| /* |
| * ==================================================================== |
| * 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.http.impl.io; |
| |
| import java.io.IOException; |
| |
| import org.apache.http.ConnectionClosedException; |
| import org.apache.http.HttpException; |
| import org.apache.http.HttpMessage; |
| import org.apache.http.HttpRequest; |
| import org.apache.http.HttpRequestFactory; |
| import org.apache.http.RequestLine; |
| import org.apache.http.ParseException; |
| import org.apache.http.annotation.NotThreadSafe; |
| import org.apache.http.io.SessionInputBuffer; |
| import org.apache.http.message.LineParser; |
| import org.apache.http.message.ParserCursor; |
| import org.apache.http.params.HttpParams; |
| import org.apache.http.util.CharArrayBuffer; |
| |
| /** |
| * HTTP request parser that obtain its input from an instance |
| * of {@link SessionInputBuffer}. |
| * <p> |
| * The following parameters can be used to customize the behavior of this |
| * class: |
| * <ul> |
| * <li>{@link org.apache.http.params.CoreConnectionPNames#MAX_HEADER_COUNT}</li> |
| * <li>{@link org.apache.http.params.CoreConnectionPNames#MAX_LINE_LENGTH}</li> |
| * </ul> |
| * |
| * @since 4.0 |
| * |
| * @deprecated (4.2) use {@link DefaultHttpRequestParser} |
| */ |
| @Deprecated |
| @NotThreadSafe |
| public class HttpRequestParser extends AbstractMessageParser<HttpMessage> { |
| |
| private final HttpRequestFactory requestFactory; |
| private final CharArrayBuffer lineBuf; |
| |
| /** |
| * Creates an instance of this class. |
| * |
| * @param buffer the session input buffer. |
| * @param parser the line parser. |
| * @param requestFactory the factory to use to create |
| * {@link HttpRequest}s. |
| * @param params HTTP parameters. |
| */ |
| public HttpRequestParser( |
| final SessionInputBuffer buffer, |
| final LineParser parser, |
| final HttpRequestFactory requestFactory, |
| final HttpParams params) { |
| super(buffer, parser, params); |
| if (requestFactory == null) { |
| throw new IllegalArgumentException("Request factory may not be null"); |
| } |
| this.requestFactory = requestFactory; |
| this.lineBuf = new CharArrayBuffer(128); |
| } |
| |
| @Override |
| protected HttpMessage parseHead( |
| final SessionInputBuffer sessionBuffer) |
| throws IOException, HttpException, ParseException { |
| |
| this.lineBuf.clear(); |
| int i = sessionBuffer.readLine(this.lineBuf); |
| if (i == -1) { |
| throw new ConnectionClosedException("Client closed connection"); |
| } |
| ParserCursor cursor = new ParserCursor(0, this.lineBuf.length()); |
| RequestLine requestline = this.lineParser.parseRequestLine(this.lineBuf, cursor); |
| return this.requestFactory.newHttpRequest(requestline); |
| } |
| |
| } |