/* 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.camunda.bpm.extension.osgi.application.impl;
import org.camunda.bpm.application.ProcessApplicationInterface;
import org.camunda.bpm.engine.ProcessEngineConfiguration;
import org.camunda.bpm.extension.osgi.classloading.BundleDelegatingClassLoader;
import org.camunda.bpm.extension.osgi.classloading.ClassLoaderWrapper;
import org.camunda.bpm.extension.osgi.engine.ProcessEngineFactory;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
/**
* @author Daniel Meyer
* @author Roman Smirnov
* @author Ronny Bräunlich
*
*/
public class ProcessApplicationDeployer {
public ProcessApplicationInterface addProcessApplication(ServiceReference<ProcessApplicationInterface> reference) {
Bundle bundle = reference.getBundle();
BundleContext bundleContext = bundle.getBundleContext();
ClassLoader previous = Thread.currentThread().getContextClassLoader();
try {
ClassLoader cl = new BundleDelegatingClassLoader(bundle);
Thread.currentThread().setContextClassLoader(
new ClassLoaderWrapper(cl, ProcessEngineFactory.class.getClassLoader(), ProcessEngineConfiguration.class.getClassLoader(), previous));
ProcessApplicationInterface app = bundleContext.getService(reference);
app.deploy();
return app;
} finally {
Thread.currentThread().setContextClassLoader(previous);
}
}
public void removeProcessApplication(ServiceReference<ProcessApplicationInterface> reference, ProcessApplicationInterface service) {
service.undeploy();
}
}