org.apache.http.impl.nio.client.InternalHttpAsyncClient Maven / Gradle / Ivy

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 * 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
 * .
 *
 */
package org.apache.http.impl.nio.client;

import java.util.List;
import java.util.concurrent.Future;
import java.util.concurrent.ThreadFactory;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.http.ConnectionReuseStrategy;
import org.apache.http.HttpHost;
import org.apache.http.auth.AuthSchemeProvider;
import org.apache.http.auth.AuthState;
import org.apache.http.client.CookieStore;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.protocol.HttpClientContext;
import org.apache.http.concurrent.BasicFuture;
import org.apache.http.concurrent.FutureCallback;
import org.apache.http.config.Lookup;
import org.apache.http.conn.ConnectionKeepAliveStrategy;
import org.apache.http.cookie.CookieSpecProvider;
import org.apache.http.nio.NHttpClientEventHandler;
import org.apache.http.nio.conn.NHttpClientConnectionManager;
import org.apache.http.nio.protocol.HttpAsyncRequestProducer;
import org.apache.http.nio.protocol.HttpAsyncResponseConsumer;
import org.apache.http.protocol.BasicHttpContext;
import org.apache.http.protocol.HttpContext;

class InternalHttpAsyncClient extends CloseableHttpAsyncClientBase {

    private final Log log = LogFactory.getLog(getClass());

    private final NHttpClientConnectionManager connmgr;
    private final ConnectionReuseStrategy connReuseStrategy;
    private final ConnectionKeepAliveStrategy keepaliveStrategy;
    private final InternalClientExec exec;
    private final Lookup cookieSpecRegistry;
    private final Lookup authSchemeRegistry;
    private final CookieStore cookieStore;
    private final CredentialsProvider credentialsProvider;
    private final RequestConfig defaultConfig;

    public InternalHttpAsyncClient(
            final NHttpClientConnectionManager connmgr,
            final ConnectionReuseStrategy connReuseStrategy,
            final ConnectionKeepAliveStrategy keepaliveStrategy,
            final ThreadFactory threadFactory,
            final NHttpClientEventHandler handler,
            final InternalClientExec exec,
            final Lookup cookieSpecRegistry,
            final Lookup authSchemeRegistry,
            final CookieStore cookieStore,
            final CredentialsProvider credentialsProvider,
            final RequestConfig defaultConfig) {
        super(connmgr, threadFactory, handler);
        this.connmgr = connmgr;
        this.connReuseStrategy = connReuseStrategy;
        this.keepaliveStrategy = keepaliveStrategy;
        this.exec = exec;
        this.cookieSpecRegistry = cookieSpecRegistry;
        this.authSchemeRegistry = authSchemeRegistry;
        this.cookieStore = cookieStore;
        this.credentialsProvider = credentialsProvider;
        this.defaultConfig = defaultConfig;
    }

    private void setupContext(final HttpClientContext context) {
        if (context.getAttribute(HttpClientContext.TARGET_AUTH_STATE) == null) {
            context.setAttribute(HttpClientContext.TARGET_AUTH_STATE, new AuthState());
        }
        if (context.getAttribute(HttpClientContext.PROXY_AUTH_STATE) == null) {
            context.setAttribute(HttpClientContext.PROXY_AUTH_STATE, new AuthState());
        }
        if (context.getAttribute(HttpClientContext.AUTHSCHEME_REGISTRY) == null) {
            context.setAttribute(HttpClientContext.AUTHSCHEME_REGISTRY, this.authSchemeRegistry);
        }
        if (context.getAttribute(HttpClientContext.COOKIESPEC_REGISTRY) == null) {
            context.setAttribute(HttpClientContext.COOKIESPEC_REGISTRY, this.cookieSpecRegistry);
        }
        if (context.getAttribute(HttpClientContext.COOKIE_STORE) == null) {
            context.setAttribute(HttpClientContext.COOKIE_STORE, this.cookieStore);
        }
        if (context.getAttribute(HttpClientContext.CREDS_PROVIDER) == null) {
            context.setAttribute(HttpClientContext.CREDS_PROVIDER, this.credentialsProvider);
        }
        if (context.getAttribute(HttpClientContext.REQUEST_CONFIG) == null) {
            context.setAttribute(HttpClientContext.REQUEST_CONFIG, this.defaultConfig);
        }
    }

    @Override
    public  Future execute(
            final HttpAsyncRequestProducer requestProducer,
            final HttpAsyncResponseConsumer responseConsumer,
            final HttpContext context,
            final FutureCallback callback) {
        ensureRunning();
        final BasicFuture future = new BasicFuture(callback);
        final HttpClientContext localcontext = HttpClientContext.adapt(
            context != null ? context : new BasicHttpContext());
        setupContext(localcontext);

        @SuppressWarnings("resource")
        final DefaultClientExchangeHandlerImpl handler = new DefaultClientExchangeHandlerImpl(
            this.log,
            requestProducer,
            responseConsumer,
            localcontext,
            future,
            this.connmgr,
            this.connReuseStrategy,
            this.keepaliveStrategy,
            this.exec);
        try {
            handler.start();
        } catch (final Exception ex) {
            handler.failed(ex);
        }
        return new FutureWrapper(future, handler);
    }

    @Override
    public  Future> execute(
            final HttpHost target,
            final List requestProducers,
            final List> responseConsumers,
            final HttpContext context,
            final FutureCallback> callback) {
        throw new UnsupportedOperationException("Pipelining not supported");
    }

}