io.netty.handler.codec.http.HttpResponseEncoder Maven / Gradle / Ivy
/*
* Copyright 2012 The Netty Project
*
* The Netty Project 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 io.netty.handler.codec.http;
import io.netty.buffer.ByteBuf;
import io.netty.handler.codec.AsciiString;
import static io.netty.handler.codec.http.HttpConstants.*;
/**
* Encodes an {@link HttpResponse} or an {@link HttpContent} into
* a {@link ByteBuf}.
*/
public class HttpResponseEncoder extends HttpObjectEncoder {
private static final byte[] CRLF = { CR, LF };
@Override
public boolean acceptOutboundMessage(Object msg) throws Exception {
return super.acceptOutboundMessage(msg) && !(msg instanceof HttpRequest);
}
@Override
protected void encodeInitialLine(ByteBuf buf, HttpResponse response) throws Exception {
AsciiString version = response.protocolVersion().text();
buf.writeBytes(version.array(), version.arrayOffset(), version.length());
buf.writeByte(SP);
AsciiString code = response.status().codeAsText();
buf.writeBytes(code.array(), code.arrayOffset(), code.length());
buf.writeByte(SP);
AsciiString reasonPhrase = response.status().reasonPhrase();
buf.writeBytes(reasonPhrase.array(), reasonPhrase.arrayOffset(), reasonPhrase.length());
buf.writeBytes(CRLF);
}
}
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