Coverage Report - org.apache.commons.configuration.web.BaseWebConfiguration
 
Classes in this File Line Coverage Branch Coverage Complexity
BaseWebConfiguration
100%
5/5
100%
2/2
1,5
 
 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  
 package org.apache.commons.configuration.web;
 18  
 
 19  
 import org.apache.commons.configuration.AbstractConfiguration;
 20  
 
 21  
 /**
 22  
  * <p>
 23  
  * An abstract base class for all web configurations.
 24  
  * </p>
 25  
  * <p>
 26  
  * This class implements common functionality used by all web based
 27  
  * configurations. E.g. some methods are not supported by configurations of this
 28  
  * type, so they throw a <code>UnsupportedOperationException</code> exception.
 29  
  * </p>
 30  
  *
 31  
  * @author Oliver Heger
 32  
  * @version $Id: BaseWebConfiguration.java 439648 2006-09-02 20:42:10Z oheger $
 33  
  * @since 1.2
 34  
  */
 35  40
 abstract class BaseWebConfiguration extends AbstractConfiguration
 36  
 {
 37  
     /**
 38  
      * Checks if this configuration is empty. This implementation makes use of
 39  
      * the <code>getKeys()</code> method (which must be defined by concrete
 40  
      * sub classes) to find out whether properties exist.
 41  
      *
 42  
      * @return a flag whether this configuration is empty
 43  
      */
 44  
     public boolean isEmpty()
 45  
     {
 46  10
         return !getKeys().hasNext();
 47  
     }
 48  
 
 49  
     /**
 50  
      * Checks whether the specified key is stored in this configuration.
 51  
      *
 52  
      * @param key the key
 53  
      * @return a flag whether this key exists in this configuration
 54  
      */
 55  
     public boolean containsKey(String key)
 56  
     {
 57  10
         return getProperty(key) != null;
 58  
     }
 59  
 
 60  
     /**
 61  
      * Removes the property with the given key. <strong>This operation is not
 62  
      * supported and will throw an UnsupportedOperationException.</strong>
 63  
      *
 64  
      * @param key the key of the property to be removed
 65  
      * @throws UnsupportedOperationException because this operation is not
 66  
      * allowed
 67  
      */
 68  
     public void clearProperty(String key)
 69  
     {
 70  5
         throw new UnsupportedOperationException("Read only configuration");
 71  
     }
 72  
 
 73  
     /**
 74  
      * Adds a property to this configuration. <strong>This operation is not
 75  
      * supported and will throw an UnsupportedOperationException.</strong>
 76  
      *
 77  
      * @param key the key of the property
 78  
      * @param obj the value to be added
 79  
      * @throws UnsupportedOperationException because this operation is not
 80  
      * allowed
 81  
      */
 82  
     protected void addPropertyDirect(String key, Object obj)
 83  
     {
 84  5
         throw new UnsupportedOperationException("Read only configuration");
 85  
     }
 86  
 }