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