/*
* Copyright 2002-2009 the original author or authors.
*
* Licensed 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.springframework.flex.samples.integration;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
*
* @author Mark Fisher
* @author Jeremy Grelle
*/
public class Counter {
private volatile boolean running;
private final Log log = LogFactory.getLog(Counter.class);
private final AtomicInteger count = new AtomicInteger();
public Integer next() {
return this.running ? this.count.getAndIncrement() : null;
}
public void handle(String message) {
if ("start".equalsIgnoreCase(message)) {
this.running = true;
} else if ("stop".equalsIgnoreCase(message)) {
this.running = false;
} else {
try {
this.count.set(Integer.parseInt(message));
} catch (NumberFormatException e) {
this.log.info("UNSUPPORTED FLEX MESSAGE RECEIVED: " + message);
}
}
}
}