Java ConnectionKeepAliveStrategy类代码示例

import org.apache.http.conn.ConnectionKeepAliveStrategy; //导入依赖的package包/类
@Deprecated
public DefaultRequestDirector(
        final HttpRequestExecutor requestExec,
        final ClientConnectionManager conman,
        final ConnectionReuseStrategy reustrat,
        final ConnectionKeepAliveStrategy kastrat,
        final HttpRoutePlanner rouplan,
        final HttpProcessor httpProcessor,
        final HttpRequestRetryHandler retryHandler,
        final RedirectHandler redirectHandler,
        final AuthenticationHandler targetAuthHandler,
        final AuthenticationHandler proxyAuthHandler,
        final UserTokenHandler userTokenHandler,
        final HttpParams params) {
    this(LogFactory.getLog(DefaultRequestDirector.class),
            requestExec, conman, reustrat, kastrat, rouplan, httpProcessor, retryHandler,
            new DefaultRedirectStrategyAdaptor(redirectHandler),
            new AuthenticationStrategyAdaptor(targetAuthHandler),
            new AuthenticationStrategyAdaptor(proxyAuthHandler),
            userTokenHandler,
            params);
}
 

import org.apache.http.conn.ConnectionKeepAliveStrategy; //导入依赖的package包/类
public MinimalClientExec(
        final HttpRequestExecutor requestExecutor,
        final HttpClientConnectionManager connManager,
        final ConnectionReuseStrategy reuseStrategy,
        final ConnectionKeepAliveStrategy keepAliveStrategy) {
    Args.notNull(requestExecutor, "HTTP request executor");
    Args.notNull(connManager, "Client connection manager");
    Args.notNull(reuseStrategy, "Connection reuse strategy");
    Args.notNull(keepAliveStrategy, "Connection keep alive strategy");
    this.httpProcessor = new ImmutableHttpProcessor(
            new RequestContentHC4(),
            new RequestTargetHostHC4(),
            new RequestClientConnControl(),
            new RequestUserAgentHC4(VersionInfoHC4.getUserAgent(
                    "Apache-HttpClient", "org.apache.http.client", getClass())));
    this.requestExecutor    = requestExecutor;
    this.connManager        = connManager;
    this.reuseStrategy      = reuseStrategy;
    this.keepAliveStrategy  = keepAliveStrategy;
}
 

import org.apache.http.conn.ConnectionKeepAliveStrategy; //导入依赖的package包/类
public MinimalClientExec(
        final HttpRequestExecutor requestExecutor,
        final HttpClientConnectionManager connManager,
        final ConnectionReuseStrategy reuseStrategy,
        final ConnectionKeepAliveStrategy keepAliveStrategy) {
    Args.notNull(requestExecutor, "HTTP request executor");
    Args.notNull(connManager, "Client connection manager");
    Args.notNull(reuseStrategy, "Connection reuse strategy");
    Args.notNull(keepAliveStrategy, "Connection keep alive strategy");
    this.httpProcessor = new ImmutableHttpProcessor(
            new RequestContent(),
            new RequestTargetHost(),
            new RequestClientConnControl(),
            new RequestUserAgent(VersionInfo.getUserAgent(
                    "Apache-HttpClient", "org.apache.http.client", getClass())));
    this.requestExecutor    = requestExecutor;
    this.connManager        = connManager;
    this.reuseStrategy      = reuseStrategy;
    this.keepAliveStrategy  = keepAliveStrategy;
}
 

import org.apache.http.conn.ConnectionKeepAliveStrategy; //导入依赖的package包/类
/**
 * Produces an instance of {@link ClientExecChain} to be used as a main exec.
 * <p>
 * Default implementation produces an instance of {@link MainClientExec}
 * </p>
 * <p>
 * For internal use.
 * </p>
 *
 * @since 4.4
 */
protected ClientExecChain createMainExec(
        final HttpRequestExecutor requestExec,
        final HttpClientConnectionManager connManager,
        final ConnectionReuseStrategy reuseStrategy,
        final ConnectionKeepAliveStrategy keepAliveStrategy,
        final HttpProcessor proxyHttpProcessor,
        final AuthenticationStrategy targetAuthStrategy,
        final AuthenticationStrategy proxyAuthStrategy,
        final UserTokenHandler userTokenHandler)
{
    return new MainClientExec(
            requestExec,
            connManager,
            reuseStrategy,
            keepAliveStrategy,
            proxyHttpProcessor,
            targetAuthStrategy,
            proxyAuthStrategy,
            userTokenHandler);
}
 

import org.apache.http.conn.ConnectionKeepAliveStrategy; //导入依赖的package包/类
private ConnectionKeepAliveStrategy getStrategy() {
    return new ConnectionKeepAliveStrategy() {
        @Override
        public long getKeepAliveDuration(HttpResponse response, HttpContext context) {
            HeaderElementIterator it = new BasicHeaderElementIterator
                    (response.headerIterator(HTTP.CONN_KEEP_ALIVE));
            while (it.hasNext()) {
                HeaderElement he = it.nextElement();
                String param = he.getName();
                String value = he.getValue();
                if (value != null && param.equalsIgnoreCase
                        ("timeout")) {
                    return Long.parseLong(value) * 1000;
                }
            }
            return 5 * 1000;
        }
    };
}
 

import org.apache.http.conn.ConnectionKeepAliveStrategy; //导入依赖的package包/类
/**
 * @return The connection keep alive strategy.
 */
private ConnectionKeepAliveStrategy getKeepAliveStrategy() {

    return (response, context) -> {
        // Honor 'keep-alive' header
        HeaderElementIterator it = new BasicHeaderElementIterator(response.headerIterator(HTTP.CONN_KEEP_ALIVE));
        while (it.hasNext()) {
            HeaderElement he = it.nextElement();
            String param = he.getName();
            String value = he.getValue();
            if (value != null && "timeout".equalsIgnoreCase(param)) {
                try {
                    return Long.parseLong(value) * 1000;
                } catch(NumberFormatException ignore) {
                    // let's move on the next header value
                    break;
                }
            }
        }
        // otherwise use the default value
        return defaultKeepAlive * 1000;
    };
}
 

import org.apache.http.conn.ConnectionKeepAliveStrategy; //导入依赖的package包/类
/** This method mainly exists to make the wrapper more testable. oh, apache's insanity. */
protected RequestDirector getRequestDirector(HttpRequestExecutor requestExec,
                                             ClientConnectionManager conman,
                                             ConnectionReuseStrategy reustrat,
                                             ConnectionKeepAliveStrategy kastrat,
                                             HttpRoutePlanner rouplan,
                                             HttpProcessor httpProcessor,
                                             HttpRequestRetryHandler retryHandler,
                                             RedirectHandler redirectHandler,
                                             AuthenticationHandler targetAuthHandler,
                                             AuthenticationHandler proxyAuthHandler,
                                             UserTokenHandler stateHandler,
                                             HttpParams params
) {
    return new DefaultRequestDirector(requestExec, conman, reustrat, kastrat, rouplan,
            httpProcessor, retryHandler, redirectHandler, targetAuthHandler, proxyAuthHandler,
            stateHandler, params);
}
 

import org.apache.http.conn.ConnectionKeepAliveStrategy; //导入依赖的package包/类
/** This method mainly exists to make the wrapper more testable. oh, apache's insanity. */
protected RequestDirector getRequestDirector(HttpRequestExecutor requestExec,
                                             ClientConnectionManager conman,
                                             ConnectionReuseStrategy reustrat,
                                             ConnectionKeepAliveStrategy kastrat,
                                             HttpRoutePlanner rouplan,
                                             HttpProcessor httpProcessor,
                                             HttpRequestRetryHandler retryHandler,
                                             RedirectHandler redirectHandler,
                                             AuthenticationHandler targetAuthHandler,
                                             AuthenticationHandler proxyAuthHandler,
                                             UserTokenHandler stateHandler,
                                             HttpParams params
) {
	return new DefaultRequestDirector(requestExec, conman, reustrat, kastrat, rouplan,
			httpProcessor, retryHandler, redirectHandler, targetAuthHandler, proxyAuthHandler,
			stateHandler, params);
}
 

import org.apache.http.conn.ConnectionKeepAliveStrategy; //导入依赖的package包/类
private ConnectionKeepAliveStrategy getKeepAliveStrategy(final long defaultVal) {
    return new ConnectionKeepAliveStrategy() {
        @Override
        public long getKeepAliveDuration(HttpResponse response, HttpContext context) {
            HeaderElementIterator it = new BasicHeaderElementIterator(response.headerIterator(HTTP.CONN_KEEP_ALIVE));
            while (it.hasNext()) {
                HeaderElement he = it.nextElement();
                String param = he.getName();
                String value = he.getValue();
                if (value != null && param.equalsIgnoreCase("timeout")) {
                    return Long.parseLong(value) * 1000;
                }
            }
            return defaultVal;
        }
    };
}
 

import org.apache.http.conn.ConnectionKeepAliveStrategy; //导入依赖的package包/类
public HttpClient getHttpClient() {
	if (httpClient == null) {
		synchronized (this) {
			if (httpClient == null) {
				if (pool == null) { //初始化pool
					try {
						afterPropertiesSet();
					} catch (Exception e) {
						logger.error(e.getMessage(), e);
					}
				}

				HttpClientBuilder httpClientBuilder = HttpClients.custom();
				httpClientBuilder.setConnectionManager(pool);
				httpClientBuilder.setDefaultRequestConfig(RequestConfig.custom().setConnectTimeout(conntimeout).setSocketTimeout(sotimeout).build());
				httpClientBuilder.setKeepAliveStrategy(new ConnectionKeepAliveStrategy() {
					public long getKeepAliveDuration(HttpResponse response, HttpContext context) {
						HeaderElementIterator it = new BasicHeaderElementIterator(response.headerIterator(HTTP.CONN_KEEP_ALIVE));
						while (it.hasNext()) {
							HeaderElement he = it.nextElement();
							String param = he.getName();
							String value = he.getValue();
							if (value != null && param.equalsIgnoreCase("timeout")) {
								try {
									return Long.parseLong(value) * 1000;
								} catch (NumberFormatException ignore) {
								}
							}
						}
						// 否则保持活动5秒
						return 5 * 1000;
					}
				});
				httpClient = httpClientBuilder.build();
			}
		}
	}
	return httpClient;
}
 

import org.apache.http.conn.ConnectionKeepAliveStrategy; //导入依赖的package包/类
/**
 * @deprecated (4.1) do not use
 */
@Deprecated
protected RequestDirector createClientRequestDirector(
        final HttpRequestExecutor requestExec,
        final ClientConnectionManager conman,
        final ConnectionReuseStrategy reustrat,
        final ConnectionKeepAliveStrategy kastrat,
        final HttpRoutePlanner rouplan,
        final HttpProcessor httpProcessor,
        final HttpRequestRetryHandler retryHandler,
        final RedirectHandler redirectHandler,
        final AuthenticationHandler targetAuthHandler,
        final AuthenticationHandler proxyAuthHandler,
        final UserTokenHandler userTokenHandler,
        final HttpParams params) {
    return new DefaultRequestDirector(
            requestExec,
            conman,
            reustrat,
            kastrat,
            rouplan,
            httpProcessor,
            retryHandler,
            redirectHandler,
            targetAuthHandler,
            proxyAuthHandler,
            userTokenHandler,
            params);
}
 

import org.apache.http.conn.ConnectionKeepAliveStrategy; //导入依赖的package包/类
@SuppressWarnings("deprecation")
public SafeHttpClient() {

    HttpParams httpParams = new BasicHttpParams();
    httpParams.setParameter(ClientPNames.CONNECTION_MANAGER_FACTORY_CLASS_NAME, factoryClassName);
    // 设置最大连接数
    ConnManagerParams.setMaxTotalConnections(httpParams, maxTotalConnections);
    // 设置获取连接的最大等待时间
    ConnManagerParams.setTimeout(httpParams, waitTimeout);
    // 设置每个路由最大连接数
    ConnPerRouteBean connPerRoute = new ConnPerRouteBean(maxRouteConnections);
    ConnManagerParams.setMaxConnectionsPerRoute(httpParams, connPerRoute);
    // 设置连接超时时间
    HttpConnectionParams.setConnectionTimeout(httpParams, connectTimeout);
    // 设置读取超时时间
    HttpConnectionParams.setSoTimeout(httpParams, readTimeout);
    HttpProtocolParams.setVersion(httpParams, HttpVersion.HTTP_1_1);
    this.setParams(httpParams);
    this.setKeepAliveStrategy(new ConnectionKeepAliveStrategy() {
        public long getKeepAliveDuration(HttpResponse response, HttpContext context) {
            HeaderElementIterator it =
                    new BasicHeaderElementIterator(response.headerIterator(HTTP.CONN_KEEP_ALIVE));
            while (it.hasNext()) {
                HeaderElement he = it.nextElement();
                String param = he.getName();
                String value = he.getValue();
                if (value != null && param.equalsIgnoreCase("timeout")) {
                    try {
                        return Long.parseLong(value) * 1000;
                    } catch (NumberFormatException ignore) {
                    }
                }
            }
            return 5 * 1000;
        }
    });
    this.getConnectionManager();
}
 

import org.apache.http.conn.ConnectionKeepAliveStrategy; //导入依赖的package包/类
/**
 * Retrieve a keep alive strategy.
 * This will use the value of readTimeout.
 * @return strategy.
 */
protected ConnectionKeepAliveStrategy createConnectionKeepAliveStrategy()
{
  return new ConnectionKeepAliveStrategy() {
    @Override
    public long getKeepAliveDuration( HttpResponse hr, HttpContext hc ) {
      return readTimeout;
    }};
}
 

import org.apache.http.conn.ConnectionKeepAliveStrategy; //导入依赖的package包/类
public MainClientExec(
        final HttpRequestExecutor requestExecutor,
        final HttpClientConnectionManager connManager,
        final ConnectionReuseStrategy reuseStrategy,
        final ConnectionKeepAliveStrategy keepAliveStrategy,
        final AuthenticationStrategy targetAuthStrategy,
        final AuthenticationStrategy proxyAuthStrategy,
        final UserTokenHandler userTokenHandler) {
    Args.notNull(requestExecutor, "HTTP request executor");
    Args.notNull(connManager, "Client connection manager");
    Args.notNull(reuseStrategy, "Connection reuse strategy");
    Args.notNull(keepAliveStrategy, "Connection keep alive strategy");
    Args.notNull(targetAuthStrategy, "Target authentication strategy");
    Args.notNull(proxyAuthStrategy, "Proxy authentication strategy");
    Args.notNull(userTokenHandler, "User token handler");
    this.authenticator      = new HttpAuthenticator();
    this.proxyHttpProcessor = new ImmutableHttpProcessor(
            new RequestTargetHostHC4(), new RequestClientConnControl());
    this.routeDirector      = new BasicRouteDirector();
    this.requestExecutor    = requestExecutor;
    this.connManager        = connManager;
    this.reuseStrategy      = reuseStrategy;
    this.keepAliveStrategy  = keepAliveStrategy;
    this.targetAuthStrategy = targetAuthStrategy;
    this.proxyAuthStrategy  = proxyAuthStrategy;
    this.userTokenHandler   = userTokenHandler;
}
 

import org.apache.http.conn.ConnectionKeepAliveStrategy; //导入依赖的package包/类
/**
 * @since 4.4
 */
public MainClientExec(
        final HttpRequestExecutor requestExecutor,
        final HttpClientConnectionManager connManager,
        final ConnectionReuseStrategy reuseStrategy,
        final ConnectionKeepAliveStrategy keepAliveStrategy,
        final HttpProcessor proxyHttpProcessor,
        final AuthenticationStrategy targetAuthStrategy,
        final AuthenticationStrategy proxyAuthStrategy,
        final UserTokenHandler userTokenHandler) {
    Args.notNull(requestExecutor, "HTTP request executor");
    Args.notNull(connManager, "Client connection manager");
    Args.notNull(reuseStrategy, "Connection reuse strategy");
    Args.notNull(keepAliveStrategy, "Connection keep alive strategy");
    Args.notNull(proxyHttpProcessor, "Proxy HTTP processor");
    Args.notNull(targetAuthStrategy, "Target authentication strategy");
    Args.notNull(proxyAuthStrategy, "Proxy authentication strategy");
    Args.notNull(userTokenHandler, "User token handler");
    this.authenticator      = new HttpAuthenticator();
    this.routeDirector      = new BasicRouteDirector();
    this.requestExecutor    = requestExecutor;
    this.connManager        = connManager;
    this.reuseStrategy      = reuseStrategy;
    this.keepAliveStrategy  = keepAliveStrategy;
    this.proxyHttpProcessor = proxyHttpProcessor;
    this.targetAuthStrategy = targetAuthStrategy;
    this.proxyAuthStrategy  = proxyAuthStrategy;
    this.userTokenHandler   = userTokenHandler;
}