Coverage Report - org.apache.commons.configuration.web.BaseWebConfiguration
 
Classes in this File Line Coverage Branch Coverage Complexity
BaseWebConfiguration
100%
9/9
90%
9/10
2
 
 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 java.util.List;
 20  
 
 21  
 import org.apache.commons.configuration.AbstractConfiguration;
 22  
 import org.apache.commons.configuration.PropertyConverter;
 23  
 
 24  
 /**
 25  
  * <p>
 26  
  * An abstract base class for all web configurations.
 27  
  * </p>
 28  
  * <p>
 29  
  * This class implements common functionality used by all web based
 30  
  * configurations. E.g. some methods are not supported by configurations of this
 31  
  * type, so they throw a {@code UnsupportedOperationException} exception.
 32  
  * </p>
 33  
  *
 34  
  * @author <a
 35  
  * href="http://commons.apache.org/configuration/team-list.html">Commons
 36  
  * Configuration team</a>
 37  
  * @version $Id: BaseWebConfiguration.java 1211122 2011-12-06 20:55:45Z oheger $
 38  
  * @since 1.2
 39  
  */
 40  45
 abstract class BaseWebConfiguration extends AbstractConfiguration
 41  
 {
 42  
     /**
 43  
      * Checks if this configuration is empty. This implementation makes use of
 44  
      * the {@code getKeys()} method (which must be defined by concrete
 45  
      * sub classes) to find out whether properties exist.
 46  
      *
 47  
      * @return a flag whether this configuration is empty
 48  
      */
 49  
     public boolean isEmpty()
 50  
     {
 51  8
         return !getKeys().hasNext();
 52  
     }
 53  
 
 54  
     /**
 55  
      * Checks whether the specified key is stored in this configuration.
 56  
      *
 57  
      * @param key the key
 58  
      * @return a flag whether this key exists in this configuration
 59  
      */
 60  
     public boolean containsKey(String key)
 61  
     {
 62  8
         return getProperty(key) != null;
 63  
     }
 64  
 
 65  
     /**
 66  
      * Removes the property with the given key. <strong>This operation is not
 67  
      * supported and will throw an UnsupportedOperationException.</strong>
 68  
      *
 69  
      * @param key the key of the property to be removed
 70  
      * @throws UnsupportedOperationException because this operation is not
 71  
      * allowed
 72  
      */
 73  
     @Override
 74  
     public void clearProperty(String key)
 75  
     {
 76  4
         throw new UnsupportedOperationException("Read only configuration");
 77  
     }
 78  
 
 79  
     /**
 80  
      * Adds a property to this configuration. <strong>This operation is not
 81  
      * supported and will throw an UnsupportedOperationException.</strong>
 82  
      *
 83  
      * @param key the key of the property
 84  
      * @param obj the value to be added
 85  
      * @throws UnsupportedOperationException because this operation is not
 86  
      * allowed
 87  
      */
 88  
     @Override
 89  
     protected void addPropertyDirect(String key, Object obj)
 90  
     {
 91  4
         throw new UnsupportedOperationException("Read only configuration");
 92  
     }
 93  
 
 94  
     /**
 95  
      * Takes care of list delimiters in property values. This method checks if
 96  
      * delimiter parsing is enabled and the passed in value contains a delimiter
 97  
      * character. If this is the case, a split operation is performed.
 98  
      *
 99  
      * @param value the property value to be examined
 100  
      * @return the processed value
 101  
      */
 102  
     protected Object handleDelimiters(Object value)
 103  
     {
 104  39
         if (!isDelimiterParsingDisabled() && value instanceof String)
 105  
         {
 106  33
             List<String> list = PropertyConverter.split((String) value,
 107  
                     getListDelimiter());
 108  33
             value = list.size() > 1 ? list : list.get(0);
 109  
         }
 110  
 
 111  39
         return value;
 112  
     }
 113  
 }