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• 1.1.6
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• ExpressionUtil.java

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com.whaleal.icefrog.extra.expression.ExpressionUtil Maven / Gradle / Ivy

package com.whaleal.icefrog.extra.expression;

import com.whaleal.icefrog.extra.expression.engine.ExpressionFactory;

import java.util.Map;

/**
 * 表达式引擎工具类
 *
 * @author looly
 */
public class ExpressionUtil {

    /**
     * 获得全局单例的表达式引擎
     *
     * @return 全局单例的表达式引擎
     */
    public static ExpressionEngine getEngine() {
        return ExpressionFactory.get();
    }

    /**
     * 执行表达式
     *
     * @param expression 表达式
     * @param context    表达式上下文，用于存储表达式中所需的变量值等
     * @return 执行结果
     */
    public static Object eval( String expression, Map context ) {
        return getEngine().eval(expression, context);
    }
}