001/*
002 * ====================================================================
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements.  See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership.  The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License.  You may obtain a copy of the License at
010 *
011 *   http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing,
014 * software distributed under the License is distributed on an
015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
016 * KIND, either express or implied.  See the License for the
017 * specific language governing permissions and limitations
018 * under the License.
019 * ====================================================================
020 *
021 * This software consists of voluntary contributions made by many
022 * individuals on behalf of the Apache Software Foundation.  For more
023 * information on the Apache Software Foundation, please see
024 * <http://www.apache.org/>.
025 *
026 */
027
028package org.apache.http.impl.nio.codecs;
029
030import org.apache.http.HttpRequest;
031import org.apache.http.HttpRequestFactory;
032import org.apache.http.annotation.ThreadingBehavior;
033import org.apache.http.annotation.Contract;
034import org.apache.http.config.MessageConstraints;
035import org.apache.http.impl.DefaultHttpRequestFactory;
036import org.apache.http.message.BasicLineParser;
037import org.apache.http.message.LineParser;
038import org.apache.http.nio.NHttpMessageParser;
039import org.apache.http.nio.NHttpMessageParserFactory;
040import org.apache.http.nio.reactor.SessionInputBuffer;
041
042/**
043 * Default factory for request message parsers.
044 *
045 * @since 4.3
046 */
047@Contract(threading = ThreadingBehavior.IMMUTABLE_CONDITIONAL)
048public class DefaultHttpRequestParserFactory implements NHttpMessageParserFactory<HttpRequest> {
049
050    public static final DefaultHttpRequestParserFactory INSTANCE = new DefaultHttpRequestParserFactory();
051
052    private final LineParser lineParser;
053    private final HttpRequestFactory requestFactory;
054
055    public DefaultHttpRequestParserFactory(final LineParser lineParser,
056            final HttpRequestFactory requestFactory) {
057        super();
058        this.lineParser = lineParser != null ? lineParser : BasicLineParser.INSTANCE;
059        this.requestFactory = requestFactory != null ? requestFactory
060                : DefaultHttpRequestFactory.INSTANCE;
061    }
062
063    public DefaultHttpRequestParserFactory() {
064        this(null, null);
065    }
066
067    @Override
068    public NHttpMessageParser<HttpRequest> create(final SessionInputBuffer buffer,
069            final MessageConstraints constraints) {
070        return new DefaultHttpRequestParser(buffer, lineParser, requestFactory, constraints);
071    }
072
073}