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* </tr> * <tr> * <td>{@code maxInitialLineLength} * <td>The maximum length of the initial line (e.g. {@code "GET / HTTP/1.0"}) * If the length of the initial line exceeds this value, a * {@link TooLongFrameException} will be raised.</td> * </tr> * <tr> * <td>{@code maxHeaderSize} * <td>The maximum length of all headers. If the sum of the length of each * header exceeds this value, a {@link TooLongFrameException} will be raised.</td> * </tr> * <tr> * <td>{@code maxChunkSize} * <td>The maximum length of the content or each chunk. If the content length * exceeds this value, the transfer encoding of the decoded request will be * converted to 'chunked' and the content will be split into multiple * {@link HttpContent}s. If the transfer encoding of the HTTP request is * 'chunked' already, each chunk will be split into smaller chunks if the * length of the chunk exceeds this value. If you prefer not to handle * {@link HttpContent}s in your handler, insert {@link HttpObjectAggregator} * after this decoder in the {@link ChannelPipeline}.</td> * </tr> * </table> */ public class HttpRequestDecoder extends HttpObjectDecoder { /** * Creates a new instance with the default * {@code maxInitialLineLength (4096)}, {@code maxHeaderSize (8192)}, and * {@code maxChunkSize (8192)}. */ public HttpRequestDecoder() { } /** * Creates a new instance with the specified parameters. */ public HttpRequestDecoder( int maxInitialLineLength, int maxHeaderSize, int maxChunkSize) { super(maxInitialLineLength, maxHeaderSize, maxChunkSize, true); } public HttpRequestDecoder( int maxInitialLineLength, int maxHeaderSize, int maxChunkSize, boolean validateHeaders) { super(maxInitialLineLength, maxHeaderSize, maxChunkSize, true, validateHeaders); } public HttpRequestDecoder( int maxInitialLineLength, int maxHeaderSize, int maxChunkSize, boolean validateHeaders, int initialBufferSize) { super(maxInitialLineLength, maxHeaderSize, maxChunkSize, true, validateHeaders, initialBufferSize); } @Override protected HttpMessage createMessage(String[] initialLine) throws Exception { return new DefaultHttpRequest( HttpVersion.valueOf(initialLine[2]), HttpMethod.valueOf(initialLine[0]), initialLine[1], validateHeaders); } @Override protected HttpMessage createInvalidMessage() { return new DefaultFullHttpRequest(HttpVersion.HTTP_1_0, HttpMethod.GET, "/bad-request", validateHeaders); } @Override protected boolean isDecodingRequest() { return true; } }

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Java example source code file (HttpRequestDecoder.java)

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Java - Java tags/keywords

defaulthttprequest, exception, httpmessage, httpobjectdecoder, httprequestdecoder, override

The HttpRequestDecoder.java Java example source code

/*
 * 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.channel.ChannelPipeline;
import io.netty.handler.codec.TooLongFrameException;


/**
 * Decodes {@link ByteBuf}s into {@link HttpRequest}s and {@link HttpContent}s.
 *
 * <h3>Parameters that prevents excessive memory consumption
 * <table border="1">
 * <tr>
 * <th>Name
Meaning
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