/*
* ====================================================================
* 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.nio.codecs;
import org.apache.http.HttpException;
import org.apache.http.HttpRequest;
import org.apache.http.HttpRequestFactory;
import org.apache.http.ParseException;
import org.apache.http.RequestLine;
import org.apache.http.annotation.NotThreadSafe;
import org.apache.http.config.MessageConstraints;
import org.apache.http.impl.DefaultHttpRequestFactory;
import org.apache.http.message.BasicLineParser;
import org.apache.http.message.LineParser;
import org.apache.http.message.ParserCursor;
import org.apache.http.nio.NHttpMessageParser;
import org.apache.http.nio.reactor.SessionInputBuffer;
import org.apache.http.params.HttpParams;
import org.apache.http.util.Args;
import org.apache.http.util.CharArrayBuffer;
/**
* Default {@link NHttpMessageParser} implementation for {@link HttpRequest}s.
*
* @since 4.1
*/
@SuppressWarnings("deprecation")
@NotThreadSafe
public class DefaultHttpRequestParser extends AbstractMessageParser<HttpRequest> {
private final HttpRequestFactory requestFactory;
/**
* Creates an instance of this class.
*
* @param buffer the session input buffer.
* @param parser the line parser.
* @param params HTTP parameters.
*
* @deprecated (4.3) use
* {@link DefaultHttpRequestParser#DefaultHttpRequestParser(
* SessionInputBuffer, LineParser, HttpRequestFactory, MessageConstraints)}
*/
@Deprecated
public DefaultHttpRequestParser(
final SessionInputBuffer buffer,
final LineParser parser,
final HttpRequestFactory requestFactory,
final HttpParams params) {
super(buffer, parser, params);
Args.notNull(requestFactory, "Request factory");
this.requestFactory = requestFactory;
}
/**
* Creates an instance of DefaultHttpRequestParser.
*
* @param buffer the session input buffer.
* @param parser the line parser. If <code>null</code> {@link BasicLineParser#INSTANCE} will
* be used.
* @param requestFactory the request factory. If <code>null</code>
* {@link DefaultHttpRequestFactory#INSTANCE} will be used.
* @param constraints Message constraints. If <code>null</code>
* {@link MessageConstraints#DEFAULT} will be used.
*
* @since 4.3
*/
public DefaultHttpRequestParser(
final SessionInputBuffer buffer,
final LineParser parser,
final HttpRequestFactory requestFactory,
final MessageConstraints constraints) {
super(buffer, parser, constraints);
this.requestFactory = requestFactory != null ? requestFactory : DefaultHttpRequestFactory.INSTANCE;
}
/**
* @since 4.3
*/
public DefaultHttpRequestParser(final SessionInputBuffer buffer, final MessageConstraints constraints) {
this(buffer, null, null, constraints);
}
/**
* @since 4.3
*/
public DefaultHttpRequestParser(final SessionInputBuffer buffer) {
this(buffer, null);
}
@Override
protected HttpRequest createMessage(final CharArrayBuffer buffer)
throws HttpException, ParseException {
final ParserCursor cursor = new ParserCursor(0, buffer.length());
final RequestLine requestLine = lineParser.parseRequestLine(buffer, cursor);
return this.requestFactory.newHttpRequest(requestLine);
}
}