1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portlet.shopping.util.comparator;
21  
22  import com.liferay.portal.kernel.util.OrderByComparator;
23  import com.liferay.portlet.shopping.model.ShoppingItem;
24  
25  /**
26   * <a href="ItemNameComparator.java.html"><b><i>View Source</i></b></a>
27   *
28   * @author Brian Wing Shun Chan
29   *
30   */
31  public class ItemNameComparator extends OrderByComparator {
32  
33      public static String ORDER_BY_ASC = "categoryId ASC, name ASC";
34  
35      public static String ORDER_BY_DESC = "categoryId DESC, name DESC";
36  
37      public static String[] ORDER_BY_FIELDS = {"categoryId", "name"};
38  
39      public ItemNameComparator() {
40          this(false);
41      }
42  
43      public ItemNameComparator(boolean asc) {
44          _asc = asc;
45      }
46  
47      public int compare(Object obj1, Object obj2) {
48          ShoppingItem item1 = (ShoppingItem)obj1;
49          ShoppingItem item2 = (ShoppingItem)obj2;
50  
51          Long categoryId1 = new Long(item1.getCategoryId());
52          Long categoryId2 = new Long(item2.getCategoryId());
53  
54          int value = categoryId1.compareTo(categoryId2);
55  
56          if (value == 0) {
57              value = item1.getName().toLowerCase().compareTo(
58                  item2.getName().toLowerCase());
59          }
60  
61          if (_asc) {
62              return value;
63          }
64          else {
65              return -value;
66          }
67      }
68  
69      public String getOrderBy() {
70          if (_asc) {
71              return ORDER_BY_ASC;
72          }
73          else {
74              return ORDER_BY_DESC;
75          }
76      }
77  
78      public String[] getOrderByFields() {
79          return ORDER_BY_FIELDS;
80      }
81  
82      public boolean isAscending() {
83          return _asc;
84      }
85  
86      private boolean _asc;
87  
88  }