/*
* Copyright 2007 Ralf Joachim
*
* 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.castor.cpa.persistence.convertor;
import java.text.SimpleDateFormat;
import org.castor.core.util.AbstractProperties;
/**
* Abstract base class to convert from one type to another without any configuration
* or parameters.
*
* @author <a href="mailto:ralf DOT joachim AT syscon DOT eu">Ralf Joachim</a>
* @version $Revision: 7134 $ $Date: 2006-04-25 15:08:23 -0600 (Tue, 25 Apr 2006) $
* @since 1.1.3
*/
public abstract class AbstractDateTypeConvertor extends AbstractTypeConvertor {
//-----------------------------------------------------------------------------------
/**
* Date format used by date convertors. Use the {@link #getDefaultDateFormat} accessor to
* access this variable.
*/
private static final SimpleDateFormat DEFAULT_DATE_FORMAT = new SimpleDateFormat();
//-----------------------------------------------------------------------------------
/**
* Use this accessor to access the <tt>DEFAULT_DATE_FORMAT</tt>.
*
* @return A clone of DEFAULT_DATE_FORMAT.
*/
protected static final SimpleDateFormat getDefaultDateFormat() {
return (SimpleDateFormat) DEFAULT_DATE_FORMAT.clone();
}
/**
* Transforms short date format pattern into full format pattern for SimpleDateFormat
* (e.g., "YMD" to "yyyyMMdd").
*
* @param pattern The short pattern.
* @return The full pattern.
*/
protected static String getFullDatePattern(final String pattern) {
if (pattern == null) { return "yyyyMMdd"; }
int len = pattern.length();
if (len == 0) { return "yyyyMMdd"; }
StringBuffer sb = new StringBuffer();
for (int i = 0; i < len; i++) {
switch (pattern.charAt(i)) {
case 'y': case 'Y': sb.append("yyyy"); break;
case 'M': sb.append("MM"); break;
case 'd': case 'D': sb.append("dd"); break;
case 'h': case 'H': sb.append("HH"); break;
case 'm': sb.append("mm"); break;
case 's': sb.append("ss"); break;
case 'S': sb.append("SSS"); break;
default: break;
}
}
return sb.toString();
}
//-----------------------------------------------------------------------------------
/**
* Construct a Converter between given fromType an toType.
*
* @param fromType The type being converted from.
* @param toType The type being converted to.
*/
public AbstractDateTypeConvertor(final Class<?> fromType, final Class<?> toType) {
super(fromType, toType);
}
//-----------------------------------------------------------------------------------
/**
* {@inheritDoc}
*/
public final void configure(final AbstractProperties properties) { }
//-----------------------------------------------------------------------------------
}