/*
* 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.server.measurement.util;
import org.rhq.core.domain.measurement.MeasurementBaseline;
import org.rhq.core.domain.measurement.MeasurementSchedule;
import org.rhq.core.domain.measurement.util.MeasurementConversionException;
import org.rhq.core.server.MeasurementConverter;
import org.rhq.enterprise.server.legacy.measurement.MeasurementConstants;
public class MeasurementFormatter {
private static final String MEASUREMENT_BASELINE_MIN_TEXT = "Min Value";
private static final String MEASUREMENT_BASELINE_MEAN_TEXT = "Baseline Value";
private static final String MEASUREMENT_BASELINE_MAX_TEXT = "Max Value";
public static String getBaselineText(String baselineOption, MeasurementSchedule schedule) {
if ((null != schedule) && (null != schedule.getBaseline())) {
MeasurementBaseline baseline = schedule.getBaseline();
String lookupText = null;
Double value = null;
if (baselineOption.equals(MeasurementConstants.BASELINE_OPT_MIN)) {
lookupText = MEASUREMENT_BASELINE_MIN_TEXT;
value = baseline.getMin();
} else if (baselineOption.equals(MeasurementConstants.BASELINE_OPT_MEAN)) {
lookupText = MEASUREMENT_BASELINE_MEAN_TEXT;
value = baseline.getMean();
} else if (baselineOption.equals(MeasurementConstants.BASELINE_OPT_MAX)) {
lookupText = MEASUREMENT_BASELINE_MAX_TEXT;
value = baseline.getMax();
}
if (value != null) {
try {
String formatted = MeasurementConverter.scaleAndFormat(value, schedule, true);
return formatted + " (" + lookupText + ")";
} catch (MeasurementConversionException mce) {
return lookupText;
}
}
/*
* will need a fall-through here because the value was null; this can happen when the user requests to view
* the formatted baseline before the first time it has been calculated
*/
}
// here is the fall-through
if (MeasurementConstants.BASELINE_OPT_MIN.equals(baselineOption)) {
return MEASUREMENT_BASELINE_MIN_TEXT;
} else if (MeasurementConstants.BASELINE_OPT_MAX.equals(baselineOption)) {
return MEASUREMENT_BASELINE_MAX_TEXT;
} else {
return MEASUREMENT_BASELINE_MEAN_TEXT;
}
}
}