OuterClassifierContext.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:
 *    thn
 *****************************************************************************
 *
 * Some portions of this file was previously release using the BSD License:
 */

// Copyright (c) 2003-2007 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
// documentation are copyrighted by The Regents of the University of
// California. The software program and documentation are supplied "AS
// IS", without any accompanying services from The Regents. The Regents
// does not warrant that the operation of the program will be
// uninterrupted or error-free. The end-user understands that the program
// was developed for research purposes and is advised not to rely
// exclusively on the program for any reason.  IN NO EVENT SHALL THE
// UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
// SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,
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package org.argouml.language.java.reveng.classfile;

import org.argouml.model.Model;

/**
 * This context is an outer class containing inner classes.
 *
 * @author Marcus Andersson
 */
class OuterClassifierContext extends Context {

    /** The classifier this context represents. */
    private Object mClassifier;

    /** The package this classifier belongs to */
    private Object mPackage;

    /** This is appended to classname when searching in classpath. */
    private String namePrefix;

    /** The java style name of the package. */
    private String packageJavaName;

    /**
     Create a new context from a classifier.

     @param base Based on this context.
     @param theClassifier The classifier.
     @param thePackage The package the classifier belongs to.
     @param theNamePrefix Inner class prefix, like "OuterClassname$"
    */
    public OuterClassifierContext(Context base,
				  Object theClassifier,
				  Object thePackage,
				  String theNamePrefix) {
	super(base);
	this.mClassifier = theClassifier;
	this.mPackage = thePackage;
	this.namePrefix = theNamePrefix;
	packageJavaName = getJavaName(thePackage);
    }

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

    /**
     * Get a classifier from the model. If it is not in the model, try
     * to find it with the CLASSPATH. If found, in the classpath, the
     * classifier is created and added to the model. If not found at
     * all, a datatype is created and added to the model.
     *
     * @param name The name of the classifier to find.
     * @return Found classifier.
     */
    public Object get(String name)
        throws ClassifierNotFoundException {
        return get(name, false);
    }

    public Object get(String name, boolean interfacesOnly)
	throws ClassifierNotFoundException {
	// Search in classifier
	Object iClassifier = Model.getFacade().lookupIn(mClassifier, name);

	if (iClassifier == null) {
	    Class classifier;
	    String clazzName = namePrefix + name;
	    // Special case for model
	    if (!Model.getFacade().isAModel(mPackage)) {
	        clazzName =
	            packageJavaName + "." + namePrefix + name;
	    }
	    classifier = findClass(clazzName, interfacesOnly);
	    if (classifier != null) {
                if (classifier.isInterface()) {
                    iClassifier = Model.getCoreFactory().buildInterface(name,
                            mClassifier);
                } else {
                    iClassifier = Model.getCoreFactory().buildClass(name,
                            mClassifier);
                }
            }
        }
	if (iClassifier == null && getContext() != null) {
            // Continue the search through the rest of the model
	    iClassifier = getContext().get(name, interfacesOnly);
	}
	return iClassifier;
    }
}