Java tutorial
/* * Copyright (C) 2008 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.internal.http.multipart; import junit.framework.TestCase; import org.apache.http.Header; import org.apache.http.util.EncodingUtils; import java.io.BufferedWriter; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileWriter; public class MultipartTest extends TestCase { public void testParts() throws Exception { 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()); } }