/* 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.container.impl.deployment;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.logging.Level;
import org.camunda.bpm.application.AbstractProcessApplication;
import org.camunda.bpm.application.PreUndeploy;
import org.camunda.bpm.container.impl.deployment.util.InjectionUtil;
import org.camunda.bpm.container.impl.spi.DeploymentOperation;
import org.camunda.bpm.container.impl.spi.DeploymentOperationStep;
import org.camunda.bpm.engine.ProcessEngineException;
/**
* <p>Operation step responsible for invoking the {@literal @}{@link PreUndeploy} method of a
* ProcessApplication class.</p>
*
* @author Daniel Meyer
*
*/
public class PreUndeployInvocationStep extends DeploymentOperationStep {
public String getName() {
return "Invoking @PreUndeploy";
}
public void performOperationStep(DeploymentOperation operationContext) {
final AbstractProcessApplication processApplication = operationContext.getAttachment(Attachments.PROCESS_APPLICATION);
Class<? extends AbstractProcessApplication> paClass = processApplication.getClass();
Method preUndeployMethod = InjectionUtil.detectAnnotatedMethod(paClass, PreUndeploy.class);
if(preUndeployMethod == null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Found no @PreUndeploy annotated method.");
}
return;
}
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Found @PreUndeploy annotated method: " + preUndeployMethod.getName());
}
// resolve injections
Object[] injections = InjectionUtil.resolveInjections(operationContext, preUndeployMethod);
try {
// perform the actual invocation
preUndeployMethod.invoke(processApplication, injections);
} catch (IllegalArgumentException e) {
throw new ProcessEngineException("IllegalArgumentException while invoking @PreUndeploy method",e);
} catch (IllegalAccessException e) {
throw new ProcessEngineException("IllegalAccessException while invoking @PreUndeploy method", e);
} catch (InvocationTargetException e) {
Throwable cause = e.getCause();
if(cause instanceof RuntimeException) {
throw (RuntimeException) cause;
} else {
throw new ProcessEngineException("Exception while invoking @PreUndeploy method", cause);
}
}
}
}