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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  package org.apache.commons.vfs.provider.http;
    18
    19  import org.apache.commons.httpclient.HttpClient;
    20  import org.apache.commons.vfs.FileName;
    21  import org.apache.commons.vfs.FileObject;
    22  import org.apache.commons.vfs.FileSystem;
    23  import org.apache.commons.vfs.FileSystemOptions;
    24  import org.apache.commons.vfs.provider.AbstractFileSystem;
    25  import org.apache.commons.vfs.provider.GenericFileName;
    26
    27  import java.util.Collection;
    28
    29  /***
    30   * An HTTP file system.
    31   *
    32   * @author <a href="mailto:adammurdoch@apache.org">Adam Murdoch</a>
    33   * @version $Revision: 480428 $ $Date: 2006-11-29 07:15:24 +0100 (Mi, 29 Nov 2006) $
    34   */
    35  public class HttpFileSystem
    36      extends AbstractFileSystem
    37      implements FileSystem
    38  {
    39      private final HttpClient client;
    40
    41      protected HttpFileSystem(final GenericFileName rootName, final HttpClient client, final FileSystemOptions fileSystemOptions)
    42      {
    43          super(rootName, null, fileSystemOptions);
    44          this.client = client;
    45      }
    46
    47      /***
    48       * Adds the capabilities of this file system.
    49       */
    50      protected void addCapabilities(final Collection caps)
    51      {
    52          caps.addAll(HttpFileProvider.capabilities);
    53      }
    54
    55      protected HttpClient getClient()
    56      {
    57          return client;
    58      }
    59
    60      /***
    61       * Creates a file object.  This method is called only if the requested
    62       * file is not cached.
    63       */
    64      protected FileObject createFile(final FileName name)
    65          throws Exception
    66      {
    67          return new HttpFileObject(name, this);
    68      }
    69  }