| DefineObjectsTag.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.taglib.portlet;
24
25 import com.liferay.portal.kernel.util.MethodInvoker;
26 import com.liferay.portal.kernel.util.MethodWrapper;
27 import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
28
29 import javax.servlet.jsp.JspException;
30 import javax.servlet.jsp.tagext.TagSupport;
31
32 /**
33 * <a href="DefineObjectsTag.java.html"><b><i>View Source</i></b></a>
34 *
35 * @author Brian Wing Shun Chan
36 *
37 */
38 public class DefineObjectsTag extends TagSupport {
39
40 public int doStartTag() throws JspException {
41 Thread currentThread = Thread.currentThread();
42
43 ClassLoader contextClassLoader = currentThread.getContextClassLoader();
44
45 try {
46 currentThread.setContextClassLoader(
47 PortalClassLoaderUtil.getClassLoader());
48
49 MethodWrapper methodWrapper = new MethodWrapper(
50 _TAG_CLASS, _TAG_DO_START_METHOD, new Object[] {pageContext});
51
52 MethodInvoker.invoke(methodWrapper);
53 }
54 catch (Exception e) {
55 throw new JspException(e);
56 }
57 finally {
58 currentThread.setContextClassLoader(contextClassLoader);
59 }
60
61 return SKIP_BODY;
62 }
63
64 public int doEndTag() {
65 return EVAL_PAGE;
66 }
67
68 private static final String _TAG_CLASS =
69 "com.liferay.portal.servlet.taglib.portlet.DefineObjectsTagUtil";
70
71 private static final String _TAG_DO_START_METHOD = "doStartTag";
72
73 }