All Downloads are FREE. Search and download functionalities are using the official Maven repository.

com.sun.enterprise.deployment.node.PersistenceNode Maven / Gradle / Ivy

There is a newer version: 4.1.2.181
Show newest version
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2012 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.
 */

package com.sun.enterprise.deployment.node;

import com.sun.enterprise.deployment.PersistenceUnitDescriptor;
import com.sun.enterprise.deployment.PersistenceUnitsDescriptor;
import com.sun.enterprise.deployment.xml.PersistenceTagNames;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import org.jvnet.hk2.annotations.Service;

/**
 * Represents the top level node, i.e. persistence node in persistence.xsd.
 * Since this is a top level node, it extends {@link AbstractBundleNode}. This class
 * registers a handler {@link PersistenceNode} which is responsible for reading
 * the persistence-unit elements.
 *
 * @author [email protected]
 */
@Service
public class PersistenceNode extends AbstractBundleNode {

    public final static String SCHEMA_NS =
            "http://java.sun.com/xml/ns/persistence"; // NOI18N

    public final static String SCHEMA_ID_1_0 = "persistence_1_0.xsd"; // NOI18N

    public final static String SCHEMA_ID = "persistence_2_0.xsd"; // NOI18N

    private final static List systemIDs = initSystemIDs();

    // The XML tag associated with this Node
    public final static XMLElement ROOT_ELEMENT = new XMLElement(
            PersistenceTagNames.PERSISTENCE);

    private PersistenceUnitsDescriptor persistenceUnitsDescriptor;

    private static final String SPEC_VERSION = "2.0";

    private static List initSystemIDs() {
        List systemIDs = new ArrayList();
        systemIDs.add(SCHEMA_ID);
        systemIDs.add(SCHEMA_ID_1_0);
        return Collections.unmodifiableList(systemIDs);
    }
    
    /**
     * This is the default constructor which is also called from other
     * constructors of this class. Inside this constructor, we clear the
     * handlers set up by super classes' constructors because they are
     * not applicable in the context of PersistenceNode because
     * unlike standard Java EE schemas, persistence.xsd does not include
     * javaee_5.xsd for things like description, version etc.
     */
    public PersistenceNode() {
        // clear all the handlers set up by super classes.
        if (handlers != null) handlers.clear();
        registerElementHandler(
                new XMLElement(PersistenceTagNames.PERSISTENCE_UNIT),
                PersistenceUnitNode.class);
        SaxParserHandler.registerBundleNode(this, PersistenceTagNames.PERSISTENCE);
    }

    public PersistenceNode(PersistenceUnitsDescriptor persistenceUnitsDescriptor) {
        this();
        this.persistenceUnitsDescriptor = persistenceUnitsDescriptor;
    }

    @Override
    public PersistenceUnitsDescriptor getDescriptor() {
        return persistenceUnitsDescriptor;
    }

    // This method is called when parser has parsed one 
    @Override
    public void addDescriptor(Object descriptor) {
        final PersistenceUnitDescriptor pud = PersistenceUnitDescriptor.class.cast(descriptor);
        getDescriptor().addPersistenceUnitDescriptor(pud);
    }

    @Override
    public String registerBundle(Map publicIDToSystemIDMapping) {
        return ROOT_ELEMENT.getQName();
    }

    @Override
    public Map registerRuntimeBundle(Map publicIDToSystemIDMapping, final Map> versionUpgrades) {
        return Collections.EMPTY_MAP;
    }
    
    public String getDocType() {
        return null;
    }

    public String getSystemID() {
        return SCHEMA_ID;
    }

    public String getNameSpace() {
        return SCHEMA_NS;
    }

    /**
     * @return the XML tag associated with this XMLNode
     */
    protected XMLElement getXMLRootTag() {
        return ROOT_ELEMENT;
    }

    public List getSystemIDs() {
        return systemIDs;
    }

    public String getSpecVersion() {
        return SPEC_VERSION;
    }

    // Currently this method is commented because
    // it is not needed now as we are not writing out
    // persistence.xml file to generated directory. When we decide to
    // write out a "full" persistence.xml file, we will need this method.
    // When you uncomment, you need to check the actual logic as well.
//    @Override public Node writeDescriptor(Node parent, Descriptor descriptor) {
//        if(descriptor instanceof PersistenceUnitDescriptor) {
//            Element child = getOwnerDocument(parent).createElementNS(TagNames.PERSISTENCE_XML_NAMESPACE, PersistenceTagNames.ENTITY_MANAGER);
//            Element bundleNode = (Element)parent.appendChild(child);
//            bundleNode.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns", TagNames.PERSISTENCE_XML_NAMESPACE);
//            bundleNode.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:xsi", W3C_XML_SCHEMA_INSTANCE);
//
//            String schemaLocation = TagNames.PERSISTENCE_XML_NAMESPACE + " " + getSchemaURL();
//            String clientSchemaLocation = PersistenceUnitDescriptor.class.cast(descriptor).getSchemaLocation();
//            if (clientSchemaLocation!=null) {
//                schemaLocation = schemaLocation + " " + clientSchemaLocation;
//            }
//            bundleNode.setAttributeNS(W3C_XML_SCHEMA_INSTANCE, SCHEMA_LOCATION_TAG, schemaLocation);
//            TODO: Code for all other elements for this node goes here.
//            return bundleNode;
//        } else {
//            return super.writeDescriptor(parent, descriptor);
//        }
//    }
}




© 2015 - 2024 Weber Informatics LLC | Privacy Policy