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 java.io.IOException;
031import java.nio.ByteBuffer;
032
033import org.apache.http.HttpRequest;
034import org.apache.http.nio.ContentDecoder;
035import org.apache.http.nio.IOControl;
036import org.apache.http.protocol.HttpContext;
037
038class NullRequestConsumer implements HttpAsyncRequestConsumer<Object> {
039
040    private final ByteBuffer buffer;
041    private volatile boolean completed;
042
043    NullRequestConsumer() {
044        super();
045        this.buffer = ByteBuffer.allocate(2048);
046    }
047
048    @Override
049    public void requestReceived(final HttpRequest request) {
050    }
051
052    @Override
053    public void consumeContent(
054            final ContentDecoder decoder, final IOControl ioctrl) throws IOException {
055        int lastRead;
056        do {
057            this.buffer.clear();
058            lastRead = decoder.read(this.buffer);
059        } while (lastRead > 0);
060    }
061
062    @Override
063    public void requestCompleted(final HttpContext context) {
064        this.completed = true;
065    }
066
067    @Override
068    public void failed(final Exception ex) {
069        this.completed = true;
070    }
071
072    @Override
073    public Object getResult() {
074        return Boolean.valueOf(this.completed);
075    }
076
077    @Override
078    public Exception getException() {
079        return null;
080    }
081
082    @Override
083    public void close() throws IOException {
084        this.completed = true;
085    }
086
087    @Override
088    public boolean isDone() {
089        return this.completed;
090    }
091
092}