1 import java.io.ByteArrayOutputStream;
 2 import java.io.File;
 3 import java.io.FileInputStream;
 4 import java.io.FileNotFoundException;
 5 import java.io.IOException;
 6 import java.io.InputStream;
 7 import java.io.OutputStream;
 8 import java.net.HttpURLConnection;
 9 import java.net.MalformedURLException;
10 import java.net.URL;
11
12 public class HttpMultipartTest {
13     static String boundary = "abcde12345";
14     static String prefix = "--";
15     static String newLine = "\r\n";
16
17     public static void main(final String args[]) {
18         test();
19     }
20
21     private static void test() {
22         try {
23             URL url = new URL("http://127.0.0.1:8080/httpMultipartTestServer/App/testMultipart");
24             HttpURLConnection connection = (HttpURLConnection)url.openConnection();
25             connection.setDoInput(true);
26             connection.setDoOutput(true);
27             connection.setRequestProperty("Content-type", "multipart/form-data;boundary=" + boundary);
28             ConfigHttpMultipart(connection.getOutputStream());
29             InputStream ins = connection.getInputStream();
30             byte[] b = readBuffer(ins);
31             System.out.println(new String(b));
32         } catch (MalformedURLException e) {
33             System.out.println(" url error! ");
34         } catch (IOException e) {
35             System.out.println(" io error! ");
36         }
37     }
38
39     private static void ConfigHttpMultipart(final OutputStream out) {
40         StringBuffer params = new StringBuffer();
41         params.append(prefix + boundary + newLine);
42         params.append("Content-Disposition: form-data; name=\"jsonData\"");
43         params.append(newLine + newLine);
44         String jsonData = "{\"test\":\"test message!\"}";
45         params.append(jsonData);
46         params.append(newLine);
47         params.append(prefix + boundary + newLine);
48         params.append("Content-Disposition: form-data; name=\"signature\"; filename=\"test.jpg\"");
49         params.append(newLine);
50         params.append("Content-Type: image/pjpeg");
51         params.append(newLine + newLine);
52         File file = new File("C://test.jpg");
53         try {
54             InputStream in = new FileInputStream(file);
55             out.write(params.toString().getBytes());
56             out.write(readBuffer(in));
57             out.write(newLine.getBytes());
58             out.write((prefix + boundary + prefix + newLine).getBytes());
59             out.flush();
60             out.close();
61         } catch (FileNotFoundException e) {
62             System.out.println(" no file! ");
63         } catch (IOException e) {
64             System.out.println(" io error! ");
65         }
66     }
67
68     public static byte[] readBuffer(final InputStream ins) throws IOException {
69         byte b[] = new byte[1024];
70         ByteArrayOutputStream stream = new ByteArrayOutputStream();
71         int len = 0;
72         while ((len = ins.read(b)) != -1) {
73             stream.write(b, 0, len);
74         }
75         return stream.toByteArray();
76     }
77 }