org.codehaus.groovy.reflection.stdclasses.NumberCachedClass Maven / Gradle / Ivy
/*
* Copyright 2003-2007 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.codehaus.groovy.reflection.stdclasses;
import org.codehaus.groovy.reflection.CachedClass;
import org.codehaus.groovy.reflection.ClassInfo;
import java.math.BigInteger;
/**
* @author Alex.Tkachman
*/
public class NumberCachedClass extends CachedClass {
public NumberCachedClass(Class klazz, ClassInfo classInfo) {
super(klazz, classInfo);
}
public Object coerceArgument(Object argument) {
if (argument instanceof Number) {
return coerceNumber(argument);
}
return argument;
}
public boolean isAssignableFrom(Class classToTransformFrom) {
return classToTransformFrom == null
|| Number.class.isAssignableFrom(classToTransformFrom)
|| classToTransformFrom == Byte.TYPE
|| classToTransformFrom == Short.TYPE
|| classToTransformFrom == Integer.TYPE
|| classToTransformFrom == Long.TYPE
|| classToTransformFrom == Float.TYPE
|| classToTransformFrom == Double.TYPE
;
}
private Object coerceNumber(Object argument) {
Class param = getTheClass();
if (param == Byte.class /*|| param == Byte.TYPE*/) {
argument = new Byte(((Number) argument).byteValue());
} else if (param == BigInteger.class) {
argument = new BigInteger(String.valueOf((Number) argument));
}
return argument;
}
}
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