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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.client;
import java.io.Closeable;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.TimeUnit;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.http.HttpException;
import org.apache.http.HttpHost;
import org.apache.http.HttpRequest;
import org.apache.http.annotation.ThreadSafe;
import org.apache.http.auth.AuthSchemeProvider;
import org.apache.http.auth.AuthState;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.CookieStore;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.Configurable;
import org.apache.http.client.methods.HttpExecutionAware;
import org.apache.http.client.methods.HttpRequestWrapper;
import org.apache.http.client.params.ClientPNames;
import org.apache.http.client.params.HttpClientParamConfig;
import org.apache.http.client.protocol.HttpClientContext;
import org.apache.http.config.Lookup;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.ClientConnectionRequest;
import org.apache.http.conn.HttpClientConnectionManager;
import org.apache.http.conn.ManagedClientConnection;
import org.apache.http.conn.routing.HttpRoute;
import org.apache.http.conn.routing.HttpRoutePlanner;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.cookie.CookieSpecProvider;
import org.apache.http.impl.execchain.ClientExecChain;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpParamsNames;
import org.apache.http.protocol.BasicHttpContext;
import org.apache.http.protocol.HttpContext;
import org.apache.http.util.Args;
/**
* Internal class.
*
* @since 4.3
*/
@ThreadSafe
@SuppressWarnings("deprecation")
class InternalHttpClient extends CloseableHttpClient implements Configurable {
private final Log log = LogFactory.getLog(getClass());
private final ClientExecChain execChain;
private final HttpClientConnectionManager connManager;
private final HttpRoutePlanner routePlanner;
private final Lookup cookieSpecRegistry;
private final Lookup authSchemeRegistry;
private final CookieStore cookieStore;
private final CredentialsProvider credentialsProvider;
private final RequestConfig defaultConfig;
private final List closeables;
public InternalHttpClient(
final ClientExecChain execChain,
final HttpClientConnectionManager connManager,
final HttpRoutePlanner routePlanner,
final Lookup cookieSpecRegistry,
final Lookup authSchemeRegistry,
final CookieStore cookieStore,
final CredentialsProvider credentialsProvider,
final RequestConfig defaultConfig,
final List closeables) {
super();
Args.notNull(execChain, "HTTP client exec chain");
Args.notNull(connManager, "HTTP connection manager");
Args.notNull(routePlanner, "HTTP route planner");
this.execChain = execChain;
this.connManager = connManager;
this.routePlanner = routePlanner;
this.cookieSpecRegistry = cookieSpecRegistry;
this.authSchemeRegistry = authSchemeRegistry;
this.cookieStore = cookieStore;
this.credentialsProvider = credentialsProvider;
this.defaultConfig = defaultConfig;
this.closeables = closeables;
}
private HttpRoute determineRoute(
final HttpHost target,
final HttpRequest request,
final HttpContext context) throws HttpException {
HttpHost host = target;
if (host == null) {
host = (HttpHost) request.getParams().getParameter(ClientPNames.DEFAULT_HOST);
}
return this.routePlanner.determineRoute(host, request, context);
}
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
protected CloseableHttpResponse doExecute(
final HttpHost target,
final HttpRequest request,
final HttpContext context) throws IOException, ClientProtocolException {
Args.notNull(request, "HTTP request");
HttpExecutionAware execAware = null;
if (request instanceof HttpExecutionAware) {
execAware = (HttpExecutionAware) request;
}
try {
final HttpRequestWrapper wrapper = HttpRequestWrapper.wrap(request, 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) {
final HttpParams params = request.getParams();
if (params instanceof HttpParamsNames) {
if (!((HttpParamsNames) params).getNames().isEmpty()) {
config = HttpClientParamConfig.getRequestConfig(params);
}
} else {
config = HttpClientParamConfig.getRequestConfig(params);
}
}
if (config != null) {
localcontext.setRequestConfig(config);
}
setupContext(localcontext);
final HttpRoute route = determineRoute(target, wrapper, localcontext);
return this.execChain.execute(route, wrapper, localcontext, execAware);
} catch (final HttpException httpException) {
throw new ClientProtocolException(httpException);
}
}
@Override
public RequestConfig getConfig() {
return this.defaultConfig;
}
@Override
public void close() {
if (this.closeables != null) {
for (final Closeable closeable: this.closeables) {
try {
closeable.close();
} catch (final IOException ex) {
this.log.error(ex.getMessage(), ex);
}
}
}
}
@Override
public HttpParams getParams() {
throw new UnsupportedOperationException();
}
@Override
public ClientConnectionManager getConnectionManager() {
return new ClientConnectionManager() {
@Override
public void shutdown() {
connManager.shutdown();
}
@Override
public ClientConnectionRequest requestConnection(
final HttpRoute route, final Object state) {
throw new UnsupportedOperationException();
}
@Override
public void releaseConnection(
final ManagedClientConnection conn,
final long validDuration, final TimeUnit timeUnit) {
throw new UnsupportedOperationException();
}
@Override
public SchemeRegistry getSchemeRegistry() {
throw new UnsupportedOperationException();
}
@Override
public void closeIdleConnections(final long idletime, final TimeUnit tunit) {
connManager.closeIdleConnections(idletime, tunit);
}
@Override
public void closeExpiredConnections() {
connManager.closeExpiredConnections();
}
};
}
}
