/*
* Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors.
*
* 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.switchyard.deploy.cdi;
import java.io.IOException;
import java.io.InputStream;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.event.Observes;
import javax.enterprise.inject.spi.AfterDeploymentValidation;
import javax.enterprise.inject.spi.BeforeShutdown;
import javax.enterprise.inject.spi.Extension;
import org.switchyard.ServiceDomain;
import org.switchyard.common.type.Classes;
import org.switchyard.deploy.ActivatorLoader;
import org.switchyard.deploy.ServiceDomainManager;
import org.switchyard.deploy.internal.AbstractDeployment;
import org.switchyard.deploy.internal.Deployment;
/**
* Deployer implemented as a CDI extension. The deployer kicks in after all
* switchyard services and references have been discovered by the Bean component
* CDI extension.
* @author <a href="mailto:tom.fennelly@gmail.com">tom.fennelly@gmail.com</a>
*/
@ApplicationScoped
public class SwitchYardCDIDeployer implements Extension {
private Deployment _deployment;
/**
* {@link AfterDeploymentValidation} CDI event observer.
*
* @param event CDI Event instance.
*/
public void afterDeploymentValidation(@Observes AfterDeploymentValidation event) {
InputStream swConfigStream;
try {
swConfigStream = Classes.getResourceAsStream(AbstractDeployment.SWITCHYARD_XML, getClass());
} catch (IOException ioe) {
swConfigStream = null;
}
if (swConfigStream != null) {
try {
_deployment = new Deployment(swConfigStream);
} catch (java.io.IOException ioEx) {
throw CDIDeployMessages.MESSAGES.failedReadingConfig(ioEx);
} finally {
try {
swConfigStream.close();
} catch (IOException ioEx) {
ioEx.getMessage(); // keeps checkstyle happy
}
}
ServiceDomain domain = new ServiceDomainManager().createDomain();
_deployment.init(domain, ActivatorLoader.createActivators(domain));
_deployment.start();
}
}
/**
* {@link BeforeShutdown} CDI event observer.
*
* @param event CDI Event instance.
*/
public void beforeShutdown(@Observes BeforeShutdown event) {
if (_deployment != null) {
_deployment.stop();
_deployment.destroy();
}
}
}