com.unzer.payment.communication.JsonURLConverter Maven / Gradle / Ivy

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package com.unzer.payment.communication;

/*-
 * #%L
 * Unzer Java SDK
 * %%
 * Copyright (C) 2020 Unzer E-Com GmbH
 * %%
 * 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.
 * #L%
 */

import java.lang.reflect.Type;
import java.net.MalformedURLException;
import java.net.URL;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonPrimitive;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;

public class JsonURLConverter
		implements JsonDeserializer, JsonSerializer {
	public static final Logger logger = LogManager.getLogger(JsonURLConverter.class);

	@Override
	public URL deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
		String urlValue = json.getAsJsonPrimitive().getAsString();
		if (urlValue == null || "".equalsIgnoreCase(urlValue)) return null;
		try {
			return new URL(urlValue);
		} catch (MalformedURLException e) {
			logger.warn("Invalid URL '" + urlValue + "': " + e.getMessage());
			return null;
		}
	}

	@Override
	public JsonElement serialize(URL src, Type typeOfSrc, JsonSerializationContext context) {
		return new JsonPrimitive(src.toString());
	}

}