[portal-commits] JBoss Portal SVN: r8910 - in branches/UIServer/uiserver/src/main/org/jboss/portal/presentation: service and 1 other directory.
portal-commits at lists.jboss.org
portal-commits at lists.jboss.org
Tue Nov 13 12:51:49 EST 2007
Author: sohil.shah at jboss.com
Date: 2007-11-13 12:51:48 -0500 (Tue, 13 Nov 2007)
New Revision: 8910
Added:
branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/
branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/EntryPoint.java
branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/EntryPointImpl.java
branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/GWTClientFilter.java
branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/PortalEntryPoint.java
branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/UIServer.java
Log:
refactoring
Added: branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/EntryPoint.java
===================================================================
--- branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/EntryPoint.java (rev 0)
+++ branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/EntryPoint.java 2007-11-13 17:51:48 UTC (rev 8910)
@@ -0,0 +1,61 @@
+/******************************************************************************
+ * JBoss, a division of Red Hat *
+ * Copyright 2006, Red Hat Middleware, LLC, and individual *
+ * contributors as indicated by the @authors tag. See the *
+ * copyright.txt in the distribution for a full listing of *
+ * individual contributors. *
+ * *
+ * This is free software; you can redistribute it and/or modify it *
+ * under the terms of the GNU Lesser General Public License as *
+ * published by the Free Software Foundation; either version 2.1 of *
+ * the License, or (at your option) any later version. *
+ * *
+ * This software is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * Lesser General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Lesser General Public *
+ * License along with this software; if not, write to the Free *
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA *
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org. *
+ ******************************************************************************/
+package org.jboss.portal.presentation.service;
+
+import org.jboss.portal.server.RequestControllerFactory;
+import org.jboss.portal.server.Server;
+import org.jboss.portal.common.invocation.InterceptorStackFactory;
+
+/**
+ * A Utility Service used by different Portal Server Entry Points
+ *
+ * @author <a href="mailto:sshah at redhat.com">Sohil Shah</a>
+ *
+ */
+public interface EntryPoint
+{
+ /**
+ *
+ * @return
+ */
+ public Server getPortalServer();
+
+ /**
+ *
+ * @return
+ */
+ public RequestControllerFactory getControllerFactory();
+
+ /**
+ *
+ * @return
+ */
+ public InterceptorStackFactory getInterceptorStackFactory();
+
+ /**
+ *
+ * @param contentType
+ * @return
+ */
+ public String retrieveMediaType(String contentType);
+}
Added: branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/EntryPointImpl.java
===================================================================
--- branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/EntryPointImpl.java (rev 0)
+++ branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/EntryPointImpl.java 2007-11-13 17:51:48 UTC (rev 8910)
@@ -0,0 +1,137 @@
+/******************************************************************************
+ * JBoss, a division of Red Hat *
+ * Copyright 2006, Red Hat Middleware, LLC, and individual *
+ * contributors as indicated by the @authors tag. See the *
+ * copyright.txt in the distribution for a full listing of *
+ * individual contributors. *
+ * *
+ * This is free software; you can redistribute it and/or modify it *
+ * under the terms of the GNU Lesser General Public License as *
+ * published by the Free Software Foundation; either version 2.1 of *
+ * the License, or (at your option) any later version. *
+ * *
+ * This software is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * Lesser General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Lesser General Public *
+ * License along with this software; if not, write to the Free *
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA *
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org. *
+ ******************************************************************************/
+package org.jboss.portal.presentation.service;
+
+import org.jboss.portal.common.invocation.InterceptorStackFactory;
+import org.jboss.portal.server.RequestControllerFactory;
+import org.jboss.portal.server.Server;
+import org.jboss.portal.jems.as.system.AbstractJBossService;
+
+/**
+ * Implementation of an Entry Point Utility
+ *
+ * @author <a href="mailto:sshah at redhat.com">Sohil Shah</a>
+ *
+ */
+public class EntryPointImpl extends AbstractJBossService implements EntryPoint
+{
+ /** The interceptor stack. */
+ private InterceptorStackFactory interceptorStackFactory = null;
+
+ /** The controller for this servlet. */
+ private RequestControllerFactory controllerFactory = null;
+
+ /**
+ *
+ */
+ private Server portalServer = null;
+
+
+ /**
+ *
+ * @return
+ */
+ public RequestControllerFactory getControllerFactory()
+ {
+ return controllerFactory;
+ }
+
+
+ /**
+ *
+ * @param controllerFactory
+ */
+ public void setControllerFactory(RequestControllerFactory controllerFactory)
+ {
+ this.controllerFactory = controllerFactory;
+ }
+
+
+ /**
+ *
+ * @return
+ */
+ public InterceptorStackFactory getInterceptorStackFactory()
+ {
+ return interceptorStackFactory;
+ }
+
+
+ /**
+ *
+ * @param interceptorStackFactory
+ */
+ public void setInterceptorStackFactory(
+ InterceptorStackFactory interceptorStackFactory)
+ {
+ this.interceptorStackFactory = interceptorStackFactory;
+ }
+
+ /**
+ *
+ * @return
+ */
+ public Server getPortalServer()
+ {
+ return portalServer;
+ }
+
+
+ /**
+ *
+ * @param portalServer
+ */
+ public void setPortalServer(Server portalServer)
+ {
+ this.portalServer = portalServer;
+ }
+
+
+ /**
+ *
+ * @param contentType
+ * @return
+ */
+ public String retrieveMediaType(String contentType)
+ {
+ String mediaType = contentType;
+
+ //
+ if (mediaType != null)
+ {
+ // Remove any parameters
+ int index = mediaType.indexOf(';');
+ if (index != -1)
+ {
+ mediaType = contentType.substring(0, index);
+ }
+
+ // Trim
+ mediaType = mediaType.trim();
+
+ // Media type matching is case insensitive, so we convert to lower case
+ mediaType = mediaType.toLowerCase();
+ }
+ return mediaType;
+ }
+}
Added: branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/GWTClientFilter.java
===================================================================
--- branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/GWTClientFilter.java (rev 0)
+++ branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/GWTClientFilter.java 2007-11-13 17:51:48 UTC (rev 8910)
@@ -0,0 +1,154 @@
+/******************************************************************************
+ * JBoss, a division of Red Hat *
+ * Copyright 2006, Red Hat Middleware, LLC, and individual *
+ * contributors as indicated by the @authors tag. See the *
+ * copyright.txt in the distribution for a full listing of *
+ * individual contributors. *
+ * *
+ * This is free software; you can redistribute it and/or modify it *
+ * under the terms of the GNU Lesser General Public License as *
+ * published by the Free Software Foundation; either version 2.1 of *
+ * the License, or (at your option) any later version. *
+ * *
+ * This software is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * Lesser General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Lesser General Public *
+ * License along with this software; if not, write to the Free *
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA *
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org. *
+ ******************************************************************************/
+package org.jboss.portal.presentation.service;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.ByteArrayOutputStream;
+
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+/**
+ * This filter is activated or deactivated depending on whether the Portal needs to runs in Ajax mode or Classic Html mode
+ *
+ * @author <a href="mailto:sshah at redhat.com">Sohil Shah</a>
+ *
+ */
+public class GWTClientFilter implements Filter
+{
+ /**
+ *
+ */
+ public void init(FilterConfig arg0) throws ServletException
+ {
+ }
+
+ /**
+ *
+ */
+ public void destroy()
+ {
+ }
+
+ /**
+ *
+ */
+ public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException
+ {
+ HttpServletRequest request = (HttpServletRequest)servletRequest;
+ HttpServletResponse response = (HttpServletResponse)servletResponse;
+ String contextPath = request.getContextPath();
+
+ //Extract the resource that is being accessed
+ String resource = request.getRequestURI().replaceFirst(contextPath, "");
+ while(resource.startsWith("/"))
+ {
+ if(resource.length() > 1)
+ {
+ resource = resource.substring(1);
+ }
+ else
+ {
+ resource = "";
+ }
+ }
+
+ if(resource == null || resource.trim().length() == 0)
+ {
+ response.sendRedirect("index.html");
+ return;
+ }
+
+ //Now make sure the resource requested is a GWT resource
+ if( resource.equals("index.html") ||
+ resource.equals("portal.css") ||
+ resource.equals("mygwt-all.css") ||
+ resource.equals("mygwt-all-gray.css") ||
+ resource.equals("gwt.js") ||
+ resource.equals("prototype.js") ||
+ resource.contains(".cache.") ||
+ resource.contains(".nocache.") ||
+ resource.contains(".gwt.rpc") ||
+ resource.contains("images/default") ||
+ resource.contains("images/gray")
+ )
+ {
+ byte[] gwtResource = this.readContent(resource);
+ response.getOutputStream().write(gwtResource);
+ response.getOutputStream().flush();
+ return;
+ }
+ }
+
+ /**
+ *
+ * @param path
+ * @return
+ */
+ private byte[] readContent(String path)
+ {
+ byte[] content = null;
+
+ InputStream is = null;
+ ByteArrayOutputStream bos = null;
+ try
+ {
+ bos = new ByteArrayOutputStream();
+ is = Thread.currentThread().getContextClassLoader().getResourceAsStream(path);
+ int bytesRead = 0;
+ byte[] data = new byte[1024];
+ while((bytesRead=is.read(data)) != -1)
+ {
+ byte[] cour = new byte[bytesRead];
+ System.arraycopy(data, 0, cour, 0, bytesRead);
+ bos.write(cour);
+ bos.flush();
+ }
+ }
+ catch(Exception e)
+ {
+ throw new RuntimeException(e);
+ }
+ finally
+ {
+ if(is != null)
+ {
+ try{is.close();}catch(Exception e){}
+ }
+ if(bos != null)
+ {
+ content = bos.toByteArray();
+ try{bos.close();}catch(Exception e){}
+ }
+ }
+
+ return content;
+ }
+}
Added: branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/PortalEntryPoint.java
===================================================================
--- branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/PortalEntryPoint.java (rev 0)
+++ branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/PortalEntryPoint.java 2007-11-13 17:51:48 UTC (rev 8910)
@@ -0,0 +1,633 @@
+/******************************************************************************
+ * JBoss, a division of Red Hat *
+ * Copyright 2006, Red Hat Middleware, LLC, and individual *
+ * contributors as indicated by the @authors tag. See the *
+ * copyright.txt in the distribution for a full listing of *
+ * individual contributors. *
+ * *
+ * This is free software; you can redistribute it and/or modify it *
+ * under the terms of the GNU Lesser General Public License as *
+ * published by the Free Software Foundation; either version 2.1 of *
+ * the License, or (at your option) any later version. *
+ * *
+ * This software is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * Lesser General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Lesser General Public *
+ * License along with this software; if not, write to the Free *
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA *
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org. *
+ ******************************************************************************/
+package org.jboss.portal.presentation.service;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.nio.charset.Charset;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+import javax.management.MBeanServer;
+import javax.management.ObjectName;
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.UnavailableException;
+
+import org.apache.log4j.Logger;
+import org.jboss.mx.util.MBeanProxy;
+import org.jboss.mx.util.MBeanServerLocator;
+import org.jboss.portal.common.http.QueryStringParser;
+import org.jboss.portal.common.invocation.InterceptorStackFactory;
+import org.jboss.portal.common.invocation.InvocationException;
+import org.jboss.portal.common.net.URLTools;
+import org.jboss.portal.common.util.Exceptions;
+import org.jboss.portal.server.PortalConstants;
+import org.jboss.portal.server.RequestController;
+import org.jboss.portal.server.RequestControllerDispatcher;
+import org.jboss.portal.server.RequestControllerFactory;
+import org.jboss.portal.server.Server;
+import org.jboss.portal.server.ServerException;
+import org.jboss.portal.server.ServerInvocation;
+import org.jboss.portal.server.ServerInvocationContext;
+import org.jboss.portal.server.ServerRequest;
+import org.jboss.portal.server.ServerResponse;
+import org.jboss.portal.server.impl.ServerInvocationContextImpl;
+import org.jboss.portal.server.request.URLContext;
+import org.jboss.portal.presentation.layout.LayoutManager;
+import org.jboss.portal.presentation.impl.classic.layout.FlexibleGrid;
+import org.jboss.portal.presentation.impl.classic.layout.FlexibleGridConstraints;
+import org.jboss.portal.presentation.impl.classic.layout.FlexibleGridLayoutManager;
+import org.jboss.portal.presentation.impl.classic.layout.RegionConstraints;
+import org.jboss.portal.presentation.impl.classic.layout.RegionLayoutManager;
+import org.jboss.portal.presentation.model.Container;
+import org.jboss.portal.presentation.model.Page;
+import org.jboss.portal.presentation.model.Window;
+import org.jboss.portal.presentation.server.ProcessorResponse;
+
+/**
+ * The Portal Server Entry Point for classic html mode
+ *
+ * @author <a href="mailto:sshah at redhat.com">Sohil Shah</a>
+ *
+ */
+public class PortalEntryPoint extends HttpServlet
+{
+ /**
+ *
+ */
+ private Logger log = Logger.getLogger(getClass());
+
+ /** . */
+ private static final int GET_METHOD = 0;
+
+ /** . */
+ private static final int POST_METHOD = 1;
+
+ /** Describes a default servlet mapping. */
+ private static final int DEFAULT_SERVLET_MAPPING = 0;
+
+ /** Describes a root path mapping. */
+ private static final int ROOT_PATH_MAPPING = 1;
+
+ /** Describes a path mapping. */
+ private static final int PATH_MAPPING = 2;
+
+ /** Are we or not the default servlet ? */
+ private boolean asDefaultServlet = false;
+
+ /**
+ *
+ */
+ private EntryPoint entryPoint = null;
+
+ /** Configure the as default servlet. */
+ public void init() throws ServletException
+ {
+ asDefaultServlet = getAsDefaultServletInitValue();
+ try
+ {
+ MBeanServer mbeanServer = MBeanServerLocator.locateJBoss();
+ this.entryPoint = (EntryPoint) MBeanProxy.get(EntryPoint.class, new ObjectName(
+ this.getInitParameter("entryPointServiceName")),
+ mbeanServer);
+ }
+ catch (Exception e)
+ {
+ this.entryPoint = null;
+ String msg = "Portal Entry Point could not be created";
+ log.error(msg, e);
+ throw new UnavailableException(msg);
+ }
+ }
+
+ /**
+ *
+ */
+ protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException
+ {
+ //
+ String servletPath = req.getServletPath();
+ String requestURI = req.getRequestURI();
+ String contextPath = req.getContextPath();
+
+ String resource = req.getRequestURI().replaceFirst(contextPath, "");
+ while(resource.startsWith("/"))
+ {
+ if(resource.length() > 1)
+ {
+ resource = resource.substring(1);
+ }
+ else
+ {
+ resource = "";
+ }
+ }
+
+ if(resource == null || resource.trim().length() == 0)
+ {
+ resp.sendRedirect("index.html");
+ return;
+ }
+
+ int method;
+ if ("GET".equals(req.getMethod()))
+ {
+ method = GET_METHOD;
+ }
+ else if ("POST".equals(req.getMethod()))
+ {
+ method = POST_METHOD;
+ }
+ else
+ {
+ throw new ServletException();
+ }
+
+ // Compute the media type in the content type
+ String mediaType = this.entryPoint.retrieveMediaType(req.getContentType());
+
+ // Only affect the charset encoding if the servlet container will decode the request
+ if (method == POST_METHOD && PortalConstants.APPLICATION_X_WWW_FORM_URLENCODED.equals(mediaType))
+ {
+ // Now we must ensure that we have either an equals or a trailing space after the media-type
+ String characterEncoding = req.getCharacterEncoding();
+ if (characterEncoding == null)
+ {
+ // Set out charset for the portal request
+ req.setCharacterEncoding(PortalConstants.UTF_8.name());
+ }
+ else
+ {
+ Charset charset = Charset.forName(characterEncoding);
+ if (!PortalConstants.UTF_8.equals(charset))
+ {
+ throw new ServletException("Unaccepted charset " + characterEncoding);
+ }
+ }
+ }
+
+ // Determine the mapping we have
+ int mapping = DEFAULT_SERVLET_MAPPING;
+ if (!asDefaultServlet)
+ {
+ if (servletPath.length() == 0)
+ {
+ mapping = ROOT_PATH_MAPPING;
+ }
+ else
+ {
+ mapping = PATH_MAPPING;
+ }
+ }
+
+ // Determine the host for this request
+ String portalHost = req.getServerName();
+
+ // Determine the request path
+ String portalRequestPath = null;
+ String portalContextPath = null;
+ switch (mapping)
+ {
+ case DEFAULT_SERVLET_MAPPING:
+ portalRequestPath = requestURI.substring(contextPath.length());
+ portalContextPath = requestURI.substring(0, contextPath.length());
+ break;
+ case ROOT_PATH_MAPPING:
+ portalRequestPath = requestURI.substring(contextPath.length());
+ portalContextPath = requestURI.substring(0, contextPath.length());
+ break;
+ case PATH_MAPPING:
+ portalRequestPath = requestURI.substring(contextPath.length() + servletPath.length());
+ portalContextPath = requestURI.substring(0, contextPath.length() + servletPath.length());
+ break;
+ }
+
+ // Apply the url decoding
+ portalRequestPath = URLTools.decodeXWWWFormURL(portalRequestPath);
+ portalContextPath = URLTools.decodeXWWWFormURL(portalContextPath);
+
+ //
+ URLContext urlContext = URLContext.newInstance(req.isSecure(), req.getRemoteUser() != null);
+
+ // ***************
+ // ***************
+ // ***************
+ // ***************
+
+ // Parse the query string to have the get parameters
+ // The resulting map has its parameters decoded from the x-www-form-url encoding
+ Map queryParameterMap = Collections.EMPTY_MAP;
+ String queryString = req.getQueryString();
+ if (queryString != null)
+ {
+ queryParameterMap = QueryStringParser.parseQueryString(queryString);
+ }
+
+ //
+ Map bodyParameterMap = null;
+ if (method == POST_METHOD && PortalConstants.APPLICATION_X_WWW_FORM_URLENCODED.equals(mediaType))
+ {
+ bodyParameterMap = Collections.EMPTY_MAP;
+ for (Iterator i = req.getParameterMap().entrySet().iterator(); i.hasNext();)
+ {
+ Map.Entry entry = (Map.Entry)i.next();
+
+ // Get param name
+ String paramName = (String)entry.getKey();
+
+ // Values that are aggregated from the query string and the body
+ String[] paramValues = (String[])entry.getValue();
+
+ // Values decoded from the query string
+ String[] queryValues = (String[])queryParameterMap.get(paramName);
+ if (queryValues != null)
+ {
+ int bodyValuesLength = paramValues.length - queryValues.length;
+ if (bodyValuesLength > 0)
+ {
+ String[] bodyValues = new String[bodyValuesLength];
+ System.arraycopy(paramValues, queryValues.length, bodyValues, 0, bodyValuesLength);
+ if (bodyParameterMap.isEmpty())
+ {
+ bodyParameterMap = new HashMap();
+ }
+ bodyParameterMap.put(paramName, bodyValues);
+ }
+ }
+ else
+ {
+ if (bodyParameterMap.isEmpty())
+ {
+ bodyParameterMap = new HashMap();
+ }
+ bodyParameterMap.put(paramName, paramValues);
+ }
+ }
+
+ // Make the map unmodifiable
+ bodyParameterMap = bodyParameterMap.isEmpty() ? bodyParameterMap : Collections.unmodifiableMap(bodyParameterMap);
+ }
+
+ // ***************
+ // ***************
+ // ***************
+ // ***************
+
+ //
+ Server server = this.entryPoint.getPortalServer();
+
+ //
+ ServerInvocationContext invocationCtx = new ServerInvocationContextImpl(
+ req,
+ resp,
+ portalHost,
+ portalRequestPath,
+ portalContextPath,
+ queryParameterMap,
+ bodyParameterMap,
+ urlContext,
+ mediaType);
+
+ //
+ ServerRequest request = new ServerRequest(invocationCtx);
+ request.setServer(server);
+
+ //
+ ServerResponse response = new ServerResponse(request, invocationCtx);
+
+ //
+ ServerInvocation invocation = new ServerInvocation(invocationCtx);
+ invocation.setRequest(request);
+ invocation.setResponse(response);
+
+ //
+ RequestControllerFactory controllerFactory = this.entryPoint.getControllerFactory();
+ RequestController controller = controllerFactory.createRequestController(invocation);
+ invocation.setHandler(new RequestControllerDispatcher(controller));
+
+ //
+ try
+ {
+ InterceptorStackFactory stack = this.entryPoint.getInterceptorStackFactory();
+ invocation.invoke(stack.getInterceptorStack());
+ ProcessorResponse processorResponse = (ProcessorResponse)req.getAttribute("processorResponse");
+ if(processorResponse != null)
+ {
+ Page displayedPage = processorResponse.findDisplayedPage();
+ if(displayedPage != null)
+ {
+ this.render(invocation.getServerContext().getClientResponse().getWriter(),
+ displayedPage);
+ }
+ }
+ }
+ catch (ServerException e)
+ {
+ log.error("Server exception", e);
+ Throwable nested = Exceptions.unwrap(e);
+ throw new ServletException(nested);
+ }
+ catch (InvocationException e)
+ {
+ log.error("Invocation exception", e);
+ Throwable nested = Exceptions.unwrap(e);
+ throw new ServletException(nested);
+ }
+ catch (ServletException e)
+ {
+ throw e;
+ }
+ catch (IOException e)
+ {
+ throw e;
+ }
+ catch (Exception e)
+ {
+ log.error("Unexpected exception", e);
+ Throwable nested = Exceptions.unwrap(e);
+ throw new ServletException(nested);
+ }
+ }
+
+ /**
+ * Return the value for the servlet mapping. This implementation get the
+ * value from an init parameter of the servlet called <b>asDefaultServlet</b>
+ */
+ private boolean getAsDefaultServletInitValue()
+ {
+ ServletConfig config = getServletConfig();
+ String value = config.getInitParameter("asDefaultServlet");
+ if ("true".equalsIgnoreCase(value))
+ {
+ log.debug("Servlet loaded as default servlet mapping");
+ return true;
+ }
+ else if ("false".equalsIgnoreCase(value))
+ {
+ log.debug("Servlet loaded as path mapping servlet");
+ return false;
+ }
+ else
+ {
+ log.warn("Servlet mapping cannot be determined with init parameter value="
+ + value);
+ return false;
+ }
+ }
+ // ---------All these are just helper methods for the prototype-----------------------------------------------------------------------------------------------
+ //----It containts mostly hard coded logic for the prototype-------------------------------------------------------------------------------------------------
+ /**
+ * Based on the latest design discussion, this method is not needed.
+ *
+ * This will be an implementation detail of the UIServer processing the Response that is sent back to it
+ * from the Core Portal Processor
+ *
+ * @param clientConnection
+ * @param page
+ */
+ private void render(PrintWriter clientConnection, Page pageResult)
+ {
+ /**
+ * Special Note: Currently this prototype code and layout configuration including page result creation is hard coded for the purpose
+ * of getting the architecture right
+ *
+ * In the real implementation, LayoutState would be fetched dynamically based on the Page State/Configuration being rendered
+ * Even type of Client considerations would be handled here
+ *
+ * Basically the UIServer would delegate functions to its various components and then send back the result to the client
+ *
+ */
+ //Some flexible grid layout testing code
+ Object[] gridData = this.getFlexibleGridLayoutManager(pageResult);
+ Page page = (Page)gridData[0];
+ LayoutManager layoutManager = (LayoutManager)gridData[1];
+
+ //Some region layout testing code
+ //Object[] regionData = this.getRegionBasedLayoutManager(pageResult);
+ //Page page = (Page)regionData[0];
+ //LayoutManager layoutManager = (LayoutManager)regionData[1];
+
+ //Peform Page Layout
+ String output = layoutManager.doLayout(page);
+
+
+ //Create the final output...Also hardcoded without any preprocessing/postprocessing etc
+ StringBuffer buffer = new StringBuffer();
+ buffer.append("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\"><html xmlns=\"http://www.w3.org/1999/xhtml\"><head><title>JBoss Portal UIServer</title><link rel=\"stylesheet\" id=\"dyna_css\" href=\"/portal-ajax/dyna/style.css\" type=\"text/css\"/><link rel=\"stylesheet\" type=\"text/css\" id=\"main_css\" href=\"/portal-core/themes/renaissance/portal_style.css\"/><link rel=\"shortcut icon\" href=\"/portal-core/themes/renaissance/images/favicon.ico\" /><link rel=\"icon\" type=\"image/gif\" href=\"/portal-core/themes/renaissance/images/animated_favicon1.gif\" /></head><body id=\"body\">\n");
+ buffer.append(output);
+ buffer.append("</body></html>\n");
+
+
+ //Sending the results back to the Client
+ clientConnection.write(buffer.toString());
+ clientConnection.flush();
+ }
+
+ /**
+ *
+ */
+ private Object[] getFlexibleGridLayoutManager(Page pageResult)
+ {
+ /**
+ * Hard coding the FlexibleGridLayout Management here
+ */
+ Page page = new Page();
+ Container header = new Container("header");
+ Container leftPanel = new Container("leftPanel");
+ Container mainPanel = new Container("mainPanel");
+ Window headerTabsWindow = new Window("header-tabs-window");
+ Window menuWindow = new Window("menu-window");
+ Window leftPanelWindow1 = new Window("left-panel-window1");
+ Window leftPanelWindow2 = new Window("left-panel-window2");
+ Window mainPanelWindow = new Window("main-panel-window");
+ header.addComponent(headerTabsWindow);
+ header.addComponent(menuWindow);
+ leftPanel.addComponent(leftPanelWindow1);
+ leftPanel.addComponent(leftPanelWindow2);
+ mainPanel.addComponent(mainPanelWindow);
+
+ //Setup the Grid for headerTabs container
+ page.addContainer(header);
+ FlexibleGrid headerGrid = this.getGrid("header", 1, 2);
+ FlexibleGridConstraints[] headerTabConstraints = { this.getConstraints("header-tabs-window", "100", 0, 0, 10, 0, 0, 0),
+ this.getConstraints("menu-window", "100", 0, 0, 0, 0, 0, 1) };
+ headerGrid.setConstraints(headerTabConstraints);
+
+ //Setup the Grid for left panel container
+ page.addContainer(leftPanel);
+ FlexibleGrid leftPanelGrid = this.getGrid("leftPanel", 2, 1);
+ FlexibleGridConstraints[] leftPanelConstraints = { this.getConstraints("left-panel-window1", "75", 0, 0, 0, 0, 0, 0),
+ this.getConstraints("left-panel-window2", "75", 0, 0, 0, 0, 1, 0) };
+ leftPanelGrid.setConstraints(leftPanelConstraints);
+
+ //Setup the Grid for main panel container
+ page.addContainer(mainPanel);
+ FlexibleGrid mainPanelGrid = this.getGrid("mainPanel", 1, 1);
+ FlexibleGridConstraints[] mainPanelConstraints = { this.getConstraints("main-panel-window", "100", 0, 0, 0, 0, 0, 0) };
+ mainPanelGrid.setConstraints(mainPanelConstraints);
+
+ //Setup the FlexibleGrid Layout Manager with the different grids
+ FlexibleGrid[] row1 = { headerGrid };
+ FlexibleGrid[] row2 = { leftPanelGrid, mainPanelGrid };
+ FlexibleGridLayoutManager layoutManager = new FlexibleGridLayoutManager();
+ layoutManager.addRowOfGrids(row1);
+ layoutManager.addRowOfGrids(row2);
+
+ //Populate the grid windows with proper content
+ List windows = pageResult.getWindows();
+ int counter = 0;
+ for(Iterator itr=windows.iterator();itr.hasNext();)
+ {
+ Window result = (Window)itr.next();
+
+ switch(counter)
+ {
+ case 0:
+ leftPanelWindow1.setContent(result.getContent());
+ break;
+
+ case 1:
+ leftPanelWindow2.setContent(result.getContent());
+ break;
+
+ case 2:
+ mainPanelWindow.setContent(result.getContent());
+ break;
+
+ case 3:
+ menuWindow.setContent(result.getContent());
+ break;
+
+ case 4:
+ headerTabsWindow.setContent(result.getContent());
+ break;
+ }
+
+ counter++;
+ }
+
+ return new Object[]{page, layoutManager};
+ }
+
+
+ /**
+ *
+ * @param containerId
+ * @param rows
+ * @param columns
+ * @return
+ */
+ private FlexibleGrid getGrid(String containerId,int rows, int columns)
+ {
+ FlexibleGrid grid = new FlexibleGrid(containerId);
+ grid.setRows(rows);
+ grid.setColumns(columns);
+ return grid;
+ }
+
+ /**
+ *
+ * @param componentId
+ * @param widthPercentage
+ * @param top
+ * @param bottom
+ * @param left
+ * @param right
+ */
+ private FlexibleGridConstraints getConstraints(String componentId, String widthPercentage, int top, int bottom, int left, int right, int row, int column)
+ {
+ FlexibleGridConstraints constraints = new FlexibleGridConstraints();
+ constraints.setComponentId(componentId);
+ constraints.setWidthPercentage(widthPercentage);
+ constraints.setRow(row);
+ constraints.setColumn(column);
+ constraints.setTop(top);
+ constraints.setBottom(bottom);
+ constraints.setLeft(left);
+ constraints.setRight(right);
+ return constraints;
+ }
+
+ /**
+ *
+ * @param pageResult
+ * @return
+ */
+ private Object[] getRegionBasedLayoutManager(Page pageResult)
+ {
+ Page page = new Page();
+ Container left = new Container("left");
+ Container center = new Container("center");
+ page.addContainer(left);
+ page.addContainer(center);
+
+ //Populate the grid windows with proper content
+ List windows = pageResult.getWindows();
+ int counter = 0;
+ for(Iterator itr=windows.iterator();itr.hasNext();)
+ {
+ Window result = (Window)itr.next();
+ Window uiWindow = new Window(result.getId());
+ uiWindow.setContent(result.getContent());
+ switch(counter)
+ {
+ case 0:
+ left.addComponent(uiWindow);
+ break;
+
+ case 1:
+ left.addComponent(uiWindow);
+ break;
+
+ case 2:
+ center.addComponent(uiWindow);
+ break;
+
+ case 3:
+ center.addComponent(uiWindow);
+ break;
+
+ case 4:
+ left.addComponent(uiWindow);
+ break;
+ }
+
+ counter++;
+ }
+
+ RegionLayoutManager layoutManager = new RegionLayoutManager();
+ RegionConstraints leftConstraints = new RegionConstraints("left", RegionConstraints.LEFT);
+ RegionConstraints centerConstraints = new RegionConstraints("center", RegionConstraints.CENTER);
+ layoutManager.addRegionConstraints(leftConstraints);
+ layoutManager.addRegionConstraints(centerConstraints);
+
+ return new Object[]{page, layoutManager};
+ }
+}
Added: branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/UIServer.java
===================================================================
--- branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/UIServer.java (rev 0)
+++ branches/UIServer/uiserver/src/main/org/jboss/portal/presentation/service/UIServer.java 2007-11-13 17:51:48 UTC (rev 8910)
@@ -0,0 +1,233 @@
+/******************************************************************************
+ * JBoss, a division of Red Hat *
+ * Copyright 2006, Red Hat Middleware, LLC, and individual *
+ * contributors as indicated by the @authors tag. See the *
+ * copyright.txt in the distribution for a full listing of *
+ * individual contributors. *
+ * *
+ * This is free software; you can redistribute it and/or modify it *
+ * under the terms of the GNU Lesser General Public License as *
+ * published by the Free Software Foundation; either version 2.1 of *
+ * the License, or (at your option) any later version. *
+ * *
+ * This software is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * Lesser General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Lesser General Public *
+ * License along with this software; if not, write to the Free *
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA *
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org. *
+ ******************************************************************************/
+package org.jboss.portal.presentation.service;
+
+import java.util.StringTokenizer;
+
+import javax.servlet.http.HttpServletRequest;
+
+
+import org.jboss.portal.presentation.RequestContext;
+
+import org.jboss.portal.presentation.model.Portal;
+import org.jboss.portal.presentation.model.PortalObject;
+import org.jboss.portal.presentation.server.ProcessorRequest;
+import org.jboss.portal.presentation.server.ProcessorResponse;
+import org.jboss.portal.presentation.server.PresentationServer;
+import org.jboss.portal.presentation.action.server.ServerAction;
+import org.jboss.portal.presentation.action.server.LinkActivation;
+import org.jboss.portal.presentation.action.server.GetActivation;
+import org.jboss.portal.presentation.action.server.PostActivation;
+
+import org.jboss.portal.server.RequestController;
+import org.jboss.portal.server.ServerException;
+import org.jboss.portal.server.ServerInvocation;
+import org.jboss.portal.server.ServerInvocationContext;
+
+
+/**
+ * The UIServer is responsible for generating the output that is sent back to the client based on the Portal state of a particular Portal Request
+ *
+ * The UIServer provides various UI level services like Page Aggregation, Page Layout, Web 2.0 client interactions etc.
+ *
+ * Typically the Core component of the Portal delegates all UI specific functions to this component
+ *
+ * @author <a href="mailto:sshah at redhat.com">Sohil Shah</a>
+ *
+ */
+public class UIServer implements RequestController
+{
+ /**
+ *
+ */
+ private PresentationServer presentationServer = null;
+
+
+ /**
+ *
+ *
+ */
+ public UIServer()
+ {
+ }
+
+
+ /**
+ * handle is the entry point for handling an incoming Portal request. The request is handed over
+ * from the Http Layer via the main Portal Servlet
+ *
+ */
+ public void handle(ServerInvocation invocation) throws ServerException
+ {
+ try
+ {
+ ServerAction serverAction = this.getServerAction(invocation);
+ ProcessorRequest processorRequest = new ProcessorRequest(serverAction, invocation);
+ RequestContext requestContext = null; //Just use null until proper implementation is provided
+ ProcessorResponse processorResponse = this.presentationServer.getProcessor().process(requestContext,
+ processorRequest);
+
+ //Go ahead and render to the client based on ProcessorResponse received from the core Portal
+ if(processorResponse != null)
+ {
+ invocation.getServerContext().getClientRequest().setAttribute("processorResponse", processorResponse);
+ }
+ }
+ catch(Exception e)
+ {
+ throw new ServerException(e);
+ }
+ }
+
+ /**
+ *
+ *
+ */
+ public void start()
+ {
+
+ }
+
+ /**
+ *
+ *
+ */
+ public void stop()
+ {
+
+ }
+ //-----------------------------------------------------------------------------------------------------------------------------------------------------------
+ /**
+ *
+ */
+ public PresentationServer getPresentationServer()
+ {
+ return presentationServer;
+ }
+
+ /**
+ *
+ * @param presentationServer
+ */
+ public void setPresentationServer(PresentationServer presentationServer)
+ {
+ this.presentationServer = presentationServer;
+ }
+ //--------------------------------------------------------------------------------------------------------------------------------------------------------------
+ /**
+ *
+ */
+ private ServerAction getServerAction(ServerInvocation invocation)
+ {
+ ServerAction serverAction = null;
+
+ ServerInvocationContext invocationContext = invocation.getServerContext();
+ HttpServletRequest request = invocationContext.getClientRequest();
+ if(request.getMethod().equals("GET"))
+ {
+ GetActivation get = new GetActivation();
+ get.setUrl(request.getRequestURL().toString());
+ get.setContentType(invocationContext.getMediaType());
+ get.setQueryParameters(invocationContext.getQueryParameterMap());
+ serverAction = get;
+ }
+ else if(request.getMethod().equals("POST"))
+ {
+ PostActivation post = new PostActivation();
+ post.setUrl(request.getRequestURL().toString());
+ post.setContentType(invocationContext.getMediaType());
+ post.setQueryParameters(invocationContext.getQueryParameterMap());
+ post.setBodyParameters(invocationContext.getBodyParameterMap());
+ serverAction = post;
+ }
+
+ //If this is a link activation, then interpret the Portal and the PortalObject that
+ //this link is targetted for
+ if(serverAction instanceof LinkActivation)
+ {
+ String portalRequestPath = invocation.getServerContext().getPortalRequestPath();
+
+ //Process the incoming request and produce a proper ProcessorRequest to be
+ //processed by the core Portal component
+ Portal portal = null;
+ PortalObject target = null;
+ StringTokenizer st = new StringTokenizer(portalRequestPath, "/");
+ StringBuffer buffer = new StringBuffer("/");
+ while(st.hasMoreTokens())
+ {
+ String token = st.nextToken();
+ if(portal == null)
+ {
+ portal = this.presentationServer.getPortalObjectReader().findPortal(token);
+ if(portal != null)
+ {
+ buffer.append(token);
+ if(st.hasMoreTokens())
+ {
+ buffer.append("/");
+ }
+ }
+ }
+ else
+ {
+ buffer.append(token);
+ String id = buffer.toString();
+ if(st.hasMoreTokens())
+ {
+ buffer.append("/");
+ }
+
+ if(target == null)
+ {
+ target = portal.findChild(id);
+ if(target == null)
+ {
+ target = this.presentationServer.getPortalObjectReader().findPortalObject(portal, id);
+ }
+ }
+ else
+ {
+ PortalObject cour = target.findChild(id);
+ if(cour == null)
+ {
+ target = this.presentationServer.getPortalObjectReader().findPortalObject(target, id);
+ }
+ else
+ {
+ target = cour;
+ }
+ }
+ }
+ }
+
+ //Setting up the proper targets for this link
+ ((LinkActivation)serverAction).setPortal(portal);
+ ((LinkActivation)serverAction).setTarget(target);
+ }
+
+
+ return serverAction;
+ }
+
+
+}
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