| DefineObjectsTag.java |
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.taglib.portlet;
21
22 import com.liferay.portal.kernel.util.MethodInvoker;
23 import com.liferay.portal.kernel.util.MethodWrapper;
24 import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
25
26 import javax.servlet.jsp.JspException;
27 import javax.servlet.jsp.tagext.TagSupport;
28
29 /**
30 * <a href="DefineObjectsTag.java.html"><b><i>View Source</i></b></a>
31 *
32 * @author Brian Wing Shun Chan
33 *
34 */
35 public class DefineObjectsTag extends TagSupport {
36
37 public int doStartTag() throws JspException {
38 Thread currentThread = Thread.currentThread();
39
40 ClassLoader contextClassLoader = currentThread.getContextClassLoader();
41
42 try {
43 currentThread.setContextClassLoader(
44 PortalClassLoaderUtil.getClassLoader());
45
46 MethodWrapper methodWrapper = new MethodWrapper(
47 _TAG_CLASS, _TAG_DO_START_METHOD, new Object[] {pageContext});
48
49 MethodInvoker.invoke(methodWrapper);
50 }
51 catch (Exception e) {
52 throw new JspException(e);
53 }
54 finally {
55 currentThread.setContextClassLoader(contextClassLoader);
56 }
57
58 return SKIP_BODY;
59 }
60
61 public int doEndTag() {
62 return EVAL_PAGE;
63 }
64
65 private static final String _TAG_CLASS =
66 "com.liferay.portal.servlet.taglib.portlet.DefineObjectsTagUtil";
67
68 private static final String _TAG_DO_START_METHOD = "doStartTag";
69
70 }