1   /**
2    * Copyright (c) 2000-2009 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.polls.service.impl;
24  
25  import com.liferay.portal.PortalException;
26  import com.liferay.portal.SystemException;
27  import com.liferay.portal.kernel.util.Validator;
28  import com.liferay.portlet.polls.QuestionChoiceException;
29  import com.liferay.portlet.polls.model.PollsChoice;
30  import com.liferay.portlet.polls.service.base.PollsChoiceLocalServiceBaseImpl;
31  
32  import java.util.List;
33  
34  /**
35   * <a href="PollsChoiceLocalServiceImpl.java.html"><b><i>View Source</i></b></a>
36   *
37   * @author Brian Wing Shun Chan
38   *
39   */
40  public class PollsChoiceLocalServiceImpl
41      extends PollsChoiceLocalServiceBaseImpl {
42  
43      public PollsChoice addChoice(
44              long questionId, String name, String description)
45          throws PortalException, SystemException {
46  
47          return addChoice(null, questionId, name, description);
48      }
49  
50      public PollsChoice addChoice(
51              String uuid, long questionId, String name, String description)
52          throws PortalException, SystemException {
53  
54          validate(name, description);
55  
56          pollsQuestionPersistence.findByPrimaryKey(questionId);
57  
58          long choiceId = counterLocalService.increment();
59  
60          PollsChoice choice = pollsChoicePersistence.create(choiceId);
61  
62          choice.setUuid(uuid);
63          choice.setQuestionId(questionId);
64          choice.setName(name);
65          choice.setDescription(description);
66  
67          pollsChoicePersistence.update(choice, false);
68  
69          return choice;
70      }
71  
72      public PollsChoice getChoice(long choiceId)
73          throws PortalException, SystemException {
74  
75          return pollsChoicePersistence.findByPrimaryKey(choiceId);
76      }
77  
78      public List<PollsChoice> getChoices(long questionId)
79          throws SystemException {
80  
81          return pollsChoicePersistence.findByQuestionId(questionId);
82      }
83  
84      public int getChoicesCount(long questionId) throws SystemException {
85          return pollsChoicePersistence.countByQuestionId(questionId);
86      }
87  
88      public PollsChoice updateChoice(
89              long choiceId, long questionId, String name, String description)
90          throws PortalException, SystemException {
91  
92          validate(name, description);
93  
94          pollsQuestionPersistence.findByPrimaryKey(questionId);
95  
96          PollsChoice choice = pollsChoicePersistence.findByPrimaryKey(choiceId);
97  
98          choice.setQuestionId(questionId);
99          choice.setName(name);
100         choice.setDescription(description);
101 
102         pollsChoicePersistence.update(choice, false);
103 
104         return choice;
105     }
106 
107     protected void validate(String name, String description)
108         throws PortalException {
109 
110         if (Validator.isNull(name) || Validator.isNull(description)) {
111             throw new QuestionChoiceException();
112         }
113     }
114 
115 }