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.plugin.PluginConfigurationException;

 import org.apache.maven.plugin.PluginParameterException;

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

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

 import org.codehaus.plexus.component.configurator.ComponentConfigurationException;

 public class PluginConfigurationDiagnoser

     implements ErrorDiagnoser

 {

     public boolean canDiagnose( Throwable error )

     {

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

     }

     public String diagnose( Throwable error )

     {

         PluginConfigurationException pce =

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

         if ( pce instanceof PluginParameterException )

         {

             PluginParameterException exception = (PluginParameterException) pce;

             return exception.buildDiagnosticMessage();

         }

         else if ( DiagnosisUtils.containsInCausality( pce, ComponentConfigurationException.class ) )

         {

             ComponentConfigurationException cce = (ComponentConfigurationException) DiagnosisUtils.getFromCausality(

                 pce, ComponentConfigurationException.class );

             return pce.buildConfigurationDiagnosticMessage( cce );

         }

         else

         {

             return pce.getMessage();

         }

     }

 }