001    // Copyright 2008 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry5.internal.services;
016    
017    /**
018     * Exception thrown when there is a problem parsing a property expression using the ANTLR property expression grammar.
019     */
020    public class PropertyExpressionException extends RuntimeException
021    {
022        private final String expression;
023    
024        public PropertyExpressionException(String message, String expression, Throwable cause)
025        {
026            super(message, cause);
027    
028            this.expression = expression;
029        }
030    
031        /**
032         * Returns the property expression containing the error.
033         */
034        public String getExpression()
035        {
036            return expression;
037        }
038    }