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A set of classes and interfaces that help building Reports

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/*
 * Copyright (C) 2023 Dynamia Soluciones IT S.A.S - NIT 900302344-1
 * Colombia / South America
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package tools.dynamia.reports;

import tools.dynamia.domain.EntityReference;
import tools.dynamia.domain.EntityReferenceRepository;
import tools.dynamia.domain.util.DomainUtils;

import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;

public class ExporterUtils {

	private static final Map cache = new HashMap<>();

	public static void clearCache(){
		cache.clear();
	}

	public static Object checkAndLoadEntityReferenceValue(ExporterColumn col, Object value) {
		try {
			if (col.isEntityAlias() && value instanceof Serializable) {
				String key = col.getEntityAlias() + ":" + value;
				Object cacheValue = cache.get(key);
				if (cacheValue == null) {
					EntityReferenceRepository repo = DomainUtils
							.getEntityReferenceRepositoryByAlias(col.getEntityAlias());
					if (repo != null) {
						@SuppressWarnings("unchecked") EntityReference ref = repo.load((Serializable) value);
						if (ref != null) {
							value = ref.toString();
							cache.put(key, value);
						}
					}
				} else {
					value = cacheValue;
				}
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return value;
	}

}