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com.mitchellbosecke.pebble.node.expression.TernaryExpression Maven / Gradle / Ivy

/*******************************************************************************
 * This file is part of Pebble.
 * 
 * Copyright (c) 2014 by Mitchell Bösecke
 * 
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 ******************************************************************************/
package com.mitchellbosecke.pebble.node.expression;

import com.mitchellbosecke.pebble.error.PebbleException;
import com.mitchellbosecke.pebble.extension.NodeVisitor;
import com.mitchellbosecke.pebble.template.EvaluationContext;
import com.mitchellbosecke.pebble.template.PebbleTemplateImpl;

public class TernaryExpression implements Expression {

    private final Expression expression1;

    private Expression expression2;

    private Expression expression3;

    public TernaryExpression(Expression expression1, Expression expression2, Expression expression3) {
        this.expression1 = expression1;
        this.expression2 = expression2;
        this.expression3 = expression3;
    }

    @Override
    public Object evaluate(PebbleTemplateImpl self, EvaluationContext context) throws PebbleException {
        if (expression1.evaluate(self, context) != null && expression1.evaluate(self, context) == true) {
            return expression2.evaluate(self, context);
        } else {
            return expression3.evaluate(self, context);
        }
    }

    @Override
    public void accept(NodeVisitor visitor) {
        visitor.visit(this);
    }

    public Expression getExpression1() {
        return expression1;
    }

    public Expression getExpression2() {
        return expression2;
    }

    public Expression getExpression3() {
        return expression3;
    }

    public void setExpression3(Expression expression3) {
        this.expression3 = expression3;
    }

    public void setExpression2(Expression expression2) {
        this.expression2 = expression2;
    }

}