com.unzer.payment.communication.JsonStringConverter 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 com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;

import java.lang.reflect.Type;

public class JsonStringConverter
		implements JsonDeserializer {

	@Override
	public String deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
		String jsonValue = json.getAsJsonPrimitive().getAsString();
		if ("".equalsIgnoreCase(jsonValue)) {
			return null;
		} else {
			return jsonValue;
		}
	}


}