/*
* 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.legacy.action.resource.common.monitor.visibility;
import java.util.Date;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.tiles.ComponentContext;
import org.rhq.enterprise.gui.legacy.WebUser;
import org.rhq.enterprise.gui.legacy.action.WorkflowPrepareAction;
import org.rhq.enterprise.gui.legacy.util.SessionUtils;
import org.rhq.enterprise.server.measurement.MeasurementPreferences;
import org.rhq.enterprise.server.measurement.MeasurementPreferences.MetricRangePreferences;
/**
* An <code>Action</code> that retrieves data from the BizApp to facilitate display of the various pages that provide
* metrics summaries.
*/
public class MetricDisplayRangeFormPrepareAction extends WorkflowPrepareAction {
protected final Log log = LogFactory.getLog(MetricDisplayRangeFormPrepareAction.class);
/**
* Retrieve data needed to display a Metrics Display Form. Respond to certain button clicks that alter the form
* display.
*/
public ActionForward workflow(ComponentContext context, ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) throws Exception {
MetricDisplayRangeForm rangeForm = (MetricDisplayRangeForm) form;
try {
WebUser user = SessionUtils.getWebUser(request.getSession());
MeasurementPreferences preferences = user.getMeasurementPreferences();
MetricRangePreferences rangePreferences = preferences.getMetricRangePreferences();
if (rangeForm.isResetClicked()) {
rangeForm.setRn(rangePreferences.lastN);
rangeForm.setRu(rangePreferences.unit);
if (rangePreferences.readOnly) {
rangeForm.setA(MetricDisplayRangeForm.ACTION_DATE_RANGE);
} else {
rangeForm.setA(MetricDisplayRangeForm.ACTION_LASTN);
}
}
rangeForm.populateStartDate(new Date(rangePreferences.begin), request.getLocale());
rangeForm.populateEndDate(new Date(rangePreferences.end), request.getLocale());
} catch (IllegalArgumentException ioe) {
throw new ServletException(ioe);
}
// blank range number if it's set to 0
if ((rangeForm.getRn() != null) && (rangeForm.getRn() == 0)) {
rangeForm.setRn(null);
}
return null;
}
}