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'databene commons' is an open source Java library by Volker Bergmann.
It provides extensions to the Java core library by utility classes, abstract concepts
and concrete implementations.
/*
* Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
* All rights reserved.
*
* 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.databene.commons.converter;
import java.sql.Timestamp;
import java.util.Date;
import org.databene.commons.ConversionException;
import org.databene.commons.Converter;
import org.databene.commons.StringUtil;
/**
* Parses Strings converting them to {@link Timestamp}s.
* Created at 01.10.2009 10:53:20
* @since 0.5.0
* @author Volker Bergmann
*/
public class String2TimestampConverter extends ConverterWrapper
implements Converter {
public String2TimestampConverter() {
super(new String2DateConverter());
}
@Override
public Class getSourceType() {
return String.class;
}
@Override
public Class getTargetType() {
return Timestamp.class;
}
@Override
public Timestamp convert(String sourceValue) throws ConversionException {
if (StringUtil.isEmpty(sourceValue))
return null;
// separate the String into Date and nano parts
sourceValue = sourceValue.trim();
String datePart;
String nanoPart;
if (sourceValue.contains(".")) {
String[] parts = StringUtil.splitOnFirstSeparator(sourceValue, '.');
datePart = parts[0];
nanoPart = parts[1];
} else {
datePart = sourceValue;
nanoPart = null;
}
// calculate date part
Date date = realConverter.convert(datePart);
Timestamp result = new Timestamp(date.getTime());
// calculate nano part
if (!StringUtil.isEmpty(nanoPart)) {
nanoPart = StringUtil.padRight(nanoPart, 9, '0');
int nanos = Integer.parseInt(nanoPart);
result.setNanos(nanos);
}
return result;
}
}