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Java > Open Source Codes > com > sun > enterprise > deployment > node > EntityManagerFactoryReferenceNode


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the License). You may not use this file except in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * Header Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23
24 package com.sun.enterprise.deployment.node;
25
26 import java.util.Map JavaDoc;
27 import org.w3c.dom.Node JavaDoc;
28
29 import com.sun.enterprise.deployment.Descriptor;
30 import com.sun.enterprise.deployment.InjectionTarget;
31 import com.sun.enterprise.deployment.EntityManagerFactoryReferenceDescriptor;
32 import com.sun.enterprise.deployment.xml.EjbTagNames;
33 import com.sun.enterprise.deployment.xml.TagNames;
34
35 /**
36  * This node handles all persistence-unit-ref xml tag elements
37  *
38  * @author Shing Wai Chan
39  * @version
40  */
41 public class EntityManagerFactoryReferenceNode extends DeploymentDescriptorNode {
42     
43     public EntityManagerFactoryReferenceNode() {
44         super();
45         registerElementHandler(new XMLElement(TagNames.INJECTION_TARGET),
46                                 InjectionTargetNode.class, "addInjectionTarget");
47     }
48     
49     /**
50      * all sub-implementation of this class can use a dispatch table to map
51      * xml element to method name on the descriptor class for setting
52      * the element value.
53      *
54      * @return the map with the element name as a key, the setter method as
55      * a value
56      */
57     protected Map JavaDoc getDispatchTable() {
58         // no need to be synchronized for now
59 Map JavaDoc table = super.getDispatchTable();
60         table.put(TagNames.PERSISTENCE_UNIT_REF_NAME, "setName");
61         table.put(TagNames.PERSISTENCE_UNIT_NAME, "setUnitName");
62         return table;
63     }
64     
65     /**
66      * write the descriptor class to a DOM tree and return it
67      *
68      * @param parent node in the DOM tree
69      * @param node name for the root element of this xml fragment
70      * @param the descriptor to write
71      * @return the DOM tree top node
72      */
73     public Node JavaDoc writeDescriptor(Node JavaDoc parent, String JavaDoc nodeName, EntityManagerFactoryReferenceDescriptor descriptor) {
74         Node JavaDoc entityMgrFactoryRefNode = appendChild(parent, nodeName);
75         writeLocalizedDescriptions(entityMgrFactoryRefNode, descriptor);
76         
77         appendTextChild(entityMgrFactoryRefNode, TagNames.PERSISTENCE_UNIT_REF_NAME, descriptor.getName());
78         appendTextChild(entityMgrFactoryRefNode, TagNames.PERSISTENCE_UNIT_NAME, descriptor.getUnitName());
79         if( descriptor.isInjectable() ) {
80             InjectionTargetNode ijNode = new InjectionTargetNode();
81             for (InjectionTarget target : descriptor.getInjectionTargets()) {
82                 ijNode.writeDescriptor(entityMgrFactoryRefNode, TagNames.INJECTION_TARGET, target);
83             }
84         }
85             
86         return entityMgrFactoryRefNode;
87     }
88 }
89
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