Can specify port number to run java server on.

parsers/java/src/main/java/com/bitshift/parsing/Parse.java

@@ -1,24 +1,12 @@
 package com.bitshift.parsing;
 
-import java.io.IOException;
-
-import java.net.ServerSocket;
-import java.net.Socket;
-
-import com.bitshift.parsing.parsers.JavaParser;
+import com.bitshift.parsing.utils.ParseServer;
 
 public class Parse {
 
     public static void main(String[] args) {
-        try {
-            ServerSocket server = new ServerSocket(5033);
-
-            while(true) {
-                Socket clientSocket = server.accept();
-                new Thread(new JavaParser(clientSocket)).start();
-            }
-        } catch (IOException ex) {
-        }
+        ParseServer server = new ParseServer(Integer.parseInt(args[0]));
+        new Thread(server).start();
     }
 
 }

parsers/java/src/main/java/com/bitshift/parsing/utils/ParseServer.java

@@ -0,0 +1,65 @@
+/* Code for multithreaded server taken from Jakob Jenkov */
+package com.bitshift.parsing.utils;
+
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.io.IOException;
+
+import com.bitshift.parsing.parsers.JavaParser;
+
+public class ParseServer implements Runnable{
+
+    protected int          serverPort   = 8080;
+    protected ServerSocket serverSocket = null;
+    protected boolean      isStopped    = false;
+    protected Thread       runningThread= null;
+
+    public ParseServer(int port){
+        this.serverPort = port;
+    }
+
+    public void run(){
+        synchronized(this){
+            this.runningThread = Thread.currentThread();
+        }
+        openServerSocket();
+        while(! isStopped()){
+            Socket clientSocket = null;
+            try {
+                clientSocket = this.serverSocket.accept();
+            } catch (IOException e) {
+                if(isStopped()) {
+                    System.out.println("Server Stopped.") ;
+                    return;
+                }
+                throw new RuntimeException(
+                        "Error accepting client connection", e);
+            }
+            new Thread(new JavaParser(clientSocket)).start();
+        }
+        System.out.println("Server Stopped.") ;
+    }
+
+
+    private synchronized boolean isStopped() {
+        return this.isStopped;
+    }
+
+    public synchronized void stop(){
+        this.isStopped = true;
+        try {
+            this.serverSocket.close();
+        } catch (IOException e) {
+            throw new RuntimeException("Error closing server", e);
+        }
+    }
+
+    private void openServerSocket() {
+        try {
+            this.serverSocket = new ServerSocket(this.serverPort);
+        } catch (IOException e) {
+            throw new RuntimeException("Cannot open port 8080", e);
+        }
+    }
+
+}

parsers/java/src/main/java/com/bitshift/parsing/utils/Tuple.java

@@ -1,23 +0,0 @@
-package com.bitshift.parsing.utils;
-
-import java.util.List;
-import java.util.Arrays;
-
-public class Tuple<T> {
-    private List<T> _objects;
-
-    public Tuple(T... args) {
-        _objects = Arrays.asList(args);
-    }
-
-    public String toString() {
-        StringBuilder builder = new StringBuilder();
-
-        for(T o: this._objects) {
-            builder.append(o + ",");
-        }
-
-        String s = builder.toString();
-        return "(" + s.substring(0, s.length() - 1) + ")";
-    }
-}