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Apache Commons VFS is a Virtual File System library.
/*
* 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.vfs2.provider.http;
import java.util.Collection;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpConnectionManager;
import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager;
import org.apache.commons.vfs2.Capability;
import org.apache.commons.vfs2.FileObject;
import org.apache.commons.vfs2.FileSystemOptions;
import org.apache.commons.vfs2.provider.AbstractFileName;
import org.apache.commons.vfs2.provider.AbstractFileSystem;
import org.apache.commons.vfs2.provider.GenericFileName;
/**
* An HTTP file system.
*/
public class HttpFileSystem extends AbstractFileSystem {
private final HttpClient client;
protected HttpFileSystem(final GenericFileName rootName, final HttpClient client,
final FileSystemOptions fileSystemOptions) {
super(rootName, null, fileSystemOptions);
this.client = client;
}
/**
* Adds the capabilities of this file system.
*/
@Override
protected void addCapabilities(final Collection caps) {
caps.addAll(HttpFileProvider.capabilities);
}
protected HttpClient getClient() {
return client;
}
/** @since 2.0 */
@Override
public void closeCommunicationLink() {
if (getClient() != null) {
final HttpConnectionManager mgr = getClient().getHttpConnectionManager();
if (mgr instanceof MultiThreadedHttpConnectionManager) {
((MultiThreadedHttpConnectionManager) mgr).shutdown();
}
}
}
/**
* Creates a file object. This method is called only if the requested file is not cached.
*/
@Override
protected FileObject createFile(final AbstractFileName name) throws Exception {
return new HttpFileObject(name, this);
}
}
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