Use the server's jt400 (provided) instead of bundling it

Bundle-free jt400 21.0.6, loaded from the IAS shared library
IntegratedWebServicesLibs (/QIBM/ProdData/OS400/jt400/lib/jt400Native.jar).
A JVM lets only one classloader own jt400's native library; FetchAPI's bundled
jt400-10.7 claimed it and broke webaccess login on ERPAPIS with
UnsatisfiedLinkError AS400ImplNative.swapToNative.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

.gitignore

@@ -1,3 +1,53 @@
-/src/main/webapp/WEB-INF/classes
-/lib
-/target
+# added by gitlab-sync
+.DS_Store
+Thumbs.db
+desktop.ini
+.idea/
+*.iml
+.vscode/
+*.swp
+*~
+target/
+build/
+dist/
+out/
+*.class
+.gradle/
+node_modules/
+__pycache__/
+*.pyc
+.venv/
+venv/
+coverage/
+*.log
+*.tmp
+.env
+.env.*
+!.env.example
+.claude/
+CLAUDE.md
+CLAUDE.local.md
+.mcp.json
+.remember/
+.cursor/
+.cursorrules
+.cursorignore
+.windsurf/
+.windsurfrules
+.codeium/
+.github/copilot-instructions.md
+.copilot/
+.codex/
+AGENTS.md
+.gemini/
+GEMINI.md
+.aider*
+.continue/
+.roo/
+.roomodes
+.cline/
+.clinerules
+.kiro/
+.amazonq/
+.tabnine/
+.specstory/

.vscode/settings.json

@@ -1,3 +0,0 @@
-{
-    "java.configuration.updateBuildConfiguration": "interactive"
-}

pom.xml

@@ -3,8 +3,8 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
-    <groupId>dev.alexzaw</groupId>
-    <artifactId>fetchapi</artifactId>
+    <groupId>com.minicircuits</groupId>
+    <artifactId>fetch-api</artifactId>
     <version>1.0.0</version>
     <packaging>war</packaging>
     <name>FetchAPI</name>
@@ -12,19 +12,23 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
         <poi.version>5.2.3</poi.version>
-        <jt400.version>10.7</jt400.version>
+        <!-- Same JTOpen as /QIBM/ProdData/OS400/jt400/lib/jt400Native.jar on the server. -->
+        <jt400.version>21.0.6</jt400.version>
         <json.version>20231013</json.version>
         <servlet.version>4.0.1</servlet.version>
     </properties>
 
     <dependencies>
+        <!-- Provided by IAS (ERPAPIS server.xml: classloader commonLibraryRef="IntegratedWebServicesLibs").
+             Only one classloader per JVM may own jt400's native library, so it must not be bundled. -->
         <dependency>
             <groupId>net.sf.jt400</groupId>
             <artifactId>jt400</artifactId>
             <version>${jt400.version}</version>
+            <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.poi</groupId>

src/main/java/com/minicircuits/AuthenticationService.java

@@ -0,0 +1,274 @@
+package com.minicircuits;
+
+import com.ibm.as400.access.AS400;
+import com.ibm.as400.access.AS400SecurityException;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.security.InvalidKeyException;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.Base64;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Properties;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.crypto.Mac;
+import javax.crypto.spec.SecretKeySpec;
+import javax.servlet.http.Cookie;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import org.json.JSONObject;
+
+public class AuthenticationService {
+    private static final Logger logger = Logger.getLogger(AuthenticationService.class.getName());
+    private static final String SESSION_COOKIE_NAME = "FETCHAPI_SESSION";
+    private static final int CLEANUP_THRESHOLD = 1000;
+
+    private final Properties configProps;
+    private final Properties APITokens;
+    private final ConcurrentHashMap<String, SessionInfo> sessionCache = new ConcurrentHashMap<>();
+    private final int ttlMinutes;
+
+    private static class SessionInfo {
+        final String userId;
+        final long expiresAt;
+        final String hmacSecret;
+
+        SessionInfo(String userId, long expiresAt, String hmacSecret) {
+            this.userId = userId;
+            this.expiresAt = expiresAt;
+            this.hmacSecret = hmacSecret;
+        }
+
+        boolean isExpired() {
+            return System.currentTimeMillis() > expiresAt;
+        }
+    }
+
+    public AuthenticationService(Properties configProps, Properties APITokens) {
+        this.configProps = configProps;
+        this.APITokens = APITokens;
+        int ttl;
+        try {
+            ttl = Integer.parseInt(configProps.getProperty("session.ttl.minutes", "30"));
+        } catch (NumberFormatException e) {
+            ttl = 30;
+        }
+        this.ttlMinutes = ttl;
+
+        logger.log(Level.INFO, "Session TTL configured to {0} minutes", this.ttlMinutes);
+    }
+
+    /**
+     * Backward-compatible overload for callers that do not have an HttpServletResponse.
+     * No session cookie will be issued, but existing auth logic still works.
+     */
+    public boolean authenticate(HttpServletRequest req) {
+        return authenticate(req, null);
+    }
+
+    public boolean authenticate(HttpServletRequest req, HttpServletResponse resp) {
+        // Lazy cleanup when the cache grows large
+        if (sessionCache.size() > CLEANUP_THRESHOLD) {
+            cleanupExpiredSessions();
+        }
+
+        // 1. Check for existing session cookie
+        String existingToken = getSessionCookie(req);
+        if (existingToken != null) {
+            SessionInfo cachedSession = sessionCache.get(existingToken);
+            if (cachedSession != null && !cachedSession.isExpired()) {
+                // Verify HMAC with the cached secret
+                if (verifyToken(existingToken, cachedSession.hmacSecret)) {
+                    logger.log(Level.FINE, "Verified session for user: {0}", cachedSession.userId);
+                    return true;
+                }
+            }
+            sessionCache.remove(existingToken);
+        }
+
+        // 2. Fall back to credential / API-token authentication
+        String userId = req.getParameter("userId");
+        String password = req.getParameter("password");
+        String apiToken = req.getParameter("apiToken");
+
+        if ((userId == null || password == null) && apiToken == null) {
+            logger.warning("No credentials provided");
+            return false;
+        }
+
+        boolean authenticated = userId != null && password != null
+            ? authenticateWithCredentials(userId, password)
+            : apiToken != null && validateApiToken(apiToken);
+
+        // 3. On success, create session and set cookie
+        if (authenticated && resp != null) {
+            String identity = (userId != null) ? userId : "apiToken";
+            // Use credentials as HMAC key: userId:password for credentials, raw API token for token auth
+            String hmacKey = (userId != null && password != null)
+                ? userId + ":" + password
+                : apiToken;
+            String sessionToken = createSession(identity, hmacKey);
+            resp.setHeader("Set-Cookie", SESSION_COOKIE_NAME + "=" + sessionToken
+                + "; HttpOnly; Secure; SameSite=Strict; Path=/; Max-Age=" + (ttlMinutes * 60));
+            logger.log(Level.INFO, "Session created for: {0}", identity);
+        }
+
+        return authenticated;
+    }
+
+    public boolean authenticateWithCredentials(String userId, String password) {
+        AS400 system = null;
+        try {
+            system = new AS400(
+                configProps.getProperty("db.server"),
+                userId,
+                password
+            );
+            system.validateSignon();
+            logger.log(Level.INFO, "User authenticated successfully: {0}", userId);
+            return true;
+        } catch (AS400SecurityException | IOException e) {
+            logger.log(Level.WARNING, "Authentication failed", e);
+            return false;
+        } finally {
+            if (system != null) {
+                system.disconnectAllServices();
+            }
+        }
+    }
+
+    private String getSessionCookie(HttpServletRequest req) {
+        Cookie[] cookies = req.getCookies();
+        if (cookies != null) {
+            for (Cookie cookie : cookies) {
+                if (SESSION_COOKIE_NAME.equals(cookie.getName())) {
+                    return cookie.getValue();
+                }
+            }
+        }
+        return null;
+    }
+
+    private String createSession(String userId, String hmacSecret) {
+        long createdAt = System.currentTimeMillis();
+        long expiresAt = createdAt + ((long) ttlMinutes * 60 * 1000);
+        String serverName = configProps.getProperty("db.server", "localhost");
+
+        // HMAC signs the core fields
+        String hmacData = userId + ":" + serverName + ":" + createdAt + ":" + expiresAt;
+        String signature = hmacSha256(hmacData, hmacSecret);
+
+        // Build JSON payload
+        JSONObject tokenJson = new JSONObject();
+        tokenJson.put("userId", userId);
+        tokenJson.put("serverName", serverName);
+        tokenJson.put("createdAt", createdAt);
+        tokenJson.put("expiresAt", expiresAt);
+        tokenJson.put("signature", signature);
+
+        // Base64 encode the entire JSON string
+        String token = Base64.getUrlEncoder().withoutPadding().encodeToString(
+            tokenJson.toString().getBytes(StandardCharsets.UTF_8));
+
+        sessionCache.put(token, new SessionInfo(userId, expiresAt, hmacSecret));
+        return token;
+    }
+
+    private String hmacSha256(String data, String key) {
+        try {
+            Mac mac = Mac.getInstance("HmacSHA256");
+            SecretKeySpec secretKey = new SecretKeySpec(
+                key.getBytes(StandardCharsets.UTF_8), "HmacSHA256");
+            mac.init(secretKey);
+            byte[] hmacBytes = mac.doFinal(data.getBytes(StandardCharsets.UTF_8));
+            return Base64.getUrlEncoder().withoutPadding().encodeToString(hmacBytes);
+        } catch (NoSuchAlgorithmException | InvalidKeyException e) {
+            throw new RuntimeException("Failed to compute HMAC", e);
+        }
+    }
+
+    private boolean verifyToken(String base64Token, String hmacSecret) {
+        try {
+            String decoded = new String(Base64.getUrlDecoder().decode(base64Token), StandardCharsets.UTF_8);
+            JSONObject tokenJson = new JSONObject(decoded);
+
+            String userId = tokenJson.getString("userId");
+            String serverName = tokenJson.getString("serverName");
+            long createdAt = tokenJson.getLong("createdAt");
+            long expiresAt = tokenJson.getLong("expiresAt");
+            String signature = tokenJson.getString("signature");
+
+            // Check expiry
+            if (System.currentTimeMillis() > expiresAt) return false;
+
+            // Verify server
+            String currentServer = configProps.getProperty("db.server", "localhost");
+            if (!serverName.equals(currentServer)) return false;
+
+            // Verify HMAC
+            String hmacData = userId + ":" + serverName + ":" + createdAt + ":" + expiresAt;
+            String expectedSignature = hmacSha256(hmacData, hmacSecret);
+
+            return MessageDigest.isEqual(
+                signature.getBytes(StandardCharsets.UTF_8),
+                expectedSignature.getBytes(StandardCharsets.UTF_8));
+        } catch (IllegalArgumentException | org.json.JSONException e) {
+            logger.warning("Failed to parse session token");
+            return false;
+        }
+    }
+
+    private void cleanupExpiredSessions() {
+        int removed = 0;
+        Iterator<Map.Entry<String, SessionInfo>> it = sessionCache.entrySet().iterator();
+        while (it.hasNext()) {
+            Map.Entry<String, SessionInfo> entry = it.next();
+            if (entry.getValue().isExpired()) {
+                it.remove();
+                removed++;
+            }
+        }
+        if (removed > 0) {
+            logger.log(Level.INFO, "Cleaned up {0} expired sessions, {1} remaining",
+                new Object[]{removed, sessionCache.size()});
+        }
+    }
+
+    public boolean validateApiToken(String tokenToValidate) {
+        try {
+            String decodedToken = Utils.decodeBase64(tokenToValidate);
+            String[] parts = decodedToken.split(":");
+
+            if (parts.length != 2) {
+                logger.warning("Invalid token format");
+                return false;
+            }
+
+            String identifier = parts[0];
+            String uuid = parts[1];
+            String validToken = APITokens.getProperty(identifier);
+
+            if (validToken == null || validToken.trim().isEmpty()) {
+                logger.log(Level.WARNING, "No API token configured for: {0}", identifier);
+                return false;
+            }
+
+            if (validToken.equals(uuid)) {
+                logger.log(Level.INFO, "API token validated for: {0}", identifier);
+                return true;
+            }
+
+            logger.log(Level.WARNING, "Invalid token attempted for: {0}", identifier);
+            return false;
+        } catch (IllegalArgumentException e) {
+            logger.log(Level.SEVERE, "Invalid Base64 in API token", e);
+            return false;
+        } catch (Exception e) {
+            logger.log(Level.SEVERE, "Error validating API token", e);
+            return false;
+        }
+    }
+}

src/main/java/com/minicircuits/BufferedResponseWrapper.java

@@ -0,0 +1,144 @@
+package com.minicircuits;
+
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+import javax.servlet.ServletOutputStream;
+import javax.servlet.WriteListener;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpServletResponseWrapper;
+
+public class BufferedResponseWrapper extends HttpServletResponseWrapper {
+    private final Path tempFile;
+    private final FileOutputStream fileOutputStream;
+    private final ServletOutputStream servletOutputStream;
+    private PrintWriter writer;
+
+    public BufferedResponseWrapper(HttpServletResponse response) throws IOException {
+        super(response);
+        this.tempFile = Files.createTempFile("fetchapi_", ".tmp");
+        this.fileOutputStream = new FileOutputStream(tempFile.toFile());
+        this.servletOutputStream = new ServletOutputStream() {
+            @Override
+            public void write(int b) throws IOException {
+                fileOutputStream.write(b);
+            }
+
+            @Override
+            public void write(byte[] b, int off, int len) throws IOException {
+                fileOutputStream.write(b, off, len);
+            }
+
+            @Override
+            public void flush() throws IOException {
+                fileOutputStream.flush();
+            }
+
+            @Override
+            public void close() throws IOException {
+                fileOutputStream.close();
+            }
+
+            @Override
+            public boolean isReady() {
+                return true;
+            }
+
+            @Override
+            public void setWriteListener(WriteListener writeListener) {
+                // Not used for blocking I/O
+            }
+        };
+    }
+
+    @Override
+    public ServletOutputStream getOutputStream() {
+        return servletOutputStream;
+    }
+
+    @Override
+    public PrintWriter getWriter() throws IOException {
+        if (writer == null) {
+            String charset = getCharacterEncoding();
+            writer = new PrintWriter(new OutputStreamWriter(fileOutputStream,
+                charset != null ? charset : "UTF-8"));
+        }
+        return writer;
+    }
+
+    @Override
+    public void flushBuffer() {
+        // Don't flush to the real response — we're buffering
+    }
+
+    @Override
+    public void reset() {
+        // Don't reset the real response during buffering
+    }
+
+    @Override
+    public void resetBuffer() {
+        // Don't reset during buffering
+    }
+
+    /**
+     * Flush any remaining data, then stream the temp file to the real response.
+     * Sets Content-Length. Deletes the temp file when done.
+     */
+    public void writeToResponse() throws IOException {
+        // Flush and close writer/stream
+        if (writer != null) {
+            writer.close();
+        } else {
+            fileOutputStream.close();
+        }
+
+        // Set content length from temp file size
+        long fileSize = Files.size(tempFile);
+        if (fileSize <= Integer.MAX_VALUE) {
+            getResponse().setContentLength((int) fileSize);
+        } else {
+            ((HttpServletResponse) getResponse()).setHeader("Content-Length", Long.toString(fileSize));
+        }
+
+        // Stream temp file to real response
+        HttpServletResponse realResponse = (HttpServletResponse) getResponse();
+        try (InputStream in = new BufferedInputStream(new FileInputStream(tempFile.toFile()), 32768);
+             OutputStream out = new BufferedOutputStream(realResponse.getOutputStream(), 32768)) {
+            byte[] buffer = new byte[32768];
+            int bytesRead;
+            while ((bytesRead = in.read(buffer)) != -1) {
+                out.write(buffer, 0, bytesRead);
+            }
+            out.flush();
+        } finally {
+            // Always delete the temp file
+            Files.deleteIfExists(tempFile);
+        }
+    }
+
+    /**
+     * Clean up temp file if writeToResponse was never called (e.g., on error).
+     */
+    public void cleanup() {
+        try {
+            if (fileOutputStream != null) {
+                fileOutputStream.close();
+            }
+        } catch (IOException ignored) {
+        }
+        try {
+            Files.deleteIfExists(tempFile);
+        } catch (IOException ignored) {
+        }
+    }
+}

src/main/java/com/minicircuits/CharacterEncodingFilter.java

@@ -1,12 +1,19 @@
 
-package dev.alexzaw.fetchapi;
+package com.minicircuits;
 
-import javax.servlet.*;
 import java.io.IOException;
 
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+
 public class CharacterEncodingFilter implements Filter {
     private String encoding;
 
+    @Override
     public void init(FilterConfig config) throws ServletException {
         encoding = config.getInitParameter("encoding");
         if (encoding == null) {
@@ -14,6 +21,7 @@ public class CharacterEncodingFilter implements Filter {
         }
     }
 
+    @Override
     public void doFilter(ServletRequest request, ServletResponse response,
             FilterChain chain) throws IOException, ServletException {
         request.setCharacterEncoding(encoding);
@@ -21,6 +29,7 @@ public class CharacterEncodingFilter implements Filter {
         chain.doFilter(request, response);
     }
 
+    @Override
     public void destroy() {
     }
 }

src/main/java/com/minicircuits/DatabaseManager.java

@@ -1,19 +1,26 @@
-package dev.alexzaw.fetchapi;
+package com.minicircuits;
 
-import com.ibm.as400.access.*;
 import java.beans.PropertyVetoException;
-import java.sql.*;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.ResultSetMetaData;
+import java.sql.SQLException;
+import java.sql.Statement;
 import java.util.Properties;
+import java.util.logging.Level;
 import java.util.logging.Logger;
-import static dev.alexzaw.fetchapi.Utils.*;
 
+import com.ibm.as400.access.AS400JDBCConnectionPool;
+import com.ibm.as400.access.AS400JDBCConnectionPoolDataSource;
+import com.ibm.as400.access.ConnectionPoolException;
 
 public class DatabaseManager {
     private static final String JDBC_DRIVER = "com.ibm.as400.access.AS400JDBCDriver";
     private static final Logger logger = Logger.getLogger(DatabaseManager.class.getName());
     
     private AS400JDBCConnectionPool pool;
-    private Properties configProps;
+    private final Properties configProps;
     
     public DatabaseManager(Properties configProps) throws Exception {
         this.configProps = configProps;
@@ -24,7 +31,7 @@ public class DatabaseManager {
     private void initializeConnectionPool() throws Exception {
         try {
             String username = configProps.getProperty("db.username");
-            String password = decodeBase64(configProps.getProperty("db.password"));
+            String password = Utils.decodeBase64(configProps.getProperty("db.password"));
             String serverName = configProps.getProperty("db.server", "localhost");
             String jdbcString = configProps.getProperty("db.jdbcString");
             String libraries = configProps.getProperty("db.libraries", "QGPL,QTEMP");
@@ -63,7 +70,6 @@ public class DatabaseManager {
         dataSource.setPassword(password);
         dataSource.setProperties(jdbcString);
         dataSource.setLibraries(libraries);
-        dataSource.setExtendedMetaData(true);
         return dataSource;
     }
 
@@ -74,16 +80,21 @@ public class DatabaseManager {
     
     public QueryResult executeQuery(String sqlQuery) throws SQLException, ConnectionPoolException {
         // Log connection pool status
-        logger.info("Connection pool before query - Active connections: " + pool.getActiveConnectionCount() + 
-                    ", Available connections: " + pool.getAvailableConnectionCount());
+        logger.log(Level.INFO, "Connection pool before query - Active connections: {0}, Available connections: {1}",
+                    new Object[]{pool.getActiveConnectionCount(), pool.getAvailableConnectionCount()});
         
         Connection connection = pool.getConnection();
-        logger.info("Got new connection from pool: " + connection.hashCode());
+        logger.log(Level.INFO, "Got new connection from pool: {0}", connection.hashCode());
         
         PreparedStatement statement = null;
         ResultSet resultSet = null;
         
         try {
+            // Set up library list
+            try (Statement libStmt = connection.createStatement()) {
+                libStmt.execute("Values Amulibq.Set_Library_List()");
+            }
+
             statement = connection.prepareStatement(
                 sqlQuery,
                 ResultSet.TYPE_FORWARD_ONLY,
@@ -102,15 +113,7 @@ public class DatabaseManager {
                 // Handle SELECT queries
                 resultSet = statement.getResultSet();
                 String[] headers = getQueryHeaders(resultSet);
-                ResultSetMetaData md = resultSet.getMetaData();
-                    StringBuilder sb = new StringBuilder("MD: ");
-                    for (int i = 1; i <= md.getColumnCount(); i++) {
-                        sb.append("[").append(i)
-                          .append(" label=").append(md.getColumnLabel(i))
-                          .append(" name=").append(md.getColumnName(i))
-                          .append("]");
-                    }
-                logger.info(sb.toString());
+                
                 return new QueryResult(
                     connection,
                     statement,
@@ -132,7 +135,7 @@ public class DatabaseManager {
             // Clean up resources in case of error
             if (resultSet != null) resultSet.close();
             if (statement != null) statement.close();
-            if (connection != null) connection.close();
+            connection.close();
             throw e;
         }
     }
@@ -143,17 +146,13 @@ public class DatabaseManager {
         String[] headers = new String[columnCount];
 
         for (int i = 1; i <= columnCount; i++) {
-            // Prefer alias/label if defined
             String label = rsmd.getColumnLabel(i);
-            if (label == null || label.trim().isEmpty()) {
-                label = rsmd.getColumnName(i);
-            }
-            // Title-case only for pretty outputs (HTML/Excel)
-            headers[i - 1] = toTitleCase(label.trim());
+            headers[i - 1] = (label != null && !label.trim().isEmpty())
+                ? Utils.toTitleCase(label.trim())
+                : Utils.toTitleCase(rsmd.getColumnName(i));
         }
         return headers;
     }
-
     
     public void closePool() {
         if (pool != null) {

src/main/java/com/minicircuits/FetchAPI.java

@@ -0,0 +1,193 @@
+package com.minicircuits;
+
+import com.minicircuits.formatter.*;
+import java.io.*;
+import java.util.Properties;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import java.util.regex.Pattern;
+import com.ibm.as400.access.ConnectionPoolException;
+import javax.servlet.*;
+import javax.servlet.http.*;
+
+public class FetchAPI extends HttpServlet {
+
+  private static final Logger logger = Logger.getLogger(FetchAPI.class.getName());
+
+  private static final Pattern DANGEROUS_SQL = Pattern.compile(
+      "\\b(TRUNCATE|DROP\\s+(TABLE|VIEW|INDEX|SCHEMA|FUNCTION|PROCEDURE|TRIGGER|SEQUENCE|ALIAS|TYPE|VARIABLE|PACKAGE)|DELETE\\s+FROM|ALTER|GRANT|REVOKE|RENAME)\\b",
+      Pattern.CASE_INSENSITIVE | Pattern.DOTALL
+  );
+
+  private DatabaseManager dbManager;
+  private AuthenticationService authService;
+  private Properties configProps;
+  private Properties APITokens;
+  private ErrorFormatter errorFormatter;
+  private SuccessFormatter successFormatter;
+
+  @Override
+  public void init() throws ServletException {
+    System.setProperty(
+      "org.apache.logging.log4j.simplelog.StatusLogger.level",
+      "OFF"
+    );
+    try {
+      configProps = loadProperties("/etc/misc/configs/FetchAPI.properties");
+      APITokens = loadProperties("/etc/misc/configs/APITokens.properties");
+
+      dbManager = new DatabaseManager(configProps);
+      authService = new AuthenticationService(configProps, APITokens);
+      errorFormatter = FormatterFactory.createErrorFormatter();
+      successFormatter = FormatterFactory.createSuccessFormatter();
+
+      logger.info("FetchAPI initialized successfully");
+    } catch (Exception e) {
+      logger.log(Level.SEVERE, "Failed to initialize FetchAPI", e);
+      throw new ServletException(e);
+    }
+  }
+
+  private Properties loadProperties(String propsPath) throws ServletException {
+    Properties props = new Properties();
+    try (FileInputStream in = new FileInputStream(propsPath)) {
+      props.load(in);
+      return props;
+    } catch (IOException e) {
+      throw new ServletException("Failed to load properties file", e);
+    }
+  }
+
+  @Override
+  protected void doGet(
+    HttpServletRequest request,
+    HttpServletResponse response
+  ) throws ServletException, IOException {
+    processRequest(request, response);
+  }
+
+  @Override
+  protected void doPost(
+    HttpServletRequest request,
+    HttpServletResponse response
+  ) throws ServletException, IOException {
+    processRequest(request, response);
+  }
+
+  private String getOutputFormat(HttpServletRequest request) {
+    String format = request.getParameter("format");
+    if (format == null || format.isBlank()) {
+      String acceptHeader = request.getHeader("Accept");
+      if (acceptHeader != null) {
+        if (acceptHeader.contains("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")) {
+          return "excel";
+        } else if (acceptHeader.contains("text/csv")) {
+          return "csv";
+        } else if (acceptHeader.equals("application/xml") || acceptHeader.equals("text/xml")) {
+          return "xml";
+        } else if (acceptHeader.equals("text/html")) {
+          return "html";
+        }
+      }
+      return "json"; // default
+    }
+    return format.toLowerCase();
+  }
+
+  private void processRequest(
+    HttpServletRequest request,
+    HttpServletResponse response
+  ) throws ServletException, IOException {
+    QueryResult result = null;
+    request.setCharacterEncoding("UTF-8");
+    Utils.addCorsHeaders(response);
+
+    String format = getOutputFormat(request);
+
+    if (!authService.authenticate(request, response)) {
+      errorFormatter.format(
+        response,
+        HttpServletResponse.SC_UNAUTHORIZED,
+        "Not Authorized!",
+        format
+      );
+      return;
+    }
+
+    // Works for both GET query params and POST form data
+    String sqlQuery = request.getParameter("sql");
+    if (!validateQuery(sqlQuery)) {
+      errorFormatter.format(
+        response,
+        HttpServletResponse.SC_BAD_REQUEST,
+        "Invalid or dangerous SQL query",
+        format
+      );
+      return;
+    }
+
+    try {
+      logger.log(Level.INFO, "Executing query: {0}", sqlQuery);
+      result = dbManager.executeQuery(sqlQuery);
+
+      if (result.getResultSet() == null) {
+        // Non-query operation — write directly, no temp file needed
+        successFormatter.format(response, "SQL executed successfully", format);
+        logger.info("Non-query SQL executed successfully");
+      } else {
+        // Query operation — buffer to temp file, then serve
+        BufferedResponseWrapper bufferedResponse = new BufferedResponseWrapper(response);
+        try {
+          ResponseFormatter formatter = FormatterFactory.getFormatter(format, configProps);
+          formatter.format(bufferedResponse, result);
+          bufferedResponse.writeToResponse();
+          logger.info("Query results formatted and served successfully");
+        } catch (IOException | java.sql.SQLException | RuntimeException e) {
+          bufferedResponse.cleanup();
+          throw e;
+        }
+      }
+
+    } catch (IOException | RuntimeException | java.sql.SQLException | ConnectionPoolException e) {
+      logger.log(Level.SEVERE, "Error processing request", e);
+      if (!response.isCommitted()) {
+        errorFormatter.format(
+          response,
+          HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
+          "An internal error occurred while processing your request",
+          format
+        );
+      }
+    } finally {
+      if (result != null) {
+        try {
+          result.close();
+          logger.info("Result closed");
+        } catch (Exception e) {
+          logger.log(Level.WARNING, "Error closing database resources", e);
+        }
+      }
+    }
+  }
+
+  private boolean validateQuery(String sqlQuery) {
+    if (sqlQuery == null || sqlQuery.isBlank()) {
+      return false;
+    }
+    // Strip comments and string literals so they can't hide keywords
+    String stripped = sqlQuery
+        .replaceAll("(?s)/\\*.*?\\*/", " ")   // block comments
+        .replaceAll("--[^\n]*", " ")            // line comments
+        .replaceAll("'[^']*'", "''");           // string literals
+
+    return !DANGEROUS_SQL.matcher(stripped).find();
+  }
+
+  @Override
+  public void destroy() {
+    if (dbManager != null) {
+      dbManager.closePool();
+      logger.info("Database connection pool closed.");
+    }
+  }
+}

src/main/java/com/minicircuits/QueryResult.java

@@ -1,9 +1,10 @@
-package dev.alexzaw.fetchapi;
+package com.minicircuits;
 
 import java.sql.Connection;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.ResultSetMetaData;
+import java.sql.SQLException;
 
 public class QueryResult implements AutoCloseable {
 

src/main/java/com/minicircuits/StyleManager.java

@@ -1,4 +1,4 @@
-package dev.alexzaw.fetchapi;
+package com.minicircuits;
 
 import java.sql.ResultSetMetaData;
 import java.sql.SQLException;
@@ -10,7 +10,7 @@ import org.apache.poi.ss.usermodel.*;
 
 public class StyleManager {
     private final Map<String, CellStyle> styleCache = new ConcurrentHashMap<>();
-    private Properties configProps;
+    private final Properties configProps;
     
     public StyleManager(Properties configProps) {
         this.configProps = configProps;

src/main/java/com/minicircuits/Utils.java

@@ -0,0 +1,178 @@
+package com.minicircuits;
+
+import java.nio.charset.StandardCharsets;
+import java.sql.Types;
+import java.util.Base64;
+import javax.servlet.http.HttpServletResponse;
+
+public class Utils {
+    
+    public static String toTitleCase(String input) {
+        if (input == null || input.isEmpty()) {
+            return input;
+        }
+
+        String[] words = (input.replaceAll("\\s+", " ").trim()).split("[ _]");
+        StringBuilder result = new StringBuilder();
+
+        for (String word : words) {
+            if (!word.isEmpty()) {
+                result
+                    .append(Character.toUpperCase(word.charAt(0)))
+                    .append(word.substring(1).toLowerCase())
+                    .append(" ");
+            }
+        }
+        return result.toString().trim();
+    }
+    
+    public static String rightTrim(String s) {
+        int i = s.length() - 1;
+        while (i >= 0 && Character.isWhitespace(s.charAt(i))) {
+            i--;
+        }
+        return s.substring(0, i + 1);
+    }
+    
+    public static String decodeBase64(String encodedString) {
+        return new String(
+            Base64.getDecoder().decode(encodedString),
+            StandardCharsets.UTF_8
+        );
+    }
+    
+    public static String escapeHtml(String input) {
+        if (input == null) return "";
+        return input
+            .replace("&", "&")
+            .replace("<", "&lt;")
+            .replace(">", "&gt;")
+            .replace("\"", "&quot;")
+            .replace("'", "&#39;");
+    }
+
+    public static String escapeXml(String input) {
+        if (input == null) return "";
+        return input
+            .replace("&", "&amp;")
+            .replace("<", "&lt;")
+            .replace(">", "&gt;")
+            .replace("\"", "&quot;")
+            .replace("'", "&apos;");
+    }
+    
+    public static void addCorsHeaders(HttpServletResponse resp) {
+        resp.setHeader("Access-Control-Allow-Origin", "*");
+        resp.setHeader("Access-Control-Allow-Methods", "GET, POST, OPTIONS");
+        resp.setHeader("Access-Control-Allow-Headers", "Content-Type");
+        resp.setHeader("Access-Control-Max-Age", "3600");
+        resp.setHeader("Connection", "close");
+        resp.setHeader("Keep-Alive", "timeout=0, max=0");
+        resp.setHeader("Pragma", "no-cache");
+        resp.setHeader("Cache-Control", "no-cache, no-store, must-revalidate");
+        
+        // Add a unique timestamp to prevent caching
+        resp.setHeader("X-Timestamp", String.valueOf(System.currentTimeMillis()));
+    }
+
+    public static String escapeJson(String s) {
+        if (s == null) return "";
+        StringBuilder sb = new StringBuilder(s.length());
+        for (int i = 0; i < s.length(); i++) {
+            char c = s.charAt(i);
+            switch (c) {
+                case '"':  sb.append("\\\""); break;
+                case '\\': sb.append("\\\\"); break;
+                case '\n': sb.append("\\n");  break;
+                case '\r': sb.append("\\r");  break;
+                case '\t': sb.append("\\t");  break;
+                default:
+                    if (c < 0x20) {
+                        sb.append(String.format("\\u%04x", (int) c));
+                    } else {
+                        sb.append(c);
+                    }
+            }
+        }
+        return sb.toString();
+    }
+
+    /**
+     * "CUSTOMER_NAME" -> "customerName"
+     * "Customer Name" -> "customerName"
+     * "CUSTNAME" -> "custname"
+     */
+    public static String toCamelCase(String input) {
+        if (input == null || input.isBlank())
+            return "";
+
+        String[] parts = input.split("(?<=[a-z])(?=[A-Z])|[_\\s-]+");
+        StringBuilder sb = new StringBuilder();
+
+        for (String part : parts) {
+            if (part.isEmpty())
+                continue;
+
+            String lower = part.toLowerCase();
+            if (sb.length() == 0) {
+                sb.append(lower);
+            } else {
+                sb.append(Character.toUpperCase(lower.charAt(0)))
+                        .append(lower.substring(1));
+            }
+        }
+        return sb.toString();
+    }
+
+    public static boolean isNumericType(int sqlType, String typeName) {
+        return sqlType == Types.BIGINT
+            || sqlType == Types.DECIMAL
+            || sqlType == Types.DOUBLE
+            || sqlType == Types.FLOAT
+            || sqlType == Types.INTEGER
+            || sqlType == Types.NUMERIC
+            || sqlType == Types.REAL
+            || sqlType == Types.SMALLINT
+            || sqlType == Types.TINYINT
+            || (sqlType == Types.OTHER && typeName != null && typeName.equalsIgnoreCase("DECFLOAT"));
+    }
+
+    public static boolean isStringType(int sqlType) {
+        return sqlType == Types.CHAR
+            || sqlType == Types.CLOB
+            || sqlType == Types.DATALINK
+            || sqlType == Types.LONGNVARCHAR
+            || sqlType == Types.LONGVARCHAR
+            || sqlType == Types.NCHAR
+            || sqlType == Types.NCLOB
+            || sqlType == Types.NVARCHAR
+            || sqlType == Types.VARCHAR;
+    }
+
+    public static boolean isBinaryType(int sqlType) {
+        return sqlType == Types.BINARY
+            || sqlType == Types.BIT
+            || sqlType == Types.BLOB
+            || sqlType == Types.LONGVARBINARY
+            || sqlType == Types.VARBINARY;
+    }
+
+    public static boolean isDateTimeType(int sqlType) {
+        return sqlType == Types.DATE
+            || sqlType == Types.TIME
+            || sqlType == Types.TIMESTAMP;
+    }
+
+    public static String sanitizeXmlTag(String tag) {
+        if (tag == null || tag.isEmpty()) {
+            return "_column";
+        }
+
+        char firstChar = tag.charAt(0);
+        if (!Character.isLetter(firstChar) && firstChar != '_') {
+            tag = "_" + tag;
+        }
+
+        return tag.replaceAll("[^a-zA-Z0-9_.-]", "_");
+    }
+} 

src/main/java/com/minicircuits/formatter/CsvFormatter.java

@@ -1,5 +1,7 @@
-package dev.alexzaw.fetchapi.formatter;
+package com.minicircuits.formatter;
 
+import com.minicircuits.QueryResult;
+import com.minicircuits.Utils;
 import java.io.*;
 import java.nio.charset.StandardCharsets;
 import java.sql.SQLException;
@@ -7,11 +9,9 @@ import java.util.Properties;
 import java.util.logging.Logger;
 import javax.servlet.http.HttpServletResponse;
 
-import dev.alexzaw.fetchapi.QueryResult;
-
 public class CsvFormatter implements ResponseFormatter {
     private static final Logger logger = Logger.getLogger(CsvFormatter.class.getName());
-    private Properties configProps;
+    private final Properties configProps;
     private static final char DEFAULT_DELIMITER = ',';
     private static final char DEFAULT_QUOTE = '"';
     
@@ -34,17 +34,34 @@ public class CsvFormatter implements ResponseFormatter {
             // Write header row
             writeRow(writer, result.headers, delimiter);
             
+            // Cache column types to avoid repeated metadata calls
+            int colCount = result.metadata.getColumnCount();
+            int[] columnTypes = new int[colCount];
+            String[] columnTypeNames = new String[colCount];
+            for (int i = 0; i < colCount; i++) {
+                columnTypes[i] = result.metadata.getColumnType(i + 1);
+                columnTypeNames[i] = result.metadata.getColumnTypeName(i + 1);
+            }
+
             // Write data rows
+            int rowCount = 0;
             while (result.resultSet.next()) {
-                String[] rowData = new String[result.metadata.getColumnCount()];
-                for (int i = 1; i <= result.metadata.getColumnCount(); i++) {
+                String[] rowData = new String[colCount];
+                for (int i = 1; i <= colCount; i++) {
                     String value = result.resultSet.getString(i);
-                    rowData[i-1] = value != null ? value.trim() : "";
+                    if (value == null) {
+                        rowData[i-1] = "";
+                    } else if (Utils.isNumericType(columnTypes[i-1], columnTypeNames[i-1])) {
+                        rowData[i-1] = value.trim();
+                    } else {
+                        rowData[i-1] = Utils.rightTrim(value);
+                    }
                 }
                 writeRow(writer, rowData, delimiter);
-                
+                rowCount++;
+
                 // Flush periodically
-                if (result.resultSet.getRow() % 1000 == 0) {
+                if (rowCount % 1000 == 0) {
                     writer.flush();
                 }
             }

src/main/java/com/minicircuits/formatter/ErrorFormatter.java

@@ -0,0 +1,71 @@
+package com.minicircuits.formatter;
+
+import com.minicircuits.Utils;
+import java.io.IOException;
+import java.io.PrintWriter;
+import javax.servlet.http.HttpServletResponse;
+import org.json.JSONObject;
+
+public class ErrorFormatter {
+
+    public void format(HttpServletResponse response, int status, String message, String outputFormat) throws IOException {
+        response.setStatus(status);
+
+        switch (outputFormat) {
+            case "xml":
+                formatXml(response, status, message);
+                break;
+            case "html":
+                formatHtml(response, status, message);
+                break;
+            case "csv":
+                formatCsv(response, status, message);
+                break;
+            default:
+                formatJson(response, status, message);
+                break;
+        }
+    }
+
+    private void formatJson(HttpServletResponse response, int status, String message) throws IOException {
+        response.setContentType("application/json");
+        response.setCharacterEncoding("UTF-8");
+        try (PrintWriter out = response.getWriter()) {
+            JSONObject obj = new JSONObject();
+            obj.put("success", false);
+            obj.put("status", status);
+            obj.put("error", message != null ? message : "Unknown error");
+            out.write(obj.toString());
+        }
+    }
+
+    private void formatXml(HttpServletResponse response, int status, String message) throws IOException {
+        response.setContentType("application/xml");
+        response.setCharacterEncoding("UTF-8");
+        try (PrintWriter out = response.getWriter()) {
+            out.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
+            out.println("<error>");
+            out.println("  <success>false</success>");
+            out.println("  <status>" + status + "</status>");
+            out.println("  <message>" + Utils.escapeXml(message) + "</message>");
+            out.println("</error>");
+        }
+    }
+
+    private void formatHtml(HttpServletResponse response, int status, String message) throws IOException {
+        response.setContentType("text/html");
+        response.setCharacterEncoding("UTF-8");
+        try (PrintWriter out = response.getWriter()) {
+            out.println("<h2>Error " + status + ": " + Utils.escapeHtml(message) + "</h2>");
+        }
+    }
+
+    private void formatCsv(HttpServletResponse response, int status, String message) throws IOException {
+        response.setContentType("text/csv");
+        response.setCharacterEncoding("UTF-8");
+        try (PrintWriter out = response.getWriter()) {
+            out.println("success,status,error");
+            out.println("false," + status + ",\"" + (message != null ? message.replace("\"", "\"\"") : "") + "\"");
+        }
+    }
+}

src/main/java/com/minicircuits/formatter/ExcelFormatter.java

@@ -1,5 +1,7 @@
-package dev.alexzaw.fetchapi.formatter;
+package com.minicircuits.formatter;
 
+import com.minicircuits.QueryResult;
+import com.minicircuits.StyleManager;
 import java.io.*;
 import java.sql.ResultSet;
 import java.sql.ResultSetMetaData;
@@ -11,12 +13,9 @@ import org.apache.poi.ss.usermodel.*;
 import org.apache.poi.xssf.streaming.SXSSFSheet;
 import org.apache.poi.xssf.streaming.SXSSFWorkbook;
 
-import dev.alexzaw.fetchapi.QueryResult;
-import dev.alexzaw.fetchapi.StyleManager;
-
 public class ExcelFormatter implements ResponseFormatter {
     private static final Logger logger = Logger.getLogger(ExcelFormatter.class.getName());
-    private Properties configProps;
+    private final Properties configProps;
     private StyleManager styleManager;
     
     public ExcelFormatter(Properties configProps) {

src/main/java/com/minicircuits/formatter/FormatterFactory.java

@@ -1,25 +1,31 @@
-package dev.alexzaw.fetchapi.formatter;
-
-import java.util.Properties;
-
-public class FormatterFactory {
-    
-    public static ResponseFormatter getFormatter(String format, Properties configProps) {
-        if ("excel".equalsIgnoreCase(format)) {
-            return new ExcelFormatter(configProps);
-        } else if ("html".equalsIgnoreCase(format)) {
-            return new HtmlFormatter(configProps);
-        } else if ("csv".equalsIgnoreCase(format)) {
-            return new CsvFormatter(configProps);
-        } else if ("xml".equalsIgnoreCase(format)) {
-            return new XmlFormatter(configProps);
-        } else {
-            // Default to JSON
-            return new JsonFormatter(configProps);
-        }
-    }
-    
-    public static ErrorFormatter createErrorFormatter() {
-        return new ErrorFormatter();
-    }
-} 
+package com.minicircuits.formatter;
+
+import java.util.Properties;
+
+public class FormatterFactory {
+
+    public static ResponseFormatter getFormatter(String format, Properties configProps) {
+        if ("excel".equalsIgnoreCase(format)) {
+            return new ExcelFormatter(configProps);
+        } else if ("html".equalsIgnoreCase(format)) {
+            return new HtmlFormatter(configProps);
+        } else if ("csv".equalsIgnoreCase(format)) {
+            return new CsvFormatter(configProps);
+        } else if ("xml".equalsIgnoreCase(format)) {
+            return new XmlFormatter(configProps);
+        } else if ("rest".equalsIgnoreCase(format)) {
+            return new RestFormatter(configProps);
+        } else {
+            // Default to JSON
+            return new JsonFormatter(configProps);
+        }
+    }
+
+    public static ErrorFormatter createErrorFormatter() {
+        return new ErrorFormatter();
+    }
+
+    public static SuccessFormatter createSuccessFormatter() {
+        return new SuccessFormatter();
+    }
+}

src/main/java/com/minicircuits/formatter/HtmlFormatter.java

@@ -0,0 +1,107 @@
+package com.minicircuits.formatter;
+
+import com.minicircuits.QueryResult;
+import com.minicircuits.Utils;
+import java.io.*;
+import java.sql.SQLException;
+import java.util.Properties;
+import java.util.logging.Logger;
+import javax.servlet.http.HttpServletResponse;
+
+public class HtmlFormatter implements ResponseFormatter {
+    private static final Logger logger = Logger.getLogger(HtmlFormatter.class.getName());
+    private final Properties configProps;
+    
+    public HtmlFormatter(Properties configProps) {
+        this.configProps = configProps;
+    }
+    
+    @Override
+    public void format(HttpServletResponse response, QueryResult result) throws IOException, SQLException {
+        response.setContentType("text/html");
+        response.setCharacterEncoding("UTF-8");
+
+        try (PrintWriter out = response.getWriter()) {
+            writeHtmlStyles(out);
+            out.println("<div class='table-container'>");
+            out.println("<table class='data-table'>");
+            writeHtmlHeaders(out, result.headers);
+            writeHtmlBody(out, result);
+            out.println("</tbody></table>");
+            out.println("</div>");
+        }
+    }
+
+    private void writeHtmlStyles(PrintWriter out) {
+        out.println("<style>");
+        out.println(
+            ".table-container { display: flex; justify-content: center; max-width: 98vw; margin: 20px auto; }"
+        );
+        out.println(
+            ".data-table { border-collapse: separate; border-spacing: 0; width: 100%; font-family: Arial, sans-serif; border-radius: 10px; overflow: hidden; }"
+        );
+        out.println(
+            ".data-table th { background-color: #4f4cef; color: white; font-weight: bold; padding: 12px 8px; text-align: center; }"
+        );
+        out.println(
+            ".data-table td { padding: 8px; border-bottom: 1px solid #eee; }"
+        );
+        out.println(
+            ".data-table tr:nth-child(even) { background-color: #f8f8ff; }"
+        );
+        out.println(".data-table tr:nth-child(odd) { background-color: #ffffff; }");
+        out.println(".data-table tr:hover { background-color: #f0f0ff; }");
+        out.println(".data-table tr:last-child td { border-bottom: none; }");
+        out.println(".data-table th:first-child { border-top-left-radius: 10px; }");
+        out.println(".data-table th:last-child { border-top-right-radius: 10px; }");
+        out.println(
+            ".data-table tr:last-child td:first-child { border-bottom-left-radius: 10px; }"
+        );
+        out.println(
+            ".data-table tr:last-child td:last-child { border-bottom-right-radius: 10px; }"
+        );
+        out.println("</style>");
+    }
+
+    private void writeHtmlHeaders(PrintWriter out, String[] headers) {
+        out.println("<thead><tr>");
+        for (String header : headers) {
+            out.println("<th>" + Utils.escapeHtml(header) + "</th>");
+        }
+        out.println("</tr></thead><tbody>");
+    }
+
+    private int writeHtmlBody(PrintWriter out, QueryResult result) throws SQLException {
+        int batchSize = Integer.parseInt(
+            configProps.getProperty("html.batch.size", "1000")
+        );
+        int currentBatch = 0;
+        int rowCount = 0;
+        int colCount = result.metadata.getColumnCount();
+
+        while (result.resultSet.next()) {
+            out.println("<tr>");
+            for (int i = 1; i <= colCount; i++) {
+                String value = result.resultSet.getString(i);
+                int columnType = result.metadata.getColumnType(i);
+                String columnTypeName = result.metadata.getColumnTypeName(i);
+
+                if (Utils.isNumericType(columnType, columnTypeName)) {
+                    out.print("<td style=\"text-align:right\">");
+                } else {
+                    out.print("<td>");
+                }
+                out.print(Utils.escapeHtml(value != null ? Utils.rightTrim(value) : ""));
+                out.println("</td>");
+            }
+            out.println("</tr>");
+            rowCount++;
+
+            if (++currentBatch >= batchSize) {
+                out.flush();
+                currentBatch = 0;
+            }
+        }
+        return rowCount;
+    }
+} 

src/main/java/com/minicircuits/formatter/JsonFormatter.java

@@ -0,0 +1,88 @@
+package com.minicircuits.formatter;
+
+import com.minicircuits.QueryResult;
+import com.minicircuits.Utils;
+import java.io.*;
+import java.nio.charset.StandardCharsets;
+import java.sql.SQLException;
+import java.sql.Types;
+import java.util.Properties;
+import javax.servlet.http.HttpServletResponse;
+
+public class JsonFormatter implements ResponseFormatter {
+
+    public JsonFormatter(Properties configProps) {
+        // configProps not needed by this formatter
+    }
+
+    @Override
+    public void format(HttpServletResponse response, QueryResult result) throws IOException, SQLException {
+        response.setContentType("application/json");
+        response.setCharacterEncoding("UTF-8");
+        response.setBufferSize(8192);
+
+        try (BufferedOutputStream bos = new BufferedOutputStream(response.getOutputStream(), 8192);
+             OutputStreamWriter osw = new OutputStreamWriter(bos, StandardCharsets.UTF_8)) {
+
+            int colCount = result.metadata.getColumnCount();
+            osw.write("[");
+            boolean firstRow = true;
+            int rowCount = 0;
+
+            while (result.resultSet.next()) {
+                if (!firstRow) {
+                    osw.write(",");
+                }
+                firstRow = false;
+
+                osw.write("{");
+                for (int i = 1; i <= colCount; i++) {
+                    if (i > 1) osw.write(",");
+                    String columnName = result.metadata.getColumnName(i);
+                    String value = result.resultSet.getString(i);
+
+                    int columnType = result.metadata.getColumnType(i);
+                    String columnTypeName = result.metadata.getColumnTypeName(i);
+
+                    osw.write("\"");
+                    osw.write(Utils.escapeJson(columnName));
+                    osw.write("\":");
+                    if (value == null) {
+                        osw.write("null");
+                    } else if (Utils.isNumericType(columnType, columnTypeName)) {
+                        try {
+                            String trimmed = value.trim();
+                            if (columnType == Types.FLOAT
+                                    || columnType == Types.DOUBLE
+                                    || columnType == Types.REAL
+                                    || result.metadata.getScale(i) > 0) {
+                                osw.write(String.valueOf(Double.parseDouble(trimmed)));
+                            } else {
+                                osw.write(String.valueOf(Long.parseLong(trimmed)));
+                            }
+                        } catch (NumberFormatException e) {
+                            osw.write("\"");
+                            osw.write(Utils.escapeJson(Utils.rightTrim(value)));
+                            osw.write("\"");
+                        }
+                    } else if (columnType == Types.BOOLEAN) {
+                        osw.write(String.valueOf(result.resultSet.getBoolean(i)));
+                    } else {
+                        osw.write("\"");
+                        osw.write(Utils.escapeJson(Utils.rightTrim(value)));
+                        osw.write("\"");
+                    }
+                }
+                osw.write("}");
+                rowCount++;
+
+                if (rowCount % 1000 == 0) {
+                    osw.flush();
+                }
+            }
+
+            osw.write("]");
+            osw.flush();
+        }
+    }
+}

src/main/java/com/minicircuits/formatter/ResponseFormatter.java

@@ -1,11 +1,10 @@
-package dev.alexzaw.fetchapi.formatter;
+package com.minicircuits.formatter;
 
+import com.minicircuits.QueryResult;
 import java.io.IOException;
 import java.sql.SQLException;
 import javax.servlet.http.HttpServletResponse;
 
-import dev.alexzaw.fetchapi.QueryResult;
-
 public interface ResponseFormatter {
     void format(HttpServletResponse response, QueryResult result) throws IOException, SQLException;
 } 

src/main/java/com/minicircuits/formatter/RestFormatter.java

@@ -0,0 +1,156 @@
+package com.minicircuits.formatter;
+
+import com.minicircuits.QueryResult;
+import com.minicircuits.Utils;
+import java.io.*;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.sql.SQLException;
+import java.sql.Timestamp;
+import java.sql.Types;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+import javax.servlet.http.HttpServletResponse;
+
+public class RestFormatter implements ResponseFormatter {
+
+    public RestFormatter(Properties configProps) {
+        // configProps not needed by this formatter
+    }
+
+    @Override
+    public void format(HttpServletResponse response, QueryResult result) throws IOException, SQLException {
+        response.setContentType("application/json");
+        response.setCharacterEncoding("UTF-8");
+        response.setBufferSize(8192);
+
+        // Phase 1: Write data array to a temp file
+        Path dataTempFile = Files.createTempFile("fetchapi_data_", ".tmp");
+        int rowCount = 0;
+
+        try {
+            try (BufferedOutputStream dataBos = new BufferedOutputStream(new FileOutputStream(dataTempFile.toFile()), 8192);
+                 OutputStreamWriter dataWriter = new OutputStreamWriter(dataBos, StandardCharsets.UTF_8)) {
+
+                int colCount = result.metadata.getColumnCount();
+                String[] keys = resolveColumnKeys(result);
+
+                dataWriter.write("[");
+
+                while (result.resultSet.next()) {
+                    if (rowCount > 0) {
+                        dataWriter.write(",");
+                    }
+
+                    dataWriter.write("{");
+                    for (int i = 1; i <= colCount; i++) {
+                        if (i > 1) dataWriter.write(",");
+
+                        String value = result.resultSet.getString(i);
+                        int columnType = result.metadata.getColumnType(i);
+                        String columnTypeName = result.metadata.getColumnTypeName(i);
+
+                        dataWriter.write("\"");
+                        dataWriter.write(Utils.escapeJson(keys[i - 1]));
+                        dataWriter.write("\":");
+
+                        if (value == null) {
+                            dataWriter.write("null");
+                        } else if (Utils.isNumericType(columnType, columnTypeName)) {
+                            try {
+                                String trimmed = value.trim();
+                                if (columnType == Types.FLOAT
+                                        || columnType == Types.DOUBLE
+                                        || columnType == Types.REAL
+                                        || result.metadata.getScale(i) > 0) {
+                                    dataWriter.write(String.valueOf(Double.parseDouble(trimmed)));
+                                } else {
+                                    dataWriter.write(String.valueOf(Long.parseLong(trimmed)));
+                                }
+                            } catch (NumberFormatException e) {
+                                dataWriter.write("\"");
+                                dataWriter.write(Utils.escapeJson(Utils.rightTrim(value)));
+                                dataWriter.write("\"");
+                            }
+                        } else if (columnType == Types.BOOLEAN) {
+                            dataWriter.write(String.valueOf(result.resultSet.getBoolean(i)));
+                        } else {
+                            dataWriter.write("\"");
+                            dataWriter.write(Utils.escapeJson(Utils.rightTrim(value)));
+                            dataWriter.write("\"");
+                        }
+                    }
+                    dataWriter.write("}");
+                    rowCount++;
+                }
+
+                dataWriter.write("]");
+            }
+
+            // Phase 2: Write final envelope with records BEFORE data
+            try (BufferedOutputStream bos = new BufferedOutputStream(response.getOutputStream(), 8192);
+                 OutputStreamWriter osw = new OutputStreamWriter(bos, StandardCharsets.UTF_8)) {
+
+                osw.write("{\"success\":true,\"currentTimestamp\":\"");
+                osw.write(new Timestamp(System.currentTimeMillis()).toString());
+                osw.write("\",\"records\":");
+                osw.write(Integer.toString(rowCount));
+                osw.write(",\"data\":");
+                osw.flush();
+
+                // Copy data temp file to response
+                try (InputStream dataIn = new BufferedInputStream(new FileInputStream(dataTempFile.toFile()), 8192)) {
+                    byte[] buffer = new byte[8192];
+                    int bytesRead;
+                    while ((bytesRead = dataIn.read(buffer)) != -1) {
+                        bos.write(buffer, 0, bytesRead);
+                    }
+                }
+
+                // Close the envelope - write directly to bos since we bypassed osw for the copy
+                bos.write("}".getBytes(StandardCharsets.UTF_8));
+                bos.flush();
+            }
+
+        } finally {
+            Files.deleteIfExists(dataTempFile);
+        }
+    }
+
+    /**
+     * Resolves all column keys, camelCasing them and appending a numeric
+     * suffix to duplicates: customerName, customerName2, customerName3, etc.
+     */
+    private String[] resolveColumnKeys(QueryResult result) throws SQLException {
+        int colCount = result.metadata.getColumnCount();
+        String[] keys = new String[colCount];
+        Map<String, Integer> seen = new HashMap<>();
+
+        for (int i = 1; i <= colCount; i++) {
+            String columnName = result.metadata.getColumnName(i);
+            String columnLabel = result.metadata.getColumnLabel(i);
+
+            String key = resolveColumnKey(columnName, columnLabel);
+            int count = seen.getOrDefault(key, 0) + 1;
+            seen.put(key, count);
+
+            keys[i - 1] = count == 1 ? key : key + count;
+        }
+        return keys;
+    }
+
+    /**
+     * If column label exists camelCase it, else column name
+     */
+    private String resolveColumnKey(String columnName, String columnLabel) {
+        String source;
+        if (columnLabel != null && !columnLabel.trim().isEmpty()) {
+            source = columnLabel.trim();
+        } else {
+            source = columnName.trim();
+        }
+        return Utils.toCamelCase(source);
+    }
+}

src/main/java/com/minicircuits/formatter/SuccessFormatter.java

@@ -0,0 +1,67 @@
+package com.minicircuits.formatter;
+
+import com.minicircuits.Utils;
+import java.io.IOException;
+import java.io.PrintWriter;
+import javax.servlet.http.HttpServletResponse;
+import org.json.JSONObject;
+
+public class SuccessFormatter {
+
+    public void format(HttpServletResponse response, String message, String outputFormat) throws IOException {
+        switch (outputFormat) {
+            case "xml":
+                formatXml(response, message);
+                break;
+            case "html":
+                formatHtml(response, message);
+                break;
+            case "csv":
+                formatCsv(response, message);
+                break;
+            default:
+                formatJson(response, message);
+                break;
+        }
+    }
+
+    private void formatJson(HttpServletResponse response, String message) throws IOException {
+        response.setContentType("application/json");
+        response.setCharacterEncoding("UTF-8");
+        try (PrintWriter out = response.getWriter()) {
+            JSONObject obj = new JSONObject();
+            obj.put("success", true);
+            obj.put("message", message != null ? message : "SQL executed successfully");
+            out.write(obj.toString());
+        }
+    }
+
+    private void formatXml(HttpServletResponse response, String message) throws IOException {
+        response.setContentType("application/xml");
+        response.setCharacterEncoding("UTF-8");
+        try (PrintWriter out = response.getWriter()) {
+            out.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
+            out.println("<result>");
+            out.println("  <success>true</success>");
+            out.println("  <message>" + Utils.escapeXml(message) + "</message>");
+            out.println("</result>");
+        }
+    }
+
+    private void formatHtml(HttpServletResponse response, String message) throws IOException {
+        response.setContentType("text/html");
+        response.setCharacterEncoding("UTF-8");
+        try (PrintWriter out = response.getWriter()) {
+            out.println("<h2>Success: " + Utils.escapeHtml(message) + "</h2>");
+        }
+    }
+
+    private void formatCsv(HttpServletResponse response, String message) throws IOException {
+        response.setContentType("text/csv");
+        response.setCharacterEncoding("UTF-8");
+        try (PrintWriter out = response.getWriter()) {
+            out.println("success,message");
+            out.println("true,\"" + (message != null ? message.replace("\"", "\"\"") : "") + "\"");
+        }
+    }
+}

src/main/java/com/minicircuits/formatter/XmlFormatter.java

@@ -1,90 +1,86 @@
-package dev.alexzaw.fetchapi.formatter;
-
-import java.io.*;
-import java.sql.SQLException;
-import java.util.Properties;
-import java.util.logging.Logger;
-import javax.servlet.http.HttpServletResponse;
-import javax.xml.stream.XMLOutputFactory;
-import javax.xml.stream.XMLStreamException;
-import javax.xml.stream.XMLStreamWriter;
-
-import dev.alexzaw.fetchapi.QueryResult;
-
-public class XmlFormatter implements ResponseFormatter {
-    private static final Logger logger = Logger.getLogger(XmlFormatter.class.getName());
-    private Properties configProps;
-    
-    public XmlFormatter(Properties configProps) {
-        this.configProps = configProps;
-    }
-    
-    @Override
-    public void format(HttpServletResponse response, QueryResult result) throws IOException, SQLException {
-        response.setContentType("application/xml");
-        response.setCharacterEncoding("UTF-8");
-        response.setBufferSize(8192);
-        
-        try {
-            // Create XML stream writer
-            XMLOutputFactory factory = XMLOutputFactory.newInstance();
-            XMLStreamWriter writer = factory.createXMLStreamWriter(
-                response.getOutputStream(), "UTF-8");
-            
-            // Start document
-            writer.writeStartDocument("UTF-8", "1.0");
-            writer.writeStartElement("data");
-            
-            // Write data rows
-            int rowCount = 0;
-            while (result.resultSet.next()) {
-                writer.writeStartElement("row");
-                
-                for (int i = 1; i <= result.metadata.getColumnCount(); i++) {
-                    String columnName = sanitizeXmlTag(result.metadata.getColumnName(i));
-                    String value = result.resultSet.getString(i);
-                    
-                    writer.writeStartElement(columnName);
-                    if (value != null) {
-                        writer.writeCharacters(value.trim());
-                    }
-                    writer.writeEndElement(); // column
-                }
-                
-                writer.writeEndElement(); // row
-                
-                // Flush periodically
-                if (++rowCount % 1000 == 0) {
-                    writer.flush();
-                }
-            }
-            
-            // End document
-            writer.writeEndElement(); // data
-            writer.writeEndDocument();
-            writer.flush();
-            writer.close();
-            
-        } catch (XMLStreamException e) {
-            logger.severe("Error generating XML: " + e.getMessage());
-            throw new IOException("Error generating XML", e);
-        }
-    }
-    
-    private String sanitizeXmlTag(String tag) {
-        // XML element names must start with a letter or underscore and can contain
-        // letters, digits, hyphens, underscores, and periods
-        if (tag == null || tag.isEmpty()) {
-            return "_column";
-        }
-        
-        // Ensure first character is valid
-        char firstChar = tag.charAt(0);
-        if (!Character.isLetter(firstChar) && firstChar != '_') {
-            tag = "_" + tag;
-        }
-        
-        // Replace invalid characters
-        return tag.replaceAll("[^a-zA-Z0-9_.-]", "_");
-    }
-} 
+package com.minicircuits.formatter;
+
+import com.minicircuits.QueryResult;
+import com.minicircuits.Utils;
+import java.io.*;
+import java.sql.SQLException;
+import java.util.Properties;
+import java.util.logging.Logger;
+import javax.servlet.http.HttpServletResponse;
+import javax.xml.stream.XMLOutputFactory;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamWriter;
+
+public class XmlFormatter implements ResponseFormatter {
+    private static final Logger logger = Logger.getLogger(XmlFormatter.class.getName());
+
+    public XmlFormatter(Properties configProps) {
+        // configProps not needed by this formatter
+    }
+
+    @Override
+    public void format(HttpServletResponse response, QueryResult result) throws IOException, SQLException {
+        response.setContentType("application/xml");
+        response.setCharacterEncoding("UTF-8");
+        response.setBufferSize(8192);
+
+        try {
+            // Create XML stream writer
+            XMLOutputFactory factory = XMLOutputFactory.newInstance();
+            XMLStreamWriter writer = factory.createXMLStreamWriter(
+                response.getOutputStream(), "UTF-8");
+
+            // Start document
+            writer.writeStartDocument("UTF-8", "1.0");
+            writer.writeStartElement("data");
+
+            // Write data rows
+            int rowCount = 0;
+            while (result.resultSet.next()) {
+                writer.writeStartElement("row");
+
+                for (int i = 1; i <= result.metadata.getColumnCount(); i++) {
+                    String columnName = Utils.sanitizeXmlTag(result.metadata.getColumnName(i));
+                    String value = result.resultSet.getString(i);
+
+                    int columnType = result.metadata.getColumnType(i);
+                    String columnTypeName = result.metadata.getColumnTypeName(i);
+
+                    writer.writeStartElement(columnName);
+                    if (Utils.isNumericType(columnType, columnTypeName)) {
+                        writer.writeAttribute("type", "numeric");
+                    } else if (Utils.isDateTimeType(columnType)) {
+                        writer.writeAttribute("type", "datetime");
+                    } else if (Utils.isBinaryType(columnType)) {
+                        writer.writeAttribute("type", "binary");
+                    } else if (columnType == java.sql.Types.BOOLEAN) {
+                        writer.writeAttribute("type", "boolean");
+                    } else {
+                        writer.writeAttribute("type", "string");
+                    }
+                    if (value != null) {
+                        writer.writeCharacters(Utils.rightTrim(value));
+                    }
+                    writer.writeEndElement(); // column
+                }
+
+                writer.writeEndElement(); // row
+
+                // Flush periodically
+                if (++rowCount % 1000 == 0) {
+                    writer.flush();
+                }
+            }
+
+            // End document
+            writer.writeEndElement(); // data
+            writer.writeEndDocument();
+            writer.flush();
+            writer.close();
+
+        } catch (XMLStreamException e) {
+            logger.severe("Error generating XML: " + e.getMessage());
+            throw new IOException("Error generating XML", e);
+        }
+    }
+}

src/main/java/dev/alexzaw/fetchapi/AuthenticationService.java

@@ -1,88 +0,0 @@
-package dev.alexzaw.fetchapi;
-
-import com.ibm.as400.access.AS400;
-import java.util.Properties;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-import javax.servlet.http.HttpServletRequest;
-
-public class AuthenticationService {
-    private static final Logger logger = Logger.getLogger(AuthenticationService.class.getName());
-    private Properties configProps;
-    private Properties APITokens;
-    
-    public AuthenticationService(Properties configProps, Properties APITokens) {
-        this.configProps = configProps;
-        this.APITokens = APITokens;
-    }
-    
-    public boolean authenticate(HttpServletRequest req) {
-        String userId = req.getParameter("userId");
-        String password = req.getParameter("password");
-        String apiToken = req.getParameter("apiToken");
-
-        if ((userId == null || password == null) && apiToken == null) {
-            logger.warning("No credentials provided");
-            return false;
-        }
-
-         return userId != null && password != null
-                ? authenticateWithCredentials(userId, password)
-                : apiToken != null && validateApiToken(apiToken);
-       
-       
-    }
-
-    public boolean authenticateWithCredentials(String userId, String password) {
-        AS400 system = null;
-        try {
-            system = new AS400(
-                configProps.getProperty("db.server"),
-                userId,
-                password
-            );
-            system.validateSignon();
-            logger.info("User authenticated successfully: " + userId);
-            return true;
-        } catch (Exception e) {
-            logger.log(Level.WARNING, "Authentication failed", e);
-            return false;
-        } finally {
-            if (system != null) {
-                system.disconnectAllServices();
-            }
-        }
-    }
-
-    public boolean validateApiToken(String tokenToValidate) {
-        try {
-            String decodedToken = Utils.decodeBase64(tokenToValidate);
-            String[] parts = decodedToken.split(":");
-
-            if (parts.length != 2) {
-                logger.warning("Invalid token format");
-                return false;
-            }
-
-            String identifier = parts[0];
-            String uuid = parts[1];
-            String validToken = APITokens.getProperty(identifier);
-
-            if (validToken == null || validToken.trim().isEmpty()) {
-                logger.warning("No API token configured for: " + identifier);
-                return false;
-            }
-
-            if (validToken.equals(uuid)) {
-                logger.info("API token validated for: " + identifier);
-                return true;
-            }
-
-            logger.warning("Invalid token attempted for: " + identifier);
-            return false;
-        } catch (Exception e) {
-            logger.log(Level.SEVERE, "Error validating API token", e);
-            return false;
-        }
-    }
-} 

src/main/java/dev/alexzaw/fetchapi/FetchAPIServlet.java

@@ -1,163 +0,0 @@
-package dev.alexzaw.fetchapi;
-
-import java.io.*;
-import java.util.Properties;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-import javax.servlet.*;
-import javax.servlet.http.*;
-
-public class FetchAPIServlet extends HttpServlet {
-
-  private static final Logger logger = Logger.getLogger(FetchAPIServlet.class.getName());
-  
-  private DatabaseManager dbManager;
-  private OutputFormatter outputFormatter;
-  private AuthenticationService authService;
-  private Properties configProps;
-  private Properties APITokens;
-
-  @Override
-  public void init() throws ServletException {
-    System.setProperty(
-      "org.apache.logging.log4j.simplelog.StatusLogger.level",
-      "OFF"
-    );
-    try {
-      configProps = loadProperties("/etc/misc/configs/FetchAPI.properties");
-      APITokens = loadProperties("/etc/misc/configs/APITokens.properties");
-      
-      dbManager = new DatabaseManager(configProps);
-      outputFormatter = new OutputFormatter(configProps);
-      authService = new AuthenticationService(configProps, APITokens);
-      
-      logger.info("FetchAPI initialized successfully");
-    } catch (Exception e) {
-      logger.log(Level.SEVERE, "Failed to initialize FetchAPI", e);
-      throw new ServletException(e);
-    }
-  }
-
-  private Properties loadProperties(String propsPath) throws ServletException {
-    Properties props = new Properties();
-    try (FileInputStream in = new FileInputStream(propsPath)) {
-      props.load(in);
-      return props;
-    } catch (IOException e) {
-      throw new ServletException("Failed to load properties file", e);
-    }
-  }
-
-  @Override
-protected void doGet(
-  HttpServletRequest request,
-  HttpServletResponse response
-) throws ServletException, IOException {
-  processRequest(request, response, "GET");
-}
-
-@Override
-protected void doPost(
-  HttpServletRequest request,
-  HttpServletResponse response
-) throws ServletException, IOException {
-  processRequest(request, response, "POST");
-}
-
-private void processRequest(
-  HttpServletRequest request, 
-  HttpServletResponse response,
-  String method
-) throws ServletException, IOException {
-  QueryResult result = null;
-  request.setCharacterEncoding("UTF-8");
-  Utils.addCorsHeaders(response);
-
- 
-  
-  if (!authService.authenticate(request)) {
-    outputFormatter.sendErrorResponse(
-      response,
-      HttpServletResponse.SC_UNAUTHORIZED,
-      "Not Authorized!"
-    );
-    return;
-  }
-
- // Works for both GET query params and POST form data
-  String format = request.getParameter("format");
-  String sqlQuery = request.getParameter("sql");
-  if (!validateQuery(sqlQuery)) {
-    outputFormatter.sendErrorResponse(
-      response,
-      HttpServletResponse.SC_BAD_REQUEST,
-      "Invalid or dangerous SQL query"
-    );
-    return;
-  }
-
-  try {
-    logger.info("Executing query: " + sqlQuery);
-    result = dbManager.executeQuery(sqlQuery);
-
-    if (result.getResultSet() == null) {
-      // Non-query operation completed successfully
-      response.setContentType("application/json");
-      response.getWriter().write("{\"success\":true,\"message\":\"SQL executed successfully\"}");
-      logger.info("Non-query SQL executed successfully");
-    } else {
-      // Query operation - format the results
-      if ("excel".equalsIgnoreCase(format)) {
-        outputFormatter.outputExcel(response, result);
-      } else if ("html".equalsIgnoreCase(format)) {
-        outputFormatter.outputHtml(response, result);
-      } else if ("csv".equalsIgnoreCase(format)) {
-        outputFormatter.outputCsv(response, result);
-      } else if ("xml".equalsIgnoreCase(format)) {
-        outputFormatter.outputXml(response, result);
-      } else {
-        // Default to JSON
-        outputFormatter.outputJson(response, result);
-      }
-      logger.info("Query results formatted successfully");
-    }
-
-  } catch (Exception e) {
-    logger.log(Level.SEVERE, "Error processing request", e);
-    outputFormatter.sendErrorResponse(
-      response,
-      HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
-      e.getMessage()
-    );
-  } finally {
-    if (result != null) {
-      try {
-        result.close();
-        logger.info("Result closed");
-      } catch (Exception e) {
-        logger.log(Level.WARNING, "Error closing database resources", e);
-      }
-    }
-  }
-} 
-  private boolean validateQuery(String sqlQuery) {
-    if (sqlQuery == null || sqlQuery.trim().isEmpty()) {
-      return false;
-    }
-    String lowercaseQuery = sqlQuery.toLowerCase();
-    return !(
-      lowercaseQuery.contains("truncate") ||
-      lowercaseQuery.contains("drop") ||
-      lowercaseQuery.contains("delete from")
-    );
-  }
-
-  @Override
-  public void destroy() {
-    if (dbManager != null) {
-      dbManager.closePool();
-      logger.info("Database connection pool closed.");
-    }
-  }
-}
-

src/main/java/dev/alexzaw/fetchapi/OutputFormatter.java

@@ -1,47 +0,0 @@
-package dev.alexzaw.fetchapi;
-
-import java.io.*;
-import java.sql.SQLException;
-import java.util.Properties;
-import javax.servlet.http.HttpServletResponse;
-
-import dev.alexzaw.fetchapi.formatter.*;
-
-public class OutputFormatter {
-    private Properties configProps;
-    private ErrorFormatter errorFormatter;
-    
-    public OutputFormatter(Properties configProps) {
-        this.configProps = configProps;
-        this.errorFormatter = FormatterFactory.createErrorFormatter();
-    }
-    
-    public void outputJson(HttpServletResponse response, QueryResult result) throws IOException, SQLException {
-        ResponseFormatter formatter = FormatterFactory.getFormatter("json", configProps);
-        formatter.format(response, result);
-    }
-    
-    public void outputExcel(HttpServletResponse response, QueryResult result) throws IOException, SQLException {
-        ResponseFormatter formatter = FormatterFactory.getFormatter("excel", configProps);
-        formatter.format(response, result);
-    }
-    
-    public void outputHtml(HttpServletResponse response, QueryResult result) throws IOException, SQLException {
-        ResponseFormatter formatter = FormatterFactory.getFormatter("html", configProps);
-        formatter.format(response, result);
-    }
-    
-    public void outputCsv(HttpServletResponse response, QueryResult result) throws IOException, SQLException {
-        ResponseFormatter formatter = FormatterFactory.getFormatter("csv", configProps);
-        formatter.format(response, result);
-    }
-    
-    public void outputXml(HttpServletResponse response, QueryResult result) throws IOException, SQLException {
-        ResponseFormatter formatter = FormatterFactory.getFormatter("xml", configProps);
-        formatter.format(response, result);
-    }
-    
-    public void sendErrorResponse(HttpServletResponse response, int status, String message) throws IOException {
-        errorFormatter.sendErrorResponse(response, status, message);
-    }
-} 

src/main/java/dev/alexzaw/fetchapi/Utils.java

@@ -1,83 +0,0 @@
-package dev.alexzaw.fetchapi;
-
-import java.nio.charset.StandardCharsets;
-import java.util.Base64;
-import javax.servlet.http.HttpServletResponse;
-
-public class Utils {
-    
-    public static String toTitleCase(String input) {
-        if (input == null || input.isEmpty()) return input;
-
-        // 1) lower-case everything
-        String normalized = input.toLowerCase();
-
-        // 2) replace whitespace, '+' , '_' , '-' with a single space
-        normalized = normalized.replaceAll("[\\s+_-]", " ");
-
-        // 3) split on one-or-more spaces (collapsing runs)
-        String[] parts = normalized.trim().split("\\s+");
-
-        // 4) capitalize first char of each fragment; 5) join with single spaces
-        StringBuilder out = new StringBuilder();
-        for (int i = 0; i < parts.length; i++) {
-            String w = parts[i];
-            if (!w.isEmpty()) {
-                out.append(Character.toUpperCase(w.charAt(0)));
-                if (w.length() > 1) out.append(w.substring(1)); // already lower-case
-                if (i < parts.length - 1) out.append(' ');
-            }
-        }
-        // 6) trim (already trimmed by construction)
-        return out.toString();
-    }
-
-    
-    public static String rightTrim(String s) {
-        int i = s.length() - 1;
-        while (i >= 0 && Character.isWhitespace(s.charAt(i))) {
-            i--;
-        }
-        return s.substring(0, i + 1);
-    }
-    
-    public static String decodeBase64(String encodedString) {
-        return new String(
-            Base64.getDecoder().decode(encodedString),
-            StandardCharsets.UTF_8
-        );
-    }
-    
-    public static String escapeHtml(String input) {
-        if (input == null) return "";
-        return input
-            .replace("&", "&amp;")
-            .replace("<", "&lt;")
-            .replace(">", "&gt;")
-            .replace("\"", "&quot;")
-            .replace("'", "&#39;");
-    }
-    
-    public static String escapeJson(String str) {
-    if (str == null) return "";
-    return str
-        .replace("\\", "\\\\")
-        .replace("\"", "\\\"")
-        .replace("\n", "\\n")
-        .replace("\r", "\\r");
-    }
-
-    public static void addCorsHeaders(HttpServletResponse resp) {
-        resp.setHeader("Access-Control-Allow-Origin", "*");
-        resp.setHeader("Access-Control-Allow-Methods", "GET, POST, OPTIONS");
-        resp.setHeader("Access-Control-Allow-Headers", "Content-Type");
-        resp.setHeader("Access-Control-Max-Age", "3600");
-        resp.setHeader("Connection", "close");
-        resp.setHeader("Keep-Alive", "timeout=0, max=0");
-        resp.setHeader("Pragma", "no-cache");
-        resp.setHeader("Cache-Control", "no-cache, no-store, must-revalidate");
-        
-        // Add a unique timestamp to prevent caching
-        resp.setHeader("X-Timestamp", String.valueOf(System.currentTimeMillis()));
-    }
-} 

src/main/java/dev/alexzaw/fetchapi/formatter/ErrorFormatter.java

@@ -1,27 +0,0 @@
-package dev.alexzaw.fetchapi.formatter;
-
-import java.io.IOException;
-import java.io.PrintWriter;
-import javax.servlet.http.HttpServletResponse;
-
-import static dev.alexzaw.fetchapi.Utils.*;
-
-public class ErrorFormatter {
-    
-    public void sendErrorResponse(HttpServletResponse response, int status, String message) throws IOException {
-        response.setStatus(status);
-        response.setContentType("application/json");
-        response.setCharacterEncoding("UTF-8");
-        
-        String json = String.format(
-            "{ \"error\": { \"status\": %d, \"message\": \"%s\" } }",
-            status,
-            escapeJson(message)
-        );
-        
-        try (PrintWriter out = response.getWriter()) {
-            out.print(json);
-        }
-    }
-
-}

src/main/java/dev/alexzaw/fetchapi/formatter/HtmlFormatter.java

@@ -1,178 +0,0 @@
-package dev.alexzaw.fetchapi.formatter;
-
-import java.io.*;
-import java.sql.SQLException;
-import java.util.Properties;
-import java.util.logging.Logger;
-import javax.servlet.http.HttpServletResponse;
-
-import dev.alexzaw.fetchapi.QueryResult;
-import dev.alexzaw.fetchapi.Utils;
-
-public class HtmlFormatter implements ResponseFormatter {
-    private static final Logger logger = Logger.getLogger(HtmlFormatter.class.getName());
-    private Properties configProps;
-    
-    public HtmlFormatter(Properties configProps) {
-        this.configProps = configProps;
-    }
-    
-    @Override
-    public void format(HttpServletResponse response, QueryResult result) throws IOException, SQLException {
-        response.setContentType("text/html");
-        response.setCharacterEncoding("UTF-8");
-
-        try (PrintWriter out = response.getWriter()) {
-            // Start HTML document
-            out.println("<!DOCTYPE html>");
-            out.println("<html lang=\"en\">");
-            out.println("<head>");
-            out.println("  <meta charset=\"UTF-8\">");
-            out.println("  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">");
-            out.println("  <title>Query Results</title>");
-            writeHtmlStyles(out);
-            out.println("</head>");
-            out.println("<body>");
-            
-            // Container that mimics the design in the screenshot
-            out.println("  <div class=\"container\">");
-            out.println("    <div class=\"table-wrapper\">");
-            out.println("      <table class=\"data-table\">");
-            
-            // Write table headers and body
-            writeHtmlHeaders(out, result.headers);
-            writeHtmlBody(out, result);
-            
-            out.println("      </table>");
-            out.println("    </div>");
-            out.println("  </div>");
-            out.println("</body>");
-            out.println("</html>");
-        }
-    }
-
-    private void writeHtmlStyles(PrintWriter out) {
-        out.println("  <style>");
-        // Base styles
-        out.println("    body {");
-        out.println("      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;");
-        out.println("      background-color: #f9fafb;");
-        out.println("      margin: 0;");
-        out.println("      padding: 0;");
-        out.println("      font-size: 14px;");
-        out.println("      color: #333;");
-        out.println("    }");
-        
-        // Container with no padding to maximize space for many columns
-        out.println("    .container {");
-        out.println("      width: 100%;");
-        out.println("      max-width: 100%;");
-        out.println("      margin: 0;");
-        out.println("      padding: 0;");
-        out.println("    }");
-        
-        // Table wrapper with enhanced horizontal scrolling for many columns
-        out.println("    .table-wrapper {");
-        out.println("      background: white;");
-        out.println("      width: 100%;");
-        out.println("      overflow-x: auto;");
-        out.println("      white-space: nowrap;");
-        out.println("    }");
-        
-        // Data table optimized for many columns
-        out.println("    .data-table {");
-        out.println("      width: 100%;");
-        out.println("      min-width: max-content;"); // Ensures table expands to fit all columns
-        out.println("      border-collapse: collapse;");
-        out.println("      border-spacing: 0;");
-        out.println("      table-layout: auto;");
-        out.println("    }");
-        
-        // Header cells optimized for many columns
-        out.println("    .data-table th {");
-        out.println("      background-color: #f9fafb;");
-        out.println("      color: #4b5563;");
-        out.println("      font-weight: 600;");
-        out.println("      text-align: left;");
-        out.println("      padding: 8px 10px;"); // Reduced padding
-        out.println("      border: 1px solid #e5e7eb;");
-        out.println("      white-space: normal;");
-        out.println("      line-height: 1.2;");
-        out.println("      font-size: 13px;"); // Slightly smaller font
-        out.println("      position: sticky;");
-        out.println("      top: 0;");
-        out.println("      z-index: 10;"); // Ensure headers stay on top
-        out.println("      min-width: 80px;"); // Minimum column width
-        out.println("    }");
-        
-        // Table cells optimized for many columns
-        out.println("    .data-table td {");
-        out.println("      padding: 4px 10px;"); // Reduced padding for compactness
-        out.println("      border: 1px solid #e5e7eb;");
-        out.println("      text-align: left;");
-        out.println("      white-space: nowrap;");
-        out.println("      overflow: hidden;");
-        out.println("      text-overflow: ellipsis;");
-        out.println("      max-width: 150px;"); // Slightly narrower max width
-        out.println("      font-size: 13px;"); // Slightly smaller font
-        out.println("      line-height: 1;");
-        out.println("    }");
-        
-        // Row hover effect
-        out.println("    .data-table tr:hover {");
-        out.println("      background-color: #f3f4f6;");
-        out.println("    }");
-        
-        // Row styling for alternating rows
-        out.println("    .data-table .even-row {");
-        out.println("      background-color: #ffffff;");
-        out.println("    }");
-        
-        out.println("    .data-table .odd-row {");
-        out.println("      background-color: #f8fafc;");
-        out.println("    }");
-        
-        out.println("  </style>");
-    }
-
-    private void writeHtmlHeaders(PrintWriter out, String[] headers) {
-        out.println("        <thead>");
-        out.println("          <tr>");
-        for (String header : headers) {
-            out.println("            <th>" + Utils.escapeHtml(header) + "</th>");
-        }
-        out.println("          </tr>");
-        out.println("        </thead>");
-        out.println("        <tbody>");
-    }
-
-    private void writeHtmlBody(PrintWriter out, QueryResult result) throws SQLException {
-        int batchSize = Integer.parseInt(
-            configProps.getProperty("html.batch.size", "1000")
-        );
-        int currentBatch = 0;
-        int rowCount = 0;
-
-        while (result.resultSet.next()) {
-            // Alternate row styling for better readability with many columns
-            String rowClass = (rowCount % 2 == 0) ? "even-row" : "odd-row";
-            out.println("          <tr class=\"" + rowClass + "\">");
-            
-            for (int i = 1; i <= result.metadata.getColumnCount(); i++) {
-                String value = result.resultSet.getString(i);
-                String escapedValue = Utils.escapeHtml(value != null ? value : "");
-                out.println("            <td>" + escapedValue + "</td>");
-            }
-            
-            out.println("          </tr>");
-            rowCount++;
-
-            if (++currentBatch >= batchSize) {
-                out.flush();
-                currentBatch = 0;
-            }
-        }
-        
-        out.println("        </tbody>");
-    }
-}

src/main/java/dev/alexzaw/fetchapi/formatter/JsonFormatter.java

@@ -1,61 +0,0 @@
-package dev.alexzaw.fetchapi.formatter;
-
-import java.io.*;
-import java.nio.charset.StandardCharsets;
-import java.sql.SQLException;
-import java.util.Properties;
-import java.util.logging.Logger;
-import javax.servlet.http.HttpServletResponse;
-import org.json.JSONObject;
-
-import dev.alexzaw.fetchapi.QueryResult;
-import dev.alexzaw.fetchapi.Utils;
-
-public class JsonFormatter implements ResponseFormatter {
-    private static final Logger logger = Logger.getLogger(JsonFormatter.class.getName());
-    private Properties configProps;
-    
-    public JsonFormatter(Properties configProps) {
-        this.configProps = configProps;
-    }
-    
-    @Override
-    public void format(HttpServletResponse response, QueryResult result) throws IOException, SQLException {
-        response.setContentType("application/json");
-        response.setCharacterEncoding("UTF-8");
-
-        // Increase buffer size for better performance
-        response.setBufferSize(8192);
-
-        try (BufferedOutputStream bos = new BufferedOutputStream(response.getOutputStream(), 8192);
-            OutputStreamWriter osw = new OutputStreamWriter(bos, StandardCharsets.UTF_8)) {
-
-            osw.write("[");
-            boolean first = true;
-
-            while (result.resultSet.next()) {
-                if (!first) {
-                    osw.write(",");
-                }
-                first = false;
-
-                JSONObject obj = new JSONObject();
-                for (int i = 1; i <= result.metadata.getColumnCount(); i++) {
-                    String columnName = result.metadata.getColumnName(i);
-                    String value = result.resultSet.getString(i);
-                    obj.put(columnName, value != null ? Utils.rightTrim(value) : JSONObject.NULL);
-                }
-
-                osw.write(obj.toString());
-
-                // Flush periodically to avoid holding too much in memory
-                if (result.resultSet.getRow() % 1000 == 0) {
-                    osw.flush();
-                }
-            }
-
-            osw.write("]");
-            osw.flush();
-        }
-    }
-} 

src/main/webapp/WEB-INF/web.xml

@@ -5,7 +5,7 @@
          version="3.1">
          <filter>
     <filter-name>EncodingFilter</filter-name>
-        <filter-class>dev.alexzaw.fetchapi.CharacterEncodingFilter</filter-class>
+        <filter-class>com.minicircuits.CharacterEncodingFilter</filter-class>
     <init-param>
         <param-name>encoding</param-name>
         <param-value>UTF-8</param-value>
@@ -20,12 +20,12 @@
         <url-pattern>/*</url-pattern>
     </filter-mapping>
     <servlet>
-        <servlet-name>FetchAPI</servlet-name>
-        <servlet-class>dev.alexzaw.fetchapi.FetchAPIServlet</servlet-class>
+        <servlet-name>FetchAPIServlet</servlet-name>
+        <servlet-class>com.minicircuits.FetchAPI</servlet-class>
         <load-on-startup>1</load-on-startup>
     </servlet>
     <servlet-mapping>
-        <servlet-name>FetchAPI</servlet-name>
-        <url-pattern>/</url-pattern>
+        <servlet-name>FetchAPIServlet</servlet-name>
+        <url-pattern>/FetchAPIServlet</url-pattern>
     </servlet-mapping>
 </web-app>