01: /*
02: * $HeadURL: https://svn.apache.org/repos/asf/httpcomponents/httpcore/tags/4.0-beta1/module-nio/src/main/java/org/apache/http/nio/entity/FileNIOEntity.java $
03: * $Revision: 602520 $
04: * $Date: 2007-12-08 18:42:26 +0100 (Sat, 08 Dec 2007) $
05: *
06: * ====================================================================
07: * Licensed to the Apache Software Foundation (ASF) under one
08: * or more contributor license agreements. See the NOTICE file
09: * distributed with this work for additional information
10: * regarding copyright ownership. The ASF licenses this file
11: * to you under the Apache License, Version 2.0 (the
12: * "License"); you may not use this file except in compliance
13: * with the License. You may obtain a copy of the License at
14: *
15: * http://www.apache.org/licenses/LICENSE-2.0
16: *
17: * Unless required by applicable law or agreed to in writing,
18: * software distributed under the License is distributed on an
19: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
20: * KIND, either express or implied. See the License for the
21: * specific language governing permissions and limitations
22: * under the License.
23: * ====================================================================
24: *
25: * This software consists of voluntary contributions made by many
26: * individuals on behalf of the Apache Software Foundation. For more
27: * information on the Apache Software Foundation, please see
28: * <http://www.apache.org/>.
29: *
30: */
31:
32: package org.apache.http.nio.entity;
33:
34: import java.io.File;
35: import java.io.IOException;
36: import java.io.RandomAccessFile;
37: import java.nio.channels.ReadableByteChannel;
38:
39: import org.apache.http.HttpEntity;
40: import org.apache.http.entity.FileEntity;
41:
42: /**
43: * An entity whose content is retrieved from from a file. In addition to the standard
44: * {@link HttpEntity} interface this class also implements NIO specific
45: * {@link HttpNIOEntity}.
46: *
47: * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
48: *
49: * @version $Revision: 602520 $
50: *
51: * @since 4.0
52: */
53: public class FileNIOEntity extends FileEntity implements HttpNIOEntity {
54:
55: public FileNIOEntity(final File file, final String contentType) {
56: super (file, contentType);
57: }
58:
59: public ReadableByteChannel getChannel() throws IOException {
60: RandomAccessFile rafile = new RandomAccessFile(this .file, "r");
61: return rafile.getChannel();
62: }
63:
64: }
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