ClassifierContext.java

/* $Id$
 *****************************************************************************
 * Copyright (c) 2009 Contributors - see below
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    tfmorris
 *****************************************************************************
 *
 * Some portions of this file was previously release using the BSD License:
 */

// Copyright (c) 1996-2007 The Regents of the University of California. All
// Rights Reserved. Permission to use, copy, modify, and distribute this
// software and its documentation without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph appear in all copies.  This software program and
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/*
  JavaRE - Code generation and reverse engineering for UML and Java
  Copyright (C) 2000 Marcus Andersson andersson@users.sourceforge.net
*/

package org.argouml.uml.reveng.idl;

import org.argouml.model.Model;

/**
   This context is a specific classifier.
*/
class ClassifierContext extends Context
{
    /** The classifier this context represents. */
    private Object mClassifier;

    /**
       Create a new context from a classifier.

       @param base Based on this context.
       @param classifier Represents this classifier.
    */
    public ClassifierContext(Context base, Object classifier)
    {
	super(base);
	this.mClassifier = classifier;
    }

    public Object getInterface(String name)
	throws ClassifierNotFoundException
    {
        return get(name, true);
    }

    /**
     * Get the classifier for a given name
     *
     * @param classifierName The name of the classifier to retrieve.
     * @return A classifier for the name.
     */
    public Object get(String classifierName) 
    throws ClassifierNotFoundException {
        return get(classifierName, false);
    }
    
    /**
     * Get the classifier for a given name
     * 
     * @param classifierName
     *            The name of the classifier to retrieve.
     * @return A classifier for the name.
     */
    public Object get(String classifierName, boolean interfacesOnly)
	throws ClassifierNotFoundException
    {
	// Check if it is this classifier
	if (classifierName.equals(Model.getFacade().getName(mClassifier))
                && (!interfacesOnly || Model.getFacade().isAInterface(
                        mClassifier))) {
	    return mClassifier;
	}
	else {
	    // Continue the search through the rest of the model
	    if (getContext() != null) {
		return getContext().get(classifierName, interfacesOnly);
	    }
	    else {
		return null;
	    }
	}
    }
}