/*
* 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.karaf.shell.log;
import org.ops4j.pax.logging.spi.PaxLoggingEvent;
import org.apache.karaf.shell.console.OsgiCommandSupport;
import org.apache.felix.gogo.commands.Command;
@Command(scope = "log", name = "display-exception", description = "Displays the last occurred exception from the log.")
public class DisplayException extends OsgiCommandSupport {
protected LruList events;
public LruList getEvents() {
return events;
}
public void setEvents(LruList events) {
this.events = events;
}
protected Object doExecute() throws Exception {
PaxLoggingEvent throwableEvent = null;
Iterable<PaxLoggingEvent> le = events.getElements(Integer.MAX_VALUE);
for (PaxLoggingEvent event : le) {
if (event.getThrowableStrRep() != null) {
throwableEvent = event;
// Do not break, as we iterate from the oldest to the newest event
}
}
if (throwableEvent != null) {
for (String r : throwableEvent.getThrowableStrRep()) {
System.out.println(r);
}
System.out.println();
}
return null;
}
}