| /* |
| * ==================================================================== |
| * 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.hc.client5.http.impl.classic; |
| |
| import java.io.Closeable; |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.concurrent.ConcurrentLinkedQueue; |
| |
| import org.apache.hc.client5.http.ClientProtocolException; |
| import org.apache.hc.client5.http.HttpRoute; |
| import org.apache.hc.client5.http.auth.AuthSchemeFactory; |
| import org.apache.hc.client5.http.auth.CredentialsProvider; |
| import org.apache.hc.client5.http.classic.ExecChain; |
| import org.apache.hc.client5.http.classic.ExecRuntime; |
| import org.apache.hc.client5.http.config.Configurable; |
| import org.apache.hc.client5.http.config.RequestConfig; |
| import org.apache.hc.client5.http.cookie.CookieSpecFactory; |
| import org.apache.hc.client5.http.cookie.CookieStore; |
| import org.apache.hc.client5.http.impl.ExecSupport; |
| import org.apache.hc.client5.http.io.HttpClientConnectionManager; |
| import org.apache.hc.client5.http.protocol.HttpClientContext; |
| import org.apache.hc.client5.http.routing.HttpRoutePlanner; |
| import org.apache.hc.client5.http.routing.RoutingSupport; |
| import org.apache.hc.core5.annotation.Contract; |
| import org.apache.hc.core5.annotation.Internal; |
| import org.apache.hc.core5.annotation.ThreadingBehavior; |
| import org.apache.hc.core5.concurrent.CancellableDependency; |
| import org.apache.hc.core5.http.ClassicHttpRequest; |
| import org.apache.hc.core5.http.ClassicHttpResponse; |
| import org.apache.hc.core5.http.HttpException; |
| import org.apache.hc.core5.http.HttpHost; |
| import org.apache.hc.core5.http.HttpRequest; |
| import org.apache.hc.core5.http.config.Lookup; |
| import org.apache.hc.core5.http.impl.io.HttpRequestExecutor; |
| import org.apache.hc.core5.http.io.support.ClassicRequestBuilder; |
| import org.apache.hc.core5.http.protocol.BasicHttpContext; |
| import org.apache.hc.core5.http.protocol.HttpContext; |
| import org.apache.hc.core5.io.CloseMode; |
| import org.apache.hc.core5.io.ModalCloseable; |
| import org.apache.hc.core5.net.URIAuthority; |
| import org.apache.hc.core5.util.Args; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Internal implementation of {@link CloseableHttpClient}. |
| * <p> |
| * Concurrent message exchanges executed by this client will get assigned to |
| * separate connections leased from the connection pool. |
| * </p> |
| * |
| * @since 4.3 |
| */ |
| @Contract(threading = ThreadingBehavior.SAFE_CONDITIONAL) |
| @Internal |
| class InternalHttpClient extends CloseableHttpClient implements Configurable { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(InternalHttpClient.class); |
| |
| private final HttpClientConnectionManager connManager; |
| private final HttpRequestExecutor requestExecutor; |
| private final ExecChainElement execChain; |
| private final HttpRoutePlanner routePlanner; |
| private final Lookup<CookieSpecFactory> cookieSpecRegistry; |
| private final Lookup<AuthSchemeFactory> authSchemeRegistry; |
| private final CookieStore cookieStore; |
| private final CredentialsProvider credentialsProvider; |
| private final RequestConfig defaultConfig; |
| private final ConcurrentLinkedQueue<Closeable> closeables; |
| |
| public InternalHttpClient( |
| final HttpClientConnectionManager connManager, |
| final HttpRequestExecutor requestExecutor, |
| final ExecChainElement execChain, |
| final HttpRoutePlanner routePlanner, |
| final Lookup<CookieSpecFactory> cookieSpecRegistry, |
| final Lookup<AuthSchemeFactory> authSchemeRegistry, |
| final CookieStore cookieStore, |
| final CredentialsProvider credentialsProvider, |
| final RequestConfig defaultConfig, |
| final List<Closeable> closeables) { |
| super(); |
| this.connManager = Args.notNull(connManager, "Connection manager"); |
| this.requestExecutor = Args.notNull(requestExecutor, "Request executor"); |
| this.execChain = Args.notNull(execChain, "Execution chain"); |
| this.routePlanner = Args.notNull(routePlanner, "Route planner"); |
| this.cookieSpecRegistry = cookieSpecRegistry; |
| this.authSchemeRegistry = authSchemeRegistry; |
| this.cookieStore = cookieStore; |
| this.credentialsProvider = credentialsProvider; |
| this.defaultConfig = defaultConfig; |
| this.closeables = closeables != null ? new ConcurrentLinkedQueue<>(closeables) : null; |
| } |
| |
| private HttpRoute determineRoute( |
| final HttpHost host, |
| final HttpRequest request, |
| final HttpContext context) throws HttpException { |
| final HttpHost target = host != null ? host : RoutingSupport.determineHost(request); |
| return this.routePlanner.determineRoute(target, context); |
| } |
| |
| private void setupContext(final HttpClientContext context) { |
| 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 |
| protected CloseableHttpResponse doExecute( |
| final HttpHost target, |
| final ClassicHttpRequest request, |
| final HttpContext context) throws IOException { |
| Args.notNull(request, "HTTP request"); |
| try { |
| if (request.getScheme() == null && target != null) { |
| request.setScheme(target.getSchemeName()); |
| } |
| if (request.getAuthority() == null && target != null) { |
| request.setAuthority(new URIAuthority(target)); |
| } |
| final HttpClientContext localcontext = HttpClientContext.adapt( |
| context != null ? context : new BasicHttpContext()); |
| RequestConfig config = null; |
| if (request instanceof Configurable) { |
| config = ((Configurable) request).getConfig(); |
| } |
| if (config != null) { |
| localcontext.setRequestConfig(config); |
| } |
| setupContext(localcontext); |
| final HttpRoute route = determineRoute(target, request, localcontext); |
| final String exchangeId = ExecSupport.getNextExchangeId(); |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("{} preparing request execution", exchangeId); |
| } |
| |
| final ExecRuntime execRuntime = new InternalExecRuntime(LOG, connManager, requestExecutor, |
| request instanceof CancellableDependency ? (CancellableDependency) request : null); |
| final ExecChain.Scope scope = new ExecChain.Scope(exchangeId, route, request, execRuntime, localcontext); |
| final ClassicHttpResponse response = this.execChain.execute(ClassicRequestBuilder.copy(request).build(), scope); |
| return CloseableHttpResponse.adapt(response); |
| } catch (final HttpException httpException) { |
| throw new ClientProtocolException(httpException.getMessage(), httpException); |
| } |
| } |
| |
| @Override |
| public RequestConfig getConfig() { |
| return this.defaultConfig; |
| } |
| |
| @Override |
| public void close() { |
| close(CloseMode.GRACEFUL); |
| } |
| |
| @Override |
| public void close(final CloseMode closeMode) { |
| if (this.closeables != null) { |
| Closeable closeable; |
| while ((closeable = this.closeables.poll()) != null) { |
| try { |
| if (closeable instanceof ModalCloseable) { |
| ((ModalCloseable) closeable).close(closeMode); |
| } else { |
| closeable.close(); |
| } |
| } catch (final IOException ex) { |
| LOG.error(ex.getMessage(), ex); |
| } |
| } |
| } |
| } |
| |
| } |