spring boot 枚舉類轉換

`/**

• abssqr.com Inc.
• Copyright (c) 2017-2018 All Rights Reserved. */

package com.abssqr.plat.convert;

import org.springframework.context.annotation.Configuration; import org.springframework.format.FormatterRegistry; import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

/** *

• @author guozhenhua

• @version com.abssqr.plat.convert: EnumConvertConfigurer.java, v 0.1 2018-03-11 下午4:14 guozhenhua Exp $ */ @Configuration public class EnumConvertConfigurer extends WebMvcConfigurerAdapter{

  @Override public void addFormatters(FormatterRegistry registry) { registry.addConverterFactory(new EnumConvertFactory()); } } `

/**
 * abssqr.com Inc.
 * Copyright (c) 2017-2018 All Rights Reserved.
 */

package com.abssqr.plat.convert;

import com.abssqr.common.xw.model.IEnum;
import com.abssqr.common.xw.model.utils.IEnumUtil;
import org.apache.commons.lang3.StringUtils;
import org.springframework.core.convert.converter.Converter;
import org.springframework.core.convert.converter.ConverterFactory;

/**
 *
 * @author guozhenhua
 * @version com.abssqr.plat.convert: EnumConvertFactory.java, v 0.1 2018-03-11 下午4:11 guozhenhua Exp $ 
 */
public class EnumConvertFactory implements ConverterFactory<String,IEnum> {


    @Override
    public <T extends IEnum> Converter<String, T> getConverter(Class<T> targetType) {



        return new StringToIEum<>(targetType);
    }

    private class StringToIEum<T extends  IEnum>  implements Converter<String, T>{

        private  Class<T> targerType;

        public StringToIEum(Class<T> targerType) {
            this.targerType = targerType;
        }

        @Override
        public T convert(String source) {
            if (StringUtils.isBlank(source)) {
                return null;
            }
            return (T)IEnumUtil.getIEnum(this.targerType,source);
        }
    }
}