com.anthony.forumspring.controller.FileUploadController.java Source code

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Here is the source code for com.anthony.forumspring.controller.FileUploadController.java

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package com.anthony.forumspring.controller;

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import org.springframework.stereotype.Controller;
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.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.servlet.ModelAndView;

/**
 *
 * @author anthony
 */
@Controller
public class FileUploadController {
    //      private static final Logger logger = LoggerFactory
    //         .getLogger(FileUploadController.class);
    @RequestMapping(value = "/upload", method = RequestMethod.GET)
    public ModelAndView uploadView() {

        return new ModelAndView("upload");
    }

    @RequestMapping(value = "/uploadFile", method = RequestMethod.POST)
    public @ResponseBody String uploadFildHander(@RequestParam(value = "name") String name,
            @RequestParam("file") MultipartFile file) {

        if (!file.isEmpty()) {
            try {
                byte[] bytes = file.getBytes();

                // Creating the directory to store file
                String rootPath = System.getProperty("catalina.home");
                File dir = new File(rootPath + File.separator + "tmpFiles");
                if (!dir.exists()) {
                    dir.mkdirs();
                }

                // Create the file on server
                File serverFile = new File(dir.getAbsolutePath() + File.separator + name);
                BufferedOutputStream stream = new BufferedOutputStream(new FileOutputStream(serverFile));
                stream.write(bytes);
                stream.close();

                //logger.info("Server File Location="
                //      + serverFile.getAbsolutePath());
                return "You successfully uploaded file=" + name;
            } catch (Exception e) {
                return "You failed to upload " + name + " => " + e.getMessage();
            }
        } else {
            return "You failed to upload " + name + " because the file was empty.";
        }
    }

}