cvs commit: jakarta-jetspeed-2/taglibs/treecontrol/src/java/org/apache/jetspeed/portlets/tags PortletTreeControlTag.java

[jf...@apache.org]

jford       2004/07/05 10:01:18

  Added:       taglibs/treecontrol/src/java/org/apache/jetspeed/portlets/tags
                        PortletTreeControlTag.java
  Log:
  New taglibs subject
  
  Revision  Changes    Path
  1.1                  jakarta-jetspeed-2/taglibs/treecontrol/src/java/org/apache/jetspeed/portlets/tags/PortletTreeControlTag.java
  
  Index: PortletTreeControlTag.java
  ===================================================================
  /*
   * Copyright 2001,2004 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.portlets.tags;
  
  import javax.portlet.PortletRequest;
  import javax.servlet.jsp.JspException;
  
  import org.apache.webapp.admin.TreeControl;
  import org.apache.webapp.admin.TreeControlTag;
  
  /**
   * @author <a href="mailto:jford@apache.org">Jeremy Ford</a>
   */
  public class PortletTreeControlTag extends TreeControlTag
  {
      private static final String PORTLET_REQUEST = "portlet_request";
      private static final String PORTLET_SESSION = "portlet_session";
      
      public void setScope(String scope) {
          if (!PORTLET_REQUEST.equals(scope) &&
              !PORTLET_SESSION.equals(scope)
              )
          {
              super.setScope(scope);
          }
  
          this.scope = scope;
      }
  	
  	/**
       * Return the <code>TreeControl</code> instance for the tree control that
       * we are rendering.
       *
       * @exception JspException if no TreeControl instance can be found
       */
      protected TreeControl getTreeControl() throws JspException {
  
          Object treeControl = null;
          
          PortletRequest renderRequest = (PortletRequest) pageContext.findAttribute("javax.portlet.request");
          if(PORTLET_REQUEST.equals(scope))
          {
              
              treeControl = renderRequest.getAttribute(tree);
          }
          else if(PORTLET_SESSION.equals(scope))
          {
              treeControl = renderRequest.getPortletSession().getAttribute(tree);
          }
              	
          if (treeControl == null)
          {
              treeControl = super.getTreeControl();
          }
         
          return (TreeControl)treeControl;
      }
  }
  
  
  

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