jsfeng

Have the Action check if isTokenValid(request)
If true, process request then call resetToken(); otherwise, we're dealing with a double-submit and will skip processing it.

	@Produces("image/jpeg")
	@Path("/images")
	public class ImageRestServiceImpl {
	@Path("{id}")
	public StreamingOutput getImage(@PathParam("id") int id) {
	BufferedImage image = generateImage(id); //generate image using
	return new StreamingImageOutput(image);
	}
	}

	.gist{
	margin: 15px 0 !important;
	}

	.gist-file{
	border: none !important;
	}

	.gist-meta{
	border: 1px solid #D2d2d2 !important;

	import groovyx.net.http.HTTPBuilder
	import static groovyx.net.http.Method.POST
	import static groovyx.net.http.ContentType.JSON
	import java.util.Random

	String[] inputs=[
	'200',
	'400',
	'600',
	'800',

	import org.apache.struts.action.*;
	import org.apache.struts.upload.FormFile;

	/**
	* Form bean for Struts File Upload.
	*
	*/
	public class StrutsUploadForm extends ActionForm
	{
	private FormFile theFile;

	<%@ taglib uri="/tags/struts-bean" prefix="bean" %>
	<%@ taglib uri="/tags/struts-html" prefix="html" %>

	<html:html locale="true">
	<head>
	<title>Struts File Upload Example</title>
	<html:base/>
	</head>
	<body bgcolor="white">
	<html:form action="/FileUpload" method="post" enctype="multipart/form-data">

	import java.security.NoSuchAlgorithmException;
	import java.security.Security;
	import java.security.spec.InvalidKeySpecException;
	import java.security.spec.KeySpec;

	import javax.crypto.Cipher;
	import javax.crypto.SecretKey;
	import javax.crypto.SecretKeyFactory;
	import javax.crypto.spec.IvParameterSpec;
	import javax.crypto.spec.PBEKeySpec;

	import java.util.Random;
	import java.io.UnsupportedEncodingException;
	import java.security.MessageDigest;
	import java.security.NoSuchAlgorithmException;
	import java.security.SecureRandom;
	import org.apache.commons.codec.binary.Base64;

	public class SimpleHashUtil {
	/**
	* Generates a hash for the given plain text value and returns a

	/*
	* net/balusc/webapp/FileServlet.java
	*
	* Copyright (C) 2009 BalusC
	*
	* This program is free software: you can redistribute it and/or modify it under the terms of the
	* GNU Lesser General Public License as published by the Free Software Foundation, either version 3
	* of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without

	package net.java.ws.providers;

	import javax.ws.rs.Consumes;
	import javax.ws.rs.Produces;
	import javax.ws.rs.WebApplicationException;
	import javax.ws.rs.core.MediaType;
	import javax.ws.rs.core.MultivaluedMap;
	import javax.ws.rs.ext.MessageBodyReader;
	import javax.ws.rs.ext.MessageBodyWriter;
	import javax.ws.rs.ext.Provider;