| /* |
| * Copyright 2017 HugeGraph Authors |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with this |
| * work for additional information regarding copyright ownership. The ASF |
| * licenses this file to You 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.baidu.hugegraph.date; |
| |
| import java.util.Date; |
| import java.util.TimeZone; |
| |
| import org.joda.time.DateTimeZone; |
| import org.joda.time.format.DateTimeFormat; |
| import org.joda.time.format.DateTimeFormatter; |
| |
| /** |
| * The SafeDateFormat actually is a proxy for joda DateTimeFormatter |
| */ |
| public class SafeDateFormat { |
| |
| private static final int ONE_HOUR_MS = 3600 * 1000; |
| |
| private final String pattern; |
| private DateTimeFormatter formatter; |
| |
| public SafeDateFormat(String pattern) { |
| this.pattern = pattern; |
| this.formatter = DateTimeFormat.forPattern(pattern); |
| } |
| |
| public synchronized void setTimeZone(String zoneId) { |
| int hoursOffset = TimeZone.getTimeZone(zoneId).getRawOffset() / |
| ONE_HOUR_MS; |
| DateTimeZone zone = DateTimeZone.forOffsetHours(hoursOffset); |
| this.formatter = this.formatter.withZone(zone); |
| } |
| |
| public TimeZone getTimeZome() { |
| return this.formatter.getZone().toTimeZone(); |
| } |
| |
| public Date parse(String source) { |
| return this.formatter.parseDateTime(source).toDate(); |
| } |
| |
| public String format(Date date) { |
| return this.formatter.print(date.getTime()); |
| } |
| |
| public Object toPattern() { |
| return this.pattern; |
| } |
| } |