/*
* Copyright (c) 2011-2013 The original author or authors
* ------------------------------------------------------
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* The Apache License v2.0 is available at
* http://www.opensource.org/licenses/apache2.0.php
*
* You may elect to redistribute this code under either of these licenses.
*/
package io.vertx.core.http.impl;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.handler.codec.http.DefaultLastHttpContent;
import io.netty.handler.codec.http.FullHttpResponse;
import io.netty.handler.codec.http.HttpContent;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpResponse;
import io.netty.handler.codec.http.HttpResponseStatus;
import io.netty.handler.codec.http.HttpVersion;
import io.netty.handler.codec.http.LastHttpContent;
import io.netty.handler.codec.DecoderResult;
/**
* Helper wrapper class which allows to assemble a LastHttpContent and a HttpResponse into one "packet" and so more
* efficient write it through the pipeline.
*
* @author <a href="mailto:nmaurer@redhat.com">Norman Maurer</a>
*/
class AssembledFullHttpResponse extends AssembledHttpResponse implements FullHttpResponse {
public AssembledFullHttpResponse(HttpResponse response, LastHttpContent content) {
this(response, content.content(), content.trailingHeaders(), content.getDecoderResult());
}
public AssembledFullHttpResponse(HttpResponse response) {
this(response, Unpooled.EMPTY_BUFFER);
}
public AssembledFullHttpResponse(HttpResponse response, ByteBuf buf) {
super(response, toLastContent(buf, null, DecoderResult.SUCCESS));
}
public AssembledFullHttpResponse(HttpResponse response, ByteBuf buf, HttpHeaders trailingHeaders, DecoderResult result) {
super(response, toLastContent(buf, trailingHeaders, result));
}
private static LastHttpContent toLastContent(ByteBuf buf, HttpHeaders trailingHeaders, DecoderResult result) {
if (buf.isReadable()) {
if (trailingHeaders == null) {
return new DefaultLastHttpContent(buf);
} else {
return new AssembledLastHttpContent(buf, trailingHeaders, result);
}
} else {
if (trailingHeaders == null) {
return LastHttpContent.EMPTY_LAST_CONTENT;
} else {
return new AssembledLastHttpContent(Unpooled.EMPTY_BUFFER, trailingHeaders, result);
}
}
}
@Override
public AssembledFullHttpResponse setStatus(HttpResponseStatus status) {
super.setStatus(status);
return this;
}
@Override
public AssembledFullHttpResponse retain(int increment) {
super.retain(increment);
return this;
}
@Override
public AssembledFullHttpResponse retain() {
super.retain();
return this;
}
@Override
public AssembledFullHttpResponse duplicate() {
super.duplicate();
return this;
}
@Override
public AssembledFullHttpResponse copy() {
super.copy();
return this;
}
@Override
public AssembledFullHttpResponse retainedDuplicate() {
super.retainedDuplicate();
return this;
}
@Override
public AssembledFullHttpResponse replace(ByteBuf content) {
super.replace(content);
return this;
}
@Override
public AssembledFullHttpResponse setProtocolVersion(HttpVersion version) {
super.setProtocolVersion(version);
return this;
}
@Override
public HttpHeaders trailingHeaders() {
return ((LastHttpContent) content).trailingHeaders();
}
@Override
public AssembledFullHttpResponse touch() {
super.touch();
return this;
}
@Override
public AssembledFullHttpResponse touch(Object hint) {
super.touch(hint);
return this;
}
}