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/*
 * Copyright 2003-2007 the original author or authors.
 *
 * Licensed 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.
 */

package org.codehaus.groovy.control.messages;

import java.io.PrintWriter;

import org.codehaus.groovy.control.Janitor;
import org.codehaus.groovy.control.ProcessingUnit;



/**
 *  A class for error messages produced by the parser system.
 *
 *  @author Chris Poirier
 *
 *  @version $Id$
 */

public class ExceptionMessage extends Message
{
    protected boolean verbose = true;

    private Exception cause = null;   // The exception source of the message, if any
    ProcessingUnit owner = null;

    public ExceptionMessage( Exception cause, boolean v, ProcessingUnit owner )
    {
        this.verbose = v;
        this.cause = cause;
        this.owner = owner;
    }
    
    
   
   /**
    *  Returns the underlying Exception.
    */

    public Exception getCause()
    {
        return this.cause;
    }
    


   /**
    *  Writes out a nicely formatted summary of the exception. 
    */
    
    public void write( PrintWriter output, Janitor janitor )
    {
        String description = "General error during " + owner.getPhaseDescription() + ": "; 
        
        String message = cause.getMessage();
        if( message != null )
        {
            output.println( description + message );
        }
        else
        {
            output.println( description + cause );
        }
        output.println();

        //if (verbose) {
            cause.printStackTrace(output);
        //}
    }
    
}







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