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    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.applet.Applet;
    21  import java.util.Iterator;
    22
    23  import org.apache.commons.collections.iterators.ArrayIterator;
    24
    25  /***
    26   * A configuration wrapper to read applet parameters. 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 AppletConfiguration extends BaseWebConfiguration
    35  {
    36      /*** Stores the wrapped applet.*/
    37      protected Applet applet;
    38
    39      /***
    40       * Create an AppletConfiguration using the initialization parameters of
    41       * the specified Applet.
    42       *
    43       * @param applet the applet
    44       */
    45      public AppletConfiguration(Applet applet)
    46      {
    47          this.applet = applet;
    48      }
    49
    50      public Object getProperty(String key)
    51      {
    52          return handleDelimiters(applet.getParameter(key));
    53      }
    54
    55      public Iterator getKeys()
    56      {
    57          String[][] paramsInfo = applet.getParameterInfo();
    58          String[] keys = new String[paramsInfo != null ? paramsInfo.length : 0];
    59          for (int i = 0; i < keys.length; i++)
    60          {
    61              keys[i] = paramsInfo[i][0];
    62          }
    63
    64          return new ArrayIterator(keys);
    65      }
    66  }