Removing the dependency on the ExceptionUtils class in Apache Commons
as that dependency is only available at test time
This commit is contained in:
Christopher L. Shannon 2015-07-31 20:16:01 -04:00
parent 310c2bb059
commit b64b8ba27e
2 changed files with 56 additions and 3 deletions

View File

@ -42,7 +42,7 @@ import org.apache.activemq.broker.jmx.ProducerViewMBean;
import org.apache.activemq.broker.jmx.QueueViewMBean;
import org.apache.activemq.broker.jmx.SubscriptionViewMBean;
import org.apache.activemq.broker.jmx.TopicViewMBean;
import org.apache.commons.lang.exception.ExceptionUtils;
import org.apache.activemq.web.util.ExceptionUtils;
import org.springframework.util.StringUtils;
/**
@ -135,8 +135,7 @@ public abstract class BrokerFacadeSupport implements BrokerFacade {
return destinationViewMBean;
}
} catch (Exception ex) {
Class<InstanceNotFoundException> infe = InstanceNotFoundException.class;
if (!infe.isInstance(ex) && !infe.isInstance(ExceptionUtils.getRootCause(ex))) {
if (!ExceptionUtils.isRootCause(ex, InstanceNotFoundException.class)) {
// Only throw if not an expected InstanceNotFoundException exception
throw ex;
}

View File

@ -0,0 +1,54 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.activemq.web.util;
public class ExceptionUtils {
/**
* Finds the root cause of an exception. Will return the original
* exception if the first getCause returns null.
*
* @param e
* @return
*/
public static Throwable getRootCause(final Throwable e) {
Throwable result = e;
//loop over to find the root cause while guarding against cycles
while(result != null && result.getCause() != null
&& e != result.getCause() && result != result.getCause() ) {
result = result.getCause();
}
return result;
}
/**
* Returns true if the passed in class is the root cause of the exception
*
* @param e
* @param clazz
* @return
*/
public static boolean isRootCause(final Throwable e, final Class<?> clazz) {
if (clazz == null || e == null) {
return false;
}
return clazz.isInstance(getRootCause(e));
}
}