/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2004 Sun
 * Microsystems, Inc. All Rights Reserved.
 */
package org.netbeans.modules.javadoc.comments;

import org.netbeans.jmi.javamodel.Resource;
import org.netbeans.jmi.javamodel.JavaClass;
import org.netbeans.jmi.javamodel.MultipartId;

import javax.jmi.reflect.JmiException;
import java.util.List;
import java.util.LinkedList;
import java.util.Iterator;

/**
 * helpers over jmi api
 */
public final class JMIUtils {
    /**
     * Gets all classes recursively, both top-level and inner.
     * @param res java resource
     * @return all classes
     * @throws javax.jmi.reflect.JmiException
     */
    public static List/**/ getAllClasses(Resource res) throws JmiException {
        List/**/ l = new LinkedList/**/();
        Iterator/**/ it = res.getClassifiers().iterator();
        while (it.hasNext()) {
            addAllClasses((JavaClass) it.next(), l);
        }
        return l;
    }

    public static String multipartIdToName(MultipartId id) {
        LinkedList list = new LinkedList();
        while (id != null) {
            
            if (id.getTypeArguments().size() > 0) {
                return "java.lang.Object"; // NOI18N
            }
            
            list.addFirst(id.getName());
            id = id.getParent();
        }
        StringBuffer buf = new StringBuffer();
        for (Iterator iter = list.iterator(); iter.hasNext();) {
            buf.append((String)iter.next());
            if (iter.hasNext())
                buf.append('.');
        }
        return buf.toString();
    }
    
    private static void addAllClasses(JavaClass jc, List/**/ container) throws JmiException {
        container.add(jc);
        Iterator it = jc.getFeatures().iterator();
        while (it.hasNext()) {
            Object feature = it.next();
            if (feature instanceof JavaClass) {
                addAllClasses((JavaClass) feature, container);
            }
        }
    }
    
}