| /* |
| * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/entity/FileEntity.java $ |
| * $Revision: 604625 $ |
| * $Date: 2007-12-16 06:11:11 -0800 (Sun, 16 Dec 2007) $ |
| * |
| * ==================================================================== |
| * 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; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| /** |
| * An entity whose content is retrieved from a file. |
| * |
| * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a> |
| * |
| * @version $Revision: 604625 $ |
| * |
| * @since 4.0 |
| */ |
| public class FileEntity extends AbstractHttpEntity implements Cloneable { |
| |
| protected final File file; |
| |
| public FileEntity(final File file, final String contentType) { |
| super(); |
| if (file == null) { |
| throw new IllegalArgumentException("File may not be null"); |
| } |
| this.file = file; |
| setContentType(contentType); |
| } |
| |
| public boolean isRepeatable() { |
| return true; |
| } |
| |
| public long getContentLength() { |
| return this.file.length(); |
| } |
| |
| public InputStream getContent() throws IOException { |
| return new FileInputStream(this.file); |
| } |
| |
| public void writeTo(final OutputStream outstream) throws IOException { |
| if (outstream == null) { |
| throw new IllegalArgumentException("Output stream may not be null"); |
| } |
| InputStream instream = new FileInputStream(this.file); |
| try { |
| byte[] tmp = new byte[4096]; |
| int l; |
| while ((l = instream.read(tmp)) != -1) { |
| outstream.write(tmp, 0, l); |
| } |
| outstream.flush(); |
| } finally { |
| instream.close(); |
| } |
| } |
| |
| /** |
| * Tells that this entity is not streaming. |
| * |
| * @return <code>false</code> |
| */ |
| public boolean isStreaming() { |
| return false; |
| } |
| |
| public Object clone() throws CloneNotSupportedException { |
| // File instance is considered immutable |
| // No need to make a copy of it |
| return super.clone(); |
| } |
| |
| } // class FileEntity |