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1 package org.springframework.samples.imagedb.web;
2
3 import javax.servlet.http.HttpServletRequest  ;
4 import javax.servlet.http.HttpServletResponse ;
5
6 import org.springframework.samples.imagedb.ImageDatabase;
7 import org.springframework.web.multipart.MultipartFile;
8 import org.springframework.web.multipart.MultipartHttpServletRequest;
9 import org.springframework.web.servlet.ModelAndView;
10 import org.springframework.web.servlet.mvc.multiaction.MultiActionController;
11
12
18 public class ImageController extends MultiActionController {
19
20 private ImageDatabase imageDatabase;
21
22 public void setImageDatabase(ImageDatabase imageDatabase) {
23 this.imageDatabase = imageDatabase;
24 }
25
26 public ModelAndView showImageList(HttpServletRequest request, HttpServletResponse response) throws Exception {
27 return new ModelAndView("imageList", "images", this.imageDatabase.getImages());
28 }
29
30 public ModelAndView streamImageContent(HttpServletRequest request, HttpServletResponse response) throws Exception {
31 this.imageDatabase.streamImage(request.getParameter("name"), response.getOutputStream());
32 return null;
33 }
34
35 public ModelAndView processImageUpload(HttpServletRequest request, HttpServletResponse response) throws Exception {
36 String name = request.getParameter("name");
37 String description = request.getParameter("description");
38 MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
39 MultipartFile multipartFile = multipartRequest.getFile("image");
40 this.imageDatabase.storeImage(name, multipartFile.getInputStream(), (int) multipartFile.getSize(), description);
41 return new ModelAndView("redirect:imageList");
42 }
43
44 public ModelAndView clearDatabase(HttpServletRequest request, HttpServletResponse response) throws Exception {
45 this.imageDatabase.clearDatabase();
46 return new ModelAndView("redirect:imageList");
47 }
48
49 }
50 |
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