/**
    * Copyright 2005-2012 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.rice.ksb.messaging.web;
  
  import org.apache.commons.lang.StringUtils;
  import org.apache.struts.action.ActionForm;
  import org.apache.struts.action.ActionForward;
  import org.apache.struts.action.ActionMapping;
  import org.apache.struts.action.ActionMessages;
  import org.kuali.rice.core.api.config.property.ConfigContext;
  import org.kuali.rice.ksb.service.KSBServiceLocator;
  import org.kuali.rice.ksb.util.KSBConstants;
  
  import javax.servlet.ServletException;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import java.io.IOException;
  
  
  /**
   * Struts action for interacting with the queue of messages.
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class ThreadPoolAction extends KSBAction {
  
      private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(ThreadPoolAction.class);
  
      public ActionForward start(ActionMapping mapping, ActionForm form, HttpServletRequest request,
  	    HttpServletResponse response) throws IOException, ServletException {
  	return mapping.findForward("basic");
      }
  
      public ActionMessages establishRequiredState(HttpServletRequest request, ActionForm actionForm) throws Exception {
  	ThreadPoolForm form = (ThreadPoolForm)actionForm;
  	form.setThreadPool(KSBServiceLocator.getThreadPool());
  	if (form.getCorePoolSize() == null) {
  	    form.setCorePoolSize(form.getThreadPool().getCorePoolSize());
  	}
  	if (form.getMaximumPoolSize() == null) {
  	    form.setMaximumPoolSize(form.getThreadPool().getMaximumPoolSize());
  	}
  	if (form.getTimeIncrement() == null) {
  	    String timeIncrementValue = ConfigContext.getCurrentContextConfig().getProperty(KSBConstants.Config.ROUTE_QUEUE_TIME_INCREMENT_KEY);
  	    if (!StringUtils.isEmpty(timeIncrementValue)) {
  		form.setTimeIncrement(Long.parseLong(timeIncrementValue));
  	    }
  	}
  	if (form.getMaxRetryAttempts() == null) {
  	    String maxRetryAttemptsValue = ConfigContext.getCurrentContextConfig().getProperty(KSBConstants.Config.ROUTE_QUEUE_MAX_RETRY_ATTEMPTS_KEY);
  	    if (!StringUtils.isEmpty(maxRetryAttemptsValue)) {
  		form.setMaxRetryAttempts(Long.parseLong(maxRetryAttemptsValue));
  	    }
  	}
  	return null;
      }
  
  }