// Copyright (C) 2015 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.gerrit.client;
import com.google.gerrit.client.info.GeneralPreferences;
import com.google.gwt.i18n.client.DateTimeFormat;
import java.util.Date;
public class DateFormatter {
private static final long ONE_YEAR = 182L * 24 * 60 * 60 * 1000;
private final DateTimeFormat sTime;
private final DateTimeFormat sDate;
private final DateTimeFormat sdtFmt;
private final DateTimeFormat mDate;
private final DateTimeFormat dtfmt;
public DateFormatter(GeneralPreferences prefs) {
String fmt_sTime = prefs.timeFormat().getFormat();
String fmt_sDate = prefs.dateFormat().getShortFormat();
String fmt_mDate = prefs.dateFormat().getLongFormat();
sTime = DateTimeFormat.getFormat(fmt_sTime);
sDate = DateTimeFormat.getFormat(fmt_sDate);
sdtFmt = DateTimeFormat.getFormat(fmt_sDate + " " + fmt_sTime);
mDate = DateTimeFormat.getFormat(fmt_mDate);
dtfmt = DateTimeFormat.getFormat(fmt_mDate + " " + fmt_sTime);
}
/** Format a date using a really short format. */
public String shortFormat(Date dt) {
if (dt == null) {
return "";
}
Date now = new Date();
dt = new Date(dt.getTime());
if (mDate.format(now).equals(mDate.format(dt))) {
// Same day as today, report only the time.
//
return sTime.format(dt);
} else if (Math.abs(now.getTime() - dt.getTime()) < ONE_YEAR) {
// Within the last year, show a shorter date.
//
return sDate.format(dt);
} else {
// Report only date and year, its far away from now.
//
return mDate.format(dt);
}
}
/** Format a date using a really short format. */
public String shortFormatDayTime(Date dt) {
if (dt == null) {
return "";
}
Date now = new Date();
dt = new Date(dt.getTime());
if (mDate.format(now).equals(mDate.format(dt))) {
// Same day as today, report only the time.
//
return sTime.format(dt);
} else if (Math.abs(now.getTime() - dt.getTime()) < ONE_YEAR) {
// Within the last year, show a shorter date.
//
return sdtFmt.format(dt);
} else {
// Report only date and year, its far away from now.
//
return mDate.format(dt);
}
}
/** Format a date using the locale's medium length format. */
public String mediumFormat(final Date dt) {
if (dt == null) {
return "";
}
return dtfmt.format(new Date(dt.getTime()));
}
}