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hmkcodehmkcode
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spring mvc jquyer file upload
spring mvc jquyer file upload
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‎spring-mvc-jquery-file-upload/.classpath‎

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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="src" path="src/main/java" including="**/*.java"/>
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<classpathentry kind="src" path="src/main/resources" excluding="**/*.java"/>
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<classpathentry kind="output" path="target/classes"/>
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<classpathentry kind="var" path="M2_REPO/javax/servlet/servlet-api/2.5/servlet-api-2.5.jar"/>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
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<classpathentry kind="var" path="M2_REPO/org/springframework/spring-core/3.1.0.RELEASE/spring-core-3.1.0.RELEASE.jar"/>
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<classpathentry kind="var" path="M2_REPO/org/springframework/spring-asm/3.1.0.RELEASE/spring-asm-3.1.0.RELEASE.jar"/>
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<classpathentry kind="var" path="M2_REPO/commons-logging/commons-logging/1.1.1/commons-logging-1.1.1.jar"/>
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<classpathentry kind="var" path="M2_REPO/org/springframework/spring-web/3.1.0.RELEASE/spring-web-3.1.0.RELEASE.jar"/>
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<classpathentry kind="var" path="M2_REPO/aopalliance/aopalliance/1.0/aopalliance-1.0.jar"/>
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<classpathentry kind="var" path="M2_REPO/org/springframework/spring-beans/3.1.0.RELEASE/spring-beans-3.1.0.RELEASE.jar"/>
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<classpathentry kind="var" path="M2_REPO/org/springframework/spring-context/3.1.0.RELEASE/spring-context-3.1.0.RELEASE.jar"/>
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<classpathentry kind="var" path="M2_REPO/org/springframework/spring-aop/3.1.0.RELEASE/spring-aop-3.1.0.RELEASE.jar"/>
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<classpathentry kind="var" path="M2_REPO/org/springframework/spring-expression/3.1.0.RELEASE/spring-expression-3.1.0.RELEASE.jar"/>
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<classpathentry kind="var" path="M2_REPO/org/springframework/spring-webmvc/3.1.0.RELEASE/spring-webmvc-3.1.0.RELEASE.jar"/>
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<classpathentry kind="var" path="M2_REPO/org/springframework/spring-context-support/3.1.0.RELEASE/spring-context-support-3.1.0.RELEASE.jar"/>
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<classpathentry kind="var" path="M2_REPO/commons-fileupload/commons-fileupload/1.2/commons-fileupload-1.2.jar"/>
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<classpathentry kind="var" path="M2_REPO/commons-io/commons-io/2.4/commons-io-2.4.jar"/>
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<classpathentry kind="var" path="M2_REPO/org/codehaus/jackson/jackson-mapper-asl/1.9.12/jackson-mapper-asl-1.9.12.jar"/>
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<classpathentry kind="var" path="M2_REPO/org/codehaus/jackson/jackson-core-asl/1.9.12/jackson-core-asl-1.9.12.jar"/>
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<classpathentry kind="var" path="M2_REPO/junit/junit/4.11/junit-4.11.jar"/>
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<classpathentry kind="var" path="M2_REPO/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar"/>
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</classpath>

‎spring-mvc-jquery-file-upload/pom.xml‎

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.hmkcode</groupId>
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<artifactId>spring-mvc-jquery-file-upload</artifactId>
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<packaging>war</packaging>
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<version>1.0-SNAPSHOT</version>
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<name>spring-mvc-jquery-file-upload Maven Webapp</name>
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<url>http://maven.apache.org</url>
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<properties>
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<spring.version>3.1.0.RELEASE</spring.version>
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<junit.version>4.11</junit.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-core</artifactId>
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<version>${spring.version}</version>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-web</artifactId>
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<version>${spring.version}</version>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-webmvc</artifactId>
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<version>${spring.version}</version>
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</dependency>
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<dependency>
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<groupId>javax.servlet</groupId>
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<artifactId>servlet-api</artifactId>
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<version>2.5</version>
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</dependency>
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<dependency>
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<groupId>commons-fileupload</groupId>
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<artifactId>commons-fileupload</artifactId>
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<version>1.2</version>
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</dependency>
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<dependency>
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<groupId>commons-io</groupId>
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<artifactId>commons-io</artifactId>
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<version>2.4</version>
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</dependency>
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<dependency>
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<groupId>org.codehaus.jackson</groupId>
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<artifactId>jackson-mapper-asl</artifactId>
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<version>1.9.12</version>
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</dependency>
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<dependency>
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<groupId>org.codehaus.jackson</groupId>
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<artifactId>jackson-core-asl</artifactId>
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<version>1.9.12</version>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>${junit.version}</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<finalName>spring-mvc-jquery-file-upload</finalName>
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<plugins>
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<plugin>
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<groupId>org.mortbay.jetty</groupId>
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<artifactId>maven-jetty-plugin</artifactId>
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<version>6.1.10</version>
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<configuration>
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<scanIntervalSeconds>10</scanIntervalSeconds>
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</configuration>
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</plugin>
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<plugin>
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<artifactId>maven-compiler-plugin</artifactId>
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<configuration>
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<source>1.6</source>
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<target>1.6</target>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>

‎spring-mvc-jquery-file-upload/src/main/java/com/hmkcode/spring/mvc/controllers/FileController.java‎

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package com.hmkcode.spring.mvc.controllers;
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import java.io.IOException;
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import java.util.Iterator;
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import java.util.LinkedList;
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import javax.servlet.http.HttpServletResponse;
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import org.springframework.stereotype.Controller;
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import org.springframework.util.FileCopyUtils;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.bind.annotation.ResponseBody;
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import org.springframework.web.multipart.MultipartFile;
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import org.springframework.web.multipart.MultipartHttpServletRequest;
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import com.hmkcode.spring.mvc.model.FileMeta;
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@Controller
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@RequestMapping("/controller")
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public class FileController {
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LinkedList<FileMeta> files = new LinkedList<FileMeta>();
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FileMeta fileMeta = null;
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/***************************************************
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* URL: /rest/controller/upload
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* upload(): receives files
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* @param request : MultipartHttpServletRequest auto passed
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* @param response : HttpServletResponse auto passed
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* @return LinkedList<FileMeta> as json format
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****************************************************/
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@RequestMapping(value="/upload", method = RequestMethod.POST)
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public @ResponseBody LinkedList<FileMeta> upload(MultipartHttpServletRequest request, HttpServletResponse response) {
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//1. build an iterator
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Iterator<String> itr = request.getFileNames();
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MultipartFile mpf = null;
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//2. get each file
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while(itr.hasNext()){
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//2.1 get next MultipartFile
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mpf = request.getFile(itr.next());
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System.out.println(mpf.getOriginalFilename() +" uploaded! "+files.size());
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//2.2 if files > 10 remove the first from the list
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if(files.size() >= 10)
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files.pop();
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//2.3 create new fileMeta
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fileMeta = new FileMeta();
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fileMeta.setFileName(mpf.getOriginalFilename());
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fileMeta.setFileSize(mpf.getSize()/1024+" Kb");
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fileMeta.setFileType(mpf.getContentType());
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try {
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fileMeta.setBytes(mpf.getBytes());
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} catch (IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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//2.4 add to files
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files.add(fileMeta);
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}
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// result will be like this
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// [{"fileName":"app_engine-85x77.png","fileSize":"8 Kb","fileType":"image/png"},...]
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return files;
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}
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/***************************************************
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* URL: /rest/controller/get/{value}
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* get(): get file as an attachment
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* @param response : passed by the server
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* @param value : value from the URL
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* @return void
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****************************************************/
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@RequestMapping(value = "/get/{value}", method = RequestMethod.GET)
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public void get(HttpServletResponse response,@PathVariable String value){
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FileMeta getFile = files.get(Integer.parseInt(value));
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try {
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response.setContentType(getFile.getFileType());
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response.setHeader("Content-disposition", "attachment; filename=\""+getFile.getFileName()+"\"");
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FileCopyUtils.copy(getFile.getBytes(), response.getOutputStream());
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}catch (IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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}

‎spring-mvc-jquery-file-upload/src/main/java/com/hmkcode/spring/mvc/model/FileMeta.java‎

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package com.hmkcode.spring.mvc.model;
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import org.codehaus.jackson.annotate.JsonIgnoreProperties;
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@JsonIgnoreProperties({"bytes"})
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public class FileMeta {
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private String fileName;
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private String fileSize;
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private String fileType;
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private byte[] bytes;
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public String getFileName() {
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return fileName;
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}
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public void setFileName(String fileName) {
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this.fileName = fileName;
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}
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public String getFileSize() {
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return fileSize;
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}
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public void setFileSize(String fileSize) {
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this.fileSize = fileSize;
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}
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public String getFileType() {
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return fileType;
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}
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public void setFileType(String fileType) {
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this.fileType = fileType;
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}
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public byte[] getBytes() {
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return bytes;
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}
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public void setBytes(byte[] bytes) {
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this.bytes = bytes;
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}
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}

‎spring-mvc-jquery-file-upload/src/main/webapp/WEB-INF/rest-servlet.xml‎

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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:context="http://www.springframework.org/schema/context"
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xmlns:mvc="http://www.springframework.org/schema/mvc"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="
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http://www.springframework.org/schema/beans
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http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
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http://www.springframework.org/schema/context
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http://www.springframework.org/schema/context/spring-context-3.0.xsd
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http://www.springframework.org/schema/mvc
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http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
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<context:component-scan base-package="com.hmkcode.spring.mvc.controllers" />
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<mvc:annotation-driven />
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<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"/>
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</beans>

‎spring-mvc-jquery-file-upload/src/main/webapp/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"
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xmlns="http://java.sun.com/xml/ns/javaee"
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xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
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xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
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id="WebApp_ID" version="2.5">
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<display-name>Archetype Created Web Application</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-list>
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<servlet>
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<servlet-name>rest</servlet-name>
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<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
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</servlet>
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<servlet-mapping>
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<servlet-name>rest</servlet-name>
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<url-pattern>/rest/*</url-pattern>
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</servlet-mapping>
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</web-app>

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