001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.vfs2.provider;
018
019import java.io.IOException;
020import java.io.InputStream;
021import java.io.OutputStream;
022import java.net.URL;
023import java.net.URLConnection;
024
025import org.apache.commons.vfs2.FileContent;
026import org.apache.commons.vfs2.FileSystemException;
027
028/**
029 * A default URL connection that will work for most file systems.
030 */
031public final class DefaultURLConnection extends URLConnection {
032    private final FileContent content;
033
034    public DefaultURLConnection(final URL url, final FileContent content) {
035        super(url);
036        this.content = content;
037    }
038
039    @Override
040    public void connect() {
041        connected = true;
042    }
043
044    @Override
045    public InputStream getInputStream() throws IOException {
046        return content.getInputStream();
047    }
048
049    @Override
050    public OutputStream getOutputStream() throws IOException {
051        return content.getOutputStream();
052    }
053
054    @Override
055    public long getLastModified() {
056        try {
057            return content.getLastModifiedTime();
058        } catch (final FileSystemException ignored) {
059            return -1; // TODO: report?
060        }
061    }
062
063    @Override
064    public int getContentLength() {
065        try {
066            return (int) content.getSize();
067        } catch (final FileSystemException fse) {
068            return -1; // TODO: report?
069        }
070    }
071
072    @Override
073    public String getContentType() {
074        try {
075            return content.getContentInfo().getContentType();
076        } catch (final FileSystemException e) {
077            throw new RuntimeException(e.getMessage());
078        }
079    }
080
081    @Override
082    public String getContentEncoding() {
083        try {
084            return content.getContentInfo().getContentEncoding();
085        } catch (final FileSystemException e) {
086            throw new RuntimeException(e.getMessage());
087        }
088    }
089
090    /*
091     * public String getHeaderField(String name) { try { if
092     * (content.getFile().getFileSystem().hasCapability(Capability.ATTRIBUTES)) { String value = (String)
093     * content.getAttribute(name); if (value != null) { return value; } }
094     *
095     * return null; } catch (FileSystemException e) { throw new RuntimeException(e); } }
096     */
097}