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.BooleanQuery;
26  import com.liferay.portal.kernel.search.BooleanQueryFactoryUtil;
27  import com.liferay.portal.kernel.search.Document;
28  import com.liferay.portal.kernel.search.DocumentImpl;
29  import com.liferay.portal.kernel.search.DocumentSummary;
30  import com.liferay.portal.kernel.search.Field;
31  import com.liferay.portal.kernel.search.Hits;
32  import com.liferay.portal.kernel.search.SearchEngineUtil;
33  import com.liferay.portal.kernel.search.SearchException;
34  import com.liferay.portal.kernel.util.HtmlUtil;
35  import com.liferay.portal.kernel.util.StringUtil;
36  import com.liferay.portal.util.PortletKeys;
37  import com.liferay.portlet.wiki.service.WikiNodeLocalServiceUtil;
38  
39  import javax.portlet.PortletURL;
40  
41  /**
42   * <a href="Indexer.java.html"><b><i>View Source</i></b></a>
43   *
44   * @author Brian Wing Shun Chan
45   * @author Harry Mark
46   * @author Bruno Farache
47   *
48   */
49  public class Indexer implements com.liferay.portal.kernel.search.Indexer {
50  
51      public static final String PORTLET_ID = PortletKeys.WIKI;
52  
53      public static void addPage(
54              long companyId, long groupId, long nodeId, String title,
55              String content, String[] tagsEntries)
56          throws SearchException {
57  
58          try {
59              deletePage(companyId, nodeId, title);
60          }
61          catch (SearchException se) {
62          }
63  
64          Document doc = getPageDocument(
65              companyId, groupId, nodeId, title, content, tagsEntries);
66  
67          SearchEngineUtil.addDocument(companyId, doc);
68      }
69  
70      public static void deletePage(long companyId, long nodeId, String title)
71          throws SearchException {
72  
73          SearchEngineUtil.deleteDocument(companyId, getPageUID(nodeId, title));
74      }
75  
76      public static void deletePages(long companyId, long nodeId)
77          throws SearchException {
78  
79          BooleanQuery booleanQuery = BooleanQueryFactoryUtil.create();
80  
81          booleanQuery.addRequiredTerm(Field.PORTLET_ID, PORTLET_ID);
82  
83          booleanQuery.addRequiredTerm("nodeId", nodeId);
84  
85          Hits hits = SearchEngineUtil.search(
86              companyId, booleanQuery, SearchEngineUtil.ALL_POS,
87              SearchEngineUtil.ALL_POS);
88  
89          for (int i = 0; i < hits.getLength(); i++) {
90              Document doc = hits.doc(i);
91  
92              SearchEngineUtil.deleteDocument(companyId, doc.get(Field.UID));
93          }
94      }
95  
96      public static Document getPageDocument(
97          long companyId, long groupId, long nodeId, String title,
98          String content, String[] tagsEntries) {
99  
100         content = HtmlUtil.extractText(content);
101 
102         Document doc = new DocumentImpl();
103 
104         doc.addUID(PORTLET_ID, nodeId, title);
105 
106         doc.addKeyword(Field.COMPANY_ID, companyId);
107         doc.addKeyword(Field.PORTLET_ID, PORTLET_ID);
108         doc.addKeyword(Field.GROUP_ID, groupId);
109 
110         doc.addText(Field.TITLE, title);
111         doc.addText(Field.CONTENT, content);
112 
113         doc.addModifiedDate();
114 
115         doc.addKeyword(Field.ENTRY_CLASS_PK, nodeId);
116 
117         doc.addKeyword(Field.TAGS_ENTRIES, tagsEntries);
118 
119         return doc;
120     }
121 
122     public static String getPageUID(long nodeId, String title) {
123         Document doc = new DocumentImpl();
124 
125         doc.addUID(PORTLET_ID, nodeId, title);
126 
127         return doc.get(Field.UID);
128     }
129 
130     public static void updatePage(
131             long companyId, long groupId, long nodeId, String title,
132             String content, String[] tagsEntries)
133         throws SearchException {
134 
135         Document doc = getPageDocument(
136             companyId, groupId, nodeId, title, content, tagsEntries);
137 
138         SearchEngineUtil.updateDocument(companyId, doc.get(Field.UID), doc);
139     }
140 
141     public DocumentSummary getDocumentSummary(
142         com.liferay.portal.kernel.search.Document doc, PortletURL portletURL) {
143 
144         // Title
145 
146         String title = doc.get(Field.TITLE);
147 
148         // Content
149 
150         String content = doc.get(Field.CONTENT);
151 
152         content = StringUtil.shorten(content, 200);
153 
154         // Portlet URL
155 
156         String nodeId = doc.get(Field.ENTRY_CLASS_PK);
157 
158         portletURL.setParameter("struts_action", "/wiki/view");
159         portletURL.setParameter("nodeId", nodeId);
160         portletURL.setParameter("title", title);
161 
162         return new DocumentSummary(title, content, portletURL);
163     }
164 
165     public void reIndex(String[] ids) throws SearchException {
166         try {
167             WikiNodeLocalServiceUtil.reIndex(ids);
168         }
169         catch (Exception e) {
170             throw new SearchException(e);
171         }
172     }
173 
174 }