|
Glassfish example source code file (EjbRelationshipRoleNode.java)
The Glassfish EjbRelationshipRoleNode.java source code/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ /* * EjbRelationshipRoleNode.java * * Created on February 1, 2002, 3:22 PM */ package com.sun.enterprise.deployment.node.ejb; import com.sun.enterprise.deployment.EjbBundleDescriptor; import com.sun.enterprise.deployment.EjbCMPEntityDescriptor; import com.sun.enterprise.deployment.RelationRoleDescriptor; import com.sun.enterprise.deployment.node.*; import com.sun.enterprise.deployment.xml.EjbTagNames; import org.w3c.dom.Node; import java.util.HashMap; import java.util.Map; /** * This class is responsible for handling the ejb-relationship-role xml elements * * @author Jerome Dochez * @version */ public class EjbRelationshipRoleNode extends DeploymentDescriptorNode { RelationRoleDescriptor descriptor; public EjbRelationshipRoleNode() { super(); registerElementHandler(new XMLElement(EjbTagNames.DESCRIPTION), LocalizedInfoNode.class); } /** * @return the handler registered for the subtag element of the curent XMLNode */ public XMLNode getHandlerFor(XMLElement element) { if (EjbTagNames.RELATIONSHIP_ROLE_SOURCE.equals(element.getQName())) { Map dispatchTable = new HashMap(); dispatchTable.put(EjbTagNames.DESCRIPTION, "setRoleSourceDescription"); ConfigurableNode newNode = new ConfigurableNode(getDescriptor(), dispatchTable, element); return newNode; } if (EjbTagNames.CMR_FIELD.equals(element.getQName())) { Map dispatchTable = new HashMap(); dispatchTable.put(EjbTagNames.DESCRIPTION, "setCMRFieldDescription"); ConfigurableNode newNode = new ConfigurableNode(getDescriptor(), dispatchTable, element); return newNode; } else { return super.getHandlerFor(element); } } /** * @return true if the element tag can be handled by any registered sub nodes of the * current XMLNode */ public boolean handlesElement(XMLElement element) { if (EjbTagNames.RELATIONSHIP_ROLE_SOURCE.equals(element.getQName())) { return true; } if (EjbTagNames.CMR_FIELD.equals(element.getQName())) { return true; } return super.handlesElement(element); } /** * @return the descriptor instance to associate with this XMLNode */ public Object getDescriptor() { if (descriptor==null) { descriptor = (RelationRoleDescriptor) DescriptorFactory.getDescriptor(getXMLPath()); } return descriptor; } /** * all sub-implementation of this class can use a dispatch table to map xml element to * method name on the descriptor class for setting the element value. * * @return the map with the element name as a key, the setter method as a value */ protected Map getDispatchTable() { // no need to be synchronized for now Map table = super.getDispatchTable(); table.put(EjbTagNames.EJB_RELATIONSHIP_ROLE_NAME, "setName"); table.put(EjbTagNames.CMR_FIELD_NAME, "setCMRField"); table.put(EjbTagNames.CMR_FIELD_TYPE, "setCMRFieldType"); return table; } /** * receives notification of the end of an XML element by the Parser * * @param element the xml tag identification * @return true if this node is done processing the XML sub tree */ public boolean endElement(XMLElement element) { if (EjbTagNames.CASCADE_DELETE.equals(element.getQName())) { descriptor.setCascadeDelete(true); } return super.endElement(element); } /** * receives notiification of the value for a particular tag * * @param element the xml element * @param value it's associated value */ public void setElementValue(XMLElement element, String value) { if (EjbTagNames.MULTIPLICITY.equals(element.getQName())) { if ( value.equals("Many") ) descriptor.setIsMany(true); else if ( value.equals("One") ) descriptor.setIsMany(false); else if ( value.equals("many") ) // for backward compat with 1.3 FCS descriptor.setIsMany(true); else if ( value.equals("one") ) // for backward compat with 1.3 FCS descriptor.setIsMany(false); else throw new IllegalArgumentException("Error in value of multiplicity element in EJB deployment descriptor XML: the value must be One or Many"); } else if (EjbTagNames.EJB_NAME.equals(element.getQName())) { // let's get our bunlde descriptor... EjbBundleDescriptor bundleDesc = getEjbBundleDescriptor(); EjbCMPEntityDescriptor desc = (EjbCMPEntityDescriptor)bundleDesc.getEjbByName(value); if (desc!=null){ descriptor.setPersistenceDescriptor(desc.getPersistenceDescriptor()); } else { throw new IllegalArgumentException("Cannot find ejb " + value + " in bundle for relationship " + descriptor.getName()); } } else super.setElementValue(element, value); } private EjbBundleDescriptor getEjbBundleDescriptor() { XMLNode parent = getParentNode(); Object parentDesc = parent.getDescriptor(); while (parent!=null && !(parentDesc instanceof EjbBundleDescriptor)) { parent = parent.getParentNode(); if (parent !=null) parentDesc = parent.getDescriptor(); } if (parent!=null) { return (EjbBundleDescriptor) parentDesc; } else { throw new IllegalArgumentException("Cannot find bundle descriptor"); } } /** * write the descriptor class to a DOM tree and return it * * @param parent node in the DOM tree * @param node name for the root element of this xml fragment * @param the descriptor to write * @return the DOM tree top node */ public Node writeDescriptor(Node parent, String nodeName, RelationRoleDescriptor descriptor) { Node roleNode = super.writeDescriptor(parent, nodeName, descriptor); LocalizedInfoNode localizedNode = new LocalizedInfoNode(); localizedNode.writeLocalizedMap(roleNode, EjbTagNames.DESCRIPTION, descriptor.getLocalizedDescriptions()); if (descriptor.getRelationRoleName() != null) { appendTextChild(roleNode, EjbTagNames.EJB_RELATIONSHIP_ROLE_NAME, descriptor.getRelationRoleName()); } // multiplicity if (descriptor.getIsMany()) { appendTextChild(roleNode, EjbTagNames.MULTIPLICITY, "Many"); } else { appendTextChild(roleNode, EjbTagNames.MULTIPLICITY, "One"); } // cascade-delete if (descriptor.getCascadeDelete()) { appendChild(roleNode, EjbTagNames.CASCADE_DELETE); } Node roleSourceNode = appendChild(roleNode, EjbTagNames.RELATIONSHIP_ROLE_SOURCE); appendTextChild(roleSourceNode, EjbTagNames.DESCRIPTION, descriptor.getRoleSourceDescription()); appendTextChild(roleSourceNode, EjbTagNames.EJB_NAME, descriptor.getOwner().getName()); // cmr-field if (descriptor.getCMRField() != null ) { Node cmrFieldNode = appendChild(roleNode, EjbTagNames.CMR_FIELD); // description appendTextChild(cmrFieldNode, EjbTagNames.DESCRIPTION, descriptor.getCMRFieldDescription()); // cmr-field-name appendTextChild(cmrFieldNode, EjbTagNames.CMR_FIELD_NAME, descriptor.getCMRField()); // cmr-field-type appendTextChild(cmrFieldNode, EjbTagNames.CMR_FIELD_TYPE, descriptor.getCMRFieldType()); } return roleNode; } } Other Glassfish examples (source code examples)Here is a short list of links related to this Glassfish EjbRelationshipRoleNode.java source code file: |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.