/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jbpm.pvm.internal.wire.binding;

import org.jbpm.pvm.internal.util.XmlUtil;
import org.jbpm.pvm.internal.wire.descriptor.HibernateSessionDescriptor;
import org.jbpm.pvm.internal.xml.Parse;
import org.jbpm.pvm.internal.xml.Parser;
import org.w3c.dom.Element;

/** parses a descriptor for creating a hibernate Session.
 * 
 * See schema docs for more details.
 * 
 * @author Tom Baeyens
 */
public class HibernateSessionBinding extends WireDescriptorBinding {

  public HibernateSessionBinding() {
    super("hibernate-session");
  }

  public Object parse(Element element, Parse parse, Parser parser) {
    HibernateSessionDescriptor descriptor = new HibernateSessionDescriptor();

    if (element.hasAttribute("factory")) {
      descriptor.setFactoryName(element.getAttribute("factory"));
    }
    
    Boolean tx = XmlUtil.attributeBoolean(element, "tx", false, parse);
    if (tx!=null) {
      descriptor.setTx(tx);
    }

    Boolean useCurrent = XmlUtil.attributeBoolean(element, "current", false, parse);
    // if usage of current session is specified
    if (useCurrent!=null) {
      // set it accordingly
      descriptor.setUseCurrent(useCurrent);
      // and set the default of close appropriately
      descriptor.setClose( !useCurrent );
    }
    
    Boolean close = XmlUtil.attributeBoolean(element, "close", false, parse);
    if (close!=null) {
      descriptor.setClose(close);
    }

    if (element.hasAttribute("standard-transaction")) {
      descriptor.setStandardTransactionName(element.getAttribute("standard-transaction"));
    }
    
    if (element.hasAttribute("connection")) {
      descriptor.setConnectionName(element.getAttribute("connection"));
    }

    return descriptor;
  }

}