/**
* 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.activemq;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Date;
import java.util.concurrent.TimeUnit;
import org.apache.activemq.broker.BrokerFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.spring.Utils;
import org.junit.After;
import org.junit.Rule;
import org.junit.rules.TestWatcher;
import org.junit.runner.Description;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.io.Resource;
public class RuntimeConfigTestSupport {
public static final Logger LOG = LoggerFactory.getLogger(RuntimeConfigTestSupport.class);
public static final int SLEEP = 4; // seconds
public static final String EMPTY_UPDATABLE_CONFIG = "emptyUpdatableConfig1000" ;
protected BrokerService brokerService;
@Rule
public TestWatcher watchman = new TestWatcher() {
@Override
public void starting(Description description) {
LOG.info("{} being run...", description.getMethodName());
}
};
public void startBroker(String configFileName) throws Exception {
brokerService = createBroker(configFileName);
brokerService.start();
brokerService.waitUntilStarted();
// File system lastMod time granularity can be up to 2 seconds
TimeUnit.SECONDS.sleep(SLEEP);
}
public BrokerService createBroker(String configFileName) throws Exception {
brokerService = new BrokerService();
return BrokerFactory.createBroker("xbean:org/apache/activemq/" + configFileName + ".xml");
}
protected void applyNewConfig(String configName, String newConfigName) throws Exception {
applyNewConfig(configName, newConfigName, 0l);
}
protected void applyNewConfig(String configName, String newConfigName, long sleep) throws Exception {
Resource resource = Utils.resourceFromString("org/apache/activemq");
File file = new File(resource.getFile(), configName + ".xml");
FileOutputStream current = new FileOutputStream(file);
FileInputStream modifications = new FileInputStream(new File(resource.getFile(), newConfigName + ".xml"));
modifications.getChannel().transferTo(0, Long.MAX_VALUE, current.getChannel());
current.flush();
current.getChannel().force(true);
current.close();
modifications.close();
LOG.info("Updated: " + file + " (" + file.lastModified() + ") " + new Date(file.lastModified()));
if (sleep > 0) {
// wait for mods to kick in
TimeUnit.SECONDS.sleep(sleep);
}
}
@After
public void stopBroker() throws Exception {
brokerService.stop();
brokerService.waitUntilStopped();
}
}