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From tay...@apache.org
Subject cvs commit: jakarta-jetspeed/src/java/org/apache/jetspeed/modules/actions/portlets LuceneSearchAction.java
Date Tue, 20 May 2003 17:59:31 GMT
taylor      2003/05/20 10:59:31

  Added:       src/java/org/apache/jetspeed/modules/actions/portlets
                        LuceneSearchAction.java
  Log:
  Action for Lucene Portlet
  
  Revision  Changes    Path
  1.1                  jakarta-jetspeed/src/java/org/apache/jetspeed/modules/actions/portlets/LuceneSearchAction.java
  
  Index: LuceneSearchAction.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 java.util.List;
  import org.apache.turbine.util.RunData;
  import org.apache.velocity.context.Context;
  
  import org.apache.jetspeed.portal.Portlet;
  import org.apache.jetspeed.util.PortletSessionState;
  import org.apache.jetspeed.services.lucene.LuceneSearch;
  import org.apache.jetspeed.services.lucene.SearchResult;
  import org.apache.jetspeed.services.lucene.SearchResults;
  
  /**
   * Lucene Search Actions built here
   *
   * @author <a href="mailto:taylor@apache.org">David Sean taylor</a>
   * @version $Id: LuceneSearchAction.java,v 1.1 2003/05/20 17:59:31 taylor Exp $
   */
  
  public class LuceneSearchAction extends GenericMVCAction
  {
      public final static String LUCENE_SEARCH_STRING = "lucene_search";
      public final static String LUCENE_SEARCH_RESULTS = "lucene_results";    
      public final static String LUCENE_SEARCH_RESULTSIZE = "lucene_resultsize";    
      
      /**
       * Subclasses must override this method to provide default behavior
       * for the portlet action
       */
      public void buildNormalContext(Portlet portlet, 
                                     Context context, 
                                     RunData rundata)
      throws Exception
      {     
          List results = (List)rundata.getRequest().getAttribute(LUCENE_SEARCH_RESULTS); 
         
          if (null == results)
          {
              results = (List)PortletSessionState.getAttribute(rundata, LUCENE_SEARCH_RESULTS);
              System.out.println("session results = " + results); 
              
          }
          else
          {
              System.out.println("qp results = " + results);
              PortletSessionState.setAttribute(rundata, LUCENE_SEARCH_RESULTS, results);
          }
          
          if (null != results)
          {
              context.put(LUCENE_SEARCH_RESULTS, results);
          }
          
          String searchString = (String)rundata.getParameters().getString(LUCENE_SEARCH_STRING);
          if (searchString == null || searchString.trim().length() == 0)
          {
              searchString = (String)PortletSessionState.getAttribute(rundata, LUCENE_SEARCH_STRING);
          }
          else
          {
              PortletSessionState.setAttribute(rundata, LUCENE_SEARCH_STRING, searchString);
          }
          
          context.put(LUCENE_SEARCH_STRING, searchString);
          
          if (results != null)
          {
              System.out.println("size = " + results.size());
              context.put(LUCENE_SEARCH_RESULTSIZE, new Integer(results.size()));
          }
      }
  
      public void doSearch(RunData rundata, Context context)
      {
          // get posted new target
          String searchString = (String)rundata.getParameters().getString(LUCENE_SEARCH_STRING);
          
          if (searchString == null || searchString.trim().length() == 0)
          {
              return;
          }
          
          //
          // execute the query
          //
          SearchResult result = null;
          SearchResults results  = LuceneSearch.search(searchString);
          System.out.println("Query hits = " + results.size());
          rundata.getRequest().setAttribute(LUCENE_SEARCH_RESULTS, results.getResults());
               
      }
  
  }
  
  
  
  

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