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    1   /*
    2    * $Id: StrutsTilesContainerFactory.java 488747 2006-12-19 18:07:22Z ddewolf $
    3    *
    4    * Licensed to the Apache Software Foundation (ASF) under one
    5    * or more contributor license agreements.  See the NOTICE file
    6    * distributed with this work for additional information
    7    * regarding copyright ownership.  The ASF licenses this file
    8    * to you under the Apache License, Version 2.0 (the
    9    * "License"); you may not use this file except in compliance
    10   * with the License.  You may obtain a copy of the License at
    11   *
    12   *  http://www.apache.org/licenses/LICENSE-2.0
    13   *
    14   * Unless required by applicable law or agreed to in writing,
    15   * software distributed under the License is distributed on an
    16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    17   * KIND, either express or implied.  See the License for the
    18   * specific language governing permissions and limitations
    19   * under the License.
    20   */
    21  package org.apache.struts2.tiles;
    22
    23  import org.apache.tiles.TilesApplicationContext;
    24  import org.apache.tiles.TilesException;
    25  import org.apache.tiles.context.TilesContextFactory;
    26  import org.apache.tiles.context.TilesRequestContext;
    27  import org.apache.tiles.definition.DefinitionsFactory;
    28  import org.apache.tiles.factory.TilesContainerFactory;
    29  import org.apache.tiles.impl.BasicTilesContainer;
    30  import org.apache.tiles.preparer.PreparerFactory;
    31
    32  import javax.servlet.jsp.PageContext;
    33  import java.util.Map;
    34
    35
    36  public class StrutsTilesContainerFactory extends TilesContainerFactory {
    37
    38      /***
    39       * Initialize the container in a struts specific manner.
    40       *
    41       * @param context
    42       * @param container
    43       * @throws TilesException
    44       */
    45      public void initializeContainer(Object context,
    46                                      BasicTilesContainer container)
    47              throws TilesException {
    48
    49          Map<String, String> initParmMap =
    50                 TilesContainerFactory.getInitParameterMap(context);
    51
    52          TilesContextFactory contextFactory = (TilesContextFactory)
    53                  TilesContainerFactory.createFactory(
    54                          initParmMap, TilesContainerFactory.CONTEXT_FACTORY_INIT_PARAM);
    55
    56          contextFactory = new StrutsTilesContextFactory(contextFactory);
    57
    58          DefinitionsFactory defsFactory = (DefinitionsFactory)
    59                  TilesContainerFactory.createFactory(
    60                           initParmMap,
    61                           TilesContainerFactory.DEFINITIONS_FACTORY_INIT_PARAM);
    62
    63          PreparerFactory prepFactory =
    64                  (PreparerFactory) TilesContainerFactory.createFactory(
    65                          initParmMap,
    66                          TilesContainerFactory.PREPARER_FACTORY_INIT_PARAM);
    67
    68          TilesApplicationContext tilesContext =
    69                  contextFactory.createApplicationContext(context);
    70
    71          container.setDefinitionsFactory(defsFactory);
    72          container.setContextFactory(contextFactory);
    73          container.setPreparerFactory(prepFactory);
    74          container.setApplicationContext(tilesContext);
    75
    76          container.init(getInitParameterMap(context));
    77
    78      }
    79
    80      /***
    81       * Wrapper factory, used to decorate the TilesRequestContext with a
    82       * FreemarkerResult aware version.
    83       *
    84       */
    85      class StrutsTilesContextFactory implements TilesContextFactory {
    86
    87          private TilesContextFactory factory;
    88
    89          public StrutsTilesContextFactory(TilesContextFactory factory) {
    90              this.factory = factory;
    91          }
    92
    93          public void init(Map map) {
    94              factory.init(map);
    95          }
    96
    97          public TilesApplicationContext createApplicationContext(Object context) {
    98              return factory.createApplicationContext(context);
    99          }
    100
    101         public TilesRequestContext createRequestContext(TilesApplicationContext tilesApplicationContext, Object request, Object response) {
    102             TilesRequestContext context = factory.createRequestContext(tilesApplicationContext, request, response);
    103             return new StrutsTilesRequestContext(context);
    104         }
    105
    106         public TilesRequestContext createRequestContext(TilesApplicationContext tilesApplicationContext, PageContext pageContext) {
    107             TilesRequestContext context = factory.createRequestContext(tilesApplicationContext, pageContext);
    108             return new StrutsTilesRequestContext(context);
    109         }
    110     }
    111 }