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1   package org.apache.maven.plugins.jdeps.consumers;
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.util.HashMap;
23  import java.util.Map;
24  import java.util.regex.Matcher;
25  import java.util.regex.Pattern;
26  
27  import org.codehaus.plexus.util.cli.CommandLineUtils;
28  import org.codehaus.plexus.util.cli.StreamConsumer;
29  
30  /**
31   * Consumes the output of the jdeps tool
32   *  
33   * @author Robert Scholte
34   *
35   */
36  public class JDepsConsumer
37      extends CommandLineUtils.StringStreamConsumer
38      implements StreamConsumer
39  {
40  
41      /**
42       * JDK8 Windows: JDK internal API (rt.jar)
43       * JDK8 Linux:   JDK internal API (JDK removed internal API)
44       * JDK9:         JDK internal API (java.base)
45       */
46      private static final Pattern JDKINTERNALAPI = Pattern.compile( ".+->\\s([a-z\\.]+)\\s+(JDK internal API .+)" );
47  
48      /**
49       * <dl>
50       *  <dt>key</dt><dd>The offending package</dd>
51       *  <dt>value</dt><dd>Offending details</dd>
52       * </dl>
53       */
54      private Map<String, String> offendingPackages = new HashMap<String, String>();
55  
56      private static final Pattern PROFILE = Pattern.compile( "\\s+->\\s([a-z\\.]+)\\s+(\\S+)" );
57  
58      /**
59       * <dl>
60       *  <dt>key</dt><dd>The package</dd>
61       *  <dt>value</dt><dd>The profile</dd>
62       * </dl>
63       */
64      private Map<String, String> profiles = new HashMap<String, String>();
65  
66      
67      public void consumeLine( String line )
68      {
69          super.consumeLine( line );
70          Matcher matcher;
71          
72          matcher = JDKINTERNALAPI.matcher( line );
73          if ( matcher.matches() )
74          {
75              offendingPackages.put( matcher.group( 1 ), matcher.group( 2 ) );
76              return;
77          }
78          
79          matcher = PROFILE.matcher( line );
80          if ( matcher.matches() )
81          {
82              profiles.put( matcher.group( 1 ), matcher.group( 2 ) );
83              return;
84          }
85      }
86  
87      public Map<String, String> getOffendingPackages()
88      {
89          return offendingPackages;
90      }
91      
92      public Map<String, String> getProfiles()
93      {
94          return profiles;
95      }
96  
97  }