/*
* Copyright 2005 Joe Walker
*
* 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.directwebremoting.convert;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.Calendar;
import java.util.Date;
import org.directwebremoting.ConversionException;
import org.directwebremoting.extend.AbstractConverter;
import org.directwebremoting.extend.InboundVariable;
import org.directwebremoting.extend.NonNestedOutboundVariable;
import org.directwebremoting.extend.OutboundContext;
import org.directwebremoting.extend.OutboundVariable;
import org.directwebremoting.extend.ProtocolConstants;
/**
* An implementation of Converter for Dates.
* @author Joe Walker [joe at getahead dot ltd dot uk]
*/
public class DateConverter extends AbstractConverter
{
/* (non-Javadoc)
* @see org.directwebremoting.Converter#convertInbound(java.lang.Class, org.directwebremoting.InboundVariable, org.directwebremoting.InboundContext)
*/
public Object convertInbound(Class<?> paramType, InboundVariable data) throws ConversionException
{
if (data.isNull())
{
return null;
}
String value = data.getValue();
// If the text is null then the whole bean is null
if (value.trim().equals(ProtocolConstants.INBOUND_NULL))
{
return null;
}
try
{
long millis = 0;
if (value.length() > 0)
{
millis = Long.parseLong(value);
}
Date date = new Date(millis);
if (paramType == Date.class)
{
return date;
}
else if (paramType == java.sql.Date.class)
{
return new java.sql.Date(date.getTime());
}
else if (paramType == Time.class)
{
return new Time(date.getTime());
}
else if (paramType == Timestamp.class)
{
return new Timestamp(date.getTime());
}
else if (paramType == Calendar.class)
{
Calendar cal = Calendar.getInstance();
cal.setTime(date);
return cal;
}
else
{
throw new ConversionException(paramType);
}
}
catch (ConversionException ex)
{
throw ex;
}
catch (Exception ex)
{
throw new ConversionException(paramType, ex);
}
}
/* (non-Javadoc)
* @see org.directwebremoting.Converter#convertOutbound(java.lang.Object, org.directwebremoting.OutboundContext)
*/
public OutboundVariable convertOutbound(Object data, OutboundContext outctx) throws ConversionException
{
long millis;
if (data instanceof Calendar)
{
Calendar cal = (Calendar) data;
millis = cal.getTime().getTime();
}
else if (data instanceof Date)
{
Date date = (Date) data;
millis = date.getTime();
}
else
{
throw new ConversionException(data.getClass());
}
return new NonNestedOutboundVariable("new Date(" + millis + ")");
}
}