/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2009, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file 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.jboss.webservices.integration.deployers.deployment;

import java.util.HashMap;
import java.util.Map;

import org.jboss.deployers.structure.spi.DeploymentUnit;
import org.jboss.webservices.integration.util.ASHelper;
import org.jboss.wsf.spi.deployment.Deployment.DeploymentType;

/**
 * JBossWS deployment model builder.
 *
 * @author <a href="mailto:ropalka@redhat.com">Richard Opalka</a>
 */
public final class WSDeploymentBuilder
{

   /** Builder instance. */
   private static final WSDeploymentBuilder SINGLETON = new WSDeploymentBuilder();

   /** Builders registry. */
   private static final Map<DeploymentType, DeploymentModelBuilder> builders = new HashMap<DeploymentType, DeploymentModelBuilder>();;

   static
   {
      WSDeploymentBuilder.builders.put(DeploymentType.JAXWS_JSE, new DeploymentModelBuilderJAXWS_JSE());
      WSDeploymentBuilder.builders.put(DeploymentType.JAXRPC_JSE, new DeploymentModelBuilderJAXRPC_JSE());
      WSDeploymentBuilder.builders.put(DeploymentType.JAXWS_EJB3, new DeploymentModelBuilderJAXWS_EJB3());
      WSDeploymentBuilder.builders.put(DeploymentType.JAXRPC_EJB21, new DeploymentModelBuilderJAXRPC_EJB21());
   }

   /**
    * Constructor.
    */
   private WSDeploymentBuilder()
   {
      super();
   }

   /**
    * Factory method for obtaining builder instance. 
    * 
    * @return builder instance
    */
   public static WSDeploymentBuilder getInstance()
   {
      return WSDeploymentBuilder.SINGLETON;
   }

   /**
    * Builds JBossWS deployment model if web service deployment is detected.
    * 
    * @param unit deployment unit
    */
   public void build(final DeploymentUnit unit)
   {
      final DeploymentType deploymentType = ASHelper.getOptionalAttachment(unit, DeploymentType.class);

      if (deploymentType != null)
      {
         WSDeploymentBuilder.builders.get(deploymentType).newDeploymentModel(unit);
      }
   }

}
