ArtifactNotFoundDiagnoser


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.artifact.manager.WagonManager;
20  import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
21  import org.apache.maven.usability.diagnostics.DiagnosisUtils;
22  import org.apache.maven.usability.diagnostics.ErrorDiagnoser;
23  
24  public class ArtifactNotFoundDiagnoser
25      implements ErrorDiagnoser
26  {
27  
28      private WagonManager wagonManager;
29  
30      public boolean canDiagnose( Throwable   error )
31      {
32          return DiagnosisUtils.containsInCausality( error, ArtifactNotFoundException.class );
33      }
34  
35      public String   diagnose( Throwable   error )
36      {
37          ArtifactNotFoundException exception =
38              (ArtifactNotFoundException) DiagnosisUtils.getFromCausality( error, ArtifactNotFoundException.class );
39  
40          StringBuffer   message = new StringBuffer  ();
41  
42          message.append( "Failed to resolve artifact.\n" );
43          message.append( "\nGroupId: " ).append( exception.getGroupId() );
44          message.append( "\nArtifactId: " ).append( exception.getArtifactId() );
45          message.append( "\nVersion: " ).append( exception.getVersion() );
46          message.append( "\n\n" );
47          message.append( "Reason: " ).append( exception.getMessage() );
48  
49          if ( !wagonManager.isOnline() )
50          {
51              message.append( "\n" ).append( SystemWarnings.getOfflineWarning() );
52          }
53  
54          message.append( "\n" );
55  
56          return message.toString();
57      }
58  
59  }
60
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