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1   package org.apache.maven.plugin.pmd;
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.IOException;
23  import java.util.HashMap;
24  import java.util.Map;
25  
26  import org.apache.maven.plugin.MojoExecutionException;
27  import org.apache.maven.plugin.MojoFailureException;
28  import org.codehaus.plexus.util.xml.pull.XmlPullParser;
29  import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
30  
31  /**
32   * Fail the build if there were any PMD violations in the source code.
33   *
34   * @since 2.0
35   * @version $Id: PmdViolationCheckMojo.html 816691 2012-05-08 15:16:42Z hboutemy $
36   * @goal check
37   * @phase verify
38   * @execute goal="pmd"
39   */
40  public class PmdViolationCheckMojo
41      extends AbstractPmdViolationCheckMojo
42  {
43      /**
44       * What priority level to fail the build on. Failures at or above this level
45       * will stop the build. Anything below will be warnings and will be
46       * displayed in the build output if verbose=true. Note: Minimum Priority = 5
47       * Maximum Priority = 0
48       *
49       * @parameter expression="${pmd.failurePriority}" default-value="5"
50       * @required
51       */
52      private int failurePriority;
53  
54      /**
55       * Skip the PMD checks.  Most useful on the command line
56       * via "-Dpmd.skip=true".
57       *
58       * @parameter expression="${pmd.skip}" default-value="false"
59       */
60      private boolean skip;
61  
62      /** {@inheritDoc} */
63      public void execute()
64          throws MojoExecutionException, MojoFailureException
65      {
66          if ( !skip )
67          {
68              executeCheck( "pmd.xml", "violation", "PMD violation", failurePriority );
69          }
70      }
71  
72      /** {@inheritDoc} */
73      protected void printError( Map item, String severity )
74      {
75  
76          StringBuffer buff = new StringBuffer( 100 );
77          buff.append( "PMD " + severity + ": " );
78          if ( item.containsKey( "class" ) )
79          {
80              if ( item.containsKey( "package" ) )
81              {
82                  buff.append( item.get( "package" ) );
83                  buff.append( "." );
84              }
85              buff.append( item.get( "class" ) );
86          }
87          else
88          {
89              buff.append( item.get( "filename" ) );
90          }
91          buff.append( ":" );
92          buff.append( item.get( "beginline" ) );
93          buff.append( " Rule:" ).append( item.get( "rule" ) );
94          buff.append( " Priority:" ).append( item.get( "priority" ) );
95          buff.append( " " ).append( item.get( "text" ) ).append( "." );
96  
97          this.getLog().info( buff.toString() );
98      }
99  
100     /** {@inheritDoc} */
101     protected Map getErrorDetails( XmlPullParser xpp )
102         throws XmlPullParserException, IOException
103     {
104         int index = 0;
105         int attributeCount = 0;
106         HashMap msgs = new HashMap();
107 
108         attributeCount = xpp.getAttributeCount();
109         while ( index < attributeCount )
110         {
111 
112             msgs.put( xpp.getAttributeName( index ), xpp.getAttributeValue( index ) );
113 
114             index++;
115         }
116 
117         // get the tag's text
118         if ( xpp.next() == XmlPullParser.TEXT )
119         {
120             msgs.put( "text", xpp.getText().trim() );
121         }
122         return msgs;
123     }
124 }