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Posted to jetspeed-dev@portals.apache.org by ra...@apache.org on 2001/06/04 19:38:22 UTC

cvs commit: jakarta-jetspeed/src/java/org/apache/jetspeed/modules/actions/portlets RegistryBrowseAction.java

raphael     01/06/04 10:38:22

  Added:       src/java/org/apache/jetspeed/modules/actions/portlets
                        RegistryBrowseAction.java
  Log:
  add a simple (still incomplete) Regsitry browser portlet
  
  Revision  Changes    Path
  1.1                  jakarta-jetspeed/src/java/org/apache/jetspeed/modules/actions/portlets/RegistryBrowseAction.java
  
  Index: RegistryBrowseAction.java
  ===================================================================
  /* ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2000-2001 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "Apache" and "Apache Software Foundation" and
   *     "Apache Jetspeed" must not be used to endorse or promote products
   *    derived from this software without prior written permission. For
   *    written permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache" or
   *    "Apache Jetspeed", nor may "Apache" appear in their name, without
   *    prior written permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
   
  package org.apache.jetspeed.modules.actions.portlets;
  
  import org.apache.jetspeed.portal.portlets.VelocityPortlet;
  import org.apache.jetspeed.services.Registry;
  import org.apache.jetspeed.om.newregistry.RegistryEntry;
  
  // Turbine stuff
  import org.apache.turbine.util.Log;
  import org.apache.turbine.util.RunData;
  
  // Velocity Stuff
  import org.apache.velocity.context.Context;
  
  import java.util.Vector;
  import java.util.Iterator;
  
  /**
   * This action enables to browse any of the system registries for displaying
   * available entries and information on these entries
   * 
   * @author <a href="mailto:raphael@apache.org">Rapha�l Luta</a>
   */
  public class RegistryBrowseAction extends VelocityPortletAction
  {
  
      /** 
       * Subclasses must override this method to provide default behavior 
       * for the portlet action
       */
      protected void buildNormalContext( VelocityPortlet portlet, 
                                         Context context,
                                         RunData rundata )
      {
          int start = rundata.getParameters().getInt("start",0);
          
          if (start < 0) start = 0;
  
          String pageSize = portlet.getPortletConfig()
                                   .getInitParameter("page-size","20");
  
          int size = Integer.parseInt(pageSize);
  
          int next = start+size;
          int prev = start-size;
                  
          String regName = portlet.getPortletConfig()
                                  .getInitParameter("registry",Registry.PORTLET);
  
          Iterator i = Registry.get(regName).listEntryNames();
          Vector entries = new Vector();
          
          int count = 0;
  
          while(i.hasNext() && (count < next) )
          {
              String name = (String)i.next();
              
              RegistryEntry regEntry = Registry.getEntry(regName,name);
      
              if ( (regEntry!=null) && (!regEntry.isHidden()) )
              {
                  if (count >= start)
                  {
                      entries.add(regEntry);
                  }
                  count++;
              }
          }
                      
          context.put("registry", entries);
          if (start > 0)
          {
              context.put("prev",String.valueOf(prev));
          }
          if (    (count == next-1) 
               && ( count < Registry.get(regName).getEntryCount() ) )
          {
              context.put("next",String.valueOf(next));
          }
      }
  }
  
  
  

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