96 lines
2.5 KiB
Java
96 lines
2.5 KiB
Java
package com.amarsoft.aims.util;
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import com.amarsoft.are.ARE;
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import com.amarsoft.are.jbo.BizObject;
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import com.amarsoft.are.jbo.BizObjectManager;
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import com.amarsoft.are.jbo.JBOException;
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import com.amarsoft.are.jbo.JBOFactory;
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import com.amarsoft.are.lang.StringX;
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/**
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* 汇率辅助处理工具类
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* @author syang
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* @date 2013-12-27
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*/
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public class ERateTool {
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/** 人民币币种常量 */
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public static final String CURRENCY_RMB = "01";
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/**
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* 取任一两种币种间的汇率
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* @param fromCurrency 原币种
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* @param toCurrency 转换的目标币种
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* @return
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*/
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public static double getERate(String fromCurrency,String toCurrency){
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if(StringX.isEmpty(fromCurrency)){
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ARE.getLog().error("汇率转换源币种为空");
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return 1.0;
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}
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if(StringX.isEmpty(toCurrency)){
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ARE.getLog().error("汇率转换目标币种为空");
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return 1.0;
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}
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if(fromCurrency.equals(toCurrency)){ //两个币种相同，直接返回1
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return 1.0;
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}
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double currencyFrom = 1.0;
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double currencyTo = 1.0;
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try {
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BizObjectManager bm = JBOFactory.getBizObjectManager("jbo.sys.ERATE_INFO");
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BizObject boFrom = bm.createQuery("Currency=:Currency").setParameter("Currency", fromCurrency).getSingleResult(false);
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BizObject boTo = bm.createQuery("Currency=:Currency").setParameter("Currency", toCurrency).getSingleResult(false);
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if(boFrom==null||boTo==null)return 1.0;
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currencyFrom = boFrom.getAttribute("ExchangeValue").getDouble();
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currencyTo = boTo.getAttribute("ExchangeValue").getDouble();
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} catch (JBOException e) {
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ARE.getLog().error("汇率获取错误：JBO读取错误");
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}
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return NumberAssistant.divided(currencyFrom, currencyTo);
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}
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/**
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* 获取转换成人民币的汇率
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* @param sCurrency
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* @return
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*/
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public static double getERateRMB(String currency){
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return getERate(currency,CURRENCY_RMB);
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}
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/**
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* 获取金额通过两个币种转换后的值
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* @param sum 金额
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* @param fromCurrency 原币种
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* @param toCurrency 目标币种
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* @return
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*/
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public static double getExchange(double sum,String fromCurrency,String toCurrency){
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return NumberAssistant.multiply(sum,getERate(fromCurrency,toCurrency));
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}
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/**
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* 指定币种的金额转换为人民币后的金额
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* @param sum 金额
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* @param fromCurrency 原币种
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* @return
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*/
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public static double getExchangeRMB(double sum,String fromCurrency){
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return getExchange(sum,fromCurrency,CURRENCY_RMB);
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}
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/**
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* 人民币转换为本位币后的金额
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* @param rmbSum 人民币金额
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* @param baseCurrency 本位币币种
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* @return
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*/
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public static double getRMBExchangeBase(double rmbSum,String baseCurrency){
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return getExchange(rmbSum,CURRENCY_RMB,baseCurrency);
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}
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}
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