| /* |
| * 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 org.apache.directory.api.util; |
| |
| |
| import java.text.ParseException; |
| import java.util.Date; |
| |
| import org.apache.directory.api.i18n.I18n; |
| |
| |
| /** |
| * Gets the generalized time using the "Z" form of the g-time-zone. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public final class DateUtils |
| { |
| |
| /** |
| * Private constructor. |
| */ |
| private DateUtils() |
| { |
| } |
| |
| |
| /** |
| * Return a Date instance from a String |
| * |
| * @param zuluTime The String to convert |
| * @return The Date instance |
| */ |
| public static Date getDate( String zuluTime ) |
| { |
| try |
| { |
| return GeneralizedTime.getDate( zuluTime ); |
| } |
| catch ( Exception e ) |
| { |
| throw new RuntimeException( e ); |
| } |
| } |
| |
| |
| /** |
| * Gets the generalized time right now. {@link GeneralizedTime} |
| * |
| * @return the generalizedTime right now |
| */ |
| public static String getGeneralizedTime() |
| { |
| return new GeneralizedTime( new Date() ).toGeneralizedTime(); |
| } |
| |
| |
| /** |
| * |
| * @see #getGeneralizedTime() |
| * |
| * @param date the date to be converted to generalized time string |
| * @return given date in the generalized time string format |
| */ |
| public static String getGeneralizedTime( Date date ) |
| { |
| return new GeneralizedTime( date ).toGeneralizedTime(); |
| } |
| |
| |
| /** |
| * |
| * @see #getGeneralizedTime() |
| * |
| * @param time the time value to be converted to generalized time string |
| * @return given time in generalized time string format |
| */ |
| public static String getGeneralizedTime( long time ) |
| { |
| return getGeneralizedTime( new Date( time ) ); |
| } |
| |
| |
| /** |
| * Converts the 18-digit Active Directory timestamps, also named 'Windows NT time format' or 'Win32 FILETIME or SYSTEMTIME'. |
| * These are used in Microsoft Active Directory for pwdLastSet, accountExpires, LastLogon, LastLogonTimestamp and LastPwdSet. |
| * The timestamp is the number of 100-nanoseconds intervals (1 nanosecond = one billionth of a second) since Jan 1, 1601 UTC. |
| * <p> |
| * |
| * @param intervalDate 18-digit number. Time in 100-nanoseconds intervals since 1.1.1601 |
| * @return The converted date |
| * @throws ParseException If the given interval is not valid |
| */ |
| public static Date convertIntervalDate( String intervalDate ) throws ParseException |
| { |
| if ( intervalDate == null ) |
| { |
| throw new ParseException( I18n.err( I18n.ERR_17043_GENERALIZED_TIME_NULL ), 0 ); |
| } |
| |
| long offset = 11644473600000L; // offset milliseconds from Jan 1, 1601 to Jan 1, 1970 |
| |
| // convert 100-nanosecond intervals to milliseconds (10000 = 1 000 000ns / 100) |
| long javaTime = Long.parseLong( intervalDate ) / 10000L - offset; |
| |
| return new Date( javaTime ); |
| } |
| } |