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/*
 * 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:
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 * 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
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 */

package org.glassfish.config.support;

import org.jvnet.hk2.config.*;
import org.jvnet.hk2.component.Habitat;

import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamException;
import java.beans.PropertyChangeEvent;
import java.util.List;
import java.util.logging.Logger;
import java.util.logging.Level;
import java.util.concurrent.ExecutorService;
import java.io.IOException;

import com.sun.hk2.component.ExistingSingletonInhabitant;
import com.sun.logging.LogDomains;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.appserv.server.util.Version;

/**
 * plug our Dom implementation
 *
 * @author Jerome Dochez
 * 
 */
public class GlassFishDocument extends DomDocument {

    Logger logger = LogDomains.getLogger(GlassFishDocument.class, LogDomains.CORE_LOGGER);

    public GlassFishDocument(final Habitat habitat, final ExecutorService executor) {
        super(habitat);

        // todo, move this to an init service (Globals?)
        ExistingSingletonInhabitant executorInhab =
                new ExistingSingletonInhabitant(executor);
        
        habitat.addIndex(executorInhab, ExecutorService.class.getName(), "transactions-executor");
        habitat.addIndex(new ExistingSingletonInhabitant(this), DomDocument.class.getName(), null);

        final DomDocument doc = this;
        
        habitat.getComponent(Transactions.class).addTransactionsListener(new TransactionListener() {
            public void transactionCommited(List changes) {
                for (ConfigurationPersistence pers : habitat.getAllByContract(ConfigurationPersistence.class)) {
                    try {
                        if (doc.getRoot().getProxyType().equals(Domain.class)) {
                            Dom domainRoot = doc.getRoot();
                            domainRoot.attribute("version", Version.getBuildVersion());
                        }
                        pers.save(doc);
                    } catch (IOException e) {
                        logger.log(Level.SEVERE, "GlassFishDocument.IOException",
                                new String[] { e.getMessage() });
                        logger.log(Level.FINE, e.getMessage(), e);
                    } catch (XMLStreamException e) {
                        logger.log(Level.SEVERE, "GlassFishDocument.XMLException",
                                new String[] { e.getMessage() });
                        logger.log(Level.SEVERE, e.getMessage(), e);
                    }
                }
            }

            public void unprocessedTransactedEvents(List changes) {

            }
        });
    }

    @Override
    public GlassFishConfigBean make(final Habitat habitat, XMLStreamReader xmlStreamReader, GlassFishConfigBean dom, ConfigModel configModel) {
        // by default, people get the translated view.
        return new GlassFishConfigBean(habitat,this, dom, configModel, xmlStreamReader);
    }
}