src/de/j32/httplib/HttpPOSTRequest.java

   1 package de.j32.httplib;
   2
   3 import java.io.IOException;
   4 import java.io.OutputStream;
   5 import java.io.OutputStreamWriter;
   6 import java.io.Writer;
   7
   8 public class HttpPOSTRequest extends HttpRequest
   9 {
  10     boolean multipart_ = false;
  11     static final String separator_ = "----MultiPartFormData--MultiPartFormData--MultiPartFormData----";
  12
  13     public HttpPOSTRequest(String url)
  14     {
  15         super(url, "POST");
  16         setContentType("application/x-www-form-urlencoded; charset=utf-8");
  17     }
  18
  19     public HttpPOSTRequest setMultipart(boolean flag)
  20     {
  21         multipart_ = flag;
  22         if (multipart_) {
  23             setContentType("multipart/form-data; boundary=" + separator_);
  24             try {
  25                 OutputStream body = body();
  26                 body.write("--".getBytes());
  27                 body.write(separator_.getBytes());
  28                 body.write("\r\n".getBytes());
  29             }
  30             catch (IOException e) {
  31                 throw new AssertionError(
  32                         "ByteArrayOutputStream throwing IOExcpetion");
  33             }
  34         }
  35         return this;
  36     }
  37
  38     @Override
  39     public HttpRequest addParameter(String name, byte[] value, String encoding)
  40     {
  41         try {
  42             if (multipart_) {
  43                 OutputStream body = body();
  44                 body.write("Content-Disposition: form-data; name=\"".getBytes());
  45                 body.write(name.getBytes());
  46                 body.write("\"\r\n".getBytes());
  47                 body.write("Content-Type: text/plain; charset=".getBytes());
  48                 body.write(encoding.getBytes());
  49                 body.write("\r\n".getBytes());
  50                 body.write(("Content-Length: " + value.length).getBytes());
  51                 body.write("\r\n\r\n".getBytes());
  52                 body.write(value);
  53                 body.write("\r\n--".getBytes());
  54                 body.write(separator_.getBytes());
  55                 body.write("\r\n".getBytes());
  56             }
  57             else {
  58                 // Encoding not really relevant here since url-encoding is plain
  59                 // ASCII
  60                 Writer writer = new OutputStreamWriter(body(), "ascii");
  61                 appendParameter(writer, body().size() == 0, name, value);
  62                 writer.flush();
  63             }
  64         }
  65         catch (IOException e) {
  66             throw new AssertionError(
  67                     "ByteArrayOutputStream throwing IOExcpetion");
  68         }
  69         return this;
  70     }
  71 }