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="ItemMinQuantityComparator.java.html"><b><i>View Source</i></b></a>
27   *
28   * @author Brian Wing Shun Chan
29   *
30   */
31  public class ItemMinQuantityComparator extends OrderByComparator {
32  
33      public static String ORDER_BY_ASC =
34          "categoryId ASC, minQuantity ASC, name ASC";
35  
36      public static String ORDER_BY_DESC =
37          "categoryId DESC, minQuantity DESC, name DESC";
38  
39      public ItemMinQuantityComparator() {
40          this(false);
41      }
42  
43      public ItemMinQuantityComparator(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              if (item1.getMinQuantity() < item2.getMinQuantity()) {
58                  value = -1;
59              }
60              else if (item1.getMinQuantity() > item2.getMinQuantity()) {
61                  value = 1;
62              }
63          }
64  
65          if (value == 0) {
66              value = item1.getName().toLowerCase().compareTo(
67                  item2.getName().toLowerCase());
68          }
69  
70          if (_asc) {
71              return value;
72          }
73          else {
74              return -value;
75          }
76      }
77  
78      public String getOrderBy() {
79          if (_asc) {
80              return ORDER_BY_ASC;
81          }
82          else {
83              return ORDER_BY_DESC;
84          }
85      }
86  
87      private boolean _asc;
88  
89  }