package com.java110.utils.util;
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import org.springframework.cglib.core.Converter;
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import java.math.BigDecimal;
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import java.sql.Timestamp;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.time.LocalDateTime;
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import java.time.ZoneId;
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import java.time.ZonedDateTime;
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import java.util.Date;
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/**
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* @ClassName Java110Converter
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* @Description TODO
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* @Author wuxw
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* @Date 2020/1/28 17:16
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* @Version 1.0
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* add by wuxw 2020/1/28
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**/
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public class Java110Converter implements Converter {
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@Override
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public Object convert(Object value, Class target, Object context) {
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return getValue(value, target);
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}
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public static Object getValue(Object value, Class target) {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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if (value == null) {
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return value;
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}
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//1.0 String 转 Date
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if (value instanceof String && target == Date.class) {
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String date = (String) value;
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Date newDate = null;
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SimpleDateFormat strdf = null;
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if (date.contains(":")) {
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strdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
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} else {
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strdf = new SimpleDateFormat("yyyy-MM-dd");
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}
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try {
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newDate = strdf.parse(date);
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} catch (ParseException e) {
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e.printStackTrace();
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}
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return newDate;
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}
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//2.0 Date 转 Date
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if (value instanceof Date && target == Date.class) {
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return value;
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}
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//2.0 Date 转 Date
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if (value instanceof LocalDateTime && target == Date.class) {
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ZoneId zoneId = ZoneId.systemDefault();
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ZonedDateTime zonedDateTime = ((LocalDateTime)value).atZone(zoneId);
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Date date = Date.from(zonedDateTime.toInstant());
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return date;
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}
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// 3.0 Date 转 String
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if (value instanceof Date && target == String.class) {
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Date date = (Date) value;
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String newDate = null;
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try {
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newDate = sdf.format(date);
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} catch (Exception e) {
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e.printStackTrace();
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}
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return newDate;
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}
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// 3.0 Timestamp 转 String
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if (value instanceof Timestamp && target == String.class) {
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Date date = new Date(((Timestamp) value).getTime());
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String newDate = null;
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try {
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newDate = sdf.format(date);
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} catch (Exception e) {
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e.printStackTrace();
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}
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return newDate;
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}
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if (value instanceof BigDecimal && target == String.class) {
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BigDecimal bd = (BigDecimal) value;
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return bd.toPlainString();
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}
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if (target == String.class) {
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return String.valueOf(value);
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}
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if (target == int.class || target == Integer.class) {
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if(StringUtil.isNullOrNone(value)){
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return 0;
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}
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return Integer.parseInt(String.valueOf(value));
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}
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if (target == long.class || target == Long.class) {
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if(StringUtil.isNullOrNone(value)){
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return 0;
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}
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return Long.parseLong(String.valueOf(value));
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}
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if (target == double.class || target == Double.class) {
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if(StringUtil.isNullOrNone(value)){
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return 0;
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}
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return Double.parseDouble(String.valueOf(value));
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}
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if (target == String[].class) {
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return String.valueOf(value).split(",");
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}
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//1.0 String 转 Date
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if (value instanceof String && target == boolean.class) {
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String bl = (String) value;
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if ("true".equals(bl)) {
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return true;
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}
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return false;
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}
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return value;
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}
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}
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