com.hlag.rulemaker.RuleMakerJsonLogic Maven / Gradle / Ivy

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Helper library that contains custom expressions and operators for JsonLogic

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package com.hlag.rulemaker;

import com.hlag.rulemaker.expression.BigDecimalMathExpression;
import com.hlag.rulemaker.expression.ClampExpression;
import com.hlag.rulemaker.expression.CustomNumericComparisonExpression;
import com.hlag.rulemaker.expression.DateDiffExpression;
import io.github.jamsesso.jsonlogic.JsonLogic;
import io.github.jamsesso.jsonlogic.JsonLogicException;

public class RuleMakerJsonLogic {

  private final JsonLogic jsonLogic;

  public RuleMakerJsonLogic() {
    this.jsonLogic = new JsonLogic();

    //Add custom operations
    jsonLogic.addOperation(CustomNumericComparisonExpression.GT);
    jsonLogic.addOperation(CustomNumericComparisonExpression.GTE);
    jsonLogic.addOperation(CustomNumericComparisonExpression.LT);
    jsonLogic.addOperation(CustomNumericComparisonExpression.LTE);
    jsonLogic.addOperation(BigDecimalMathExpression.ADD);
    jsonLogic.addOperation(BigDecimalMathExpression.SUBTRACT);
    jsonLogic.addOperation(BigDecimalMathExpression.MULTIPLY);
    jsonLogic.addOperation(BigDecimalMathExpression.DIVIDE);
    jsonLogic.addOperation(BigDecimalMathExpression.MODULO);
    jsonLogic.addOperation(BigDecimalMathExpression.MIN);
    jsonLogic.addOperation(BigDecimalMathExpression.MAX);

    jsonLogic.addOperation(ClampExpression.INSTANCE);
    jsonLogic.addOperation(DateDiffExpression.INSTANCE);
    jsonLogic.addOperation(CustomNumericComparisonExpression.LT_LTE);
    jsonLogic.addOperation(CustomNumericComparisonExpression.LT_LT);
    jsonLogic.addOperation(CustomNumericComparisonExpression.LTE_LTE);
    jsonLogic.addOperation(CustomNumericComparisonExpression.LTE_LT);
  }

  public Object apply(String json, Object data) throws JsonLogicException {
    return jsonLogic.apply(json, data);
  }
}