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Java > Open Source Codes > org > apache > jetspeed > modules > actions > portlets > SearchAction


1 /*
2  * Copyright 2000-2001,2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.apache.jetspeed.modules.actions.portlets;
17
18 import java.util.List JavaDoc;
19 import org.apache.turbine.util.RunData;
20 import org.apache.velocity.context.Context;
21
22 import org.apache.jetspeed.portal.Portlet;
23 import org.apache.jetspeed.util.PortletSessionState;
24 import org.apache.jetspeed.services.search.Search;
25 import org.apache.jetspeed.services.search.ParsedObject;
26 import org.apache.jetspeed.services.search.SearchResults;
27
28 /**
29  * Search Actions built here
30  *
31  * @author <a HREF="mailto:taylor@apache.org">David Sean taylor</a>
32  * @version $Id: SearchAction.java,v 1.3 2004/02/23 02:56:58 jford Exp $
33  */
34
35 public class SearchAction extends GenericMVCAction
36 {
37     public final static String JavaDoc SEARCH_STRING = "search";
38     public final static String JavaDoc SEARCH_RESULTS = "search_results";
39     public final static String JavaDoc SEARCH_RESULTSIZE = "search_resultsize";
40     
41     /**
42      * Subclasses must override this method to provide default behavior
43      * for the portlet action
44      */
45     public void buildNormalContext(Portlet portlet,
46                                    Context context,
47                                    RunData rundata)
48     throws Exception JavaDoc
49     {
50         List JavaDoc results = (List JavaDoc)rundata.getRequest().getAttribute(SEARCH_RESULTS);
51         if (null == results)
52         {
53             results = (List JavaDoc)PortletSessionState.getAttribute(rundata, SEARCH_RESULTS);
54             //System.out.println("session results = " + results);
55
56         }
57         else
58         {
59             //System.out.println("qp results = " + results);
60 PortletSessionState.setAttribute(rundata, SEARCH_RESULTS, results);
61         }
62         
63         if (null != results)
64         {
65             context.put(SEARCH_RESULTS, results);
66         }
67         
68         String JavaDoc searchString = (String JavaDoc)rundata.getParameters().getString(SEARCH_STRING);
69         if (searchString == null || searchString.trim().length() == 0)
70         {
71             searchString = (String JavaDoc)PortletSessionState.getAttribute(rundata, SEARCH_STRING);
72         }
73         else
74         {
75             PortletSessionState.setAttribute(rundata, SEARCH_STRING, searchString);
76         }
77         
78         context.put(SEARCH_STRING, searchString);
79         
80         if (results != null)
81         {
82             //System.out.println("size = " + results.size());
83 context.put(SEARCH_RESULTSIZE, new Integer JavaDoc(results.size()));
84         }
85     }
86
87     public void doSearch(RunData rundata, Context context)
88     {
89         // get posted new target
90 String JavaDoc searchString = (String JavaDoc)rundata.getParameters().getString(SEARCH_STRING);
91         
92         if (searchString == null || searchString.trim().length() == 0)
93         {
94             return;
95         }
96         
97         //
98 // execute the query
99 //
100 ParsedObject result = null;
101         SearchResults results = Search.search(searchString);
102         //System.out.println("Query hits = " + results.size());
103 rundata.getRequest().setAttribute(SEARCH_RESULTS, results.getResults());
104     }
105
106 }
107
108
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