package com.java110.utils.util;
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import java.util.Map;
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public class FlowUtil {
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/**
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* el表达式判断
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*
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* @param expression
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* @param vars
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* @return
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*/
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public static boolean isCondition(String expression, Map<String, Object> vars) {
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if (expression == null || expression == "") {
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return false;
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}
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//分割表达式
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String[] exprArr = expression.split("[{}$&]");
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for (String expr : exprArr) {
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//是否包含键message
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if (expr.contains("flag")) {
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if (!vars.containsKey("flag")) {
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continue;
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}
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if (expr.contains("==")) {
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String[] primes = expr.split("==");
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String valExpr = primes[1].trim();
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if (valExpr.startsWith("'")) {
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valExpr = valExpr.substring(1);
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}
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if (valExpr.endsWith("'")) {
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valExpr = valExpr.substring(0, valExpr.length() - 1);
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}
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if (primes.length == 2 && valExpr.equals(vars.get("flag"))) {
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return true;
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}
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}
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}
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}
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return false;
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}
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}
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