/*
* 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.subsystem;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Set;
import javax.faces.application.FacesMessage;
import javax.faces.model.DataModel;
import javax.faces.model.SelectItem;
import javax.servlet.http.HttpServletRequest;
import org.rhq.core.domain.alert.AlertCondition;
import org.rhq.core.domain.alert.AlertConditionCategory;
import org.rhq.core.domain.alert.AlertConditionLog;
import org.rhq.core.domain.alert.composite.AlertHistoryComposite;
import org.rhq.core.domain.auth.Subject;
import org.rhq.core.domain.measurement.DataType;
import org.rhq.core.domain.util.PageControl;
import org.rhq.core.domain.util.PageList;
import org.rhq.core.gui.util.FacesContextUtility;
import org.rhq.core.server.MeasurementConverter;
import org.rhq.core.util.IntExtractor;
import org.rhq.core.util.collection.ArrayUtils;
import org.rhq.enterprise.gui.common.converter.SelectItemUtils;
import org.rhq.enterprise.gui.common.paging.PageControlView;
import org.rhq.enterprise.gui.common.paging.ResourceNameDisambiguatingPagedListDataModel;
import org.rhq.enterprise.gui.legacy.action.resource.common.monitor.alerts.AlertDefUtil;
import org.rhq.enterprise.gui.util.EnterpriseFacesContextUtility;
import org.rhq.enterprise.server.alert.AlertManagerLocal;
import org.rhq.enterprise.server.subsystem.AlertSubsystemManagerLocal;
import org.rhq.enterprise.server.util.LookupUtil;
/**
* @author Joseph Marques
*/
public class SubsystemAlertHistoryUIBean extends SubsystemView {
public static final String MANAGED_BEAN_NAME = "SubsystemAlertHistoryUIBean";
private static final String FORM_PREFIX = "alertHistorySubsystemForm:";
private final String CALENDAR_SUFFIX = "InputDate";
private AlertSubsystemManagerLocal manager = LookupUtil.getAlertSubsystemManager();
private static String datePattern;
private String resourceFilter;
private String parentFilter;
private Date dateBeginFilter;
private Date dateEndFilter;
private String categoryFilter;
private SelectItem[] categoryFilterItems;
private static final IntExtractor<AlertHistoryComposite> RESOURCE_ID_EXTRACTOR = new IntExtractor<AlertHistoryComposite>() {
public int extract(AlertHistoryComposite object) {
return object.getAlert().getAlertDefinition().getResource().getId();
}
};
public SubsystemAlertHistoryUIBean() {
datePattern = EnterpriseFacesContextUtility.getWebUser().getWebPreferences().getDateTimeDisplayPreferences()
.getDateTimeFormatTrigger();
categoryFilterItems = SelectItemUtils.convertFromEnum(AlertConditionCategory.class, true);
categoryFilter = (String) categoryFilterItems[0].getValue();
}
public String getDatePattern() {
return datePattern;
}
public String getResourceFilter() {
return resourceFilter;
}
public void setResourceFilter(String resourceFilter) {
this.resourceFilter = resourceFilter;
}
public String getParentFilter() {
return parentFilter;
}
public void setParentFilter(String parentFilter) {
this.parentFilter = parentFilter;
}
public Date getDateBeginFilter() {
return dateBeginFilter;
}
public void setDateBeginFilter(Date dateSubmittedFilter) {
this.dateBeginFilter = dateSubmittedFilter;
}
public Date getDateEndFilter() {
return dateEndFilter;
}
public void setDateEndFilter(Date dateCompletedFilter) {
this.dateEndFilter = dateCompletedFilter;
}
public String getCategoryFilter() {
return categoryFilter;
}
public void setCategoryFilter(String statusFilter) {
this.categoryFilter = statusFilter;
}
public SelectItem[] getCategoryFilterItems() {
return categoryFilterItems;
}
public void setCategoryFilterItems(SelectItem[] statusFilterItems) {
this.categoryFilterItems = statusFilterItems;
}
public String deleteSelected() {
Integer[] selected = getSelectedItems();
try {
manager.deleteAlertHistories(getSubject(), selected);
FacesContextUtility.addMessage(FacesMessage.SEVERITY_INFO, "Deleted " + selected.length + " alerts.");
} catch (Exception e) {
FacesContextUtility.addMessage(FacesMessage.SEVERITY_ERROR, "Failed to delete selected alerts.", e);
}
return "success";
}
public String purge() {
try {
int numDeleted = manager.purgeAllAlertHistories(getSubject());
FacesContextUtility.addMessage(FacesMessage.SEVERITY_INFO, "Deleted " + numDeleted + " alerts.");
} catch (Exception e) {
FacesContextUtility.addMessage(FacesMessage.SEVERITY_ERROR, "Failed to delete selected alerts.", e);
}
return "success";
}
public String acknowledgeSelectedAlerts() {
Subject subject = EnterpriseFacesContextUtility.getSubject();
AlertManagerLocal alertManager = LookupUtil.getAlertManager();
try {
Integer[] selectedItems = getSelectedItems();
int num = alertManager.acknowledgeAlerts(subject, ArrayUtils.unwrapArray(selectedItems));
if (num == -1)
FacesContextUtility.addMessage(FacesMessage.SEVERITY_WARN, "No Alerts passed to ack");
else
FacesContextUtility.addMessage(FacesMessage.SEVERITY_INFO, "Acknowledged " + num + " alerts");
} catch (Exception e) {
FacesContextUtility.addMessage(FacesMessage.SEVERITY_ERROR, "Failed to acknowledge selected alerts.", e);
}
return "success";
}
@Override
public DataModel getDataModel() {
if (dataModel == null) {
dataModel = new ResultsDataModel(PageControlView.SubsystemAlertHistory, MANAGED_BEAN_NAME);
}
return dataModel;
}
private class ResultsDataModel extends ResourceNameDisambiguatingPagedListDataModel<AlertHistoryComposite> {
public ResultsDataModel(PageControlView view, String beanName) {
super(view, beanName, true);
}
@Override
public PageList<AlertHistoryComposite> fetchDataForPage(PageControl pc) {
getDataFromRequest();
String resourceFilter = getResourceFilter();
String parentFilter = getParentFilter();
Long startMillis = getDateBeginFilter() == null ? null : getDateBeginFilter().getTime();
Long endMillis = getDateEndFilter() == null ? null : getDateEndFilter().getTime();
String cleansedStatus = SelectItemUtils.cleanse(getCategoryFilter());
AlertConditionCategory category = cleansedStatus == null ? null : AlertConditionCategory
.valueOf(cleansedStatus);
PageList<AlertHistoryComposite> result;
result = manager.getAlertHistories(getSubject(), resourceFilter, parentFilter, startMillis, endMillis,
category, pc);
// format UI-layer display column attribute values
HttpServletRequest request = FacesContextUtility.getRequest();
for (AlertHistoryComposite history : result) {
Set<AlertConditionLog> acls = history.getAlert().getConditionLogs();
if (acls.size() > 1) {
history.setConditionText("Multiple Conditions");
history.setConditionValue("--");
} else if (acls.size() == 1) {
AlertConditionLog log = acls.iterator().next();
AlertCondition condition = log.getCondition();
String displayText = AlertDefUtil.formatAlertConditionForDisplay(condition, request);
String firedValue = log.getValue();
if (condition.getMeasurementDefinition() != null) {
DataType type = condition.getMeasurementDefinition().getDataType();
if (type == DataType.CALLTIME || type == DataType.TRAIT)
firedValue = log.getValue();
else
firedValue = MeasurementConverter.format(Double.valueOf(log.getValue()), condition
.getMeasurementDefinition().getUnits(), true);
}
history.setConditionText(displayText);
history.setConditionValue(firedValue);
} else {
history.setConditionText("No Conditions");
history.setConditionValue("--");
}
String recoveryInfo = AlertDefUtil.getAlertRecoveryInfo(history.getAlert(), history.getAlert()
.getAlertDefinition().getResource().getId());
history.setRecoveryInfo(recoveryInfo);
}
return result;
}
protected IntExtractor<AlertHistoryComposite> getResourceIdExtractor() {
return RESOURCE_ID_EXTRACTOR;
}
private void getDataFromRequest() {
SubsystemAlertHistoryUIBean outer = SubsystemAlertHistoryUIBean.this;
outer.resourceFilter = FacesContextUtility.getOptionalRequestParameter(FORM_PREFIX + "resourceFilter");
outer.parentFilter = FacesContextUtility.getOptionalRequestParameter(FORM_PREFIX + "parentFilter");
outer.dateBeginFilter = getDate(FacesContextUtility.getOptionalRequestParameter(FORM_PREFIX
+ "dateBeginFilter" + CALENDAR_SUFFIX));
outer.dateEndFilter = getDate(FacesContextUtility.getOptionalRequestParameter(FORM_PREFIX + "dateEndFilter"
+ CALENDAR_SUFFIX));
outer.categoryFilter = FacesContextUtility.getOptionalRequestParameter(FORM_PREFIX + "categoryFilter");
}
private Date getDate(String dateAsString) {
if (dateAsString == null || dateAsString.trim().equals("")) {
return null;
}
try {
String datePattern = getDatePattern();
return new SimpleDateFormat(datePattern).parse(dateAsString);
} catch (ParseException pe) {
FacesContextUtility.addMessage(FacesMessage.SEVERITY_ERROR, "Could not parse '" + dateAsString
+ "' using the following format '" + datePattern + "'");
}
return null;
}
}
}