servlet and jquery interfaces for moses server. Thanks to Alexander Ulanov

contrib/server/Translation-web/src/conf/MANIFEST.MF

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+Manifest-Version: 1.0
+

contrib/server/Translation-web/src/java/com/hpl/mt/Translate.java

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+package com.hpl.mt;
+
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.net.URL;
+import java.util.HashMap;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import org.apache.xmlrpc.XmlRpcException;
+import org.apache.xmlrpc.client.XmlRpcClient;
+import org.apache.xmlrpc.client.XmlRpcClientConfigImpl;
+
+/**
+ *
+ * @author ulanov
+ */
+public class Translate extends HttpServlet {
+
+    /**
+     * Processes requests for both HTTP
+     * <code>GET</code> and
+     * <code>POST</code> methods.
+     *
+     * @param request servlet request
+     * @param response servlet response
+     * @throws ServletException if a servlet-specific error occurs
+     * @throws IOException if an I/O error occurs
+     */
+    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
+            throws ServletException, IOException {
+        response.setContentType("text/html;charset=UTF-8");
+        System.out.println("before" + request.getCharacterEncoding());
+        request.setCharacterEncoding("UTF-8");
+        System.out.println("after" + request.getCharacterEncoding());
+        PrintWriter out = response.getWriter();
+        try {
+            /*
+             * TODO output your page here. You may use following sample code.
+             */
+                // Create an instance of XmlRpcClient
+                String textToTranslate = request.getParameter("text");
+                XmlRpcClientConfigImpl config = new XmlRpcClientConfigImpl();
+                config.setServerURL(new URL("http://localhost:9008/RPC2"));
+                XmlRpcClient client = new XmlRpcClient();
+                client.setConfig(config);
+                // The XML-RPC data type used by mosesserver is <struct>. In Java, this data type can be represented using HashMap.
+                HashMap<String,String> mosesParams = new HashMap<String,String>();
+                mosesParams.put("text", textToTranslate);
+                mosesParams.put("align", "true");
+                mosesParams.put("report-all-factors", "true");
+                // The XmlRpcClient.execute method doesn't accept Hashmap (pParams). It's either Object[] or List. 
+                Object[] params = new Object[] { null };
+                params[0] = mosesParams;
+                // Invoke the remote method "translate". The result is an Object, convert it to a HashMap.
+                HashMap result;
+                try {
+                    result = (HashMap)client.execute("translate", params);
+                } catch (XmlRpcException ex) {
+                    Logger.getLogger(Translate.class.getName()).log(Level.SEVERE, null, ex);
+                    throw new IOException("XML-RPC failed");
+                }
+                // Print the returned results
+                String textTranslation = (String)result.get("text");
+                System.out.println("Input : "+textToTranslate);
+                System.out.println("Translation : "+textTranslation);
+                out.write(textTranslation);
+                if (result.get("align") != null){ 
+                        Object[] aligns = (Object[])result.get("align");
+                        System.out.println("Phrase alignments : [Source Start:Source End][Target Start]"); 
+                        for ( Object element : aligns) {
+                                HashMap align = (HashMap)element;	
+                                System.out.println("["+align.get("src-start")+":"+align.get("src-end")+"]["+align.get("tgt-start")+"]");
+                        }
+                }				
+        } finally {            
+            out.close();
+        }
+    }
+
+    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
+    /**
+     * Handles the HTTP
+     * <code>GET</code> method.
+     *
+     * @param request servlet request
+     * @param response servlet response
+     * @throws ServletException if a servlet-specific error occurs
+     * @throws IOException if an I/O error occurs
+     */
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response)
+            throws ServletException, IOException {
+        processRequest(request, response);
+    }
+
+    /**
+     * Handles the HTTP
+     * <code>POST</code> method.
+     *
+     * @param request servlet request
+     * @param response servlet response
+     * @throws ServletException if a servlet-specific error occurs
+     * @throws IOException if an I/O error occurs
+     */
+    @Override
+    protected void doPost(HttpServletRequest request, HttpServletResponse response)
+            throws ServletException, IOException {
+        processRequest(request, response);
+    }
+
+    /**
+     * Returns a short description of the servlet.
+     *
+     * @return a String containing servlet description
+     */
+    @Override
+    public String getServletInfo() {
+        return "Short description";
+    }// </editor-fold>
+}

contrib/server/Translation-web/web/META-INF/context.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<Context antiJARLocking="true" path="/Translation"/>

contrib/server/Translation-web/web/WEB-INF/web.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
+    <servlet>
+        <servlet-name>Translate</servlet-name>
+        <servlet-class>com.hpl.mt.Translate</servlet-class>
+    </servlet>
+    <servlet-mapping>
+        <servlet-name>Translate</servlet-name>
+        <url-pattern>/Translate</url-pattern>
+    </servlet-mapping>
+    <session-config>
+        <session-timeout>
+            30
+        </session-timeout>
+    </session-config>
+</web-app>

contrib/server/Translation-web/web/css/common.css

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+/* 
+    Document   : common
+    Created on : Jul 31, 2012, 11:53:29 AM
+    Author     : ulanov
+    Description:
+        Purpose of the stylesheet follows.
+*/
+
+root { 
+    display: block;
+}
+
+body {font-size:small; font-family: Verdana,Arial,sans-serif;height:auto; width: auto;}
+span {font-size:medium;}
+
+#north_tab {height: 10%; width: 100%; float: top;}
+#south_tab {height: 80%; width: 100%; float: bottom;}
+
+#input_text {height: 50%; width: 30%; margin-right: 10px; float: left;}
+#output_text {height: 50%; width: 30%; margin-right: 10px; float: left;}
+
+#translate {float: left; margin-right: 10px;}

contrib/server/Translation-web/web/index.html

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+<html lang="fr">
+<head>
+<style>
+</style>
+<link href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css" rel="stylesheet"
+      type="text/css"/>
+<script src="lib/jquery-1.6.4.js" type="text/javascript"></script>
+<script src="lib/jquery-ui-1.8.16.custom.js" type="text/javascript"></script>
+
+<link rel="stylesheet" href="css/common.css" type="text/css"/>
+<script>
+$(document).ready(function () {    
+	$( "input:submit").button();
+        $( "input:submit").click(function(){
+          $.ajax({
+                url: "Translate",
+                type: "POST",
+                context: document.body,
+                data: {text: $("#input_text").val()}
+                }).done(function(data) { 
+                    $("#output_text").val(data);
+                });
+        })
+                
+
+
+});
+</script>
+<title>Translate FR-EN</title>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+</head>
+<body>
+<div id="north_tab">
+    <h2>Translate FR-EN</h2>
+</div>
+<div id="south_tab">
+    <textarea id="input_text">
+    </textarea>
+
+    <input id="translate" type="submit" value="Translate">
+
+   	<textarea id="output_text" readonly="readonly">
+    	</textarea>
+</div>
+
+</body>
+</html>