ParserException


1   /*
2    * Copyright 2002-2006 the original author or authors.
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  package org.springframework.binding.expression;
17  
18  import org.springframework.core.NestedRuntimeException;
19  
20  /**
21   * Base class for exceptions thrown by expression parsing system.
22   * @author Keith Donald
23   */
24  public class ParserException extends NestedRuntimeException {
25  
26      /**
27       * The expression string that could not be parsed.
28       */
29      private String   expressionString;
30  
31      /**
32       * Creates a new parser exception.
33       * @param expressionString
34       * @param cause
35       */
36      public ParserException(String   expressionString, Throwable   cause) {
37          this(expressionString, cause, "Unable to parse expression string '" + expressionString + "'");
38      }
39  
40      /**
41       * Creates a new parser exception.
42       * @param expressionString
43       * @param cause
44       * @param message
45       */
46      public ParserException(String   expressionString, Throwable   cause, String   message) {
47          super(message, cause);
48          this.expressionString = expressionString;
49      }
50  
51      /**
52       * Returns the expression string that could not be parsed.
53       */
54      public Object   getExpressionString() {
55          return expressionString;
56      }
57  }
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