RoboSwag-components/api-logansquare/src/main/java/ru/touchin/templates/retrofit/JsonRequestBodyConverter.java

64 lines
2.1 KiB
Java

/*
* Copyright (c) 2017 Touch Instinct
*
* This file is part of RoboSwag library.
*
* 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 ru.touchin.templates.retrofit;
import android.support.annotation.NonNull;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import okhttp3.MediaType;
import okhttp3.RequestBody;
import retrofit2.Converter;
import ru.touchin.templates.ApiModel;
/**
* Created by Gavriil Sitnikov on 14/02/2017.
* Object to serialize bodies of remote requests for Retrofit.
*
* @param <T> Type of body object.
*/
public abstract class JsonRequestBodyConverter<T> implements Converter<T, RequestBody> {
private static final MediaType MEDIA_TYPE = MediaType.parse("application/json; charset=UTF-8");
@NonNull
@Override
public RequestBody convert(@NonNull final T value) throws IOException {
if (value instanceof ApiModel) {
((ApiModel) value).validate();
}
final ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
writeValueToByteArray(value, byteArrayOutputStream);
return RequestBody.create(MEDIA_TYPE, byteArrayOutputStream.toByteArray());
}
/**
* Serializing value to byte stream.
*
* @param value Value to serialize;
* @param byteArrayOutputStream Byte stream to write serialized bytes;
* @throws IOException Throws on serialization.
*/
protected abstract void writeValueToByteArray(@NonNull T value, @NonNull ByteArrayOutputStream byteArrayOutputStream) throws IOException;
}