001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *    http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 *
019 */
020package org.apache.mina.core.file;
021
022import java.io.File;
023import java.io.IOException;
024import java.nio.channels.FileChannel;
025
026/**
027 * TODO Add documentation
028 * 
029 * 
030 * @author The Apache MINA Project (dev@mina.apache.org)
031 * @version $Rev$, $Date$
032 */
033public class FilenameFileRegion extends DefaultFileRegion {
034
035    private final File file;
036
037    public FilenameFileRegion(File file, FileChannel channel) throws IOException {
038        this(file, channel, 0, file.length());
039    }
040
041    public FilenameFileRegion(File file, FileChannel channel, long position, long remainingBytes) {
042        super(channel, position, remainingBytes);
043
044        if (file == null) {
045            throw new IllegalArgumentException("file can not be null");
046        }
047        
048        this.file = file;
049    }
050
051    public String getFilename() {
052        return file.getAbsolutePath();
053    }
054}