/*
 * IronJacamar, a Java EE Connector Architecture implementation
 * Copyright 2008-2009, Red Hat Inc, 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.jca.deployers.fungal;

import org.jboss.jca.core.api.management.DataSource;
import org.jboss.jca.core.api.management.ManagementRepository;
import org.jboss.jca.core.bootstrapcontext.BootstrapContextCoordinator;
import org.jboss.jca.core.connectionmanager.ConnectionManager;
import org.jboss.jca.core.naming.ExplicitJndiStrategy;
import org.jboss.jca.core.spi.naming.JndiStrategy;
import org.jboss.jca.core.spi.rar.ResourceAdapterRepository;
import org.jboss.jca.core.spi.transaction.recovery.XAResourceRecovery;
import org.jboss.jca.core.spi.transaction.recovery.XAResourceRecoveryRegistry;
import org.jboss.jca.deployers.DeployersLogger;

import java.io.Closeable;
import java.io.IOException;
import java.net.URL;
import java.util.List;

import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.resource.spi.ResourceAdapter;

import org.jboss.logging.Logger;

import com.github.fungal.spi.deployers.Deployment;

/**
 * A datasource deployment for JCA/SJC
 * @author <a href="mailto:jesper.pedersen@ironjacamar.org">Jesper Pedersen</a>
 */
public class DsXmlDeployment implements Deployment
{
   /** The logger */
   private static DeployersLogger log = 
      Logger.getMessageLogger(DeployersLogger.class, DsXmlDeployment.class.getName());

   /** The deployment */
   private URL deployment;

   /** The deployment name */
   private String deploymentName;

   /** The resource adapter instance */
   private ResourceAdapter ra;

   /** The resource adapter instance key */
   private String raKey;

   /** The bootstrap context identifier */
   private String bootstrapContextId;

   /** The resource adapter repository */
   private ResourceAdapterRepository rar;

   /** The connection factories */
   private Object[] cfs;

   /** The JNDI names */
   private String[] jndis;

   /** The connection managers */
   private ConnectionManager[] cms;

   /** XAResource recovery modules */
   private XAResourceRecovery[] recoveryModules;

   /** XAResource recovery registry */
   private XAResourceRecoveryRegistry recoveryRegistry;

   /** The data source management view */
   private DataSource[] dataSources;

   /** The management repository */
   private ManagementRepository managementRepository;

   /** JMX MBean's */
   private List<ObjectName> objectNames;

   /** The MBean server */
   private MBeanServer mbeanServer;

   /** The classloader */
   private ClassLoader cl;

   /**
    * Constructor
    * @param deployment The deployment
    * @param deploymentName The unique deployment name
    * @param ra The resource adapter instance if present
    * @param raKey The resource adapter instance key if present
    * @param bootstrapContextId The bootstrap context identifier
    * @param resourceAdapterRepository The resource adapter repository
    * @param cfs The connection factories
    * @param jndis The JNDI names for the factories
    * @param cms The connection managers
    * @param recoveryModules The recovery modules
    * @param recoveryRegistry The recovery registry
    * @param dataSources The management view of the datasources
    * @param managementRepository The management repository
    * @param onames The object names for the JMX MBeans
    * @param mbeanServer The MBeanServer
    * @param cl The classloader
    */
   public DsXmlDeployment(URL deployment, 
                          String deploymentName,
                          ResourceAdapter ra, String raKey, String bootstrapContextId,
                          ResourceAdapterRepository resourceAdapterRepository,
                          Object[] cfs, String[] jndis, ConnectionManager[] cms,
                          XAResourceRecovery[] recoveryModules, XAResourceRecoveryRegistry recoveryRegistry,
                          DataSource[] dataSources, ManagementRepository managementRepository,
                          List<ObjectName> onames, MBeanServer mbeanServer,
                          ClassLoader cl)
   {
      this.deployment = deployment;
      this.deploymentName = deploymentName;
      this.ra = ra;
      this.raKey = raKey;
      this.bootstrapContextId = bootstrapContextId;
      this.rar = resourceAdapterRepository;
      this.cfs = cfs;
      this.jndis = jndis;
      this.cms = cms;
      this.recoveryModules = recoveryModules;
      this.recoveryRegistry = recoveryRegistry;
      this.dataSources = dataSources;
      this.managementRepository = managementRepository;
      this.objectNames = onames;
      this.mbeanServer = mbeanServer;
      this.cl = cl;
   }

   /**
    * Get the unique URL for the deployment
    * @return The URL
    */
   @Override
   public URL getURL()
   {
      return deployment;
   }

   /**
    * Get the classloader
    * @return The classloader
    */
   @Override
   public ClassLoader getClassLoader()
   {
      return cl;
   }

   /**
    * Stop
    */
   public void stop()
   {
      if (log.isDebugEnabled())
      {
         log.debug("Undeploying: " + deployment.toExternalForm());
      }
      if (objectNames != null && mbeanServer != null)
      {
         for (ObjectName on : objectNames)
         {
            try
            {
               mbeanServer.unregisterMBean(on);
            }
            catch (Throwable t)
            {
               log.warn("Exception during JMX unregistering", t);
            }
         }
      }

      if (dataSources != null && managementRepository != null)
      {
         for (DataSource mgtDs : dataSources)
         {
            managementRepository.getDataSources().remove(mgtDs);
         }
      }

      if (recoveryModules != null && recoveryRegistry != null)
      {
         for (XAResourceRecovery recovery : recoveryModules)
         {
            if (recovery != null)
            {
               try
               {
                  recovery.shutdown();
               }
               catch (Exception e)
               {
                  log.error("Error during recovery shutdown", e);
               }
               finally
               {
                  recoveryRegistry.removeXAResourceRecovery(recovery);
               }
            }
         }
      }

      if (cms != null)
      {
         for (ConnectionManager cm : cms)
         {
            cm.shutdown();
         }
      }

      if (cfs != null)
      {
         JndiStrategy jndiStrategy = new ExplicitJndiStrategy();

         try
         {
            jndiStrategy.unbindConnectionFactories(deploymentName, cfs, jndis);

            for (String jndi : jndis)
            {
               log.infof("Unbound data source at: %s", jndi);
            }
         }
         catch (Throwable t)
         {
            log.warn("Exception during JNDI unbinding", t);
         }
      }
      
      if (raKey != null && rar != null)
      {
         try
         {
            rar.unregisterResourceAdapter(raKey);
         }
         catch (org.jboss.jca.core.spi.rar.NotFoundException nfe)
         {
            log.warn("Exception during unregistering deployment", nfe);
         }
      }

      if (ra != null)
      {
         ra.stop();
         ra = null;

         if (bootstrapContextId != null)
            BootstrapContextCoordinator.getInstance().removeBootstrapContext(bootstrapContextId);
      }
   }

   /**
    * Destroy
    */
   public void destroy()
   {
      if (cl != null && cl instanceof Closeable)
      {
         try
         {
            ((Closeable) cl).close();
         }
         catch (IOException ioe)
         {
            // Swallow
         }
      }
   }
}
