| DefaultPKMapper.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 *
5 *
6 *
7 * The contents of this file are subject to the terms of the Liferay Enterprise
8 * Subscription License ("License"). You may not use this file except in
9 * compliance with the License. You can obtain a copy of the License by
10 * contacting Liferay, Inc. See the License for the specific language governing
11 * permissions and limitations under the License, including but not limited to
12 * distribution rights 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.portal.upgrade.util;
24
25 import com.liferay.portal.kernel.util.GetterUtil;
26 import com.liferay.portal.upgrade.StagnantRowException;
27
28 /**
29 * <a href="DefaultPKMapper.java.html"><b><i>View Source</i></b></a>
30 *
31 * @author Brian Wing Shun Chan
32 */
33 public class DefaultPKMapper extends ValueMapperWrapper {
34
35 public DefaultPKMapper(ValueMapper valueMapper) {
36 super(valueMapper);
37 }
38
39 public Object getNewValue(Object oldValue) throws Exception {
40 String oldValueString = GetterUtil.getString(
41 String.valueOf(oldValue));
42
43 if (oldValueString.equals("-1") || oldValueString.equals("0") ||
44 oldValueString.equals("")) {
45
46 return new Long(0);
47 }
48 else {
49 try {
50 ValueMapper valueMapper = getValueMapper();
51
52 return valueMapper.getNewValue(oldValue);
53 }
54 catch (StagnantRowException sre) {
55 return new Long(0);
56 }
57 }
58 }
59
60 }