/*
*
* ====================================================================
*
* The Apache Software License, Version 1.1
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* Copyright (c) 1999 The Apache Software Foundation. All rights
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package org.apache.commons.jelly.tags.werkz;
import com.werken.werkz.Goal;
import com.werken.werkz.Project;
import org.apache.commons.jelly.JellyException;
import org.apache.commons.jelly.TagSupport;
/**
* The abstract base class for Werkz child tags
*
* @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
* @version $Revision: 1.8 $
*/
public abstract class WerkzTagSupport extends TagSupport {
public WerkzTagSupport(boolean trim) {
super( trim );
}
public WerkzTagSupport() {
}
// Implementation methods
//-------------------------------------------------------------------------
/**
* @return the goal of the given name or
* throws a JellyExceptoin if the goal could not be found
*/
protected Goal getGoal(String name) throws JellyException {
Project project = getProject();
if ( project == null ) {
throw new JellyException( "Must use this tag inside a <maven:project> tag" );
}
// #### allow lazy creation of callbacks before the goal is defined...
Goal goal = project.getGoal(name, true);
if ( goal == null ) {
throw new JellyException( "No such target name: " + name );
}
return goal;
}
/**
* @return the goal manager instance
*/
protected Project getProject() {
ProjectTag tag = (ProjectTag) findAncestorWithClass(ProjectTag.class);
if ( tag != null) {
return tag.getProject();
}
return (Project) context.findVariable( "org.apache.commons.jelly.werkz.Project" );
}
}