| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.camel.component.netty.http.handlers; |
| |
| import java.io.PipedInputStream; |
| import java.io.PipedOutputStream; |
| import java.util.List; |
| |
| import io.netty.buffer.ByteBuf; |
| import io.netty.channel.ChannelHandlerContext; |
| import io.netty.handler.codec.MessageToMessageDecoder; |
| import io.netty.handler.codec.http.HttpContent; |
| import io.netty.handler.codec.http.HttpHeaders; |
| import io.netty.handler.codec.http.HttpMessage; |
| import io.netty.handler.codec.http.HttpObject; |
| import io.netty.handler.codec.http.HttpRequest; |
| import io.netty.handler.codec.http.HttpResponse; |
| import io.netty.handler.codec.http.LastHttpContent; |
| import org.apache.camel.component.netty.http.InboundStreamHttpRequest; |
| import org.apache.camel.component.netty.http.InboundStreamHttpResponse; |
| |
| import static io.netty.handler.codec.http.HttpHeaderNames.TRANSFER_ENCODING; |
| import static io.netty.handler.codec.http.HttpHeaderValues.CHUNKED; |
| |
| public class HttpInboundStreamHandler extends MessageToMessageDecoder<HttpObject> { |
| private PipedInputStream is; |
| private PipedOutputStream os; |
| private boolean isChunked; |
| |
| @Override |
| public void handlerAdded(ChannelHandlerContext ctx) throws Exception { |
| super.handlerAdded(ctx); |
| os = new PipedOutputStream(); |
| is = new PipedInputStream(os); |
| isChunked = false; |
| } |
| |
| @Override |
| public void handlerRemoved(ChannelHandlerContext ctx) throws Exception { |
| super.handlerRemoved(ctx); |
| os.close(); |
| is.close(); |
| } |
| |
| @Override |
| public boolean acceptInboundMessage(Object msg) throws Exception { |
| if (!super.acceptInboundMessage(msg)) { |
| return false; |
| } |
| |
| if (msg instanceof HttpMessage) { |
| HttpHeaders headers = ((HttpMessage) msg).headers(); |
| return isChunked = headers.contains(TRANSFER_ENCODING, CHUNKED, true); |
| } else { |
| return (msg instanceof HttpContent) && isChunked; |
| } |
| } |
| |
| @Override |
| protected void decode(ChannelHandlerContext ctx, HttpObject msg, List<Object> out) throws Exception { |
| if (msg instanceof HttpRequest) { |
| InboundStreamHttpRequest request = new InboundStreamHttpRequest((HttpRequest)msg, is); |
| out.add(request); |
| } |
| |
| if (msg instanceof HttpResponse) { |
| InboundStreamHttpResponse response = new InboundStreamHttpResponse((HttpResponse)msg, is); |
| out.add(response); |
| } |
| |
| if (msg instanceof HttpContent) { |
| ByteBuf body = ((HttpContent) msg).content(); |
| if (body.readableBytes() > 0) { |
| body.readBytes(os, body.readableBytes()); |
| } |
| |
| if (msg instanceof LastHttpContent) { |
| os.close(); |
| } |
| } |
| } |
| } |