001    /**
002     * Copyright 2005-2013 The Kuali Foundation
003     *
004     * Licensed under the Educational Community License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.opensource.org/licenses/ecl2.php
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.kuali.rice.ksb.messaging.web;
017    
018    import org.apache.commons.lang.StringUtils;
019    import org.apache.struts.action.ActionForm;
020    import org.apache.struts.action.ActionForward;
021    import org.apache.struts.action.ActionMapping;
022    import org.apache.struts.action.ActionMessages;
023    import org.kuali.rice.core.api.config.property.ConfigContext;
024    import org.kuali.rice.ksb.service.KSBServiceLocator;
025    import org.kuali.rice.ksb.util.KSBConstants;
026    
027    import javax.servlet.ServletException;
028    import javax.servlet.http.HttpServletRequest;
029    import javax.servlet.http.HttpServletResponse;
030    import java.io.IOException;
031    
032    
033    /**
034     * Struts action for interacting with the queue of messages.
035     *
036     * @author Kuali Rice Team (rice.collab@kuali.org)
037     */
038    public class ThreadPoolAction extends KSBAction {
039    
040        private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(ThreadPoolAction.class);
041    
042        public ActionForward start(ActionMapping mapping, ActionForm form, HttpServletRequest request,
043                HttpServletResponse response) throws IOException, ServletException {
044            return mapping.findForward("basic");
045        }
046    
047        public ActionMessages establishRequiredState(HttpServletRequest request, ActionForm actionForm) throws Exception {
048            ThreadPoolForm form = (ThreadPoolForm)actionForm;
049            form.setThreadPool(KSBServiceLocator.getThreadPool());
050            if (form.getCorePoolSize() == null) {
051                form.setCorePoolSize(form.getThreadPool().getCorePoolSize());
052            }
053            if (form.getMaximumPoolSize() == null) {
054                form.setMaximumPoolSize(form.getThreadPool().getMaximumPoolSize());
055            }
056            if (form.getTimeIncrement() == null) {
057                String timeIncrementValue = ConfigContext.getCurrentContextConfig().getProperty(KSBConstants.Config.ROUTE_QUEUE_TIME_INCREMENT_KEY);
058                if (!StringUtils.isEmpty(timeIncrementValue)) {
059                    form.setTimeIncrement(Long.parseLong(timeIncrementValue));
060                }
061            }
062            if (form.getMaxRetryAttempts() == null) {
063                String maxRetryAttemptsValue = ConfigContext.getCurrentContextConfig().getProperty(KSBConstants.Config.ROUTE_QUEUE_MAX_RETRY_ATTEMPTS_KEY);
064                if (!StringUtils.isEmpty(maxRetryAttemptsValue)) {
065                    form.setMaxRetryAttempts(Long.parseLong(maxRetryAttemptsValue));
066                }
067            }
068            return null;
069        }
070    
071    }