/*
* 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.sling.ide.transport;
import java.util.HashMap;
import java.util.Map;
import org.osgi.service.event.Event;
import org.osgi.service.event.EventAdmin;
public class TracingCommand<T> implements Command<T> {
public static <T> TracingCommand<T> wrap(Command<T> command, EventAdmin eventAdmin) {
return new TracingCommand<T>(command, eventAdmin);
}
private final Command<T> command;
private final EventAdmin eventAdmin;
public TracingCommand(Command<T> command, EventAdmin eventAdmin) {
this.command = command;
this.eventAdmin = eventAdmin;
}
@Override
public Result<T> execute() {
long start = System.currentTimeMillis();
Result<T> result = command.execute();
long end = System.currentTimeMillis();
if (eventAdmin != null) {
Map<String, Object> props = new HashMap<String, Object>();
props.put(CommandExecutionProperties.RESULT_TEXT, result.toString());
try {
result.get();
} catch (RepositoryException e) {
props.put(CommandExecutionProperties.RESULT_THROWABLE, e);
}
props.put(CommandExecutionProperties.ACTION_TYPE, command.getClass().getSimpleName());
props.put(CommandExecutionProperties.ACTION_TARGET, command.getPath());
props.put(CommandExecutionProperties.TIMESTAMP_START, start);
props.put(CommandExecutionProperties.TIMESTAMP_END, end);
Event event = new Event(CommandExecutionProperties.REPOSITORY_TOPIC, props);
eventAdmin.postEvent(event);
}
return result;
}
public String getPath() {
return command.getPath();
}
}