View Javadoc

1   package org.apache.maven.usability;
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 org.apache.maven.profiles.activation.ProfileActivationException;
23  import org.apache.maven.usability.diagnostics.DiagnosisUtils;
24  import org.apache.maven.usability.diagnostics.ErrorDiagnoser;
25  import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
26  
27  public class ProfileActivationDiagnoser
28      implements ErrorDiagnoser
29  {
30  
31      public boolean canDiagnose( Throwable error )
32      {
33          return DiagnosisUtils.containsInCausality( error, ProfileActivationException.class );
34      }
35  
36      public String diagnose( Throwable error )
37      {
38          ProfileActivationException activationException =
39              (ProfileActivationException) DiagnosisUtils.getFromCausality( error, ProfileActivationException.class );
40  
41          StringBuffer messageBuffer = new StringBuffer();
42  
43          messageBuffer.append( "Error activating profiles." );
44          messageBuffer.append( "\n\nReason: " ).append( activationException.getMessage() );
45  
46          if ( DiagnosisUtils.containsInCausality( activationException, ComponentLookupException.class ) )
47          {
48              ComponentLookupException cle = (ComponentLookupException) DiagnosisUtils.getFromCausality(
49                  activationException, ComponentLookupException.class );
50  
51              messageBuffer.append( "\n\nThere was a problem retrieving one or more profile activators." );
52              messageBuffer.append( "\n" ).append( cle.getMessage() );
53          }
54  
55          messageBuffer.append( "\n" );
56  
57          return messageBuffer.toString();
58      }
59  
60  }