com.ibm.mqlight.api.impl.logging.logback.ObjectIdConverter Maven / Gradle / Ivy
/**
* 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.
*/
/**
* A logback converter to support an object id customer conversion specifier.
*
* Note that this assumes that whenever the event has one of the trace markers (defined in {@link TraceFilter}) then the first argument for the event specifies the object id, or
* null implying no object id is appropriate.
*/
package com.ibm.mqlight.api.impl.logging.logback;
import org.slf4j.Marker;
import ch.qos.logback.classic.pattern.ClassicConverter;
import ch.qos.logback.classic.spi.ILoggingEvent;
public class ObjectIdConverter extends ClassicConverter {
@Override
public String convert(ILoggingEvent event) {
final String result;
final Marker marker = event.getMarker();
if (TraceFilter.traceMarkerMap.containsKey(marker)) {
final Object args[] = event.getArgumentArray();
if (args != null && args.length > 0) {
Object obj = event.getArgumentArray()[0];
result = obj == null ? "static" : "@"+Integer.toHexString(System.identityHashCode(obj));
} else {
result = "";
}
} else {
result = "";
}
return result;
}
}