/*
 * Copyright 2016-2020 the original author or authors.
 *
 * 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
 *
 *      https://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 org.springframework.cloud.fn.common.geode;

import java.util.function.Function;

import org.apache.geode.pdx.JSONFormatter;
import org.apache.geode.pdx.PdxInstance;

/**
 * @author David Turanski
 * @author Christian Tzolov
 *
 */
public abstract class JsonPdxFunctions {

	public static Function<String, PdxInstance> jsonToPdx() {
		return JSONFormatter::fromJSON;
	}

	public static Function<PdxInstance, String> pdxToJson() {
		return obj -> {
			if (obj == null) {
				return null;
			}
			if (obj instanceof PdxInstance) {
				String json = JSONFormatter.toJSON(obj);
				// de-pretty
				return json.replaceAll("\\r\\n\\s*", "").replaceAll("\\n\\s*", "")
						.replaceAll("\\s*:\\s*", ":").trim();
			}
			return obj.toString();
		};
	}
}
