/*
 * 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.
 */
package org.apache.commons.vfs.provider.webdav;

import java.net.URLStreamHandler;
import java.util.Collection;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.vfs.FileName;
import org.apache.commons.vfs.FileObject;
import org.apache.commons.vfs.FileSystem;
import org.apache.commons.vfs.FileSystemOptions;
import org.apache.commons.vfs.provider.DefaultURLStreamHandler;
import org.apache.commons.vfs.provider.GenericFileName;
import org.apache.commons.vfs.provider.http.HttpFileSystem;

/**
 * A WebDAV file system.
 *
 * @author <a href="http://commons.apache.org/vfs/team-list.html">Commons VFS team</a>
 * @version $Revision: 773234 $ $Date: 2009-05-09 23:27:59 +0800 (六, 2009-05-09) $
 */
public class WebdavFileSystem extends HttpFileSystem implements FileSystem
{
    protected WebdavFileSystem(final GenericFileName rootName, final HttpClient client,
                               final FileSystemOptions fileSystemOptions)
    {
        super(rootName, client, fileSystemOptions);
    }

    protected HttpClient getClient()
    {
        return super.getClient();
    }

    /**
     * Returns the capabilities of this file system.
     * @caps The Capabilities to add.
     */
    protected void addCapabilities(final Collection caps)
    {
        caps.addAll(WebdavFileProvider.capabilities);
    }

    /**
     * Creates a file object.  This method is called only if the requested
     * file is not cached.
     * @param name the FileName.
     * @return The created FileObject.
     */
    protected FileObject createFile(final FileName name)
    {

        return new WebdavFileObject(name, this);
    }

    /**
     * Return a URLStreamHandler.
     * @return The URLStreamHandler.
     */
    public URLStreamHandler getURLStreamHandler()
    {
        return new DefaultURLStreamHandler(getContext(), getFileSystemOptions());
    }
}
