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1
9 package org.jboss.portal.core.servlet;
10
11 import org.jboss.portal.common.util.Tools;
12 import org.jboss.portal.core.CoreConstants;
13 import org.jboss.portal.core.CorePortal;
14 import org.jboss.portal.core.output.AuthenticateResult;
15 import org.jboss.portal.core.plugins.page.Page;
16 import org.jboss.portal.core.plugins.page.PageRepository;
17 import org.jboss.portal.core.plugins.page.WindowLocation;
18 import org.jboss.portal.server.LayoutServer;
19 import org.jboss.portal.server.PortalRequest;
20 import org.jboss.portal.server.PortalResponse;
21 import org.jboss.portal.server.PortalServer;
22 import org.jboss.portal.server.ServerObjectID;
23 import org.jboss.portal.server.ThemeServer;
24 import org.jboss.portal.server.Window;
25 import org.jboss.portal.server.WindowContext;
26 import org.jboss.portal.server.output.ActionResult;
27 import org.jboss.portal.server.output.ErrorResult;
28 import org.jboss.portal.server.output.FragmentResult;
29 import org.jboss.portal.server.output.HTTPRedirectionResult;
30 import org.jboss.portal.server.output.NoResult;
31 import org.jboss.portal.server.output.Result;
32 import org.jboss.portal.server.output.SecurityErrorResult;
33 import org.jboss.portal.server.output.StreamResult;
34 import org.jboss.portal.server.servlet.AbstractMainServlet;
35 import org.jboss.portal.server.theme.Item;
36 import org.jboss.portal.server.theme.LayoutConstants;
37 import org.jboss.portal.server.theme.LayoutDispatcher;
38 import org.jboss.portal.server.theme.PageHolder;
39 import org.jboss.portal.server.theme.PortalLayout;
40 import org.jboss.portal.server.theme.Region;
41 import org.jboss.portal.server.theme.RegionSet;
42 import org.jboss.portal.server.theme.ThemeConstants;
43
44 import javax.servlet.ServletException  ;
45 import java.io.IOException ;
46 import java.io.OutputStream ;
47 import java.io.Writer ;
48 import java.util.Iterator ;
49
50
54 public class CoreServlet extends AbstractMainServlet
55 {
56
57 public void init() throws ServletException
58 {
59 super.init();
60 }
61
62 protected void render(PortalRequest req, PortalResponse resp) throws IOException , ServletException
63 {
64 Result tmp = resp.getTargetResult();
65 if (tmp instanceof HTTPRedirectionResult)
66 {
67 HTTPRedirectionResult redirection = (HTTPRedirectionResult)tmp;
68 resp.sendRedirect(redirection.getLocation());
69 }
70 else if (tmp == null || tmp instanceof ActionResult || tmp instanceof NoResult)
71 {
72 RegionSet regions = new RegionSet();
73 for (Iterator i = resp.getRenderResults(); i.hasNext();)
74 {
75 Result result = (Result)i.next();
76
77 if (result instanceof SecurityErrorResult)
79 {
80 SecurityErrorResult ser = (SecurityErrorResult)result;
81 FragmentResult fragment = new FragmentResult(ser.getProducer());
82 fragment.setContentType("text/html");
83 Writer writer = fragment.getWriter();
84 writer.write("<div>You are not authorized to perform this operation</div>");
85 writer.close();
86 result = fragment;
87 Throwable throwable = ser.getThrowable();
88 if (throwable != null)
89 {
90 log.error("Security issue", throwable);
91 }
92 else
93 {
94 log.error("Security issue");
95 }
96 }
97 else if (result instanceof ErrorResult)
98 {
99 ErrorResult error = (ErrorResult)result;
100 Throwable throwable = error.getThrowable();
101 FragmentResult fragment = new FragmentResult(error.getProducer());
102 fragment.setContentType("text/html");
103 Writer writer = fragment.getWriter();
104 writer.write("<div><pre style=\"text-align:left;\"><code>");
105 writer.write(throwable.toString() + "\n");
106 StackTraceElement [] elts = throwable.getStackTrace();
107 for (int j = 0; j < elts.length; j++)
108 {
109 StackTraceElement elt = elts[j];
110 writer.write("\tat " + elt + "\n");
111 }
112 writer.write("</code></pre></div>");
113 writer.close();
114 result = fragment;
115 if (throwable != null)
116 {
117 log.error("Error", throwable);
118 }
119 else
120 {
121 log.error("Error");
122 }
123 }
124
125 if (result instanceof FragmentResult)
126 {
127 FragmentResult fragment = (FragmentResult)result;
128 WindowContext windowContext = (WindowContext)fragment.getProducer();
129 ServerObjectID id = windowContext.getID();
130 PortalServer container = req.getServer();
131 Window window = (Window)container.getObject(id);
132 CorePortal portal = (CorePortal)window.getPortal();
133 PageRepository repo = portal.getPageRepository();
134 Page page = repo.getPageByWindow(id);
135 WindowLocation ref = (WindowLocation)page.getLocation(window.getID());
136 int height = ref.getHeight();
137 Region region = regions.getRegion(ref.getRegion());
138 if (region == null)
139 {
140 region = new Region(ref.getRegion());
141 regions.addRegion(region);
142 }
143 region.add(new Item(height, fragment));
144 }
145 }
146
147 PageHolder page = new PageHolder(regions);
148 req.setAttribute("PAGE", page);
149 req.setAttribute("REQ", req);
150 req.setAttribute("RESP", resp);
151
152 publishThemeServerToRequest(req);
154 publishRenderSetToRequest(req);
156
157 getLayoutAndDelegate(req, resp);
159 }
160 else if (tmp instanceof ErrorResult)
161 {
162 ErrorResult error = (ErrorResult)tmp;
164 String message = "An error occured during the action request : " + error.getMessage();
165 Throwable throwable = error.getThrowable();
166 if (throwable == null)
167 {
168 log.error(message);
169 throw new ServletException (message);
170 }
171 else
172 {
173 log.error(message, throwable);
174 throw new ServletException (message, error.getThrowable());
175 }
176 }
177 else if (tmp instanceof AuthenticateResult)
178 {
179 AuthenticateResult result = (AuthenticateResult)tmp;
180 String url = req.getContextPath() + "/login?redirect=" + Tools.createXWWWFormURLEncoded(result.getTarget().toString());
181 resp.sendRedirect(url);
182 }
183 else if (tmp instanceof StreamResult)
184 {
185 OutputStream out = null;
186 try
187 {
188 StreamResult result = (StreamResult)tmp;
189 String contentType = result.getContentType();
190 byte[] bytes = result.getBytes();
191
192 long howLong = 10 * 60 * 1000;
194
195 resp.setContentLength(bytes.length);
197 resp.setContentType(contentType);
198
199 if (contentType.startsWith("image/") ||
201 "text/css".equals(contentType) ||
202 "application/x-shockwave-flash".equals(contentType))
203 {
204 resp.setDateHeader("Expires", System.currentTimeMillis() + howLong);
206 resp.setHeader("Cache-Control", "max-age=" + howLong / 1000 + ", " + "s-maxage=" + howLong / 1000);
207 }
208
209
212 out = resp.getOutputStream();
214 out.write(bytes);
215 }
216 finally
217 {
218 Tools.safeClose(out);
219 }
220 }
221 else
222 {
223 throw new ServletException ("Unknown result " + tmp);
224 }
225 }
226
227 private void getLayoutAndDelegate(PortalRequest req, PortalResponse resp)
228 throws ServletException , IOException
229 {
230 String layoutURI = null;
231 PortalLayout layout = (PortalLayout)req.getAttribute(LayoutConstants.PARAM_LAYOUT);
232 if (layout != null)
234 {
235 layoutURI = (String )req.getAttribute(LayoutConstants.PARAM_LAYOUT_URI);
237 log.debug("using layout returned from the strategy: " + layout.getName() + " uri: " + layoutURI);
238 }
239 else
240 {
241 String layoutName = req.getParameter(LayoutConstants.PARAM_LAYOUT);
243 if (layoutName == null)
244 {
245 layoutName = (String )req.getPortal().getProperties().get(CoreConstants.PORTAL_PROP_LAYOUT);
246 }
247
248 if (layoutName == null)
249 {
250 layoutName = "nodesk";
251 }
252 log.debug("requesting layout: " + layoutName);
253
254 LayoutServer layoutServer = req.getServer().getManager().getLayoutServer();
255 layout = layoutServer.getLayout(layoutName, true);
256
257 if (layout != null)
258 {
259 layoutURI = layout.getURI();
260 }
261 else
262 {
263 throw new ServletException ("No valid Layout was found for this request; layout name: " + layoutName);
264 }
265 log.debug("using layout (not via strategy): " + layout.getName() + " uri: " + layoutURI);
266 }
267 log.debug("got layout to use [" + layout.getName() + "] in app [" + layout.getAppName() + "] uri [" + layout.getURI() + "]");
268
269 LayoutDispatcher dispatcher = new LayoutDispatcher(layout, layoutURI);
271 dispatcher.include(req, resp);
272 }
273
274 private void publishRenderSetToRequest(PortalRequest req)
276 {
277 String renderSetName = (String )req.getPortal().getProperties().get(CoreConstants.PORTAL_PROP_RENDERSET);
278 if (renderSetName == null)
279 {
280 renderSetName = "divRenderer";
282 }
283 req.setAttribute(LayoutConstants.ATTR_RENDERSET, renderSetName);
284 }
285
286 private void publishThemeServerToRequest(PortalRequest request)
288 {
289 ThemeServer themeServer = request.getServer().getManager().getThemeServer();
290 if (themeServer != null)
291 {
292 request.setAttribute(ThemeConstants.ATTR_THEMESERVER, themeServer);
293
294 String themeName = request.getParameter(ThemeConstants.PARAM_THEME);
295 if (themeName == null)
296 {
297 themeName = (String )request.getPortal().getProperties().get(CoreConstants.PORTAL_PROP_THEME);
298 }
299 if (themeName != null)
300 {
301 request.setAttribute(ThemeConstants.ATTR_THEME, themeName);
302 }
303 log.debug("requesting theme: " + themeName);
304 }
305 }
306 }
307 |
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