/**
   * Set the specified resources in the naming context.
   *
   * @param resourceEnvRef the resource reference
   */
  public void addResourceEnvRef(ContextResourceEnvRef resourceEnvRef) {

    // Create a reference to the resource env.
    Reference ref = new ResourceEnvRef(resourceEnvRef.getType());
    // Adding the additional parameters, if any
    Iterator<String> params = resourceEnvRef.listProperties();
    while (params.hasNext()) {
      String paramName = params.next();
      String paramValue = (String) resourceEnvRef.getProperty(paramName);
      StringRefAddr refAddr = new StringRefAddr(paramName, paramValue);
      ref.add(refAddr);
    }
    try {
      if (logger.isDebugEnabled())
        log.debug("  Adding resource env ref " + resourceEnvRef.getName());
      createSubcontexts(envCtx, resourceEnvRef.getName());
      envCtx.bind(resourceEnvRef.getName(), ref);
    } catch (NamingException e) {
      logger.error(sm.getString("naming.bindFailed", e));
    }
  }
  /**
   * Process a property change on the naming resources, by making the corresponding addition or
   * removal to the associated JNDI context.
   *
   * @param name Property name of the change to be processed
   * @param oldValue The old value (or <code>null</code> if adding)
   * @param newValue The new value (or <code>null</code> if removing)
   */
  private void processGlobalResourcesChange(String name, Object oldValue, Object newValue) {

    if (name.equals("ejb")) {
      if (oldValue != null) {
        ContextEjb ejb = (ContextEjb) oldValue;
        if (ejb.getName() != null) {
          removeEjb(ejb.getName());
        }
      }
      if (newValue != null) {
        ContextEjb ejb = (ContextEjb) newValue;
        if (ejb.getName() != null) {
          addEjb(ejb);
        }
      }
    } else if (name.equals("environment")) {
      if (oldValue != null) {
        ContextEnvironment env = (ContextEnvironment) oldValue;
        if (env.getName() != null) {
          removeEnvironment(env.getName());
        }
      }
      if (newValue != null) {
        ContextEnvironment env = (ContextEnvironment) newValue;
        if (env.getName() != null) {
          addEnvironment(env);
        }
      }
    } else if (name.equals("localEjb")) {
      if (oldValue != null) {
        ContextLocalEjb ejb = (ContextLocalEjb) oldValue;
        if (ejb.getName() != null) {
          removeLocalEjb(ejb.getName());
        }
      }
      if (newValue != null) {
        ContextLocalEjb ejb = (ContextLocalEjb) newValue;
        if (ejb.getName() != null) {
          addLocalEjb(ejb);
        }
      }
    } else if (name.equals("resource")) {
      if (oldValue != null) {
        ContextResource resource = (ContextResource) oldValue;
        if (resource.getName() != null) {
          removeResource(resource.getName());
        }
      }
      if (newValue != null) {
        ContextResource resource = (ContextResource) newValue;
        if (resource.getName() != null) {
          addResource(resource);
        }
      }
    } else if (name.equals("resourceEnvRef")) {
      if (oldValue != null) {
        ContextResourceEnvRef resourceEnvRef = (ContextResourceEnvRef) oldValue;
        if (resourceEnvRef.getName() != null) {
          removeResourceEnvRef(resourceEnvRef.getName());
        }
      }
      if (newValue != null) {
        ContextResourceEnvRef resourceEnvRef = (ContextResourceEnvRef) newValue;
        if (resourceEnvRef.getName() != null) {
          addResourceEnvRef(resourceEnvRef);
        }
      }
    } else if (name.equals("resourceLink")) {
      if (oldValue != null) {
        ContextResourceLink rl = (ContextResourceLink) oldValue;
        if (rl.getName() != null) {
          removeResourceLink(rl.getName());
        }
      }
      if (newValue != null) {
        ContextResourceLink rl = (ContextResourceLink) newValue;
        if (rl.getName() != null) {
          addResourceLink(rl);
        }
      }
    } else if (name.equals("service")) {
      if (oldValue != null) {
        ContextService service = (ContextService) oldValue;
        if (service.getName() != null) {
          removeService(service.getName());
        }
      }
      if (newValue != null) {
        ContextService service = (ContextService) newValue;
        if (service.getName() != null) {
          addService(service);
        }
      }
    }
  }