    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
    18  package org.apache.commons.configuration;
    19
    20  import java.io.File;
    21  import java.io.FileInputStream;
    22  import java.io.FileOutputStream;
    23  import java.io.IOException;
    24  import java.io.InputStream;
    25  import java.io.OutputStream;
    26  import java.net.URL;
    27  import java.net.URLConnection;
    28  import java.net.URLStreamHandler;
    29
    30  /***
    31   * A custom URLStreamHandler to test loading and saving configurations to non
    32   * standard URLs. This handler acts like a file handler with write support.
    33   *
    34   * @author Emmanuel Bourg
    35   * @version $Revision: 541407 $, $Date: 2007-05-24 22:03:09 +0200 (Do, 24 Mai 2007) $
    36   */
    37  public class FileURLStreamHandler extends URLStreamHandler
    38  {
    39      protected URLConnection openConnection(URL u) throws IOException
    40      {
    41          final File file = new File(u.getFile());
    42
    43          return new URLConnection(u) {
    44
    45              public void connect() throws IOException
    46              {
    47              }
    48
    49              public InputStream getInputStream() throws IOException
    50              {
    51                  return new FileInputStream(file);
    52              }
    53
    54              public OutputStream getOutputStream() throws IOException
    55              {
    56                  return new FileOutputStream(file);
    57              }
    58          };
    59      }
    60  }