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Add file upload example

This commit is contained in:
Ivan 2016-03-23 13:12:12 +01:00
parent 925f174c54
commit 8d398b2852
8 changed files with 293 additions and 112 deletions
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74
spring-mvc-java/.classpath
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@ -1,37 +1,37 @@
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" output="target/classes" path="src/main/java">
<attributes>
<attribute name="optional" value="true"/>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="src" output="target/test-classes" path="src/test/java">
<attributes>
<attribute name="optional" value="true"/>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources">
<attributes>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry excluding="**" kind="src" output="target/test-classes" path="src/test/resources">
<attributes>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
<attributes>
<attribute name="maven.pomderived" value="true"/>
<attribute name="org.eclipse.jst.component.dependency" value="/WEB-INF/lib"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
<attributes>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="output" path="target/classes"/>
</classpath>
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" output="target/classes" path="src/main/java">
<attributes>
<attribute name="optional" value="true"/>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="src" output="target/test-classes" path="src/test/java">
<attributes>
<attribute name="optional" value="true"/>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources">
<attributes>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry excluding="**" kind="src" output="target/test-classes" path="src/test/resources">
<attributes>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
<attributes>
<attribute name="maven.pomderived" value="true"/>
<attribute name="org.eclipse.jst.component.dependency" value="/WEB-INF/lib"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
<attributes>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="output" path="target/classes"/>
</classpath>

7
spring-mvc-java/pom.xml
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@ -57,6 +57,13 @@
<artifactId>slf4j-log4j12</artifactId>
<version>${org.slf4j.version}</version>
</dependency>
<!-- common -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.1</version>
</dependency>
<!-- test scoped -->
<dependency>
<groupId>junit</groupId>

112
spring-mvc-java/src/main/java/org/baeldung/spring/web/config/ClientWebConfig.java
View File

@ -25,69 +25,71 @@ import org.thymeleaf.templateresolver.ServletContextTemplateResolver;
@Configuration
public class ClientWebConfig extends WebMvcConfigurerAdapter {
public ClientWebConfig() {
super();
}
public ClientWebConfig() {
super();
}
// API
// API
@Override
public void addViewControllers(final ViewControllerRegistry registry) {
super.addViewControllers(registry);
@Override
public void addViewControllers(final ViewControllerRegistry registry) {
super.addViewControllers(registry);
registry.addViewController("/sample.html");
}
registry.addViewController("/sample.html");
registry.addViewController("/fileUpload.html");
registry.addViewController("/fileUploadForm.html");
}
@Bean
public ViewResolver thymeleafViewResolver() {
final ThymeleafViewResolver viewResolver = new ThymeleafViewResolver();
viewResolver.setTemplateEngine(templateEngine());
viewResolver.setOrder(1);
return viewResolver;
}
@Bean
public ViewResolver thymeleafViewResolver() {
final ThymeleafViewResolver viewResolver = new ThymeleafViewResolver();
viewResolver.setTemplateEngine(templateEngine());
viewResolver.setOrder(1);
return viewResolver;
}
@Bean
public ViewResolver viewResolver() {
final InternalResourceViewResolver bean = new InternalResourceViewResolver();
bean.setViewClass(JstlView.class);
bean.setPrefix("/WEB-INF/view/");
bean.setSuffix(".jsp");
bean.setOrder(0);
return bean;
}
@Bean
public ViewResolver viewResolver() {
final InternalResourceViewResolver bean = new InternalResourceViewResolver();
bean.setViewClass(JstlView.class);
bean.setPrefix("/WEB-INF/view/");
bean.setSuffix(".jsp");
bean.setOrder(0);
return bean;
}
@Bean
@Description("Thymeleaf template resolver serving HTML 5")
public ServletContextTemplateResolver templateResolver() {
final ServletContextTemplateResolver templateResolver = new ServletContextTemplateResolver();
templateResolver.setPrefix("/WEB-INF/templates/");
templateResolver.setSuffix(".html");
templateResolver.setTemplateMode("HTML5");
return templateResolver;
}
@Bean
@Description("Thymeleaf template resolver serving HTML 5")
public ServletContextTemplateResolver templateResolver() {
final ServletContextTemplateResolver templateResolver = new ServletContextTemplateResolver();
templateResolver.setPrefix("/WEB-INF/templates/");
templateResolver.setSuffix(".html");
templateResolver.setTemplateMode("HTML5");
return templateResolver;
}
@Bean
@Description("Thymeleaf template engine with Spring integration")
public SpringTemplateEngine templateEngine() {
final SpringTemplateEngine templateEngine = new SpringTemplateEngine();
templateEngine.setTemplateResolver(templateResolver());
final Set<IDialect> dialects = new HashSet<>();
dialects.add(new CustomDialect());
templateEngine.setAdditionalDialects(dialects);
return templateEngine;
}
@Bean
@Description("Thymeleaf template engine with Spring integration")
public SpringTemplateEngine templateEngine() {
final SpringTemplateEngine templateEngine = new SpringTemplateEngine();
templateEngine.setTemplateResolver(templateResolver());
final Set<IDialect> dialects = new HashSet<>();
dialects.add(new CustomDialect());
templateEngine.setAdditionalDialects(dialects);
return templateEngine;
}
@Bean
@Description("Spring message resolver")
public MessageSource messageSource() {
final ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();
messageSource.setBasename("messages");
return messageSource;
}
@Bean
@Description("Spring message resolver")
public MessageSource messageSource() {
final ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();
messageSource.setBasename("messages");
return messageSource;
}
@Override
public void addResourceHandlers(final ResourceHandlerRegistry registry) {
registry.addResourceHandler("/resources/**").addResourceLocations("/resources/");
}
@Override
public void addResourceHandlers(final ResourceHandlerRegistry registry) {
registry.addResourceHandler("/resources/**").addResourceLocations("/resources/");
}
}

50
spring-mvc-java/src/main/java/org/baeldung/spring/web/config/MainWebAppInitializer.java
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@ -14,28 +14,38 @@ import org.springframework.web.servlet.DispatcherServlet;
public class MainWebAppInitializer implements WebApplicationInitializer {
/**
* Register and configure all Servlet container components necessary to power the web application.
*/
@Override
public void onStartup(final ServletContext sc) throws ServletException {
System.out.println("MainWebAppInitializer.onStartup()");
private static final String TMP_FOLDER = "C:/Users/ivan/Desktop/tmp"; // 5
// MB
private static final int MAX_UPLOAD_SIZE = 5 * 1024 * 1024; // 5 MB
// Create the 'root' Spring application context
final AnnotationConfigWebApplicationContext root = new AnnotationConfigWebApplicationContext();
root.scan("org.baeldung.spring.web.config");
// root.getEnvironment().setDefaultProfiles("embedded");
/**
* Register and configure all Servlet container components necessary to power the web application.
*/
@Override
public void onStartup(final ServletContext sc) throws ServletException {
// Manages the lifecycle of the root application context
sc.addListener(new ContextLoaderListener(root));
// Create the 'root' Spring application context
final AnnotationConfigWebApplicationContext root = new AnnotationConfigWebApplicationContext();
root.scan("org.baeldung.spring.web.config");
// root.getEnvironment().setDefaultProfiles("embedded");
// Handles requests into the application
final ServletRegistration.Dynamic appServlet = sc.addServlet("mvc", new DispatcherServlet(new GenericWebApplicationContext()));
appServlet.setLoadOnStartup(1);
final Set<String> mappingConflicts = appServlet.addMapping("/");
if (!mappingConflicts.isEmpty()) {
throw new IllegalStateException("'appServlet' could not be mapped to '/' due " + "to an existing mapping. This is a known issue under Tomcat versions " + "<= 7.0.14; see https://issues.apache.org/bugzilla/show_bug.cgi?id=51278");
}
}
// Manages the lifecycle of the root application context
sc.addListener(new ContextLoaderListener(root));
// Handles requests into the application
final ServletRegistration.Dynamic appServlet = sc.addServlet("mvc", new DispatcherServlet(new GenericWebApplicationContext()));
appServlet.setLoadOnStartup(1);
// final MultipartConfigElement multipartConfigElement = new
// MultipartConfigElement(TMP_FOLDER, MAX_UPLOAD_SIZE,
// MAX_UPLOAD_SIZE * 2, MAX_UPLOAD_SIZE / 2);
//
// appServlet.setMultipartConfig(multipartConfigElement);
final Set<String> mappingConflicts = appServlet.addMapping("/");
if (!mappingConflicts.isEmpty()) {
throw new IllegalStateException("'appServlet' could not be mapped to '/' due " + "to an existing mapping. This is a known issue under Tomcat versions " + "<= 7.0.14; see https://issues.apache.org/bugzilla/show_bug.cgi?id=51278");
}
}
}

15
spring-mvc-java/src/main/java/org/baeldung/spring/web/config/WebConfig.java
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@ -22,6 +22,21 @@ public class WebConfig extends WebMvcConfigurerAdapter {
super();
}
// @Bean
// public StandardServletMultipartResolver multipartResolver() {
// return new StandardServletMultipartResolver();
// }
// @Bean(name = "multipartResolver")
// public CommonsMultipartResolver multipartResolver() {
//
// final CommonsMultipartResolver multipartResolver = new
// CommonsMultipartResolver();
// multipartResolver.setMaxUploadSize(100000);
//
// return multipartResolver;
// }
@Override
public void addViewControllers(final ViewControllerRegistry registry) {

80
spring-mvc-java/src/main/java/org/baeldung/web/controller/FileUploadController.java Normal file
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@ -0,0 +1,80 @@
package org.baeldung.web.controller;
import java.io.File;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.apache.commons.io.FileUtils;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;
@Controller
public class FileUploadController {
@RequestMapping(value = "/addFile1", method = RequestMethod.POST)
public String submit(@RequestParam("file") final MultipartFile file, final ModelMap modelMap) {
modelMap.addAttribute("fileName", file.getOriginalFilename());
modelMap.addAttribute("fileType", file.getContentType());
return "fileUploadView";
}
@RequestMapping(value = "/addFile2", method = RequestMethod.POST)
public String submit(final HttpServletRequest request, final HttpServletResponse response,
final ModelMap modelMap) {
final String TEMP_PATH = "C:\\Users\\ivan\\Desktop\\tmp\\";
try {
final DiskFileItemFactory factory = new DiskFileItemFactory();
// Configure a repository (to ensure a secure temp location is used)
final File repository = new File(TEMP_PATH);
factory.setRepository(repository);
// Create a new file upload handler
final ServletFileUpload upload = new ServletFileUpload(factory);
// Parse the request
final List<FileItem> items = upload.parseRequest(request);
final Iterator<FileItem> iter = items.iterator();
while (iter.hasNext()) {
final FileItem item = iter.next();
if (!item.isFormField()) {
final File targetFile = new File(TEMP_PATH + item.getName());
FileUtils.copyInputStreamToFile(item.getInputStream(), targetFile);
modelMap.addAttribute("fileName", item.getName());
modelMap.addAttribute("fileType", item.getContentType());
}
}
} catch (final FileUploadException e) {
e.printStackTrace();
} catch (final IOException e) {
e.printStackTrace();
}
return "fileUploadView";
}
}

47
spring-mvc-java/src/main/webapp/WEB-INF/view/fileUploadForm.jsp Normal file
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@ -0,0 +1,47 @@
<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>File Upload Example</title>
</head>
<body>
<h3>Enter The File to Upload (MultipartFile handling)</h3>
<form:form method="POST" action="/spring-mvc-java/addFile1" enctype="multipart/form-data">
<table>
<tr>
<td>Select a file to upload</td>
<td><input type="file" name="file" /></td>
</tr>
<tr>
<td><input type="submit" value="Submit" /></td>
</tr>
</table>
</form:form>
<br />
<h3>Enter The File to Upload (HttpServletRequest handling)</h3>
<form:form method="POST" action="/spring-mvc-java/addFile2" enctype="multipart/form-data">
<table>
<tr>
<td>Select a file to upload</td>
<td><input type="file" name="file" /></td>
</tr>
<tr>
<td><input type="submit" value="Submit" /></td>
</tr>
</table>
</form:form>
</body>
</html>

20
spring-mvc-java/src/main/webapp/WEB-INF/view/fileUploadView.jsp Normal file
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@ -0,0 +1,20 @@
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<title>Spring MVC File Upload</title>
</head>
<body>
<h2>Submitted File</h2>
<table>
<tr>
<td>OriginalFileName :</td>
<td>${fileName}</td>
</tr>
<tr>
<td>Type :</td>
<td>${fileType}</td>
</tr>
</table>
</body>
</html>