/*
* Copyright 2005-2010 the original author or authors.
*
* 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.dozer.converters;
import org.apache.commons.beanutils.Converter;
import org.apache.commons.beanutils.converters.BigDecimalConverter;
import org.apache.commons.beanutils.converters.BigIntegerConverter;
import org.apache.commons.beanutils.converters.BooleanConverter;
import org.apache.commons.beanutils.converters.ByteConverter;
import org.apache.commons.beanutils.converters.CharacterConverter;
import org.apache.commons.beanutils.converters.ClassConverter;
import org.apache.commons.beanutils.converters.DoubleConverter;
import org.apache.commons.beanutils.converters.FloatConverter;
import org.apache.commons.beanutils.converters.ShortConverter;
import org.apache.commons.lang.ClassUtils;
import javax.xml.datatype.XMLGregorianCalendar;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.Calendar;
import java.util.HashMap;
import java.util.Map;
/**
* Internal class for converting between wrapper types(including primitives). Only intended for internal use.
*
* @author tierney.matt
* @author garsombke.franz
* @author benson.matt
* @author dmitry.buzdin
*/
public class PrimitiveOrWrapperConverter {
private static final Map<Class, Converter> CONVERTER_MAP = new HashMap<Class, Converter>();
static {
CONVERTER_MAP.put(Integer.class, new IntegerConverter());
CONVERTER_MAP.put(Double.class, new DoubleConverter());
CONVERTER_MAP.put(Short.class, new ShortConverter());
CONVERTER_MAP.put(Character.class, new CharacterConverter());
CONVERTER_MAP.put(Long.class, new LongConverter());
CONVERTER_MAP.put(Boolean.class, new BooleanConverter());
CONVERTER_MAP.put(Byte.class, new ByteConverter());
CONVERTER_MAP.put(Float.class, new FloatConverter());
CONVERTER_MAP.put(BigDecimal.class, new BigDecimalConverter());
CONVERTER_MAP.put(BigInteger.class, new BigIntegerConverter());
CONVERTER_MAP.put(Class.class, new ClassConverter());
}
public Object convert(Object srcFieldValue, Class destFieldClass, DateFormatContainer dateFormatContainer) {
if (srcFieldValue == null || destFieldClass == null || (srcFieldValue.equals("") && !destFieldClass.equals(String.class))) {
return null;
}
Converter converter = getPrimitiveOrWrapperConverter(destFieldClass, dateFormatContainer);
try {
return converter.convert(destFieldClass, srcFieldValue);
} catch (org.apache.commons.beanutils.ConversionException e) {
throw new org.dozer.converters.ConversionException(e);
}
}
private Converter getPrimitiveOrWrapperConverter(Class destClass, DateFormatContainer dateFormatContainer) {
if (String.class.equals(destClass)) {
return new StringConverter(dateFormatContainer);
}
Converter result = CONVERTER_MAP.get(ClassUtils.primitiveToWrapper(destClass));
if (result == null) {
if (java.util.Date.class.isAssignableFrom(destClass)) {
result = new DateConverter(dateFormatContainer.getDateFormat());
} else if (Calendar.class.isAssignableFrom(destClass) ) {
result = new CalendarConverter(dateFormatContainer.getDateFormat());
} else if (XMLGregorianCalendar.class.isAssignableFrom(destClass)){
result = new XMLGregorianCalendarConverter(dateFormatContainer.getDateFormat());
}
}
return result == null ? new StringConstructorConverter(dateFormatContainer) : result;
}
public boolean accepts(Class<?> aClass) {
return aClass.isPrimitive()
|| Number.class.isAssignableFrom(aClass)
|| String.class.equals(aClass)
|| Character.class.equals(aClass)
|| Boolean.class.equals(aClass)
|| java.util.Date.class.isAssignableFrom(aClass)
|| java.util.Calendar.class.isAssignableFrom(aClass);
}
}