/**
* Copyright 2012-2017 Gunnar Morling (http://www.gunnarmorling.de/)
* and/or other contributors as indicated by the @authors tag. See the
* copyright.txt file in the distribution for a full listing of all
* contributors.
*
* 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.mapstruct.ap.internal.conversion;
import static org.mapstruct.ap.internal.util.Collections.asSet;
import java.math.BigInteger;
import java.util.Set;
import org.mapstruct.ap.internal.model.common.ConversionContext;
import org.mapstruct.ap.internal.model.common.Type;
import org.mapstruct.ap.internal.util.NativeTypes;
/**
* Conversion between {@link BigInteger} and wrappers of native number types.
*
* @author Gunnar Morling
*/
public class BigIntegerToWrapperConversion extends SimpleConversion {
private final Class<?> targetType;
public BigIntegerToWrapperConversion(Class<?> targetType) {
if ( targetType.isPrimitive() ) {
throw new IllegalArgumentException( targetType + " is a primitive type." );
}
this.targetType = NativeTypes.getPrimitiveType( targetType );
}
@Override
public String getToExpression(ConversionContext conversionContext) {
return "<SOURCE>." + targetType.getName() + "Value()";
}
@Override
public String getFromExpression(ConversionContext conversionContext) {
String toLongValueStr = "";
if ( targetType == float.class || targetType == double.class ) {
toLongValueStr = ".longValue()";
}
return "BigInteger.valueOf( <SOURCE>" + toLongValueStr + " )";
}
@Override
protected Set<Type> getFromConversionImportTypes(ConversionContext conversionContext) {
return asSet( conversionContext.getTypeFactory().getType( BigInteger.class ) );
}
}