io.micronaut.http.netty.NettyHttpRequestBuilder Maven / Gradle / Ivy
/*
* Copyright 2017-2020 original authors
*
* 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 io.micronaut.http.netty;
import io.micronaut.core.annotation.NonNull;
import io.micronaut.http.HttpRequestWrapper;
import io.micronaut.http.netty.stream.StreamedHttpRequest;
import io.netty.buffer.ByteBuf;
import io.netty.handler.codec.http.DefaultFullHttpRequest;
import io.netty.handler.codec.http.FullHttpRequest;
import io.netty.handler.codec.http.HttpMethod;
import io.netty.handler.codec.http.HttpRequest;
import io.netty.handler.codec.http.HttpVersion;
import java.util.Objects;
/**
* Common interface for client and server to implement to construct the Netty versions of the request objects.
*
* @author graemerocher
* @since 2.0.0
*/
public interface NettyHttpRequestBuilder {
/**
* Converts this object to a full http request.
*
* @return a full http request
*/
@NonNull
FullHttpRequest toFullHttpRequest();
/**
* Converts this object to a streamed http request.
* @return The streamed request
*/
@NonNull
StreamedHttpRequest toStreamHttpRequest();
/**
* Converts this object to the most appropriate http request type.
* @return The http request
*/
@NonNull
HttpRequest toHttpRequest();
/**
* @return Is the request a stream.
*/
boolean isStream();
/**
* Convert the given request to a full http request.
* @param request The request
* @return The full request.
*/
static @NonNull HttpRequest toHttpRequest(@NonNull io.micronaut.http.HttpRequest request) {
Objects.requireNonNull(request, "The request cannot be null");
while (request instanceof HttpRequestWrapper) {
request = ((HttpRequestWrapper) request).getDelegate();
}
if (request instanceof NettyHttpRequestBuilder) {
return ((NettyHttpRequestBuilder) request).toHttpRequest();
}
// manual conversion
HttpRequest nettyRequest;
ByteBuf byteBuf = request.getBody(ByteBuf.class).orElse(null);
if (byteBuf != null) {
nettyRequest = new DefaultFullHttpRequest(
HttpVersion.HTTP_1_1,
HttpMethod.valueOf(request.getMethodName()),
request.getUri().toString(),
byteBuf
);
} else {
nettyRequest = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1,
HttpMethod.valueOf(request.getMethodName()),
request.getUri().toString()
);
}
request.getHeaders()
.forEach((s, strings) -> nettyRequest.headers().add(s, strings));
return nettyRequest;
}
}