Example usage for org.apache.http.impl.client DefaultHttpRequestRetryHandler DefaultHttpRequestRetryHandler

Introduction

In this page you can find the example usage for org.apache.http.impl.client DefaultHttpRequestRetryHandler DefaultHttpRequestRetryHandler.

Prototype

@SuppressWarnings("unchecked")
public DefaultHttpRequestRetryHandler(final int retryCount, final boolean requestSentRetryEnabled) 

Source Link

Document

Create the request retry handler using the following list of non-retriable IOException classes:

• InterruptedIOException
• UnknownHostException
• ConnectException
• SSLException

Usage

From source file:org.pixmob.appengine.client.AppEngineClient.java

/**
 * Set how many times a connection is retried in case of a network error.
 * @param retryCount positive integer//from ww  w .j  a  v  a  2s.  c  o m
 */
public void setRetryCount(int retryCount) {
    if (retryCount < 0) {
        throw new IllegalArgumentException("Invalid retry count: " + retryCount);
    }

    final HttpRequestRetryHandler retryHandler = new DefaultHttpRequestRetryHandler(retryCount, true);
    loginClient.setHttpRequestRetryHandler(retryHandler);
    if (delegateWasSet) {
        final DefaultHttpClient client = (DefaultHttpClient) delegate;
        client.setHttpRequestRetryHandler(retryHandler);
    }
}

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From source file:anhttpclient.impl.DefaultWebBrowser.java

/**
 * Makes default initialization of HttpMethodBase before any request
 * such as cookie policy, retrycount, timeout
 *
 * @param httpMethodBase {@link HttpRequestBase} for making default initialization
 *///from w w  w .j  av a 2 s  .  co m
private void setDefaultMethodParams(final HttpRequestBase httpMethodBase) {
    httpMethodBase.getParams().setBooleanParameter(CookieSpecPNames.SINGLE_COOKIE_HEADER, true);
    httpMethodBase.getParams().setParameter(ClientPNames.COOKIE_POLICY, CookiePolicy.BROWSER_COMPATIBILITY);

    // We use here DefaultHttpMethodRetryHandler with <b>true</b> parameter
    // because we suppose that if method was successfully sent its headers
    // it could also be retried
    if (AbstractHttpClient.class.isAssignableFrom(httpClient.getClass())) {
        ((AbstractHttpClient) httpClient)
                .setHttpRequestRetryHandler(new DefaultHttpRequestRetryHandler(retryCount, true));
    }
    httpClient.getParams().setIntParameter(CoreConnectionPNames.SO_TIMEOUT, socketTimeout);
}

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From source file:se.skltp.adapterservices.druglogistics.dosdispensing.RetryComponent.java

private HttpClient setupHttpClient() {

    HttpClientBuilder httpClientBuilder = HttpClients.custom()
            .setRetryHandler(new DefaultHttpRequestRetryHandler(0, false));
    if (endpointAddress.toLowerCase().startsWith("https")) {
        httpClientBuilder = httpClientBuilder.setConnectionManager(setupSSLConnectionManager());
    }/*ww  w . j  a  va  2  s .  c  o m*/

    HttpClient httpclient = httpClientBuilder.build();
    return httpclient;
}

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From source file:org.frontcache.FrontCacheEngine.java

private CloseableHttpClient newClient() {
    final RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(10000).setConnectTimeout(5500) // should be slightly more then hystrix timeout for http client
            .setCookieSpec(CookieSpecs.IGNORE_COOKIES).build();

    ConnectionKeepAliveStrategy keepAliveStrategy = new ConnectionKeepAliveStrategy() {
        @Override/*from   w w w  .  j  a  va 2 s.com*/
        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;
        }
    };

    return HttpClients.custom().setConnectionManager(newConnectionManager())
            .setDefaultRequestConfig(requestConfig)
            //            .setSSLHostnameVerifier(new NoopHostnameVerifier()) // for SSL do not verify certificate's host 
            .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();
}

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From source file:com.bt.download.android.core.HttpFetcher.java

private static HttpClient setupHttpClient(boolean gzip) {
    SSLSocketFactory.getSocketFactory().setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
    SchemeRegistry schemeRegistry = new SchemeRegistry();
    schemeRegistry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
    schemeRegistry.register(new Scheme("https", SSLSocketFactory.getSocketFactory(), 443));
    BasicHttpParams params = new BasicHttpParams();
    params.setParameter(ConnManagerPNames.MAX_CONNECTIONS_PER_ROUTE, new ConnPerRouteBean(20));
    params.setIntParameter(ConnManagerPNames.MAX_TOTAL_CONNECTIONS, 200);
    ThreadSafeClientConnManager cm = new ThreadSafeClientConnManager(params, schemeRegistry);

    DefaultHttpClient httpClient = new DefaultHttpClient(cm, new BasicHttpParams());
    httpClient.setHttpRequestRetryHandler(new DefaultHttpRequestRetryHandler(HTTP_RETRY_COUNT, true));

    if (gzip) {//from   www. j a  va  2 s.  c om
        httpClient.addRequestInterceptor(new HttpRequestInterceptor() {
            public void process(HttpRequest request, HttpContext context) throws HttpException, IOException {
                if (!request.containsHeader("Accept-Encoding")) {
                    request.addHeader("Accept-Encoding", "gzip");
                }
            }
        });

        httpClient.addResponseInterceptor(new HttpResponseInterceptor() {
            public void process(HttpResponse response, HttpContext context) throws HttpException, IOException {
                HttpEntity entity = response.getEntity();
                Header ceheader = entity.getContentEncoding();
                if (ceheader != null) {
                    HeaderElement[] codecs = ceheader.getElements();
                    for (int i = 0; i < codecs.length; i++) {
                        if (codecs[i].getName().equalsIgnoreCase("gzip")) {
                            response.setEntity(new GzipDecompressingEntity(response.getEntity()));
                            return;
                        }
                    }
                }
            }
        });
    }

    return httpClient;
}

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From source file:com.yahoo.validatar.execution.rest.JSON.java

/**
 * Creates a HttpClient to use for making requests.
 *
 * @param metadata The map containing the configuration for this client.
 * @return The created HttpClient object.
 *///from w ww  .java 2  s. com
private HttpClient createClient(Map<String, String> metadata) {
    int timeout = Integer.valueOf(metadata.getOrDefault(METADATA_TIMEOUT_KEY, String.valueOf(defaultTimeout)));
    int retries = Integer.valueOf(metadata.getOrDefault(METADATA_RETRY_KEY, String.valueOf(defaultRetries)));
    RequestConfig config = RequestConfig.custom().setConnectTimeout(timeout)
            .setConnectionRequestTimeout(timeout).setSocketTimeout(timeout).build();
    return HttpClientBuilder.create().setDefaultRequestConfig(config)
            .setRetryHandler(new DefaultHttpRequestRetryHandler(retries, false)).build();
}

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From source file:com.nesscomputing.httpclient.factory.httpclient4.ApacheHttpClient4Factory.java

private <T> T executeRequest(final HttpRequestBase httpRequest, final HttpClientRequest<T> httpClientRequest)
        throws IOException {
    final DefaultHttpClient httpClient = new DefaultHttpClient(connectionManager,
            setFollowRedirects(params, httpClientRequest));
    httpClient.getCookieSpecs().register(NessCookieSpecFactory.NESS_COOKIE_POLICY, new NessCookieSpecFactory());
    httpClient.setHttpRequestRetryHandler(new DefaultHttpRequestRetryHandler(retries, false));

    contributeCookies(httpClient, httpClientRequest);

    contributeParameters(httpClient, httpRequest, httpClientRequest);

    contributeHeaders(httpRequest, httpClientRequest);

    contributeVirtualHost(httpRequest, httpClientRequest);

    contributeAuthentication(httpClient, httpClientRequest);

    try {//  ww  w  .j  av a 2  s  . co m
        final HttpContext httpContext = new BasicHttpContext();
        final HttpResponse httpResponse = httpClient.execute(httpRequest, httpContext);

        final HttpClientResponseHandler<T> responseHandler = httpClientRequest.getHttpHandler();

        try {
            final HttpClientResponse internalResponse = new InternalResponse(httpRequest, httpResponse);
            HttpClientResponse response = internalResponse;

            if (CollectionUtils.isNotEmpty(httpClientObservers)) {
                LOG.trace("Executing Observers");
                for (HttpClientObserver observer : httpClientObservers) {
                    response = observer.onResponseReceived(response);
                }

                if (response != internalResponse) {
                    LOG.trace("Response was modified by Observers!");
                }
            }

            if (responseHandler != null) {
                LOG.trace("Executing Response Handler");
                return responseHandler.handle(response);
            } else {
                LOG.debug("No response handler found, discarding response.");
                return null;
            }
        } finally {
            // Make sure that the content has definitely been consumed. Otherwise,
            // keep-alive does not work.
            EntityUtils.consume(httpResponse.getEntity());
        }
    } catch (IOException ioe) {
        LOG.debug(ioe, "Aborting Request!");
        httpRequest.abort();
        throw ioe;
    } catch (RuntimeException re) {
        LOG.debug(re, "Aborting Request!");
        httpRequest.abort();
        throw re;
    }
}

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