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.MojoFailureException;
import org.apache.maven.usability.diagnostics.DiagnosisUtils;
import org.apache.maven.usability.diagnostics.ErrorDiagnoser;
public class MojoFailureExceptionDiagnoser
implements ErrorDiagnoser
{
public boolean canDiagnose( Throwable error )
{
return DiagnosisUtils.containsInCausality( error, MojoFailureException.class );
}
public String diagnose( Throwable error )
{
MojoFailureException mfe =
(MojoFailureException) DiagnosisUtils.getFromCausality( error, MojoFailureException.class );
StringBuffer message = new StringBuffer();
Object source = mfe.getSource();
if ( source != null )
{
message.append( ": " ).append( mfe.getSource() ).append( "\n" );
}
String shortMessage = mfe.getMessage();
if ( shortMessage != null )
{
message.append( shortMessage );
}
String longMessage = mfe.getLongMessage();
// the indexOf bit is very strange, but the compiler output for 1.5 source compiled using JDK 1.4 presents this case!
if ( longMessage != null && !longMessage.equals( shortMessage ) && shortMessage.indexOf( longMessage ) < 0 )
{
message.append( "\n\n" ).append( longMessage );
}
return message.toString();
}
}