01: /*
02: * The contents of this file are subject to the terms of the Common Development
03: * and Distribution License (the License). You may not use this file except in
04: * compliance with the License.
05: *
06: * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
07: * or http://www.netbeans.org/cddl.txt.
08: *
09: * When distributing Covered Code, include this CDDL Header Notice in each file
10: * and include the License file at http://www.netbeans.org/cddl.txt.
11: * If applicable, add the following below the CDDL Header, with the fields
12: * enclosed by brackets [] replaced by your own identifying information:
13: * "Portions Copyrighted [year] [name of copyright owner]"
14: *
15: * The Original Software is NetBeans. The Initial Developer of the Original
16: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
17: * Microsystems, Inc. All Rights Reserved.
18: */
19:
20: package org.netbeans.modules.xslt.tmap.nodes;
21:
22: import java.util.Collection;
23: import java.util.Collections;
24: import java.util.List;
25: import org.netbeans.modules.xslt.tmap.model.api.TMapComponent;
26: import org.openide.util.Lookup;
27:
28: /**
29: *
30: * @author Vitaly Bychkov
31: * @version 1.0
32: */
33: public class TMapComponentNodeChildrenImpl extends
34: TMapComponentNodeChildren<TMapComponent> {
35:
36: public TMapComponentNodeChildrenImpl(TMapComponent component,
37: Lookup lookup) {
38: super (component, lookup);
39: }
40:
41: public Collection getNodeKeys() {
42: TMapComponent component = getReference();
43: if (component == null) {
44: return Collections.EMPTY_LIST;
45: }
46:
47: List<TMapComponent> childs = component.getChildren();
48: return childs != null && childs.size() > 0 ? childs
49: : Collections.EMPTY_LIST;
50: }
51: }
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