edu.internet2.middleware.grouper.changeLog.esb.consumer.EsbMessagingPublisher Maven / Gradle / Ivy

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Internet2 Groups Management Toolkit
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/**
 * Copyright 2014 Internet2
 * 
 * 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.
 */
/*
 * @author Rob Hebron
 */

package edu.internet2.middleware.grouper.changeLog.esb.consumer;

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.logging.Log;

import edu.internet2.middleware.grouper.app.loader.GrouperDaemonUtils;
import edu.internet2.middleware.grouper.app.loader.GrouperLoaderConfig;
import edu.internet2.middleware.grouper.esb.listener.EsbListenerBase;
import edu.internet2.middleware.grouper.util.GrouperUtil;
import edu.internet2.middleware.grouperClient.messaging.GrouperMessageQueueType;
import edu.internet2.middleware.grouperClient.messaging.GrouperMessageSendParam;
import edu.internet2.middleware.grouperClient.messaging.GrouperMessagingEngine;
import edu.internet2.middleware.grouperClient.util.GrouperClientConfig;

import java.util.HashMap;
import java.util.Map;

/**
 *
 * Publishes Grouper events to messaging
 *
 */
public class EsbMessagingPublisher extends EsbListenerBase {

  /**
   * logger
   */
  @SuppressWarnings("unused")
  private static final Log LOG = GrouperUtil.getLog(EsbMessagingPublisher.class);

  /**
   * @see edu.internet2.middleware.grouper.esb.listener.EsbListenerBase#dispatchEvent(java.lang.String, java.lang.String)
   */
  @Override
  public boolean dispatchEvent(String eventJsonString, String consumerName) {
    return dispatchEvent(eventJsonString, consumerName, null);
  }
  
  public boolean dispatchEvent(String eventJsonString, String consumerName, String routingKey) {
    GrouperDaemonUtils.stopProcessingIfJobPaused();

    String messagingSystemName = GrouperLoaderConfig.retrieveConfig()
        .propertyValueString("changeLog.consumer."
            + consumerName + ".publisher.messagingSystemName");
    if (StringUtils.isBlank(messagingSystemName)) {
      messagingSystemName = GrouperClientConfig.retrieveConfig()
          .propertyValueString("grouper.messaging.default.name.of.messaging.system");
    }
    
    if (StringUtils.isBlank(messagingSystemName)) {
      throw new RuntimeException("Set changeLog.consumer." + consumerName + 
          ".publisher.messagingSystemName or " +
          "grouper.messaging.default.name.of.messaging.system in grouper client properties");
    }
    String queueOrTopicName = GrouperLoaderConfig.retrieveConfig().propertyValueString(
        "changeLog.consumer."
            + consumerName + ".publisher.queueOrTopicName");
    
    String messageQueueType = GrouperLoaderConfig.retrieveConfig().propertyValueStringRequired("changeLog.consumer." 
        + consumerName + ".publisher.messageQueueType");
    GrouperMessageQueueType grouperMessageQueueType = GrouperMessageQueueType.valueOfIgnoreCase(messageQueueType, true);
    
    routingKey = StringUtils.isBlank(routingKey) ? GrouperLoaderConfig.retrieveConfig().propertyValueString("changeLog.consumer." 
        + consumerName + ".publisher.routingKey", ""): routingKey;
        
    String exchangeType = GrouperLoaderConfig.retrieveConfig().propertyValueString("changeLog.consumer." 
        + consumerName + ".publisher.exchangeType");

    boolean autocreateObjects = GrouperLoaderConfig.retrieveConfig().propertyValueBoolean("loader.messaging.settings.autocreate.objects", true);

    Map extraArgs = null;
    for (int i=0;i<100;i++) {
      String key = GrouperLoaderConfig.retrieveConfig().propertyValueString("changeLog.consumer."
              + consumerName + ".publisher.queueArgs." + i + ".key");
      if (key == null || "".equals(key)) {
        break;
      }

      String value = GrouperLoaderConfig.retrieveConfig().propertyValueString("changeLog.consumer."
              + consumerName + ".publisher.queueArgs." + i + ".value");

      if (extraArgs == null) {
        extraArgs = new HashMap<>();
      }
      extraArgs.put(key, value);
    }

    GrouperMessagingEngine.send(new GrouperMessageSendParam()
        .assignGrouperMessageSystemName(messagingSystemName)
        .assignQueueType(grouperMessageQueueType)
        .assignAutocreateObjects(autocreateObjects)
        .addMessageBody(eventJsonString)
        .assignQueueOrTopicName(queueOrTopicName)
        .assignRoutingKey(routingKey)
        .assignExchangeType(exchangeType)
        .assignQueueArguments(extraArgs));
    return true;
    
  }


  /**
   * @see edu.internet2.middleware.grouper.esb.listener.EsbListenerBase#disconnect()
   */
  @Override
  public void disconnect() {
    // Unused, client does not maintain a persistent connection in this version

  }

}