掩码工具

package com.jd.jr.cpay.gate.common.util;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.io.Serializable;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.*;

@Service(“maskService”)
public class MaskService {

@Resource(name = "maskConfig")
private Properties maskConfig;

private static final Logger logger = LoggerFactory.getLogger(MaskService.class);

public Object mask(Object maskObj) {
    Object obj = null;

    if (null == maskObj) {
        return null;
    }

    if (isBaseDataType(maskObj.getClass())) {
        return maskObj;
    }

    try {
        obj = maskObj.getClass().newInstance();
        BeanUtils.copyProperties(maskObj, obj);

    } catch (Exception e) {
        logger.error("loan class error", e.getMessage());
        return null;
    }

    if (null == obj) {
        return null;
    }

    Class clazz = obj.getClass();
    if (null == clazz) {
        return null;
    }

    if (isCollection(clazz)) {
        if (clazz == HashMap.class) {
            Map map = (HashMap) obj;
            map.putAll((HashMap) maskObj);
            Iterator iter = map.keySet().iterator();
            while (iter.hasNext()) {
                String key = iter.next();
                Object value = map.get(key);
                Object resObj = mask(value);
                map.put(key, resObj);
            }

            return obj;
        } else if (clazz == HashSet.class) {
            Set