Java Reflection Primitive isWrapper(Class dataType)

Description

is Wrapper

License

Open Source License

Declaration

public static boolean isWrapper(Class<?> dataType) 

Method Source Code

//package com.java2s;
/**/*from w ww .  j  ava2 s. co m*/
 * Copyright 2004-2014 Riccardo Solmi. All rights reserved.
 * This file is part of the Whole Platform.
 *
 * The Whole Platform is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * The Whole Platform is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with the Whole Platform. If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.HashMap;

import java.util.Map;

public class Main {
    private static Map<Class<?>, Class<?>> wrapperClassesMap;

    public static boolean isWrapper(Class<?> dataType) {
        return wrapperClassesMap().containsKey(dataType);
    }

    private static Map<Class<?>, Class<?>> wrapperClassesMap() {
        if (wrapperClassesMap == null) {
            wrapperClassesMap = new HashMap<Class<?>, Class<?>>();
            wrapperClassesMap.put(Boolean.class, boolean.class);
            wrapperClassesMap.put(Byte.class, byte.class);
            wrapperClassesMap.put(Character.class, char.class);
            wrapperClassesMap.put(Double.class, double.class);
            wrapperClassesMap.put(Float.class, float.class);
            wrapperClassesMap.put(Integer.class, int.class);
            wrapperClassesMap.put(Long.class, long.class);
            wrapperClassesMap.put(Short.class, short.class);
        }
        return wrapperClassesMap;
    }
}

Related

1. isPrimitiveWrapper(Class klass)
2. isPrimitiveWrapper(final Class type)
3. isPrimitiveWrapperArray(Class clazz)
4. isPrimitiveWrapperClass(Class primitiveWrapperClass)
5. isWrapper(Class clazz)
6. isWrapperAndPrimitivePair(Class c1, Class c2)
7. isWrapperClass(Class clazz)
8. isWrapperType(Class type)
9. matchPrimitive(Class paramType, Object arg)