Spring-mvc-showcase

package org.springframework.samples.mvc.messageconverters; import javax.validation.Valid; import org.springframework.http.HttpHeaders; import org.springframework.http.HttpStatus; import org.springframework.http.MediaType; import org.springframework.http.ResponseEntity; import org.springframework.stereotype.Controller; import org.springframework.util.LinkedMultiValueMap; import org.springframework.util.MultiValueMap; import org.springframework.web.bind.annotation.ModelAttribute; import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.ResponseBody; import com.sun.syndication.feed.atom.Feed; import com.sun.syndication.feed.rss.Channel; @Controller @RequestMapping("/messageconverters") public class MessageConvertersController { // StringHttpMessageConverter @RequestMapping(value="/string", method=RequestMethod.POST) public @ResponseBody String readString(@RequestBody String string) { return "Read string '" + string + "'"; } @RequestMapping(value="/string", method=RequestMethod.GET) public @ResponseBody String writeString() { return "Wrote a string"; } // Form encoded data (application/x-www-form-urlencoded) @RequestMapping(value="/form", method=RequestMethod.POST) public @ResponseBody String readForm(@ModelAttribute JavaBean bean) { return "Read x-www-form-urlencoded: " + bean; } @RequestMapping(value="/form", method=RequestMethod.GET) public @ResponseBody MultiValueMap<String, String> writeForm() { MultiValueMap<String, String> map = new LinkedMultiValueMap<String, String>(); map.add("foo", "bar"); map.add("fruit", "apple"); return map; } // Jaxb2RootElementHttpMessageConverter (requires JAXB2 on the classpath - useful for serving clients that expect to work with XML) @RequestMapping(value="/xml", method=RequestMethod.POST) public @ResponseBody String readXml(@RequestBody JavaBean bean) { return "Read from XML: " + bean; } @RequestMapping(value="/xml", method=RequestMethod.GET) public @ResponseBody JavaBean writeXml() { return new JavaBean("bar", "apple"); } // MappingJacksonHttpMessageConverter (requires Jackson on the classpath - particularly useful for serving JavaScript clients that expect to work with JSON) @RequestMapping(value="/json", method=RequestMethod.POST) public @ResponseBody String readJson(@Valid @RequestBody JavaBean bean) { return "Read from JSON: " + bean; } @RequestMapping(value="/json", method=RequestMethod.GET) public ResponseEntity<JavaBean> writeJson() { HttpHeaders headers = new HttpHeaders(); headers.setContentType(MediaType.TEXT_PLAIN); return new ResponseEntity<JavaBean>(new JavaBean("bar", "apple"), headers , HttpStatus.OK); // return new JavaBean("bar", "apple"); } // AtomFeedHttpMessageConverter (requires Rome on the classpath - useful for serving Atom feeds) @RequestMapping(value="/atom", method=RequestMethod.POST) public @ResponseBody String readFeed(@RequestBody Feed feed) { return "Read " + feed.getTitle(); } @RequestMapping(value="/atom", method=RequestMethod.GET) public @ResponseBody Feed writeFeed() { Feed feed = new Feed(); feed.setFeedType("atom_1.0"); feed.setTitle("My Atom feed"); return feed; } // RssChannelHttpMessageConverter (requires Rome on the classpath - useful for serving RSS feeds) @RequestMapping(value="/rss", method=RequestMethod.POST) public @ResponseBody String readChannel(@RequestBody Channel channel) { return "Read " + channel.getTitle(); } @RequestMapping(value="/rss", method=RequestMethod.GET) public @ResponseBody Channel writeChannel() { Channel channel = new Channel(); channel.setFeedType("rss_2.0"); channel.setTitle("My RSS feed"); channel.setDescription("Description"); channel.setLink("http://localhost:8080/mvc-showcase/rss"); return channel; } }