Java tutorial
/* * ==================================================================== * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * */ package org.apache.http.entity.mime.content; import java.io.IOException; import java.io.OutputStream; import org.apache.http.entity.mime.MIME; import org.apache.http.entity.mime.content.AbstractContentBody; /** * Body part that is built using a byte array containing a file. * * @since 4.1 */ public class ByteArrayBody extends AbstractContentBody { /** * The contents of the file contained in this part. */ private final byte[] data; /** * The name of the file contained in this part. */ private final String filename; /** * Creates a new ByteArrayBody. * * @param data The contents of the file contained in this part. * @param mimeType The mime type of the file contained in this part. * @param filename The name of the file contained in this part. */ public ByteArrayBody(final byte[] data, final String mimeType, final String filename) { super(mimeType); if (data == null) { throw new IllegalArgumentException("byte[] may not be null"); } this.data = data; this.filename = filename; } /** * Creates a new ByteArrayBody. * * @param data The contents of the file contained in this part. * @param filename The name of the file contained in this part. */ public ByteArrayBody(final byte[] data, final String filename) { this(data, "application/octet-stream", filename); } public String getFilename() { return filename; } public void writeTo(final OutputStream out) throws IOException { out.write(data); } public String getCharset() { return null; } public String getTransferEncoding() { return MIME.ENC_BINARY; } public long getContentLength() { return data.length; } }