ProfileActivationDiagnoser


1   package org.apache.maven.usability;
2   
3   /*
4    * Copyright 2001-2005 The Apache Software Foundation.
5    *
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * You may obtain a copy of the License at
9    *
10   *      http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  import org.apache.maven.profiles.activation.ProfileActivationException;
20  import org.apache.maven.usability.diagnostics.DiagnosisUtils;
21  import org.apache.maven.usability.diagnostics.ErrorDiagnoser;
22  import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
23  
24  public class ProfileActivationDiagnoser
25      implements ErrorDiagnoser
26  {
27  
28      public boolean canDiagnose( Throwable   error )
29      {
30          return DiagnosisUtils.containsInCausality( error, ProfileActivationException.class );
31      }
32  
33      public String   diagnose( Throwable   error )
34      {
35          ProfileActivationException activationException =
36              (ProfileActivationException) DiagnosisUtils.getFromCausality( error, ProfileActivationException.class );
37  
38          StringBuffer   messageBuffer = new StringBuffer  ();
39  
40          messageBuffer.append( "Error activating profiles." );
41          messageBuffer.append( "\n\nReason: " ).append( activationException.getMessage() );
42  
43          if ( DiagnosisUtils.containsInCausality( activationException, ComponentLookupException.class ) )
44          {
45              ComponentLookupException cle = (ComponentLookupException) DiagnosisUtils.getFromCausality(
46                  activationException, ComponentLookupException.class );
47  
48              messageBuffer.append( "\n\nThere was a problem retrieving one or more profile activators." );
49              messageBuffer.append( "\n" ).append( cle.getMessage() );
50          }
51  
52          messageBuffer.append( "\n" );
53  
54          return messageBuffer.toString();
55      }
56  
57  }
58
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