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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.net.MalformedURLException;
23  import java.net.URL;
24  
25  import org.apache.maven.shared.io.logging.MessageHolder;
26  
27  /**
28   * URL Locator Strategy.
29   *
30   */
31  public class URLLocatorStrategy
32      implements LocatorStrategy
33  {
34  
35      private String tempFilePrefix = "location.";
36  
37      private String tempFileSuffix = ".url";
38  
39      private boolean tempFileDeleteOnExit = true;
40  
41      /**
42       * Create instance.
43       */
44      public URLLocatorStrategy()
45      {
46      }
47  
48      /**
49       * @param tempFilePrefix prefix.
50       * @param tempFileSuffix suffix.
51       * @param tempFileDeleteOnExit delete on exit.
52       */
53      public URLLocatorStrategy( String tempFilePrefix, String tempFileSuffix, boolean tempFileDeleteOnExit )
54      {
55          this.tempFilePrefix = tempFilePrefix;
56          this.tempFileSuffix = tempFileSuffix;
57          this.tempFileDeleteOnExit = tempFileDeleteOnExit;
58      }
59  
60      /** {@inheritDoc} */
61      public Location resolve( String locationSpecification, MessageHolder messageHolder )
62      {
63          Location location = null;
64  
65          try
66          {
67              URL url = new URL( locationSpecification );
68  
69              location = new URLLocation( url, locationSpecification, tempFilePrefix, tempFileSuffix,
70                                          tempFileDeleteOnExit );
71          }
72          catch ( MalformedURLException e )
73          {
74              messageHolder.addMessage( "Building URL from location: " + locationSpecification, e );
75          }
76  
77          return location;
78      }
79  
80  }