/*
* 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.
*/
// -*- Mode: Java; indent-tabs-mode: nil; -*-
/*
* MetricRange.java
*
*/
package org.rhq.enterprise.gui.legacy.action.resource.common.monitor.visibility;
import java.text.SimpleDateFormat;
import java.util.Date;
public class MetricRange {
public static final long SHIFT_RANGE = 60001;
private Long begin;
private Long end;
public MetricRange() {
}
public MetricRange(Long b, Long e) {
begin = b;
end = e;
}
public Long getBegin() {
return begin;
}
public void setBegin(Long l) {
begin = l;
}
public Long getEnd() {
return end;
}
public void setEnd(Long l) {
end = l;
}
/**
* If the end date is after "now", reset the end to "now" and recalculate the range.
*/
public void shiftNow() {
if ((getBegin() == null) || (getEnd() == null)) {
return;
}
long now = System.currentTimeMillis();
if ((now - getEnd().longValue()) < SHIFT_RANGE) {
long diff = getEnd().longValue() - getBegin().longValue();
setEnd(new Long(now));
setBegin(new Long(now - diff));
}
}
/**
* Return a date-formatted representation of the range.
*/
public String getFormattedRange() {
if ((getBegin() == null) || (getEnd() == null)) {
return "{}";
}
Date bd = new Date(getBegin());
Date ed = new Date(getEnd());
SimpleDateFormat df = new SimpleDateFormat();
return df.format(bd) + " to " + df.format(ed);
}
@Override
public String toString() {
return getFormattedRange();
}
}