/*
* 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.sirona.javaagent.listener;
import org.apache.sirona.configuration.Configuration;
import org.apache.sirona.configuration.ioc.AutoSet;
import org.apache.sirona.javaagent.AgentContext;
import org.apache.sirona.javaagent.logging.SironaAgentLogging;
import org.apache.sirona.spi.Order;
import org.apache.sirona.tracking.PathTracker;
import org.apache.sirona.tracking.PathTrackingInformation;
@Order( 1 )
@AutoSet
/**
* This listener is responsible to track/record class#method path using {@link org.apache.sirona.tracking.PathTracker}
*/
public class PathTrackingListener
extends ConfigurableListener
{
private static final Integer PATH_TRACKER_KEY = "Sirona-path-tracker-key".hashCode();
private static final boolean TRACKING_ACTIVATED =
Configuration.is( Configuration.CONFIG_PROPERTY_PREFIX + "javaagent.path.tracking.activate", false );
@Override
public boolean accept( String key )
{
boolean include = super.accept( key );
if ( !include )
{
return false;
}
SironaAgentLogging.debug(
"PathTrackingListener#accept, TRACKING_ACTIVATED: {0}, key: {1}", TRACKING_ACTIVATED, key );
return TRACKING_ACTIVATED;
}
/**
* executed before method called to configure the start {@link org.apache.sirona.tracking.PathTrackingInformation}
* and set various thread local variable as invocation level
* will call {@link org.apache.sirona.tracking.PathTracker#start(org.apache.sirona.tracking.PathTrackingInformation)}
*
* @param context
*/
@Override
public void before( AgentContext context )
{
String key = context.getKey();
SironaAgentLogging.debug( "PathTrackingListener#before: {0}", key );
int lastDot = key.lastIndexOf( "." );
String className = key.substring( 0, lastDot );
String methodName = key.substring( lastDot + 1, key.length() );
final PathTrackingInformation pathTrackingInformation =
new PathTrackingInformation( className, methodName );
SironaAgentLogging.debug( "call PathTracker#start with {0}", pathTrackingInformation );
context.put( PATH_TRACKER_KEY, PathTracker.start( pathTrackingInformation ) );
}
/**
* will call {@link org.apache.sirona.tracking.PathTracker#stop()}
*
* @param context
* @param result
* @param error
*/
@Override
public void after( AgentContext context, Object result, Throwable error )
{
SironaAgentLogging.debug( "PathTrackingListener#after: {0}", context.getKey() );
context.get( PATH_TRACKER_KEY, PathTracker.class ).stop();
}
}