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1   package org.apache.maven.shared.io.location;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.io.File;
23  import java.io.IOException;
24  import java.net.URL;
25  
26  import org.codehaus.plexus.util.FileUtils;
27  
28  public class URLLocation
29      extends FileLocation
30  {
31  
32      private final URL url;
33  
34      private final String tempFilePrefix;
35  
36      private final String tempFileSuffix;
37  
38      private final boolean tempFileDeleteOnExit;
39  
40      public URLLocation( URL url, String specification, String tempFilePrefix, String tempFileSuffix,
41                          boolean tempFileDeleteOnExit )
42      {
43          super( specification );
44  
45          this.url = url;
46          this.tempFilePrefix = tempFilePrefix;
47          this.tempFileSuffix = tempFileSuffix;
48          this.tempFileDeleteOnExit = tempFileDeleteOnExit;
49      }
50  
51      protected void initFile()
52          throws IOException
53      {
54          // TODO: Log this in the debug log-level...
55          if ( unsafeGetFile() == null )
56          {
57              File tempFile = File.createTempFile( tempFilePrefix, tempFileSuffix );
58  
59              if ( tempFileDeleteOnExit )
60              {
61                  tempFile.deleteOnExit();
62              }
63  
64              FileUtils.copyURLToFile( url, tempFile );
65  
66              setFile( tempFile );
67          }
68      }
69  
70  }