| ViewNodeAction.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.portlet.wiki.action;
21
22 import com.liferay.portal.kernel.servlet.SessionErrors;
23 import com.liferay.portal.security.auth.PrincipalException;
24 import com.liferay.portal.struts.PortletAction;
25 import com.liferay.portlet.wiki.NoSuchNodeException;
26 import com.liferay.portlet.wiki.model.WikiNode;
27
28 import javax.portlet.PortletConfig;
29 import javax.portlet.RenderRequest;
30 import javax.portlet.RenderResponse;
31
32 import org.apache.struts.action.ActionForm;
33 import org.apache.struts.action.ActionForward;
34 import org.apache.struts.action.ActionMapping;
35
36 /**
37 * <a href="ViewNodeAction.java.html"><b><i>View Source</i></b></a>
38 *
39 * @author Jorge Ferrer
40 *
41 */
42 public class ViewNodeAction extends PortletAction {
43
44 public ActionForward render(
45 ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
46 RenderRequest renderRequest, RenderResponse renderResponse)
47 throws Exception {
48
49 try {
50 WikiNode node = ActionUtil.getNode(renderRequest);
51
52 if (node == null) {
53 ActionUtil.getFirstVisibleNode(renderRequest);
54 }
55 }
56 catch (Exception e) {
57 if (e instanceof NoSuchNodeException ||
58 e instanceof PrincipalException) {
59
60 SessionErrors.add(renderRequest, e.getClass().getName());
61
62 return mapping.findForward("portlet.wiki.error");
63 }
64 else {
65 throw e;
66 }
67 }
68
69 return mapping.findForward(
70 getForward(renderRequest, "portlet.wiki.view_node"));
71 }
72
73 }