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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *  http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  
20  package org.apache.geronimo.javamail.store.nntp.newsrc;
21  
22  import java.io.BufferedReader;
23  import java.io.File;
24  import java.io.FileInputStream;
25  import java.io.FileOutputStream;
26  import java.io.IOException;
27  import java.io.InputStreamReader;
28  import java.io.OutputStreamWriter;
29  import java.io.Writer;
30  
31  public class NNTPNewsrcFile extends NNTPNewsrc {
32      // source for the file data
33      File source;
34  
35      /**
36       * Construct a NNTPNewsrc object that is targetted at a file-based backing
37       * store.
38       * 
39       * @param source
40       *            The source File for the .newsrc data.
41       */
42      public NNTPNewsrcFile(File source) {
43          this.source = source;
44      }
45  
46      /**
47       * Retrieve an input reader for loading the newsrc file.
48       * 
49       * @return A BufferedReader object for reading from the newsrc file.
50       * @exception IOException
51       */
52      public BufferedReader getInputReader() throws IOException {
53          return new BufferedReader(new InputStreamReader(new FileInputStream(source)));
54      }
55  
56      /**
57       * Obtain a writer for saving a newsrc file.
58       * 
59       * @return The output writer targetted to the newsrc file.
60       * @exception IOException
61       */
62      public Writer getOutputWriter() throws IOException {
63          // open this for overwriting
64          return new OutputStreamWriter(new FileOutputStream(source, false));
65      }
66  }