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    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.TurbineConstants;
    28  import org.apache.turbine.annotation.TurbineConfiguration;
    29  import org.apache.turbine.annotation.TurbineLoader;
    30  import org.apache.turbine.modules.Action;
    31  import org.apache.turbine.modules.ActionLoader;
    32  import org.apache.turbine.util.TurbineException;
    33
    34  /**
    35   * Implements the action portion of the "Turbine classic" processing
    36   * pipeline (from the Turbine 2.x series).
    37   *
    38   * @author <a href="mailto:jvanzyl@apache.org">Jason van Zyl</a>\
    39   * @author <a href="mailto:peter@courcoux.biz">Peter Courcoux</a>
    40   * @version $Id: DefaultSessionValidationValve.java 1706239 2015-10-01 13:18:35Z tv $
    41   */
    42  public class DefaultSessionValidationValve
    43      extends AbstractValve
    44  {
    45      /** Injected loader instance */
    46      @TurbineLoader( Action.class )
    47      private ActionLoader actionLoader;
    48
    49      /** Injected configuration instance */
    50      @TurbineConfiguration
    51      private Configuration config;
    52
    53      /**
    54       * @see org.apache.turbine.pipeline.Valve#invoke(PipelineData, ValveContext)
    55       */
    56      @Override
    57      public void invoke(PipelineData pipelineData, ValveContext context)
    58          throws IOException, TurbineException
    59      {
    60          try
    61          {
    62              // This is where the validation of the Session information
    63              // is performed if the user has not logged in yet, then
    64              // the screen is set to be Login. This also handles the
    65              // case of not having a screen defined by also setting the
    66              // screen to Login. If you want people to go to another
    67              // screen other than Login, you need to change that within
    68              // TurbineResources.properties...screen.homepage; or, you
    69              // can specify your own SessionValidator action.
    70              actionLoader.exec(pipelineData, config.getString(
    71                              TurbineConstants.ACTION_SESSION_VALIDATOR_KEY,
    72                              TurbineConstants.ACTION_SESSION_VALIDATOR_DEFAULT));
    73          }
    74          catch (Exception e)
    75          {
    76              throw new TurbineException(e);
    77          }
    78
    79          // Pass control to the next Valve in the Pipeline
    80          context.invokeNext(pipelineData);
    81      }
    82  }