/*
* 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.HashMap;
import java.util.Map;
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.rhq.enterprise.gui.legacy.ParamConstants;
import org.rhq.enterprise.gui.legacy.RetCodeConstants;
import org.rhq.enterprise.gui.legacy.util.ActionUtils;
import org.rhq.enterprise.gui.legacy.util.SessionUtils;
import org.rhq.enterprise.gui.util.WebUtility;
/**
* A <code>BaseAction</code> that handles performance form submissions.
*/
public class PerformanceAction extends MetricsControlAction {
protected static Log log = LogFactory.getLog(PerformanceAction.class.getName());
// ---------------------------------------------------- Public Methods
/**
* Modify the metrics summary display as specified in the given <code>PerformanceForm</code>.
*/
@Override
public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request,
HttpServletResponse response) throws Exception {
PerformanceForm perfForm = (PerformanceForm) form;
Map forwardParams = new HashMap(2);
Integer resourceId = WebUtility.getOptionalIntRequestParameter(request, ParamConstants.RESOURCE_ID_PARAM, -1);
if (resourceId != -1) {
forwardParams.put(ParamConstants.RESOURCE_ID_PARAM, resourceId);
}
if (perfForm.isNextClicked()) {
long newRb = perfForm.getRe();
long diff = newRb - perfForm.getRb();
long newRe = newRb + diff;
MetricRange range = new MetricRange(newRb, newRe);
range.shiftNow();
request.setAttribute(ParamConstants.METRIC_RANGE, range);
} else if (perfForm.isPrevClicked()) {
long newRe = perfForm.getRb();
long diff = perfForm.getRe() - newRe;
long newRb = newRe - diff;
MetricRange range = new MetricRange(newRb, newRe);
range.shiftNow();
request.setAttribute(ParamConstants.METRIC_RANGE, range);
} else if (perfForm.isChartClicked()) {
forwardParams.put(ParamConstants.URL_PARAM, perfForm.getUrl());
return returnChart(request, mapping, forwardParams);
}
return super.execute(mapping, form, request, response);
}
// ---------------------------------------------------- Private Methods
private ActionForward returnChart(HttpServletRequest request, ActionMapping mapping, Map params) throws Exception {
// set return path
String returnPath = ActionUtils.findReturnPath(mapping, params);
SessionUtils.setReturnPath(request.getSession(), returnPath);
return constructForward(request, mapping, RetCodeConstants.CHART_URL, params, NO_RETURN_PATH);
}
}