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Java client for the Apple iTunes APIs

There is a newer version: 4.6.0

/*
	Copyright 2020 Marceau Dewilde 
	
	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 be.ceau.itunesapi.response.genreidsappendix;

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

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.type.MapType;

import be.ceau.itunesapi.GenreIdsAppendix;

/**
 * iTunes Genre ID response
 */
public class GenreIdsResponse implements Serializable {

	private static final long serialVersionUID = 1501610206217L;

	private static final ObjectMapper MAPPER = new ObjectMapper();
	private static final MapType MAP_TYPE = MAPPER.getTypeFactory().constructMapType(HashMap.class, Integer.class, Genre.class);

	private final Map genres = new HashMap<>();

	/**
	 * Static factory for parsing a valid JSON response to a new
	 * {@link GenreIdsResponse} instance
	 * 
	 * @param json
	 *            the JSON response received from Apple's Genre IDs Appendix API
	 * @return a {@link GenreIdsAppendix} instance
	 * @throws IllegalArgumentException if argument null
	 * @throws IOException on exception with parsing JSON
	 */
	public static GenreIdsResponse parse(String json) throws IOException {
		if (json == null) {
			throw new IllegalArgumentException("json argument can not be null");
		}
		Map map = MAPPER.readValue(json, MAP_TYPE);
		GenreIdsResponse response = new GenreIdsResponse();
		response.genres.putAll(map);
		return response;
	}

	/**
	 * @return modifiable {@link Map} containing the parsed genres in this response
	 */
	public Map getGenres() {
		return genres;
	}

	@Override
	public String toString() {
		return "GenreIdsResponse[" + genres + "]";
	}

}