/*
* Copyright 2010, 2011, 2012 Christopher Pheby
*
* 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 org.jadira.usertype.dateandtime.legacyjdk.columnmapper;
import java.sql.Timestamp;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Locale;
import java.util.TimeZone;
import org.jadira.usertype.spi.shared.AbstractVersionableTimestampColumnMapper;
import org.jadira.usertype.spi.shared.DatabaseZoneConfigured;
import org.jadira.usertype.spi.shared.DstSafeTimestampType;
/**
* Maps a precise timestamp column for storage. The GMT Zone will be used to store the value
*/
public class TimestampColumnTimestampMapper extends AbstractVersionableTimestampColumnMapper<java.sql.Timestamp> implements DatabaseZoneConfigured<TimeZone> {
private static final long serialVersionUID = -7670411089210984705L;
private static final ThreadLocal<SimpleDateFormat> DATETIME_FORMAT = new ThreadLocal<SimpleDateFormat>() {
@Override protected SimpleDateFormat initialValue() {
final SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.US);
format.setTimeZone(TimeZone.getTimeZone("GMT"));
return format;
}
};
private TimeZone databaseZone = TimeZone.getTimeZone("GMT");
public TimestampColumnTimestampMapper() {
}
public TimestampColumnTimestampMapper(TimeZone databaseZone) {
this.databaseZone = databaseZone;
}
@Override
public java.sql.Timestamp fromNonNullString(String s) {
return Timestamp.valueOf(s);
}
@Override
public java.sql.Timestamp fromNonNullValue(Timestamp value) {
final Timestamp timestamp = new Timestamp(value.getTime());
timestamp.setNanos(value.getNanos());
return timestamp;
}
@Override
public String toNonNullString(java.sql.Timestamp value) {
TimeZone gmtZone = TimeZone.getTimeZone("GMT");
final SimpleDateFormat sdf = DATETIME_FORMAT.get();
sdf.setTimeZone(gmtZone);
Calendar now = Calendar.getInstance(gmtZone);
now.clear();
now.setTime(value);
final String tsString;
long milliseconds = now.get(Calendar.MILLISECOND);
if (milliseconds > 0) {
tsString = sdf.format(value);
} else {
String nanosString = "" + milliseconds + "000000000";
nanosString = nanosString.substring(0, 9);
tsString = sdf.format(value) + "." + nanosString;
}
return tsString;
}
@Override
public Timestamp toNonNullValue(java.sql.Timestamp value) {
final Timestamp timestamp = new Timestamp(value.getTime());
timestamp.setNanos(value.getNanos());
return timestamp;
}
@Override
public void setDatabaseZone(TimeZone databaseZone) {
this.databaseZone = databaseZone;
}
@Override
public TimeZone parseZone(String zoneString) {
return TimeZone.getTimeZone(zoneString);
}
@Override
public final DstSafeTimestampType getHibernateType() {
return databaseZone == null ? DstSafeTimestampType.INSTANCE : new DstSafeTimestampType(Calendar.getInstance(databaseZone));
}
}