2 * ============LICENSE_START====================================
3 * DCAEGEN2-SERVICES-SDK
4 * =========================================================
5 * Copyright (C) 2019 Nokia. All rights reserved.
6 * =========================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=====================================
21 package org.onap.dcaegen2.services.sdk.rest.services.adapters.http;
23 import com.google.gson.JsonElement;
24 import io.netty.buffer.ByteBuf;
25 import io.netty.buffer.ByteBufAllocator;
26 import java.nio.charset.Charset;
27 import java.nio.charset.StandardCharsets;
28 import org.immutables.value.Value;
29 import org.jetbrains.annotations.Nullable;
30 import org.reactivestreams.Publisher;
31 import reactor.core.publisher.Mono;
32 import reactor.netty.ByteBufFlux;
35 * @author <a href="mailto:piotr.jaszczyk@nokia.com">Piotr Jaszczyk</a>
39 public interface RequestBody {
41 Publisher<ByteBuf> contents();
43 @Nullable Integer length();
45 static RequestBody chunkedFromString(Publisher<String> contents) {
46 return chunkedFromString(contents, StandardCharsets.UTF_8);
49 static RequestBody chunkedFromString(Publisher<String> contents, Charset charset) {
50 return ImmutableRequestBody.builder()
52 .contents(ByteBufFlux.fromString(contents, charset, ByteBufAllocator.DEFAULT))
56 static RequestBody fromString(String contents) {
57 return fromString(contents, StandardCharsets.UTF_8);
60 static RequestBody fromString(String contents, Charset charset) {
61 ByteBuf encodedContents = ByteBufAllocator.DEFAULT.buffer();
62 encodedContents.writeCharSequence(contents, charset);
64 return ImmutableRequestBody.builder()
65 .length(encodedContents.readableBytes())
66 .contents(Mono.just(encodedContents.retain()))
70 static RequestBody fromJson(JsonElement contents) {
71 return fromString(contents.toString());