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Groovy example source code file (ByteCachedClass.java)

This example Groovy source code file (ByteCachedClass.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

byte, byte, bytecachedclass, bytecachedclass, classinfo, classinfo, number, number, numbercachedclass, object

The Groovy ByteCachedClass.java source code

 * 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,
 * 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.ClassInfo;

 * @author Alex.Tkachman
public class ByteCachedClass extends NumberCachedClass {
    private boolean allowNull;
    public ByteCachedClass(Class klazz, ClassInfo classInfo, boolean allowNull) {
        super(klazz, classInfo);
        this.allowNull = allowNull;

    public Object coerceArgument(Object argument) {
        if (argument instanceof Byte) {
            return argument;

        if (argument instanceof Number) {
            return ((Number) argument).byteValue();
        return argument;

    public boolean isDirectlyAssignable(Object argument) {
        return (allowNull && argument == null) || argument instanceof Byte;

    public boolean isAssignableFrom(Class classToTransformFrom) {
        return (allowNull && classToTransformFrom == null)
            || classToTransformFrom == Byte.class
            || classToTransformFrom == Byte.TYPE;

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