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/*
 * JasperReports - Free Java Reporting Library.
 * Copyright (C) 2001 - 2025 Cloud Software Group, Inc. All rights reserved.
 * http://www.jaspersoft.com
 *
 * Unless you have purchased a commercial license agreement from Jaspersoft,
 * the following license terms apply:
 *
 * This program is part of JasperReports.
 *
 * JasperReports is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * JasperReports is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with JasperReports. If not, see .
 */
package net.sf.jasperreports.compilers;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import net.sf.jasperreports.engine.JRExpression;
import net.sf.jasperreports.engine.fill.JREvaluator;
import net.sf.jasperreports.engine.fill.JRFillField;
import net.sf.jasperreports.engine.fill.JRFillParameter;
import net.sf.jasperreports.engine.fill.JRFillVariable;

/**
 * 
 * @author Lucian Chirita ([email protected])
 */
public class CompositeDirectExpressionEvaluators implements DirectExpressionEvaluators
{

	private final List evaluatorsList;

	public CompositeDirectExpressionEvaluators()
	{
		this.evaluatorsList = new ArrayList<>();
	}

	public void add(DirectExpressionEvaluators evaluators)
	{
		evaluatorsList.add(evaluators);
	}

	@Override
	public void init(JREvaluator evaluator, Map parametersMap,
			Map fieldsMap, Map variablesMap)
	{
		evaluatorsList.forEach(evaluators -> evaluators.init(evaluator, parametersMap, fieldsMap, variablesMap));
	}

	@Override
	public DirectExpressionEvaluator getEvaluator(JRExpression expression)
	{
		DirectExpressionEvaluator evaluator = null;
		for (DirectExpressionEvaluators evaluators : evaluatorsList)
		{
			evaluator = evaluators.getEvaluator(expression);
			if (evaluator != null)
			{
				break;
			}
		}
		return evaluator;
	}

}