/*
 *                 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.spi.java.project.support.ui;

import org.netbeans.api.project.SourceGroup;
import org.openide.nodes.Node;

/**
 * Factory for package views.
 * @see org.netbeans.spi.project.ui.LogicalViewProvider
 * @author Jesse Glick
 */
public class PackageView {
    
    private PackageView() {}
    
    /** Create a node which will contain package-oriented view.
     * @param group SourceGroup which should be represented.
     * @return node which will display packages in given group
     */
    public static Node createPackageView( SourceGroup group ) {
        return new PackageRootNode( group );
    }
    
    /**
     * Finds the node representing given object, if any.
     * The current implementation works only for {@link org.openide.filesystems.FileObject}s
     * and {@link org.openide.loaders.DataObject}s.
     * @param rootNode a node some descendant of which should contain the object
     * @param object object to find
     * @return a node representing the given object, or null if no such node was found
     */
    public static Node findPath(Node rootNode, Object object) {
        
        PackageRootNode.PathFinder pf = (PackageRootNode.PathFinder)rootNode.getLookup().lookup( PackageRootNode.PathFinder.class );
        
        if ( pf != null ) {
            return pf.findPath( rootNode, object );
        } else {
            return null;
        }
    }
}