1
22
23 package com.liferay.portlet.wiki.action;
24
25 import com.liferay.portal.PortalException;
26 import com.liferay.portal.SystemException;
27 import com.liferay.portal.kernel.util.StringPool;
28 import com.liferay.portal.security.auth.PrincipalException;
29 import com.liferay.portal.struts.PortletAction;
30 import com.liferay.portal.theme.ThemeDisplay;
31 import com.liferay.portal.util.PropsUtil;
32 import com.liferay.portal.util.WebKeys;
33 import com.liferay.portlet.wiki.NoSuchNodeException;
34 import com.liferay.portlet.wiki.NoSuchPageException;
35 import com.liferay.portlet.wiki.model.WikiNode;
36 import com.liferay.portlet.wiki.service.WikiNodeLocalServiceUtil;
37 import com.liferay.util.servlet.SessionErrors;
38
39 import java.util.List;
40
41 import javax.portlet.PortletConfig;
42 import javax.portlet.RenderRequest;
43 import javax.portlet.RenderResponse;
44
45 import org.apache.struts.action.ActionForm;
46 import org.apache.struts.action.ActionForward;
47 import org.apache.struts.action.ActionMapping;
48
49
56 public class ViewPageAction extends PortletAction {
57
58 public ActionForward render(
59 ActionMapping mapping, ActionForm form, PortletConfig config,
60 RenderRequest req, RenderResponse res)
61 throws Exception {
62
63 try {
64 ActionUtil.getNode(req);
65
66 checkNode(req);
67
68 ActionUtil.getPage(req);
69 }
70 catch (Exception e) {
71 if (e instanceof NoSuchNodeException ||
72 e instanceof NoSuchPageException ||
73 e instanceof PrincipalException) {
74
75 SessionErrors.add(req, e.getClass().getName());
76
77 return mapping.findForward("portlet.wiki.error");
78 }
79 else {
80 throw e;
81 }
82 }
83
84 return mapping.findForward(getForward(req, "portlet.wiki.view_page"));
85 }
86
87 private void checkNode(RenderRequest req)
88 throws PortalException, SystemException {
89
90 WikiNode node = (WikiNode)req.getAttribute(WebKeys.WIKI_NODE);
91
92 if (node == null) {
93 ThemeDisplay themeDisplay =
94 (ThemeDisplay)req.getAttribute(WebKeys.THEME_DISPLAY);
95
96 List nodes = WikiNodeLocalServiceUtil.getNodes(
97 themeDisplay.getLayout().getGroupId(), 0, 1);
98
99 if (nodes.size() == 0) {
100 String nodeName = PropsUtil.get(
101 PropsUtil.WIKI_INITIAL_NODE_NAME);
102
103 node = WikiNodeLocalServiceUtil.addNode(
104 themeDisplay.getUserId(), themeDisplay.getPlid(), nodeName,
105 StringPool.BLANK, true, true);
106 }
107 else {
108 node = (WikiNode)nodes.get(0);
109 }
110
111 req.setAttribute(WebKeys.WIKI_NODE, node);
112 }
113 }
114
115 }