/*
    * <cvs:source>$Source: /devel/astrogrid/community/client/src/java/org/astrogrid/community/client/service/CommunityServiceCoreDelegate.java,v $</cvs:source>
    * <cvs:author>$Author: dave $</cvs:author>
    * <cvs:date>$Date: 2004/09/16 23:18:08 $</cvs:date>
    * <cvs:version>$Revision: 1.6 $</cvs:version>
    *
    * <cvs:log>
    *   $Log: CommunityServiceCoreDelegate.java,v $
    *   Revision 1.6  2004/09/16 23:18:08  dave
   *   Replaced debug logging in Community.
   *   Added stream close() to FileStore.
   *
   *   Revision 1.5.82.1  2004/09/16 09:58:48  dave
   *   Replaced debug with commons logging ....
   *
   *   Revision 1.5  2004/06/18 13:45:19  dave
   *   Merged development branch, dave-dev-200406081614, into HEAD
   *
   *   Revision 1.4.32.3  2004/06/17 15:10:03  dave
   *   Removed unused imports (PMD report).
   *
   *   Revision 1.4.32.2  2004/06/17 13:38:58  dave
   *   Tidied up old CVS log entries
   *
   * </cvs:log>
   *
   */
  package org.astrogrid.community.client.service ;
  
  import org.apache.commons.logging.Log ;
  import org.apache.commons.logging.LogFactory ;
  
  import java.rmi.RemoteException ;
  
  import org.astrogrid.community.common.service.CommunityService ;
  import org.astrogrid.community.common.service.data.ServiceStatusData ;
  
  import org.astrogrid.community.common.exception.CommunityPolicyException     ;
  import org.astrogrid.community.common.exception.CommunityServiceException    ;
  import org.astrogrid.community.common.exception.CommunitySecurityException   ;
  import org.astrogrid.community.common.exception.CommunityResourceException   ;
  import org.astrogrid.community.common.exception.CommunityIdentifierException ;
  
  /***
   * The core delegate for our service delegates.
   * This acts as a wrapper for a CommunityService, and converts RemoteExceptions into CommunityServiceException.
   * @see CommunityService
   *
   */
  public class CommunityServiceCoreDelegate
      implements CommunityService, CommunityServiceDelegate
      {
      /***
       * Our debug logger.
       *
       */
      private static Log log = LogFactory.getLog(CommunityServiceCoreDelegate.class);
  
      /***
       * Public constructor.
       *
       */
      public CommunityServiceCoreDelegate()
          {
          }
  
      /***
       * Our CommunityService.
       *
       */
      private CommunityService service = null ;
  
      /***
       * Get a reference to our CommunityService.
       *
       */
      protected CommunityService getCommunityService()
          {
          return this.service ;
          }
  
      /***
       * Set our our CommunityService.
       *
       */
      protected void setCommunityService(CommunityService service)
          {
          this.service = service ;
          }
  
      /***
       * Service health check.
       * @return ServiceStatusData with details of the Service status.
       * @throws CommunityServiceException If there is an server error.
       *
       */
      public ServiceStatusData getServiceStatus()
          throws CommunityServiceException
          {
         //
         // If we have a valid service reference.
         if (null != this.service)
             {
             //
             // Try calling the service method.
             try {
                 return this.service.getServiceStatus() ;
                 }
             //
             // Catch anything that went BANG.
             catch (RemoteException ouch)
                 {
                 throw new CommunityServiceException(
                     "WebService call failed",
                     ouch
                     ) ;
                 }
             }
         //
         // If we don't have a valid service.
         else {
             throw new CommunityServiceException(
                 "Service not initialised"
                 ) ;
             }
         }
 
     /***
      * A converter utility to unpack a CommunityServiceException from a RemoteException.
      * @throws CommunityServiceException If the RemoteException cause was a CommunityServiceException.
      *
      */
     public void serviceException(RemoteException ouch)
         throws CommunityServiceException
         {
         //
         // If the remote Exception has a cause.
         if (ouch.getCause() != null)
             {
             //
             // If the cause is a CommunityServiceException.
             if (ouch.getCause() instanceof CommunityServiceException)
                 {
                 //
                 // Re-throw the CommunityServiceException.
                 throw (CommunityServiceException) ouch.getCause() ;
                 }
             }
         }
 
     /***
      * A converter utility to unpack a CommunityIdentifierException from a RemoteException.
      * @throws CommunityIdentifierException If the RemoteException cause was a CommunityIdentifierException.
      *
      */
     public void identifierException(RemoteException ouch)
         throws CommunityIdentifierException
         {
         //
         // If the remote Exception has a cause.
         if (ouch.getCause() != null)
             {
             //
             // If the cause is a CommunityIdentifierException.
             if (ouch.getCause() instanceof CommunityIdentifierException)
                 {
                 //
                 // Re-throw the CommunityIdentifierException.
                 throw (CommunityIdentifierException) ouch.getCause() ;
                 }
             }
         }
 
     /***
      * A converter utility to unpack a CommunitySecurityException from a RemoteException.
      * @throws CommunitySecurityException If the RemoteException cause was a CommunitySecurityException.
      *
      */
     public void securityException(RemoteException ouch)
         throws CommunitySecurityException
         {
         //
         // If the remote Exception has a cause.
         if (ouch.getCause() != null)
             {
             //
             // If the cause is a CommunitySecurityException.
             if (ouch.getCause() instanceof CommunitySecurityException)
                 {
                 //
                 // Re-throw the CommunitySecurityException.
                 throw (CommunitySecurityException) ouch.getCause() ;
                 }
             }
         }
 
     /***
      * A converter utility to unpack a CommunityResourceException from a RemoteException.
      * @throws CommunityResourceException If the RemoteException cause was a CommunitySecurityException.
      *
      */
     public void resourceException(RemoteException ouch)
         throws CommunityResourceException
         {
         //
         // If the remote Exception has a cause.
         if (ouch.getCause() != null)
             {
             //
             // If the cause is a CommunityResourceException.
             if (ouch.getCause() instanceof CommunityResourceException)
                 {
                 //
                 // Re-throw the CommunityResourceException.
                 throw (CommunityResourceException) ouch.getCause() ;
                 }
             }
         }
 
     /***
      * A converter utility to unpack a CommunityPolicyException from a RemoteException.
      * @throws CommunityPolicyException If the RemoteException cause was a CommunityPolicyException.
      *
      */
     public void policyException(RemoteException ouch)
         throws CommunityPolicyException
         {
         //
         // If the remote Exception has a cause.
         if (ouch.getCause() != null)
             {
             //
             // If the cause is a CommunityPolicyException.
             if (ouch.getCause() instanceof CommunityPolicyException)
                 {
                 //
                 // Re-throw the CommunityResourceException.
                 throw (CommunityPolicyException) ouch.getCause() ;
                 }
             }
         }
 
     /***
      * A converter utility to unpack one of the CommunityExceptions from a RemoteException.
      * @throws CommunityPolicyException If the RemoteException cause was a CommunityPolicyException.
      * @throws CommunityServiceException If the RemoteException cause was a CommunityServiceException.
      * @throws CommunityIdentifierException If the RemoteException cause was a CommunityIdentifierException.
      * @throws CommunityResourceException If the RemoteException cause was a CommunityResourceException.
      * @todo Need to handle java.net.ConnectException
      * @todo Need to handle org.astrogrid.config.PropertyNotFoundException
      *
     public void convertCommunityException(RemoteException ouch)
         throws CommunityServiceException, CommunityIdentifierException, CommunityResourceException, CommunityPolicyException
         {
         //
         // If the remote Exception has a cause.
         if (ouch.getCause() != null)
             {
             //
             // If the cause is a CommunityServiceException.
             if (ouch.getCause() instanceof CommunityServiceException)
                 {
                 //
                 // Re-throw the CommunityServiceException.
                 throw (CommunityServiceException) ouch.getCause() ;
                 }
             //
             // If the cause is a CommunityIdentifierException.
             if (ouch.getCause() instanceof CommunityIdentifierException)
                 {
                 //
                 // Re-throw the CommunityIdentifierException.
                 throw (CommunityIdentifierException) ouch.getCause() ;
                 }
             //
             // If the cause is a CommunityResourceException.
             if (ouch.getCause() instanceof CommunityResourceException)
                 {
                 //
                 // Re-throw the CommunityIdentifierException.
                 throw (CommunityResourceException) ouch.getCause() ;
                 }
             //
             // If the cause is a CommunityPolicyException.
             if (ouch.getCause() instanceof CommunityPolicyException)
                 {
                 //
                 // Re-throw the CommunityPolicyException.
                 throw (CommunityPolicyException) ouch.getCause() ;
                 }
             }
         }
      */
     }