StringBuffer filebuffer = new StringBuffer();
String filepartStr = "this is file part";
filebuffer.append(filepartStr);
File upload = File.createTempFile("Multipart", "test");
FileWriter outFile = new FileWriter(upload);
BufferedWriter out = new BufferedWriter(outFile);
try {
out.write(filebuffer.toString());
out.flush();
} finally {
out.close();
}
Part[] parts = new Part[3];
parts[0] = new StringPart("stringpart", "PART1!!");
parts[1] = new FilePart(upload.getName(), upload);
parts[2] = new StringPart("stringpart", "PART2!!");
MultipartEntity me = new MultipartEntity(parts);
ByteArrayOutputStream os = new ByteArrayOutputStream();
me.writeTo(os);
Header h = me.getContentType();
String boundry = EncodingUtils.getAsciiString(me.getMultipartBoundary());
StringBuffer contentType = new StringBuffer("multipart/form-data");
contentType.append("; boundary=");
contentType.append(boundry);
assertEquals("Multipart content type error", contentType.toString(), h.getValue());
final String CRLF = "\r\n";
StringBuffer output = new StringBuffer();
output.append("--");
output.append(boundry);
output.append(CRLF);
output.append("Content-Disposition: form-data; name=\"stringpart\"");
output.append(CRLF);
output.append("Content-Type: text/plain; charset=US-ASCII");
output.append(CRLF);
output.append("Content-Transfer-Encoding: 8bit");
output.append(CRLF);
output.append(CRLF);
output.append("PART1!!");
output.append(CRLF);
output.append("--");
output.append(boundry);
output.append(CRLF);
output.append("Content-Disposition: form-data; name=\"");
output.append(upload.getName());
output.append("\"; filename=\"");
output.append(upload.getName());
output.append("\"");
output.append(CRLF);
output.append("Content-Type: application/octet-stream; charset=ISO-8859-1");
output.append(CRLF);
output.append("Content-Transfer-Encoding: binary");
output.append(CRLF);
output.append(CRLF);
output.append(filepartStr);
output.append(CRLF);
output.append("--");
output.append(boundry);
output.append(CRLF);
output.append("Content-Disposition: form-data; name=\"stringpart\"");
output.append(CRLF);
output.append("Content-Type: text/plain; charset=US-ASCII");
output.append(CRLF);
output.append("Content-Transfer-Encoding: 8bit");
output.append(CRLF);
output.append(CRLF);
output.append("PART2!!");
output.append(CRLF);
output.append("--");
output.append(boundry);
output.append("--");
output.append(CRLF);
// System.out.print(output.toString());
assertEquals("Multipart content error", output.toString(), os.toString());
// System.out.print(os.toString());