- /*
- * Copyright 1999-2004 The Apache Software Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package org.apache.commons.jxpath;
-
- /**
- * Thrown in various situations by JXPath; may contain a nested exception.
- *
- * @author Dmitri Plotnikov
- * @version $Revision: 1.5 $ $Date: 2004/02/29 14:17:42 $
- */
-
- public class JXPathException extends RuntimeException {
-
- /** @serial */
- private Throwable exception;
-
- /**
- * Create a new <code>JXPathException</code> with no
- * detail mesage.
- */
-
- public JXPathException() {
- super();
- this.exception = null;
- }
-
- /**
- * Create a new <code>JXPathException</code> with
- * the <code>String </code> specified as an error message.
- *
- * @param msg The error message for the exception.
- */
- public JXPathException(String msg) {
- super(msg);
- this.exception = null;
- }
-
-
- /**
- * Create a new <code>JXPathException</code> with a
- * given <code>Throwable</code> base cause of the error.
- *
- * @param e The exception to be encapsulated in a
- * JXPathException.
- */
- public JXPathException(Throwable e) {
- super(e.toString());
- this.exception = e;
- }
-
- /**
- * Create a new <code>JXPathException</code> with the
- * given <code>Exception</code> base cause and detail message.
- *
- * @param e The exception to be encapsulated in a
- * JXPathException
- * @param msg The detail message.
- */
- public JXPathException(String msg, Throwable e) {
- super(msg);
- this.exception = e;
- }
-
-
- /**
- * Return the message (if any) for this error . If there is no
- * message for the exception and there is an encapsulated
- * exception then the message of that exception will be returned.
- *
- * @return The error message.
- */
- public String getMessage() {
- String message = super.getMessage();
-
- if (exception != null) {
- if (message == null) {
- if (exception.getMessage() != null) {
- return exception.getMessage();
- }
- else {
- return exception.getClass().getName();
- }
- }
- else {
- if (exception.getMessage() != null) {
- return message + "; " + exception.getMessage();
- }
- else {
- return message + "; " + exception.getClass().getName();
- }
- }
- }
-
- return message;
- }
-
- /**
- * Return the actual exception (if any) that caused this exception to
- * be raised.
- *
- * @return The encapsulated exception, or null if there is none.
- */
- public Throwable getException() {
- return exception;
- }
- }