Java tutorial
/* * Copyright (C) 2015 Square, Inc. * * 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 retrofit; import com.google.protobuf.MessageLite; import com.squareup.okhttp.MediaType; import com.squareup.okhttp.RequestBody; import java.io.IOException; final class ProtoRequestBodyConverter<T extends MessageLite> implements Converter<T, RequestBody> { private static final MediaType MEDIA_TYPE = MediaType.parse("application/x-protobuf"); @Override public RequestBody convert(T value) throws IOException { byte[] bytes = value.toByteArray(); return RequestBody.create(MEDIA_TYPE, bytes); } }