View Javadoc

    1   package org.apache.turbine.pipeline;
    2
    3
    4   /*
    5    * Licensed to the Apache Software Foundation (ASF) under one
    6    * or more contributor license agreements.  See the NOTICE file
    7    * distributed with this work for additional information
    8    * regarding copyright ownership.  The ASF licenses this file
    9    * to you under the Apache License, Version 2.0 (the
    10   * "License"); you may not use this file except in compliance
    11   * with the License.  You may obtain a copy of the License at
    12   *
    13   *   http://www.apache.org/licenses/LICENSE-2.0
    14   *
    15   * Unless required by applicable law or agreed to in writing,
    16   * software distributed under the License is distributed on an
    17   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    18   * KIND, either express or implied.  See the License for the
    19   * specific language governing permissions and limitations
    20   * under the License.
    21   */
    22
    23
    24  import java.io.IOException;
    25
    26  import org.apache.commons.configuration.Configuration;
    27  import org.apache.turbine.Turbine;
    28  import org.apache.turbine.TurbineConstants;
    29  import org.apache.turbine.util.RunData;
    30  import org.apache.turbine.util.TurbineException;
    31
    32  /**
    33   * Implements the action portion of the "Turbine classic" processing
    34   * pipeline (from the Turbine 2.x series).
    35   *
    36   * @author <a href="mailto:jvanzyl@apache.org">Jason van Zyl</a>
    37   * @author <a href="mailto:mpoeschl@marmot.at">Martin Poeschl</a>
    38   * @author <a href="mailto:peter@courcoux.biz">Peter Courcoux</a>
    39   * @version $Id: DefaultSessionTimeoutValve.java 757213 2009-03-22 16:43:31Z tv $
    40   */
    41  public class DefaultSessionTimeoutValve
    42      extends AbstractValve
    43  {
    44      protected int timeout;
    45
    46      /**
    47       * Here we can setup objects that are thread safe and can be
    48       * reused, so we get the timeout from the configuration..
    49       */
    50      public DefaultSessionTimeoutValve()
    51          throws Exception
    52      {
    53          Configuration cfg = Turbine.getConfiguration();
    54
    55          // Get the session timeout.
    56
    57      	timeout = cfg.getInt(TurbineConstants.SESSION_TIMEOUT_KEY,
    58                  TurbineConstants.SESSION_TIMEOUT_DEFAULT);
    59
    60      }
    61
    62      /**
    63       * @see org.apache.turbine.Valve#invoke(RunData, ValveContext)
    64       */
    65      public void invoke(PipelineData pipelineData, ValveContext context)
    66          throws IOException, TurbineException
    67      {
    68          RunData runData = getRunData(pipelineData);
    69          // If the session is new take this opportunity to
    70          // set the session timeout if specified in TR.properties
    71          if (runData.getSession().isNew() && timeout != TurbineConstants.SESSION_TIMEOUT_DEFAULT)
    72          {
    73              runData.getSession().setMaxInactiveInterval(timeout);
    74          }
    75
    76          // Pass control to the next Valve in the Pipeline
    77          context.invokeNext(pipelineData);
    78      }
    79  }