package org.apache.maven.usability;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you under the Apache License, Version 2.0 (the

  * "License"); you may not use this file except in compliance

  * with the License.  You may obtain a copy of the License at

  *

  *  http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an

  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

  * KIND, either express or implied.  See the License for the

  * specific language governing permissions and limitations

  * under the License.

  */

 import org.apache.maven.profiles.activation.ProfileActivationException;

 import org.apache.maven.usability.diagnostics.DiagnosisUtils;

 import org.apache.maven.usability.diagnostics.ErrorDiagnoser;

 import org.codehaus.plexus.component.repository.exception.ComponentLookupException;

 public class ProfileActivationDiagnoser

     implements ErrorDiagnoser

 {

     public boolean canDiagnose( Throwable error )

     {

         return DiagnosisUtils.containsInCausality( error, ProfileActivationException.class );

     }

     public String diagnose( Throwable error )

     {

         ProfileActivationException activationException =

             (ProfileActivationException) DiagnosisUtils.getFromCausality( error, ProfileActivationException.class );

         StringBuffer messageBuffer = new StringBuffer();

         messageBuffer.append( "Error activating profiles." );

         messageBuffer.append( "\n\nReason: " ).append( activationException.getMessage() );

         if ( DiagnosisUtils.containsInCausality( activationException, ComponentLookupException.class ) )

         {

             ComponentLookupException cle = (ComponentLookupException) DiagnosisUtils.getFromCausality(

                 activationException, ComponentLookupException.class );

             messageBuffer.append( "\n\nThere was a problem retrieving one or more profile activators." );

             messageBuffer.append( "\n" ).append( cle.getMessage() );

         }

         messageBuffer.append( "\n" );

         return messageBuffer.toString();

     }

 }