/**
* 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.camel.util;
import org.apache.camel.Endpoint;
import org.apache.camel.Exchange;
import org.apache.camel.PollingConsumer;
import org.apache.camel.Processor;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Some helper methods for working with {@link Endpoint} instances
*
* @version $Revision: 640438 $
*/
public final class EndpointHelper {
private static final transient Log LOG = LogFactory.getLog(EndpointHelper.class);
private EndpointHelper() {
//Utility Class
}
/**
* Creates a {@link PollingConsumer} and polls all pending messages on the endpoint
* and invokes the given {@link Processor} to process each {@link Exchange} and then closes
* down the consumer and throws any exceptions thrown.
*
* @param endpoint
* @param processor
*/
public static void pollEndpoint(Endpoint endpoint, Processor processor, long timeout) throws Exception {
PollingConsumer consumer = endpoint.createPollingConsumer();
try {
consumer.start();
while (true) {
Exchange exchange = consumer.receive(timeout);
if (exchange == null) {
break;
} else {
processor.process(exchange);
}
}
} finally {
try {
consumer.stop();
} catch (Exception e) {
LOG.warn("Failed to stop PollingConsumer: " + e, e);
}
}
}
/**
* Creates a {@link PollingConsumer} and polls all pending messages on the
* endpoint and invokes the given {@link Processor} to process each
* {@link Exchange} and then closes down the consumer and throws any
* exceptions thrown.
*
* @param endpoint
* @param processor
*/
public static void pollEndpoint(Endpoint endpoint, Processor processor) throws Exception {
pollEndpoint(endpoint, processor, 1000L);
}
}