/*
* RHQ Management Platform
* Copyright (C) 2005-2008 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.enterprise.gui.admin;
import javax.faces.application.FacesMessage;
import javax.faces.model.DataModel;
import org.rhq.core.domain.alert.AlertDefinition;
import org.rhq.core.domain.auth.Subject;
import org.rhq.core.domain.authz.Permission;
import org.rhq.core.domain.resource.ResourceType;
import org.rhq.core.domain.util.PageControl;
import org.rhq.core.domain.util.PageList;
import org.rhq.core.gui.util.FacesContextUtility;
import org.rhq.enterprise.gui.common.framework.PagedDataTableUIBean;
import org.rhq.enterprise.gui.common.paging.PageControlView;
import org.rhq.enterprise.gui.common.paging.PagedListDataModel;
import org.rhq.enterprise.gui.util.EnterpriseFacesContextUtility;
import org.rhq.enterprise.server.alert.AlertTemplateManagerLocal;
import org.rhq.enterprise.server.authz.AuthorizationManagerLocal;
import org.rhq.enterprise.server.util.LookupUtil;
public class ListAlertTemplatesUIBean extends PagedDataTableUIBean {
public static final String MANAGED_BEAN_NAME = "ListAlertTemplatesUIBean";
private ResourceType resourceType;
private AlertTemplateManagerLocal alertTemplateManager = LookupUtil.getAlertTemplateManager();
private AuthorizationManagerLocal authorizationManager = LookupUtil.getAuthorizationManager();
public ListAlertTemplatesUIBean() {
}
public String createNewAlertTemplate() {
Subject subject = EnterpriseFacesContextUtility.getSubject();
boolean isAuthorized = authorizationManager.hasGlobalPermission(subject, Permission.MANAGE_SETTINGS);
if (!isAuthorized) {
FacesContextUtility.addMessage(FacesMessage.SEVERITY_ERROR,
"User is not authorized to create new alert templates");
return "success"; // go back to the same page to show message
}
return "createNewAlertTemplate";
}
public String deleteSelectedAlertTemplates() {
Subject subject = EnterpriseFacesContextUtility.getSubject();
String[] selectedAlertDefinitions = getSelectedAlertDefinitions();
Integer[] alertDefinitionIds = getIntegerArray(selectedAlertDefinitions);
try {
alertTemplateManager.removeAlertTemplates(subject, alertDefinitionIds);
FacesContextUtility.addMessage(FacesMessage.SEVERITY_INFO, "Deleted " + alertDefinitionIds.length
+ " alert definitions.");
} catch (Exception e) {
FacesContextUtility.addMessage(FacesMessage.SEVERITY_ERROR, "Failed to delete alert definitions.", e);
}
return "success";
}
public String enableSelectedAlertTemplates() {
Subject subject = EnterpriseFacesContextUtility.getSubject();
String[] selectedAlertDefinitions = getSelectedAlertDefinitions();
Integer[] alertDefinitionIds = getIntegerArray(selectedAlertDefinitions);
try {
alertTemplateManager.enableAlertTemplates(subject, alertDefinitionIds);
FacesContextUtility.addMessage(FacesMessage.SEVERITY_INFO, "Enabled " + alertDefinitionIds.length
+ " alert definitions.");
} catch (Exception e) {
FacesContextUtility.addMessage(FacesMessage.SEVERITY_ERROR, "Failed to enable alert definitions.", e);
}
return "success";
}
public String disableSelectedAlertTemplates() {
Subject subject = EnterpriseFacesContextUtility.getSubject();
String[] selectedAlertDefinitions = getSelectedAlertDefinitions();
Integer[] alertDefinitionIds = getIntegerArray(selectedAlertDefinitions);
try {
alertTemplateManager.disableAlertTemplates(subject, alertDefinitionIds);
FacesContextUtility.addMessage(FacesMessage.SEVERITY_INFO, "Disabled " + alertDefinitionIds.length
+ " alert definitions.");
} catch (Exception e) {
FacesContextUtility.addMessage(FacesMessage.SEVERITY_ERROR, "Failed to disable alert definitions.", e);
}
return "success";
}
@Override
public DataModel getDataModel() {
if (dataModel == null) {
dataModel = new ListAlertTemplatesDataModel(PageControlView.AlertTemplatesList, MANAGED_BEAN_NAME);
}
return dataModel;
}
private class ListAlertTemplatesDataModel extends PagedListDataModel<AlertDefinition> {
public ListAlertTemplatesDataModel(PageControlView view, String beanName) {
super(view, beanName);
}
@Override
public PageList<AlertDefinition> fetchPage(PageControl pc) {
Subject subject = EnterpriseFacesContextUtility.getSubject();
ResourceType requestResourceType = EnterpriseFacesContextUtility.getResourceTypeIfExists();
AlertTemplateManagerLocal manager = LookupUtil.getAlertTemplateManager();
if (requestResourceType == null) {
requestResourceType = resourceType;
} else {
resourceType = requestResourceType;
}
PageList<AlertDefinition> results = null;
results = manager.getAlertTemplates(subject, requestResourceType.getId(), pc);
return results;
}
}
private String[] getSelectedAlertDefinitions() {
return FacesContextUtility.getRequest().getParameterValues("selectedAlertTemplates");
}
private Integer[] getIntegerArray(String[] input) {
Integer[] output = new Integer[input.length];
for (int i = 0; i < output.length; i++) {
output[i] = Integer.valueOf(input[i]);
}
return output;
}
}