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Android example source code file (MultipartTest.java)

This example Android source code file (MultipartTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" TM.

Java - Android tags/keywords

bufferedwriter, bytearrayoutputstream, content-disposition, content-transfer-encoding, content-type, filewriter, io, multipart, multipartentity, part1, part2, string, stringbuffer, stringpart, testcase

The MultipartTest.java Android example source code

/*
 * 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());
    }
}

Other Android examples (source code examples)

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