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/**
* @copyright
* ====================================================================
* 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.
* ====================================================================
* @endcopyright
*/
package org.apache.subversion.javahl.types;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
/**
* Holds date for a log message. This class maintains
* the time to the microsecond and is not lossy.
*/
public class LogDate implements java.io.Serializable
{
private static final long serialVersionUID = 1L;
private static final DateFormat formatter = new SimpleDateFormat(
"yyyy-MM-dd'T'HH:mm:ss.SSS z");
private static final TimeZone UTC = TimeZone.getTimeZone("UTC");
private final long timeMicros;
private final String cachedString;
private final Calendar cachedDate;
public LogDate(String datestr) throws ParseException
{
if (datestr == null || datestr.length() != 27 || datestr.charAt(26) != 'Z')
{
throw new ParseException("String is not a valid Subversion date", 0);
}
Date date = formatter.parse(datestr.substring(0, 23) + " UTC");
this.cachedString = datestr;
cachedDate = Calendar.getInstance(UTC);
cachedDate.setTime(date);
timeMicros = cachedDate.getTimeInMillis() * 1000
+ Integer.parseInt(datestr.substring(23, 26));
}
/**
* Returns the time of the commit in microseconds
* @return the time of the commit measured in the number of
* microseconds since 00:00:00 January 1, 1970 UTC
*/
public long getTimeMicros()
{
return timeMicros;
}
/**
* Returns the time of the commit in milliseconds
* @return the time of the commit measured in the number of
* milliseconds since 00:00:00 January 1, 1970 UTC
*/
public long getTimeMillis()
{
return cachedDate.getTimeInMillis();
}
/**
* Returns the time of the commit as Calendar
* @return the time of the commit as java.util.Calendar
*/
public Calendar getCalender()
{
return cachedDate;
}
/**
* Returns the date of the commit
* @return the time of the commit as java.util.Date
*/
public Date getDate()
{
return cachedDate.getTime();
}
public String toString()
{
return cachedString;
}
public int hashCode()
{
final int prime = 31;
int result = 1;
result = prime * result + (int) (timeMicros ^ (timeMicros >>> 32));
return result;
}
public boolean equals(Object obj)
{
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
final LogDate other = (LogDate) obj;
if (timeMicros != other.getTimeMicros())
return false;
return true;
}
}
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