[jboss-cvs] jboss-seam/src/main/org/jboss/seam/web ...

[Gavin King]

  User: gavin   
  Date: 07/02/10 03:47:46

  Added:       src/main/org/jboss/seam/web   ContextFilter.java
  Removed:     src/main/org/jboss/seam/web   ServletFilter.java
  Log:
  rename
  
  Revision  Changes    Path
  1.1      date: 2007/02/10 08:47:46;  author: gavin;  state: Exp;jboss-seam/src/main/org/jboss/seam/web/ContextFilter.java
  
  Index: ContextFilter.java
  ===================================================================
  package org.jboss.seam.web;
  
  import static org.jboss.seam.InterceptionType.NEVER;
  import static org.jboss.seam.ScopeType.APPLICATION;
  import static org.jboss.seam.annotations.Install.BUILT_IN;
  
  import java.io.IOException;
  
  import javax.faces.event.PhaseId;
  import javax.servlet.FilterChain;
  import javax.servlet.ServletException;
  import javax.servlet.ServletRequest;
  import javax.servlet.ServletResponse;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpSession;
  
  import org.jboss.seam.annotations.Install;
  import org.jboss.seam.annotations.Intercept;
  import org.jboss.seam.annotations.Name;
  import org.jboss.seam.annotations.Scope;
  import org.jboss.seam.annotations.Startup;
  import org.jboss.seam.contexts.ContextAdaptor;
  import org.jboss.seam.contexts.Lifecycle;
  import org.jboss.seam.core.Manager;
  import org.jboss.seam.log.LogProvider;
  import org.jboss.seam.log.Logging;
  
  /**
   * Manages the Seam contexts associated with a request to any servlet.
   * 
   * @author Gavin King
   */
  @Startup
  @Scope(APPLICATION)
  @Name("org.jboss.seam.servlet.servletFilter")
  @Install(precedence = BUILT_IN)
  @Intercept(NEVER)
  public class ContextFilter extends BaseFilter 
  {
     private static final LogProvider log = Logging.getLogProvider(ContextFilter.class);
     private boolean explicitDisabled = false;
     
     /**
      * This filter is disabled by default, unless a urlPattern is set    
      */
     public ContextFilter()
     {
        super.setDisabled(true);
     }
     
     @Override
     public void setUrlPattern(String urlPattern)
     {
        super.setUrlPattern(urlPattern);
        if (!explicitDisabled) setDisabled(false);
     }
     
     @Override
     public void setDisabled(boolean disabled)
     {
        super.setDisabled(disabled);
        if (disabled) explicitDisabled = true;
     }
   
     public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) 
         throws IOException, ServletException 
     {
        log.debug("beginning request");
        
        HttpSession session = ( (HttpServletRequest) request ).getSession(true);
        Lifecycle.setPhaseId(PhaseId.INVOKE_APPLICATION);
        Lifecycle.setServletRequest(request);
        Lifecycle.beginRequest(getServletContext(), session, request);
        Manager.instance().restoreConversation( request.getParameterMap() );
        Lifecycle.resumeConversation(session);
        Manager.instance().handleConversationPropagation( request.getParameterMap() );
        try
        {
           chain.doFilter(request, response);
           //TODO: conversation timeout
           Manager.instance().endRequest( ContextAdaptor.getSession(session)  );
           Lifecycle.endRequest(session);
        }
        catch (Exception e)
        {
           Lifecycle.endRequest();
           log.error("ended request due to exception", e);
           throw new ServletException(e);
        }
        finally
        {
           Lifecycle.setServletRequest(null);
           Lifecycle.setPhaseId(null);
           log.debug("ended request");
        }
     }
  }