View Javadoc

    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  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
    18  package org.apache.commons.configuration.web;
    19
    20  import java.util.Iterator;
    21  import javax.servlet.FilterConfig;
    22
    23  import org.apache.commons.collections.iterators.EnumerationIterator;
    24
    25  /***
    26   * A configuration wrapper around a {@link FilterConfig}. This configuration is
    27   * read only, adding or removing a property will throw an
    28   * UnsupportedOperationException.
    29   *
    30   * @author <a href="mailto:ebourg@apache.org">Emmanuel Bourg</a>
    31   * @version $Revision: 515306 $, $Date: 2007-03-06 22:15:00 +0100 (Di, 06 Mrz 2007) $
    32   * @since 1.1
    33   */
    34  public class ServletFilterConfiguration extends BaseWebConfiguration
    35  {
    36      /*** Stores the wrapped filter config.*/
    37      protected FilterConfig config;
    38
    39      /***
    40       * Create a ServletFilterConfiguration using the filter initialization parameters.
    41       *
    42       * @param config the filter configuration
    43       */
    44      public ServletFilterConfiguration(FilterConfig config)
    45      {
    46          this.config = config;
    47      }
    48
    49      public Object getProperty(String key)
    50      {
    51          return handleDelimiters(config.getInitParameter(key));
    52      }
    53
    54      public Iterator getKeys()
    55      {
    56          return new EnumerationIterator(config.getInitParameterNames());
    57      }
    58  }