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Java > Open Source Codes > org > netbeans > modules > xml > schema > model > impl > GlobalReferenceImpl


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8
9  * 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 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19
20 package org.netbeans.modules.xml.schema.model.impl;
21
22 import org.netbeans.modules.xml.schema.model.ReferenceableSchemaComponent;
23 import org.netbeans.modules.xml.xam.dom.AbstractNamedComponentReference;
24 import org.netbeans.modules.xml.xam.dom.NamedComponentReference;
25
26 /**
27  *
28  * @author Vidhya Narayanan
29  * @author rico
30  *
31  * Represents global references. Provides additional information for referenced elements
32  * such as its broken state and its changeability.
33  */
34 public class GlobalReferenceImpl<T extends ReferenceableSchemaComponent> extends AbstractNamedComponentReference<T>
35         implements NamedComponentReference<T> {
36     
37     //factory uses this
38 public GlobalReferenceImpl(T target, Class JavaDoc<T> cType, SchemaComponentImpl parent) {
39         super(target, cType, parent);
40     }
41     
42     //used by resolve methods
43 public GlobalReferenceImpl(Class JavaDoc<T> classType, SchemaComponentImpl parent, String JavaDoc refString){
44         super(classType, parent, refString);
45     }
46
47     public T get() {
48         if (getReferenced() == null) {
49             String JavaDoc namespace = getQName().getNamespaceURI();
50             namespace = namespace.length() == 0 ? null : namespace;
51             String JavaDoc localName = getLocalName();
52             T target = ((SchemaComponentImpl)getParent()).getModel().resolve(namespace, localName, getType());
53             setReferenced(target);
54         }
55         return getReferenced();
56     }
57     
58     public SchemaComponentImpl getParent() {
59         return (SchemaComponentImpl) super.getParent();
60     }
61     
62     public String JavaDoc getEffectiveNamespace() {
63         return getParent().getModel().getEffectiveNamespace(get());
64     }
65 }
66
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