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/* 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.activiti.engine.impl.event;

import org.activiti.engine.delegate.event.ActivitiEventType;
import org.activiti.engine.delegate.event.impl.ActivitiEventBuilder;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.EventSubscriptionEntity;

/**

 */
public class MessageEventHandler extends AbstractEventHandler {

  public final static String EVENT_HANDLER_TYPE = "message";

  public String getEventHandlerType() {
    return EVENT_HANDLER_TYPE;
  }

  @Override
  public void handleEvent(EventSubscriptionEntity eventSubscription, Object payload, CommandContext commandContext) {
    // As stated in the ActivitiEventType java-doc, the message-event is
    // thrown before the actual message has been sent
    if (commandContext.getProcessEngineConfiguration().getEventDispatcher().isEnabled()) {
      commandContext
          .getProcessEngineConfiguration()
          .getEventDispatcher()
          .dispatchEvent(
              ActivitiEventBuilder.createMessageEvent(ActivitiEventType.ACTIVITY_MESSAGE_RECEIVED, eventSubscription.getActivityId(), eventSubscription.getEventName(), payload,
                  eventSubscription.getExecutionId(), eventSubscription.getProcessInstanceId(), eventSubscription.getExecution().getProcessDefinitionId()));
    }

    super.handleEvent(eventSubscription, payload, commandContext);
  }

}