/**
* Copyright 2004-2005 jManage.org
*
* 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.jmanage.webui.actions.config;
import org.jmanage.webui.actions.BaseAction;
import org.jmanage.webui.util.WebContext;
import org.jmanage.webui.util.Forwards;
import org.jmanage.webui.forms.ApplicationClusterForm;
import org.jmanage.core.config.ApplicationConfig;
import org.jmanage.core.config.ApplicationConfigManager;
import org.jmanage.core.config.ApplicationClusterConfig;
import org.jmanage.core.util.UserActivityLogger;
import org.jmanage.core.services.AccessController;
import org.jmanage.util.StringUtils;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.List;
import java.util.LinkedList;
import java.util.Iterator;
/**
*
* date: Oct 17, 2004
* @author Rakesh Kalra
*/
public class SaveApplicationClusterAction extends BaseAction {
/* todo: add and update operations should be moved to ApplicationConfigManager
and should be synchronized */
public ActionForward execute(WebContext context,
ActionMapping mapping,
ActionForm actionForm,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
AccessController.checkAccess(context.getServiceContext(), ACL_ADD_APPLICATIONS);
ApplicationClusterForm clusterForm = (ApplicationClusterForm)actionForm;
String[] childAppIds =
StringUtils.csvToStringArray(clusterForm.getSelectedChildApplications());
/* build list of new child applications */
List<ApplicationConfig> newChildApplications = getNewChildApplications(childAppIds);
String applicationId = clusterForm.getApplicationId();
if(applicationId != null){
/* update existing application */
ApplicationClusterConfig clusterConfig =
(ApplicationClusterConfig)
ApplicationConfigManager.getApplicationConfig(applicationId);
assert clusterConfig != null;
clusterConfig.setName(clusterForm.getName());
final List oldChildApplications = clusterConfig.getApplications();
/* add applications outside the cluster
(applications that are no longer in the cluster) */
for(Iterator it=oldChildApplications.iterator();it.hasNext();){
ApplicationConfig appConfig = (ApplicationConfig)it.next();
if(!newChildApplications.contains(appConfig)){
ApplicationConfigManager.addApplication(appConfig);
appConfig.setClusterConfig(null);
}
}
/* remove applications outside the cluster
(applications that are now part of cluster) */
for(Iterator it=newChildApplications.iterator();it.hasNext();){
ApplicationConfig appConfig = (ApplicationConfig)it.next();
if(!oldChildApplications.contains(appConfig)){
ApplicationConfigManager.deleteApplication(appConfig);
appConfig.setClusterConfig(clusterConfig);
}
}
clusterConfig.setApplications(newChildApplications);
ApplicationConfigManager.updateApplication(clusterConfig);
UserActivityLogger.getInstance().logActivity(
context.getUser().getUsername(),
"Updated application cluster "+ "\""+clusterConfig.getName()+"\"");
}else{
/* add new application cluster */
ApplicationClusterConfig clusterConfig =
new ApplicationClusterConfig(
ApplicationConfig.getNextApplicationId(),
clusterForm.getName());
for(Iterator it=newChildApplications.iterator();it.hasNext();){
ApplicationConfig appConfig = (ApplicationConfig)it.next();
appConfig.setClusterConfig(clusterConfig);
ApplicationConfigManager.deleteApplication(appConfig, true);
}
clusterConfig.setApplications(newChildApplications);
/* remove from stand-alone list */
ApplicationConfigManager.addApplication(clusterConfig);
UserActivityLogger.getInstance().logActivity(
context.getUser().getUsername(),
"Added application cluster "+ "\""+clusterConfig.getName()+"\"");
}
return mapping.findForward(Forwards.SUCCESS);
}
private List<ApplicationConfig> getNewChildApplications(String[] childAppIds){
/* build list of new child applications */
List<ApplicationConfig> newChildApplications = new LinkedList<ApplicationConfig>();
if(childAppIds != null){
for(int i=0; i < childAppIds.length; i++){
ApplicationConfig newChildApplication =
ApplicationConfigManager.getApplicationConfig(childAppIds[i]);
newChildApplications.add(
newChildApplication);
}
}
return newChildApplications;
}
}