001
014
015 package com.liferay.portlet.wiki.action;
016
017 import com.liferay.portal.kernel.dao.search.SearchContainer;
018 import com.liferay.portal.kernel.servlet.ServletResponseUtil;
019 import com.liferay.portal.kernel.util.ContentTypes;
020 import com.liferay.portal.kernel.util.ParamUtil;
021 import com.liferay.portal.kernel.util.StringPool;
022 import com.liferay.portal.kernel.util.Validator;
023 import com.liferay.portal.model.Layout;
024 import com.liferay.portal.struts.ActionConstants;
025 import com.liferay.portal.struts.PortletAction;
026 import com.liferay.portal.theme.ThemeDisplay;
027 import com.liferay.portal.util.PortalUtil;
028 import com.liferay.portal.util.PortletKeys;
029 import com.liferay.portal.util.WebKeys;
030 import com.liferay.portlet.PortletURLImpl;
031 import com.liferay.portlet.wiki.service.WikiPageServiceUtil;
032 import com.liferay.util.RSSUtil;
033
034 import java.util.Locale;
035
036 import javax.portlet.ActionRequest;
037 import javax.portlet.ActionResponse;
038 import javax.portlet.PortletConfig;
039 import javax.portlet.PortletRequest;
040 import javax.portlet.PortletURL;
041
042 import javax.servlet.http.HttpServletRequest;
043 import javax.servlet.http.HttpServletResponse;
044
045 import org.apache.struts.action.ActionForm;
046 import org.apache.struts.action.ActionForward;
047 import org.apache.struts.action.ActionMapping;
048
049
052 public class RSSAction extends PortletAction {
053
054 @Override
055 public void processAction(
056 ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
057 ActionRequest actionRequest, ActionResponse actionResponse)
058 throws Exception {
059
060 try {
061 HttpServletRequest request = PortalUtil.getHttpServletRequest(
062 actionRequest);
063 HttpServletResponse response = PortalUtil.getHttpServletResponse(
064 actionResponse);
065
066 ServletResponseUtil.sendFile(
067 request, response, null, getRSS(request),
068 ContentTypes.TEXT_XML_UTF8);
069
070 setForward(actionRequest, ActionConstants.COMMON_NULL);
071 }
072 catch (Exception e) {
073 PortalUtil.sendError(e, actionRequest, actionResponse);
074 }
075 }
076
077 @Override
078 public ActionForward strutsExecute(
079 ActionMapping mapping, ActionForm form, HttpServletRequest request,
080 HttpServletResponse response)
081 throws Exception {
082
083 try {
084 ServletResponseUtil.sendFile(
085 request, response, null, getRSS(request),
086 ContentTypes.TEXT_XML_UTF8);
087
088 return null;
089 }
090 catch (Exception e) {
091 PortalUtil.sendError(e, request, response);
092
093 return null;
094 }
095 }
096
097 protected byte[] getRSS(HttpServletRequest request) throws Exception {
098 ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
099 WebKeys.THEME_DISPLAY);
100
101 Layout layout = themeDisplay.getLayout();
102
103 long companyId = ParamUtil.getLong(request, "companyId");
104 long nodeId = ParamUtil.getLong(request, "nodeId");
105 String title = ParamUtil.getString(request, "title");
106 int max = ParamUtil.getInteger(
107 request, "max", SearchContainer.DEFAULT_DELTA);
108 String type = ParamUtil.getString(
109 request, "type", RSSUtil.TYPE_DEFAULT);
110 double version = ParamUtil.getDouble(
111 request, "version", RSSUtil.VERSION_DEFAULT);
112 String displayStyle = ParamUtil.getString(
113 request, "displayStyle", RSSUtil.DISPLAY_STYLE_FULL_CONTENT);
114
115 PortletURL feedURL = new PortletURLImpl(
116 request, PortletKeys.WIKI, layout.getPlid(),
117 PortletRequest.RENDER_PHASE);
118
119 feedURL.setParameter("nodeId", String.valueOf(nodeId));
120
121 PortletURL entryURL = new PortletURLImpl(
122 request, PortletKeys.WIKI, layout.getPlid(),
123 PortletRequest.RENDER_PHASE);
124
125 entryURL.setParameter("nodeId", String.valueOf(nodeId));
126 entryURL.setParameter("title", title);
127
128 Locale locale = themeDisplay.getLocale();
129
130 String rss = StringPool.BLANK;
131
132 if ((nodeId > 0) && (Validator.isNotNull(title))) {
133 rss = WikiPageServiceUtil.getPagesRSS(
134 companyId, nodeId, title, max, type, version, displayStyle,
135 feedURL.toString(), entryURL.toString(), locale);
136 }
137 else if (nodeId > 0) {
138 rss = WikiPageServiceUtil.getNodePagesRSS(
139 nodeId, max, type, version, displayStyle, feedURL.toString(),
140 entryURL.toString());
141 }
142
143 return rss.getBytes(StringPool.UTF8);
144 }
145
146 @Override
147 protected boolean isCheckMethodOnProcessAction() {
148 return _CHECK_METHOD_ON_PROCESS_ACTION;
149 }
150
151 private static final boolean _CHECK_METHOD_ON_PROCESS_ACTION = false;
152
153 }