org.apache.ibatis.reflection.ExceptionUtil Maven / Gradle / Ivy
/**
* Copyright 2009-2015 the original author or authors.
*
* 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.ibatis.reflection;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.UndeclaredThrowableException;
/**
* @author Clinton Begin
*/
public class ExceptionUtil {
private ExceptionUtil() {
// Prevent Instantiation
}
public static Throwable unwrapThrowable(Throwable wrapped) {
Throwable unwrapped = wrapped;
while (true) {
if (unwrapped instanceof InvocationTargetException) {
unwrapped = ((InvocationTargetException) unwrapped).getTargetException();
} else if (unwrapped instanceof UndeclaredThrowableException) {
unwrapped = ((UndeclaredThrowableException) unwrapped).getUndeclaredThrowable();
} else {
return unwrapped;
}
}
}
}