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Test Servlet for Download, Upload from Android App
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‎misc/TestAndroid/.project

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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>TestAndroid</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.wst.jsdt.core.javascriptValidator</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>org.eclipse.wst.common.project.facet.core.builder</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>org.eclipse.wst.validation.validationbuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.jem.workbench.JavaEMFNature</nature>
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<nature>org.eclipse.wst.common.modulecore.ModuleCoreNature</nature>
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<nature>org.eclipse.wst.common.project.facet.core.nature</nature>
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<nature>org.eclipse.jdt.core.javanature</nature>
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<nature>org.eclipse.wst.jsdt.core.jsNature</nature>
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</natures>
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</projectDescription>

‎misc/TestAndroid/WebContent/META-INF/MANIFEST.MF

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Manifest-Version: 1.0
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Class-Path:
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‎misc/TestAndroid/WebContent/WEB-INF/web.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
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<display-name>TestAndroid</display-name>
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<welcome-file-list>
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<welcome-file>index.html</welcome-file>
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<welcome-file>index.htm</welcome-file>
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<welcome-file>index.jsp</welcome-file>
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<welcome-file>default.html</welcome-file>
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<welcome-file>default.htm</welcome-file>
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<welcome-file>default.jsp</welcome-file>
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</welcome-file-list>
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</web-app>

‎misc/TestAndroid/WebContent/images/logo.png

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‎misc/TestAndroid/WebContent/test.html

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>Insert title here</title>
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</head>
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<body>
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<form method="POST" action="/TestAndroid/TestServlet">
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Name: <input type="text" name="text" />
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<br/>
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<input type="submit" name="send" />
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</form>
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</body>
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</html>

‎misc/TestAndroid/WebContent/upload.html

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>Insert title here</title>
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</head>
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<body>
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<form method="POST" action="/TestAndroid/UploadServlet" enctype="multipart/form-data">
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Param: <input type="text" name="param1" />
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<br/>
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Param1: <input type="text" name="param2" />
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<br/>
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File: <input type="file" name="file" />
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<br/>
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<input type="submit" name="send" />
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</form>
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</body>
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</html>

‎misc/TestAndroid/src/com/survivingwithandroid/jee/http/CookieServlet.java

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/*
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* Copyright (C) 2014 Francesco Azzola
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* Surviving with Android (http://www.survivingwithandroid.com)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.survivingwithandroid.jee.http;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.Collection;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.MultipartConfig;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.Cookie;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.Part;
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/**
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* Servlet implementation classCookieServlet
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*/
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@WebServlet("/CookieServlet")
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@MultipartConfig
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public class CookieServlet extends HttpServlet {
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private static final long serialVersionUID = 1L;
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/**
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* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
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*/
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protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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cookie(request,response);
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}
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/**
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* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
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*/
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protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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cookie(request,response);
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}
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private void cookie(HttpServletRequest request, HttpServletResponse response) throws ServletException {
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Cookie[] cList = request.getCookies();
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if (cList == null) {
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Cookie c = new Cookie("swa", "great");
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response.addCookie(c);
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response.setStatus(HttpServletResponse.SC_OK);
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return ;
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}
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for (Cookie c : cList)
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System.out.println("Name ["+c.getName()+"] - Val ["+c.getValue()+"]");
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response.setStatus(HttpServletResponse.SC_OK);
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}
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}

‎misc/TestAndroid/src/com/survivingwithandroid/jee/http/DownloadServlet.java

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/*
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* Copyright (C) 2014 Francesco Azzola
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* Surviving with Android (http://www.survivingwithandroid.com)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.survivingwithandroid.jee.http;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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/**
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* Servlet implementation class DownloadServlet
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*/
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@WebServlet("/DownloadServlet")
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public class DownloadServlet extends HttpServlet {
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private static final long serialVersionUID = 1L;
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/**
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* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
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*/
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protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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downloadData(request, response);
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}
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/**
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* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
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*/
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protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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downloadData(request, response);
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}
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private void downloadData(HttpServletRequest request, HttpServletResponse response) throws ServletException {
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String realPath = request.getServletContext().getRealPath("/images");
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String imgName = request.getParameter("name");
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String imgPath = realPath + File.separator + imgName;
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File f = new File(imgPath);
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FileInputStream fis = null;
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byte[] buffer = new byte[1024];
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response.setContentLength((int) f.length());
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try {
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fis = new FileInputStream(f);
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OutputStream os = response.getOutputStream();
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while ( fis.read(buffer) != -1)
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os.write(buffer);
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}
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catch(Throwable t) {
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// Handle exception here;
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t.printStackTrace();
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}
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finally {
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try {fis.close(); } catch(Throwable t) {}
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}
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}
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}

‎misc/TestAndroid/src/com/survivingwithandroid/jee/http/TestServlet.java

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/*
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* Copyright (C) 2014 Francesco Azzola
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* Surviving with Android (http://www.survivingwithandroid.com)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.survivingwithandroid.jee.http;
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import java.io.IOException;
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import java.util.Enumeration;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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/**
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* Servlet implementation class TestServlet
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*/
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@WebServlet("/TestServlet")
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public class TestServlet extends HttpServlet {
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private static final long serialVersionUID = 1L;
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/**
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* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
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*/
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protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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System.out.println("### GET ###");
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dumpRequest(request, response);
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}
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/**
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* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
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*/
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protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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System.out.println("### POST ###");
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dumpRequest(request, response);
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}
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private void dumpRequest(HttpServletRequest request, HttpServletResponse response) throws IOException {
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Enumeration<String> keys = request.getParameterNames();
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System.out.println("Request Parameters:");
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while (keys.hasMoreElements()) {
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String key = keys.nextElement();
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String val = request.getParameter(key);
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System.out.println("Key ["+key+"] - Val ["+val+"]");
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}
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response.getWriter().println("Hello " + request.getParameter("name"));
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}
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}

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