Home » geronimo-2.2-source-release » org.apache.geronimo.tomcat.valve » [javadoc | source]

    1   /**
    2    *
    3    * Copyright 2003-2004 The Apache Software Foundation
    4    *
    5    *  Licensed under the Apache License, Version 2.0 (the "License");
    6    *  you may not use this file except in compliance with the License.
    7    *  You may obtain a copy of the License at
    8    *
    9    *     http://www.apache.org/licenses/LICENSE-2.0
   10    *
   11    *  Unless required by applicable law or agreed to in writing, software
   12    *  distributed under the License is distributed on an "AS IS" BASIS,
   13    *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   14    *  See the License for the specific language governing permissions and
   15    *  limitations under the License.
   16    */
   17   package org.apache.geronimo.tomcat.valve;
   18   
   19   import java.io.IOException;
   20   import java.util.Set;
   21   
   22   import javax.resource.ResourceException;
   23   import javax.servlet.ServletException;
   24   
   25   import org.apache.catalina.connector.Request;
   26   import org.apache.catalina.connector.Response;
   27   import org.apache.catalina.valves.ValveBase;
   28   import org.apache.geronimo.transaction.DefaultInstanceContext;
   29   import org.apache.geronimo.transaction.InstanceContext;
   30   import org.apache.geronimo.transaction.TrackedConnectionAssociator;
   31   
   32   /**
   33    * @version $Rev: $ $Date: $
   34    */
   35   public class InstanceContextValve extends ValveBase {
   36   
   37       private final Set unshareableResources;
   38   
   39       private final Set applicationManagedSecurityResources;
   40   
   41       private final TrackedConnectionAssociator trackedConnectionAssociator;
   42   
   43       public InstanceContextValve(Set unshareableResources,
   44               Set applicationManagedSecurityResources,
   45               TrackedConnectionAssociator trackedConnectionAssociator) {
   46           this.unshareableResources = unshareableResources;
   47           this.applicationManagedSecurityResources = applicationManagedSecurityResources;
   48           this.trackedConnectionAssociator = trackedConnectionAssociator;
   49       }
   50   
   51       public void invoke(Request request, Response response) throws IOException,
   52               ServletException {
   53   
   54           try {
   55               InstanceContext oldContext = trackedConnectionAssociator
   56                       .enter(new DefaultInstanceContext(unshareableResources,
   57                               applicationManagedSecurityResources));
   58   
   59               // Pass this request on to the next valve in our pipeline
   60               getNext().invoke(request, response);
   61   
   62               // Set the old one back
   63               trackedConnectionAssociator.exit((InstanceContext) oldContext);
   64           } catch (ResourceException e) {
   65               throw new RuntimeException(e);
   66           }
   67       }
   68   }

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