Example usage for org.apache.http.conn ConnectionKeepAliveStrategy ConnectionKeepAliveStrategy

Introduction

In this page you can find the example usage for org.apache.http.conn ConnectionKeepAliveStrategy ConnectionKeepAliveStrategy.

Prototype

ConnectionKeepAliveStrategy

Source Link

Usage

From source file:org.aevans.goat.net.ConnectionUtils.java

public static ConnectionKeepAliveStrategy getConnectionKeepAliveStrategy(final int keepAlive) {
    return new ConnectionKeepAliveStrategy() {

        public long getKeepAliveDuration(HttpResponse response, HttpContext 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 && param.equalsIgnoreCase("timeout")) {
                    try {
                        return Long.parseLong(value) * 1000;
                    } catch (NumberFormatException ignore) {
                    }/*from  w  w w . j av a2  s . c  om*/
                }
            }

            return keepAlive * 1000;
        }

    };
}

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From source file:com.ninja.examples.utility.net.APIRequest.java

public static DefaultHttpClient getClient() {
    if (httpclient == null) {
        HttpParams params = new BasicHttpParams();
        HttpProtocolParams.setUseExpectContinue(params, false);
        HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
        HttpProtocolParams.setContentCharset(params, "utf-8");

        params.setBooleanParameter("http.protocol.expect-continue", false);

        HttpConnectionParams.setConnectionTimeout(params, WS_TIMEOUT);
        HttpConnectionParams.setSoTimeout(params, WS_TIMEOUT);

        SchemeRegistry registry = new SchemeRegistry();
        registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));

        ThreadSafeClientConnManager manager = new ThreadSafeClientConnManager(params, registry);

        httpclient = new DefaultHttpClient(manager, params);

        httpclient.setKeepAliveStrategy(new ConnectionKeepAliveStrategy() {
            public long getKeepAliveDuration(HttpResponse response, HttpContext context) {
                return 50;
            }/*from w  w  w.  j a va2s . c  om*/
        });

    }
    return httpclient;
}

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From source file:it.av.youeat.web.pubsubhubbub.Publisher.java

/**
 * Constructor// www  .  j  av a 2 s .c  o  m
 */
public Publisher() {
    HttpParams params = new BasicHttpParams();
    ConnManagerParams.setMaxTotalConnections(params, 200);
    ConnPerRouteBean connPerRoute = new ConnPerRouteBean(20);
    connPerRoute.setDefaultMaxPerRoute(50);
    ConnManagerParams.setMaxConnectionsPerRoute(params, connPerRoute);

    SchemeRegistry schemeRegistry = new SchemeRegistry();
    schemeRegistry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
    ClientConnectionManager cm = new ThreadSafeClientConnManager(params, schemeRegistry);
    httpClient = new DefaultHttpClient(cm, params);

    httpClient.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) {
                    }
                }
            }
            // default keepalive is 60 seconds. This is higher than usual
            // since the number of hubs it should be talking to should be
            // small
            return 30 * 1000;
        }
    });
}

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From source file:org.frontcache.agent.FrontCacheAgent.java

public FrontCacheAgent(String frontcacheURL) {
    final RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(10000).setConnectTimeout(3000)
            .setCookieSpec(CookieSpecs.IGNORE_COOKIES).build();

    ConnectionKeepAliveStrategy keepAliveStrategy = new ConnectionKeepAliveStrategy() {
        @Override/*from   ww  w.j  av  a  2  s.  c  o m*/
        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 10 * 1000;
        }
    };

    client = HttpClients.custom().setDefaultRequestConfig(requestConfig)
            .setRetryHandler(new DefaultHttpRequestRetryHandler(0, false))
            .setKeepAliveStrategy(keepAliveStrategy).setRedirectStrategy(new RedirectStrategy() {
                @Override
                public boolean isRedirected(HttpRequest request, HttpResponse response, HttpContext context)
                        throws ProtocolException {
                    return false;
                }

                @Override
                public HttpUriRequest getRedirect(HttpRequest request, HttpResponse response,
                        HttpContext context) throws ProtocolException {
                    return null;
                }
            }).build();

    this.frontCacheURL = frontcacheURL;

    if (frontcacheURL.endsWith("/"))
        this.frontCacheURI = frontcacheURL + IO_URI;
    else
        this.frontCacheURI = frontcacheURL + "/" + IO_URI;
}

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From source file:org.alfresco.cacheserver.http.CacheHttpClient.java

private CloseableHttpClient getHttpClient(HttpHost target, HttpClientContext localContext, String username,
        String password) {/*from w  w  w .  j  ava  2 s.  c  o  m*/
    ConnectionKeepAliveStrategy keepAliveStrategy = new ConnectionKeepAliveStrategy() {

        public long getKeepAliveDuration(HttpResponse response, HttpContext 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 && param.equalsIgnoreCase("timeout")) {
                    try {
                        return Long.parseLong(value) * 1000;
                    } catch (NumberFormatException ignore) {
                    }
                }
            }
            HttpHost target = (HttpHost) context.getAttribute(HttpClientContext.HTTP_TARGET_HOST);
            if ("www.naughty-server.com".equalsIgnoreCase(target.getHostName())) {
                // Keep alive for 5 seconds only
                return 5 * 1000;
            } else {
                // otherwise keep alive for 30 seconds
                return 30 * 1000;
            }
        }

    };

    HttpRequestRetryHandler retryHandler = new HttpRequestRetryHandler() {

        public boolean retryRequest(IOException exception, int executionCount, HttpContext context) {
            if (executionCount >= 5) {
                // Do not retry if over max retry count
                return false;
            }
            if (exception instanceof InterruptedIOException) {
                // Timeout
                return false;
            }
            if (exception instanceof UnknownHostException) {
                // Unknown host
                return false;
            }
            if (exception instanceof ConnectTimeoutException) {
                // Connection refused
                return false;
            }
            if (exception instanceof SSLException) {
                // SSL handshake exception
                return false;
            }
            HttpClientContext clientContext = HttpClientContext.adapt(context);
            HttpRequest request = clientContext.getRequest();
            boolean idempotent = !(request instanceof HttpEntityEnclosingRequest);
            if (idempotent) {
                // Retry if the request is considered idempotent
                return true;
            }
            return false;
        }
    };

    CredentialsProvider credsProvider = new BasicCredentialsProvider();
    credsProvider.setCredentials(new AuthScope(target.getHostName(), target.getPort()),
            new UsernamePasswordCredentials(username, password));
    RequestConfig defaultRequestConfig = RequestConfig.custom().setCookieSpec(CookieSpecs.DEFAULT)
            .setExpectContinueEnabled(true)
            //                .setStaleConnectionCheckEnabled(true)
            .setTargetPreferredAuthSchemes(Arrays.asList(AuthSchemes.BASIC))
            .setProxyPreferredAuthSchemes(Arrays.asList(AuthSchemes.BASIC)).build();
    CloseableHttpClient httpclient = HttpClients.custom().setDefaultRequestConfig(defaultRequestConfig)
            .setDefaultCredentialsProvider(credsProvider).setKeepAliveStrategy(keepAliveStrategy)
            .setRetryHandler(retryHandler).build();
    return httpclient;
}

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From source file:com.feedeo.web.client.AbstractWebClient.java

protected HttpClient createHttpClient() {

    final SocketConfig socketConfig = SocketConfig.custom().setSoKeepAlive(true).setTcpNoDelay(true).build();

    final ConnectionConfig connectionConfig = ConnectionConfig.custom().build();

    final RequestConfig requestConfig = RequestConfig.custom().setConnectionRequestTimeout(30000)
            .setConnectTimeout(30000).setSocketTimeout(30000).setStaleConnectionCheckEnabled(false).build();

    final PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager();
    connectionManager.setMaxTotal(256);/*  w  w  w  . j  av  a2s .  co  m*/
    connectionManager.setDefaultMaxPerRoute(256);

    IdleConnectionMonitorThread staleMonitor = new IdleConnectionMonitorThread(connectionManager);
    staleMonitor.start();

    try {
        staleMonitor.join(1000);
    } catch (InterruptedException ignored) {
    }

    final ConnectionKeepAliveStrategy connectionKeepAliveStrategy = new ConnectionKeepAliveStrategy() {
        @Override
        public long getKeepAliveDuration(HttpResponse response, HttpContext context) {
            HeaderElementIterator iterator = new BasicHeaderElementIterator(
                    response.headerIterator(CONN_KEEP_ALIVE));
            while (iterator.hasNext()) {
                HeaderElement header = iterator.nextElement();
                String param = header.getName();
                String value = header.getValue();
                if (value != null && param.equalsIgnoreCase("timeout")) {
                    return Long.parseLong(value) * 1000;
                }
            }
            return 5 * 1000;
        }
    };

    return HttpClientBuilder.create().setConnectionManager(connectionManager)
            .setDefaultRequestConfig(requestConfig).setDefaultSocketConfig(socketConfig)
            .setDefaultConnectionConfig(connectionConfig).setKeepAliveStrategy(connectionKeepAliveStrategy)
            .build();
}

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From source file:mx.bigdata.utils.pubsubhubbub.Subscriber.java

public Subscriber(CallbackServer webserver) {
    this.webserver = webserver;
    SchemeRegistry schemeRegistry = new SchemeRegistry();
    schemeRegistry.register(new Scheme("http", 80, PlainSocketFactory.getSocketFactory()));
    schemeRegistry.register(new Scheme("https", 443, SSLSocketFactory.getSocketFactory()));
    //ConnManagerParams.setMaxTotalConnections(params, 200);
    //ConnPerRouteBean connPerRoute = new ConnPerRouteBean(20);
    //connPerRoute.setDefaultMaxPerRoute(50);
    //ConnManagerParams.setMaxConnectionsPerRoute(params, connPerRoute);
    ThreadSafeClientConnManager cm = new ThreadSafeClientConnManager(schemeRegistry);
    cm.setMaxTotal(200);/*from  w  w  w .  j ava  2 s. c  o  m*/
    cm.setDefaultMaxPerRoute(50);
    httpClient = new DefaultHttpClient(cm, new BasicHttpParams());
    httpClient.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 30 * 1000;
        }
    });
}

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From source file:eu.alefzero.owncloud.syncadapter.AbstractOwnCloudSyncAdapter.java

protected ConnectionKeepAliveStrategy getKeepAliveStrategy() {
    return new ConnectionKeepAliveStrategy() {
        public long getKeepAliveDuration(HttpResponse response, HttpContext context) {
            // Change keep alive straategy basing on response: ie
            // forbidden/not found/etc
            // should have keep alive 0
            // default return: 5s
            int statusCode = response.getStatusLine().getStatusCode();

            // HTTP 400, 500 Errors as well as HTTP 118 - Connection timed
            // out
            if ((statusCode >= 400 && statusCode <= 418) || (statusCode >= 421 && statusCode <= 426)
                    || (statusCode >= 500 && statusCode <= 510) || statusCode == 118) {
                return 0;
            }/*w w  w .ja va 2s .c o  m*/

            return 5 * 1000;
        }
    };
}

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From source file:org.frontcache.client.FrontCacheClient.java

private FrontCacheClient(String frontcacheURL) {
    final RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(CONNECTION_TIMEOUT)
            .setConnectTimeout(CONNECTION_TIMEOUT).setCookieSpec(CookieSpecs.IGNORE_COOKIES).build();

    ConnectionKeepAliveStrategy keepAliveStrategy = new ConnectionKeepAliveStrategy() {
        @Override//from   www. ja v a2s  .c  o  m
        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 10 * 1000;
        }
    };

    client = HttpClients.custom().setDefaultRequestConfig(requestConfig)
            .setRetryHandler(new DefaultHttpRequestRetryHandler(0, false))
            .setKeepAliveStrategy(keepAliveStrategy).setRedirectStrategy(new RedirectStrategy() {
                @Override
                public boolean isRedirected(HttpRequest request, HttpResponse response, HttpContext context)
                        throws ProtocolException {
                    return false;
                }

                @Override
                public HttpUriRequest getRedirect(HttpRequest request, HttpResponse response,
                        HttpContext context) throws ProtocolException {
                    return null;
                }
            }).build();

    this.frontCacheURL = frontcacheURL;

    if (frontcacheURL.endsWith("/"))
        this.frontCacheURI = frontcacheURL + IO_URI;
    else
        this.frontCacheURI = frontcacheURL + "/" + IO_URI;
}

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From source file:ingest.Application.java

@Bean
public RestTemplate restTemplate() {
    RestTemplate restTemplate = new RestTemplate();
    HttpClient httpClient = HttpClientBuilder.create().setMaxConnTotal(httpMaxTotal)
            .setMaxConnPerRoute(httpMaxRoute).setKeepAliveStrategy(new ConnectionKeepAliveStrategy() {
                @Override//from  w  ww  .  j a v  a 2s . c  o m
                public long getKeepAliveDuration(HttpResponse response, HttpContext context) {
                    HeaderElementIterator it = new BasicHeaderElementIterator(
                            response.headerIterator(HTTP.CONN_KEEP_ALIVE));
                    while (it.hasNext()) {
                        HeaderElement headerElement = it.nextElement();
                        String param = headerElement.getName();
                        String value = headerElement.getValue();
                        if (value != null && param.equalsIgnoreCase("timeout")) {
                            return Long.parseLong(value) * 1000;
                        }
                    }
                    return (long) 5 * 1000;
                }
            }).build();
    restTemplate.setRequestFactory(new HttpComponentsClientHttpRequestFactory(httpClient));
    return restTemplate;
}

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