1   /**
2    * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.wiki.util;
24  
25  import com.liferay.portal.kernel.search.Document;
26  import com.liferay.portal.kernel.search.DocumentImpl;
27  import com.liferay.portal.kernel.search.DocumentSummary;
28  import com.liferay.portal.kernel.search.Field;
29  import com.liferay.portal.kernel.search.Hits;
30  import com.liferay.portal.kernel.search.SearchEngineUtil;
31  import com.liferay.portal.kernel.search.SearchException;
32  import com.liferay.portal.kernel.util.HtmlUtil;
33  import com.liferay.portal.kernel.util.StringUtil;
34  import com.liferay.portal.search.lucene.LuceneUtil;
35  import com.liferay.portal.util.PortletKeys;
36  import com.liferay.portlet.wiki.service.WikiNodeLocalServiceUtil;
37  
38  import javax.portlet.PortletURL;
39  
40  import org.apache.lucene.search.BooleanQuery;
41  
42  /**
43   * <a href="Indexer.java.html"><b><i>View Source</i></b></a>
44   *
45   * @author Brian Wing Shun Chan
46   * @author Harry Mark
47   * @author Bruno Farache
48   *
49   */
50  public class Indexer implements com.liferay.portal.kernel.search.Indexer {
51  
52      public static final String PORTLET_ID = PortletKeys.WIKI;
53  
54      public static void addPage(
55              long companyId, long groupId, long nodeId, String title,
56              String content, String[] tagsEntries)
57          throws SearchException {
58  
59          try {
60              deletePage(companyId, nodeId, title);
61          }
62          catch (SearchException se) {
63          }
64  
65          Document doc = getPageDocument(
66              companyId, groupId, nodeId, title, content, tagsEntries);
67  
68          SearchEngineUtil.addDocument(companyId, doc);
69      }
70  
71      public static void deletePage(long companyId, long nodeId, String title)
72          throws SearchException {
73  
74          SearchEngineUtil.deleteDocument(companyId, getPageUID(nodeId, title));
75      }
76  
77      public static void deletePages(long companyId, long nodeId)
78          throws SearchException {
79  
80          BooleanQuery booleanQuery = new BooleanQuery();
81  
82          LuceneUtil.addRequiredTerm(booleanQuery, Field.PORTLET_ID, PORTLET_ID);
83  
84          LuceneUtil.addRequiredTerm(booleanQuery, "nodeId", nodeId);
85  
86          Hits hits = SearchEngineUtil.search(
87              companyId, booleanQuery.toString(), SearchEngineUtil.ALL_POS,
88              SearchEngineUtil.ALL_POS);
89  
90          for (int i = 0; i < hits.getLength(); i++) {
91              Document doc = hits.doc(i);
92  
93              SearchEngineUtil.deleteDocument(companyId, doc.get(Field.UID));
94          }
95      }
96  
97      public static Document getPageDocument(
98          long companyId, long groupId, long nodeId, String title,
99          String content, String[] tagsEntries) {
100 
101         content = HtmlUtil.extractText(content);
102 
103         Document doc = new DocumentImpl();
104 
105         doc.addUID(PORTLET_ID, nodeId, title);
106 
107         doc.addKeyword(Field.COMPANY_ID, companyId);
108         doc.addKeyword(Field.PORTLET_ID, PORTLET_ID);
109         doc.addKeyword(Field.GROUP_ID, groupId);
110 
111         doc.addText(Field.TITLE, title);
112         doc.addText(Field.CONTENT, content);
113 
114         doc.addModifiedDate();
115 
116         doc.addKeyword(Field.ENTRY_CLASS_PK, nodeId);
117 
118         doc.addKeyword(Field.TAGS_ENTRIES, tagsEntries);
119 
120         return doc;
121     }
122 
123     public static String getPageUID(long nodeId, String title) {
124         Document doc = new DocumentImpl();
125 
126         doc.addUID(PORTLET_ID, nodeId, title);
127 
128         return doc.get(Field.UID);
129     }
130 
131     public static void updatePage(
132             long companyId, long groupId, long nodeId, String title,
133             String content, String[] tagsEntries)
134         throws SearchException {
135 
136         Document doc = getPageDocument(
137             companyId, groupId, nodeId, title, content, tagsEntries);
138 
139         SearchEngineUtil.updateDocument(companyId, doc.get(Field.UID), doc);
140     }
141 
142     public DocumentSummary getDocumentSummary(
143         com.liferay.portal.kernel.search.Document doc, PortletURL portletURL) {
144 
145         // Title
146 
147         String title = doc.get(Field.TITLE);
148 
149         // Content
150 
151         String content = doc.get(Field.CONTENT);
152 
153         content = StringUtil.shorten(content, 200);
154 
155         // Portlet URL
156 
157         String nodeId = doc.get(Field.ENTRY_CLASS_PK);
158 
159         portletURL.setParameter("struts_action", "/wiki/view");
160         portletURL.setParameter("nodeId", nodeId);
161         portletURL.setParameter("title", title);
162 
163         return new DocumentSummary(title, content, portletURL);
164     }
165 
166     public void reIndex(String[] ids) throws SearchException {
167         try {
168             WikiNodeLocalServiceUtil.reIndex(ids);
169         }
170         catch (Exception e) {
171             throw new SearchException(e);
172         }
173     }
174 
175 }