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.nio.protocol;
029
030import org.apache.http.HttpRequest;
031import org.apache.http.HttpResponse;
032import org.apache.http.HttpStatus;
033import org.apache.http.entity.ContentType;
034import org.apache.http.nio.entity.NStringEntity;
035import org.apache.http.protocol.HttpContext;
036
037class NullRequestHandler implements HttpAsyncRequestHandler<Object> {
038
039    /**
040     * @since 4.4.7
041     */
042    public static final NullRequestHandler INSTANCE = new NullRequestHandler();
043
044    public NullRequestHandler() {
045        super();
046    }
047
048    @Override
049    public HttpAsyncRequestConsumer<Object> processRequest(
050            final HttpRequest request, final HttpContext context) {
051        return new NullRequestConsumer();
052    }
053
054    @Override
055    public void handle(
056            final Object obj,
057            final HttpAsyncExchange httpexchange,
058            final HttpContext context) {
059        final HttpResponse response = httpexchange.getResponse();
060        response.setStatusCode(HttpStatus.SC_NOT_IMPLEMENTED);
061        httpexchange.submitResponse(new ErrorResponseProducer(
062                response, new NStringEntity("Service not implemented", ContentType.TEXT_PLAIN), true));
063    }
064
065}