Coverage report

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org.apache.commons.configuration.web.ServletConfiguration
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 1   
 /*
 2   
  * Copyright 2004 The Apache Software Foundation.
 3   
  *
 4   
  * Licensed under the Apache License, Version 2.0 (the "License")
 5   
  * you may not use this file except in compliance with the License.
 6   
  * You may obtain a copy of the License at
 7   
  *
 8   
  *     http://www.apache.org/licenses/LICENSE-2.0
 9   
  *
 10   
  * Unless required by applicable law or agreed to in writing, software
 11   
  * distributed under the License is distributed on an "AS IS" BASIS,
 12   
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 13   
  * See the License for the specific language governing permissions and
 14   
  * limitations under the License.
 15   
  */
 16   
 
 17   
 package org.apache.commons.configuration.web;
 18   
 
 19   
 import java.util.Iterator;
 20   
 import java.util.List;
 21   
 import javax.servlet.Servlet;
 22   
 import javax.servlet.ServletConfig;
 23   
 
 24   
 import org.apache.commons.collections.iterators.EnumerationIterator;
 25   
 import org.apache.commons.configuration.AbstractConfiguration;
 26   
 import org.apache.commons.configuration.PropertyConverter;
 27   
 
 28   
 /**
 29   
  * A configuration wrapper around a {@link ServletConfig}. This configuration
 30   
  * is read only, adding or removing a property will throw an
 31   
  * UnsupportedOperationException.
 32   
  *
 33   
  * @author <a href="mailto:ebourg@apache.org">Emmanuel Bourg</a>
 34   
  * @version $Revision: 155408 $, $Date: 2005-02-26 13:56:39 +0100 (Sa, 26 Feb 2005) $
 35   
  * @since 1.1
 36   
  */
 37   
 public class ServletConfiguration extends AbstractConfiguration
 38   
 {
 39   
     protected ServletConfig config;
 40   
 
 41   
     /**
 42   
      * Create a ServletConfiguration using the initialization parameter of
 43   
      * the specified servlet.
 44   
      *
 45   
      * @param servlet the servlet
 46   
      */
 47  54 
     public ServletConfiguration(Servlet servlet)
 48  54 
     {
 49  98 
         this(servlet.getServletConfig());
 50  98 
     }
 51   
 
 52   
     /**
 53   
      * Create a ServletConfiguration using the servlet initialization parameters.
 54   
      *
 55   
      * @param config the servlet configuration
 56  72 
      */
 57  72 
     public ServletConfiguration(ServletConfig config)
 58  184 
     {
 59  112 
         this.config = config;
 60  112 
     }
 61   
 
 62  45 
     public Object getProperty(String key)
 63   
     {
 64  98 
         Object value = config.getInitParameter(key);
 65  98 
         List list = PropertyConverter.split((String) value, getDelimiter());
 66   
 
 67  98 
         return list.size() > 1 ? list : value;
 68   
     }
 69   
 
 70   
     /**
 71   
      * <p><strong>This operation is not supported and will throw an
 72   
      * UnsupportedOperationException.</strong></p>
 73  9 
      *
 74   
      * @throws UnsupportedOperationException
 75   
      */
 76   
     protected void addPropertyDirect(String key, Object obj)
 77   
     {
 78  32 
         throw new UnsupportedOperationException("Read only configuration");
 79   
     }
 80   
 
 81   
     public boolean isEmpty()
 82   
     {
 83  46 
         return !getKeys().hasNext();
 84   
     }
 85   
 
 86   
     public boolean containsKey(String key)
 87   
     {
 88  28 
         return getProperty(key) != null;
 89   
     }
 90   
 
 91   
     /**
 92   
      * <p><strong>This operation is not supported and will throw an
 93   
      * UnsupportedOperationException.</strong></p>
 94  9 
      *
 95   
      * @throws UnsupportedOperationException
 96   
      */
 97   
     public void clearProperty(String key)
 98   
     {
 99  50 
         throw new UnsupportedOperationException("Read only configuration");
 100   
     }
 101   
 
 102   
     public Iterator getKeys()
 103   
     {
 104  42 
         return new EnumerationIterator(config.getInitParameterNames());
 105   
     }
 106   
 
 107   
 }

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