01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * 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.cocoon.components.expression;
18:
19: import java.io.IOException;
20:
21: import org.apache.avalon.framework.CascadingThrowable;
22:
23: /**
24: * @version $Id: ExpressionException.java 449189 2006-09-23 06:52:29Z crossley $
25: */
26: public class ExpressionException extends IOException implements
27: CascadingThrowable {
28:
29: /**
30: * The Throwable that caused this exception to be thrown.
31: */
32: private final Throwable throwable;
33:
34: /**
35: * Construct a new <code>ExpressionException</code> instance.
36: *
37: * @param message the detail message for this exception.
38: */
39: public ExpressionException(final String message) {
40: this (message, null);
41: }
42:
43: /**
44: * Construct a new <code>ExpressionException</code> instance.
45: *
46: * @param message the detail message for this exception.
47: * @param throwable the root cause of the exception.
48: */
49: public ExpressionException(final String message,
50: final Throwable throwable) {
51: super (message);
52: this .throwable = throwable;
53: }
54:
55: /**
56: * Retrieve the cause of the exception.
57: *
58: * @return the cause.
59: */
60: public final Throwable getCause() {
61: return this.throwable;
62: }
63: }
|