portals-jetspeed-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From wea...@apache.org
Subject cvs commit: jakarta-jetspeed-2/commons/src/java/org/apache/jetspeed/factory JetspeedPortletFactoryProxy.java JetspeedPortletFactory.java
Date Sun, 01 Aug 2004 15:37:59 GMT
weaver      2004/08/01 08:37:59

  Added:       commons/src/java/org/apache/jetspeed/factory
                        JetspeedPortletFactoryProxy.java
  Removed:     commons/src/java/org/apache/jetspeed/factory
                        JetspeedPortletFactory.java
  Log:
  Changed to using the factory proxy.  The actual factory is now down in /portal and is assembled
using Spring.
  
  Revision  Changes    Path
  1.1                  jakarta-jetspeed-2/commons/src/java/org/apache/jetspeed/factory/JetspeedPortletFactoryProxy.java
  
  Index: JetspeedPortletFactoryProxy.java
  ===================================================================
  /*
   * Copyright 2000-2004 The Apache Software Foundation.
   * 
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   * 
   *      http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.jetspeed.factory;
  
  import javax.portlet.Portlet;
  import javax.portlet.PortletException;
  import javax.servlet.ServletConfig;
  
  import org.apache.pluto.om.portlet.PortletDefinition;
  
  /**
   * The Jetspeed Portlet Factory is a facade the process of creating portlets.
   * 
   *
   * @author <a href="mailto:david@bluesunrise.com">David Sean Taylor</a>
   * @version $Id: JetspeedPortletFactoryProxy.java,v 1.1 2004/08/01 15:37:59 weaver Exp $
   */
  public final class JetspeedPortletFactoryProxy
  {
      private static PortletFactory portletFactory;
  
      
      public JetspeedPortletFactoryProxy(PortletFactory portletFactory)
      {
          if(JetspeedPortletFactoryProxy.portletFactory == null)
          {
              JetspeedPortletFactoryProxy.portletFactory = portletFactory;
          }
          else
          {
              throw new IllegalStateException("The JetspeedPortletFactoryProxy can only be
called once.");
          }
      }
      
      
      /**
       * Gets a portlet by either creating it or returning a handle to it from the portlet
'cache'
       * 
       * @param portletDefinition The definition of the portlet
       * @return Portlet 
       * @throws PortletException
       */
      public static Portlet getPortlet(ServletConfig servletConfig, PortletDefinition portletDefinition)

          throws PortletException
      {
          verifyState();
          return portletFactory.getPortlet(servletConfig, portletDefinition);
      }
      
      /**
       * <p>
       * loadPortletClass
       * </p>
       * Loads a Portlet class by first checking Thread.currentThread().getContextClassLoader()
       * then by checking all of the ClassLoaders in <code>classLoaders</code>
until the
       * class is located or returns <code>null</code> if the Portlet class could
not be found.
       *
       * @param className
       * @return
       * @throws InstantiationException
       * @throws IllegalAccessException
       */
      public static Portlet loadPortletClass( String className ) throws InstantiationException,
IllegalAccessException
      {
         verifyState();
         return portletFactory.loadPortletClass(className);
      }
      
      /**
       * 
       * <p>
       * addClassLoader
       * </p>
       * 
       * Adds a ClassLoader to the search path, <code>classLoaders</code>, of
the JetspeedPortletFactory.
       *
       * @param cl
       */
      public static void addClassLoader(ClassLoader cl)
      {
          verifyState();
          portletFactory.addClassLoader(cl);
      }
      
      public static void reset()
      {
          portletFactory = null;
      }
      
      private static void verifyState() throws IllegalStateException
      {
          if(portletFactory == null)
          {
              throw new IllegalStateException("JetspeedPorletFactory has not been initialized.
 "+
                                              "You must first invoke the constructor with
a valid PortletFactory instance.");
          }        
      }
  
  }
  
  
  
  

---------------------------------------------------------------------
To unsubscribe, e-mail: jetspeed-dev-unsubscribe@jakarta.apache.org
For additional commands, e-mail: jetspeed-dev-help@jakarta.apache.org


Mime
View raw message