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feilong is a suite of core and expanded libraries that include utility classes, http, excel,cvs, io classes, and much much more.

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/*
 * Copyright (C) 2008, 2009, 2010, 2013, 2018 XStream Committers.
 * All rights reserved.
 *
 * The software in this package is published under the terms of the BSD
 * style license a copy of which has been included with this distribution in
 * the LICENSE.txt file.
 *
 * Created on 12. February 2008 by Joerg Schaible
 */
package com.feilong.lib.xstream.converters.enums;

import com.feilong.lib.xstream.converters.basic.AbstractSingleValueConverter;

/**
 * A single value converter for a special enum type. Converter is internally automatically
 * instantiated for enum types.
 * 
 * @author Jörg Schaible
 * @since 1.3
 */
public class EnumSingleValueConverter extends AbstractSingleValueConverter{

    private final Class enumType;

    public EnumSingleValueConverter(Class type){
        if (!Enum.class.isAssignableFrom(type) && type != Enum.class){
            throw new IllegalArgumentException("Converter can only handle defined enums");
        }
        enumType = type;
    }

    @Override
    public boolean canConvert(Class type){
        return type != null && enumType.isAssignableFrom(type);
    }

    @Override
    public String toString(Object obj){
        return Enum.class.cast(obj).name();
    }

    @Override
    public Object fromString(String str){
        @SuppressWarnings("unchecked")
        Enum result = Enum.valueOf(enumType, str);
        return result;
    }
}