001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017     
018    package org.apache.commons.beanutils;
019    
020    /** 
021     * Thrown to indicate that the <em>Bean Access Language</em> cannot execute query
022     * against given bean since a nested bean referenced is null.
023     *
024     * @author Robert Burrell Donkin
025     * @since 1.7
026     */
027    
028    public class NestedNullException extends BeanAccessLanguageException {
029        
030        // --------------------------------------------------------- Constuctors
031        
032        /** 
033         * Constructs a <code>NestedNullException</code> without a detail message.
034         */
035        public NestedNullException() {
036            super();
037        }
038        
039        /**
040         * Constructs a <code>NestedNullException</code> without a detail message.
041         * 
042         * @param message the detail message explaining this exception
043         */
044        public NestedNullException(String message) {
045            super(message);
046        }
047    }