1   /**
2    * Copyright (c) 2000-2007 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.tags.service.persistence;
24  
25  import com.liferay.portal.SystemException;
26  import com.liferay.portal.kernel.util.GetterUtil;
27  import com.liferay.portal.kernel.util.StringMaker;
28  import com.liferay.portal.kernel.util.StringPool;
29  import com.liferay.portal.kernel.util.StringUtil;
30  import com.liferay.portal.spring.hibernate.CustomSQLUtil;
31  import com.liferay.portal.spring.hibernate.HibernateUtil;
32  import com.liferay.portlet.tags.model.impl.TagsEntryImpl;
33  import com.liferay.util.dao.hibernate.QueryPos;
34  import com.liferay.util.dao.hibernate.QueryUtil;
35  
36  import java.util.Iterator;
37  import java.util.List;
38  
39  import org.hibernate.Hibernate;
40  import org.hibernate.SQLQuery;
41  import org.hibernate.Session;
42  
43  /**
44   * <a href="TagsEntryFinder.java.html"><b><i>View Source</i></b></a>
45   *
46   * @author Brian Wing Shun Chan
47   *
48   */
49  public class TagsEntryFinder {
50  
51      public static String COUNT_BY_C_N_P =
52          TagsEntryFinder.class.getName() + ".countByC_N_P";
53  
54      public static String FIND_BY_C_N_P =
55          TagsEntryFinder.class.getName() + ".findByC_N_P";
56  
57      public static int countByC_N_P(
58              long companyId, String name, String[] properties)
59          throws SystemException {
60  
61          Session session = null;
62  
63          try {
64              session = HibernateUtil.openSession();
65  
66              String sql = CustomSQLUtil.get(COUNT_BY_C_N_P);
67  
68              sql = StringUtil.replace(sql, "[$JOIN$]", _getJoin(properties));
69  
70              SQLQuery q = session.createSQLQuery(sql);
71  
72              q.addScalar(HibernateUtil.getCountColumnName(), Hibernate.LONG);
73  
74              QueryPos qPos = QueryPos.getInstance(q);
75  
76              _setJoin(qPos, properties);
77              qPos.add(companyId);
78              qPos.add(name);
79              qPos.add(name);
80  
81              Iterator itr = q.list().iterator();
82  
83              if (itr.hasNext()) {
84                  Long count = (Long)itr.next();
85  
86                  if (count != null) {
87                      return count.intValue();
88                  }
89              }
90  
91              return 0;
92          }
93          catch (Exception e) {
94              throw new SystemException(e);
95          }
96          finally {
97              HibernateUtil.closeSession(session);
98          }
99      }
100 
101     public static List findByC_N_P(
102             long companyId, String name, String[] properties)
103         throws SystemException {
104 
105         return findByC_N_P(
106             companyId, name, properties, QueryUtil.ALL_POS, QueryUtil.ALL_POS);
107     }
108 
109     public static List findByC_N_P(
110             long companyId, String name, String[] properties, int begin,
111             int end)
112         throws SystemException {
113 
114         Session session = null;
115 
116         try {
117             session = HibernateUtil.openSession();
118 
119             String sql = CustomSQLUtil.get(FIND_BY_C_N_P);
120 
121             sql = StringUtil.replace(sql, "[$JOIN$]", _getJoin(properties));
122 
123             SQLQuery q = session.createSQLQuery(sql);
124 
125             q.addEntity("TagsEntry", TagsEntryImpl.class);
126 
127             QueryPos qPos = QueryPos.getInstance(q);
128 
129             _setJoin(qPos, properties);
130             qPos.add(companyId);
131             qPos.add(name);
132             qPos.add(name);
133 
134             return QueryUtil.list(q, HibernateUtil.getDialect(), begin, end);
135         }
136         catch (Exception e) {
137             throw new SystemException(e);
138         }
139         finally {
140             HibernateUtil.closeSession(session);
141         }
142     }
143 
144     private static String _getJoin(String[] properties) {
145         if (properties.length == 0) {
146             return StringPool.BLANK;
147         }
148         else {
149             StringMaker sm = new StringMaker();
150 
151             sm.append(" INNER JOIN TagsProperty ON ");
152             sm.append(" (TagsProperty.entryId = TagsEntry.entryId) AND ");
153 
154             for (int i = 0; i < properties.length; i++) {
155                 sm.append("(TagsProperty.key_ = ? AND ");
156                 sm.append("TagsProperty.value = ?) ");
157 
158                 if ((i + 1) < properties.length) {
159                     sm.append(" AND ");
160                 }
161             }
162 
163             return sm.toString();
164         }
165     }
166 
167     private static void _setJoin(QueryPos qPos, String[] properties) {
168         for (int i = 0; i < properties.length; i++) {
169             String[] property = StringUtil.split(
170                 properties[i], StringPool.COLON);
171 
172             String key = StringPool.BLANK;
173 
174             if (property.length > 0) {
175                 key = GetterUtil.getString(property[0]);
176             }
177 
178             String value = StringPool.BLANK;
179 
180             if (property.length > 1) {
181                 value = GetterUtil.getString(property[1]);
182             }
183 
184             qPos.add(key);
185             qPos.add(value);
186         }
187     }
188 
189 }