Groovy example source code file (LocatedMessage.java)

This example Groovy source code file (LocatedMessage.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Groovy tags/keywords

cstnode, cstnode, io, locatedmessage, locatedmessage, no, object, printwriter, relevant, simplemessage, source, sourceunit, sourceunit, string, string

The Groovy LocatedMessage.java source code

/*
 * 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.SourceUnit;
import org.codehaus.groovy.syntax.CSTNode;



/**
 *  A base class for compilation messages.
 *
 *  @author <a href="mailto:cpoirier@dreaming.org">Chris Poirier
 *
 *  @version $Id: LocatedMessage.java 12294 2008-05-05 04:00:19Z shemnon $
 */

public class LocatedMessage extends SimpleMessage
{
    protected CSTNode context;  // The CSTNode that indicates the location to which the message applies
    
    public LocatedMessage( String message, CSTNode context, SourceUnit source ) 
    {
        super( message, source );
        this.context = context;
    }
    
    
    public LocatedMessage( String message, Object data, CSTNode context, SourceUnit source ) 
    {
        super( message, data, source );
        this.context = context;
    }
    
    
    public void write( PrintWriter writer, Janitor janitor )
    {
        if (owner instanceof SourceUnit) {
            SourceUnit source = (SourceUnit) owner;

            String name   = source.getName();
            int    line   = context.getStartLine();
            int    column = context.getStartColumn();
            String sample = source.getSample( line, column, janitor );

            if( sample != null )
            {
                writer.println( source.getSample(line, column, janitor) );
            }

            writer.println( name + ": " + line + ": " + this.message );
            writer.println("");
        } else {
            writer.println( "<No Relevant Source>: " + this.message );
            writer.println("");
        }
    }
    
}