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

Introduction

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

Prototype

public SystemDefaultHttpClient() 

Source Link

Usage

From source file:org.wso2.carbon.event.output.adaptor.http.HTTPEventAdaptor.java

private void checkHTTPClientInit(OutputEventAdaptorMessageConfiguration outputEventMessageConfiguration) {
    if (this.httpClient != null) {
        return;/*from w w  w .j  a  va2  s. c  o  m*/
    }
    synchronized (HTTPEventAdaptor.class) {
        if (this.httpClient != null) {
            return;
        }
        /* this needs to be created as late as possible, for the SSL truststore properties 
         * to be set by Carbon in Java system properties */
        this.httpClient = new SystemDefaultHttpClient();
        Map<String, String> props = outputEventMessageConfiguration.getOutputMessageProperties();
        String proxyHost = props.get(HTTPEventAdaptorConstants.ADAPTER_PROXY_HOST);
        String proxyPort = props.get(HTTPEventAdaptorConstants.ADAPTER_PROXY_PORT);
        if (proxyHost != null && proxyHost.trim().length() > 0) {
            try {
                HttpHost host = new HttpHost(proxyHost, Integer.parseInt(proxyPort));
                this.httpClient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, host);
            } catch (NumberFormatException e) {
                log.error("Invalid proxy port: " + proxyPort + ", "
                        + "ignoring proxy settings for HTTP output event adaptor...");
            }
        }
    }
}

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From source file:org.graphity.core.util.jena.HttpOp.java

/** Create an HttpClient that performs connection pooling.  This can be used
 * with {@link #setDefaultHttpClient} or provided in the HttpOp calls.
 *//*from  w  ww . j  a  v a2 s  .  c  o  m*/
public static HttpClient createCachingHttpClient() {
    return new SystemDefaultHttpClient() {
        /** See SystemDefaultHttpClient (4.2).  This version always sets the connection cache */
        @Override
        protected ClientConnectionManager createClientConnectionManager() {
            PoolingClientConnectionManager connmgr = new PoolingClientConnectionManager(
                    SchemeRegistryFactory.createSystemDefault());
            String s = System.getProperty("http.maxConnections", "5");
            int max = Integer.parseInt(s);
            connmgr.setDefaultMaxPerRoute(max);
            connmgr.setMaxTotal(2 * max);
            return connmgr;
        }
    };
}

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From source file:com.hortonworks.registries.auth.client.AuthenticatorTestCase.java

private SystemDefaultHttpClient getHttpClient() {
    final SystemDefaultHttpClient httpClient = new SystemDefaultHttpClient();
    httpClient.getAuthSchemes().register(AuthPolicy.SPNEGO, new SPNegoSchemeFactory(true));
    Credentials use_jaas_creds = new Credentials() {
        public String getPassword() {
            return null;
        }/*from   ww  w.  j a  v a2  s .  c om*/

        public Principal getUserPrincipal() {
            return null;
        }
    };

    httpClient.getCredentialsProvider().setCredentials(AuthScope.ANY, use_jaas_creds);
    return httpClient;
}

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From source file:org.graphity.core.util.jena.HttpQuery.java

private InputStream execGet() throws QueryExceptionHTTP {
    URL target = null;//from w  w w.ja  v  a 2  s .  c  o  m
    String qs = getQueryString();

    ARQ.getHttpRequestLogger().trace(qs);

    try {
        if (count() == 0)
            target = new URL(serviceURL);
        else
            target = new URL(serviceURL + (serviceParams ? "&" : "?") + qs);
    } catch (MalformedURLException malEx) {
        throw new QueryExceptionHTTP(0, "Malformed URL: " + malEx);
    }
    log.trace("GET " + target.toExternalForm());

    try {
        try {
            this.client = new SystemDefaultHttpClient();

            // Always apply a 10 second timeout to obtaining a connection lease from HTTP Client
            // This prevents a potential lock up
            this.client.getParams().setLongParameter(ConnManagerPNames.TIMEOUT, TimeUnit.SECONDS.toMillis(10));

            // If user has specified time outs apply them now
            if (this.connectTimeout > 0)
                this.client.getParams().setIntParameter(CoreConnectionPNames.CONNECTION_TIMEOUT,
                        this.connectTimeout);
            if (this.readTimeout > 0)
                this.client.getParams().setIntParameter(CoreConnectionPNames.SO_TIMEOUT, this.readTimeout);

            // Enable compression support appropriately
            HttpContext context = new BasicHttpContext();
            if (allowGZip || allowDeflate) {
                // Apply auth early as the decompressing client we're about
                // to add will block this being applied later
                HttpOp.applyAuthentication((AbstractHttpClient) client, serviceURL, context, authenticator);
                client = new DecompressingHttpClient(client);
            }

            // Get the actual response stream
            TypedInputStream stream = HttpOp.execHttpGet(target.toString(), contentTypeResult, client, context,
                    this.authenticator);
            if (stream == null)
                throw new QueryExceptionHTTP(404);
            return execCommon(stream);
        } catch (HttpException httpEx) {
            // Back-off and try POST if something complain about long URIs
            if (httpEx.getResponseCode() == 414)
                return execPost();
            throw httpEx;
        }
    } catch (HttpException httpEx) {
        // Unwrap and re-wrap the HTTP exception
        responseCode = httpEx.getResponseCode();
        throw new QueryExceptionHTTP(responseCode, "Error making the query, see cause for details",
                httpEx.getCause());
    }
}

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From source file:org.graphity.core.util.jena.HttpQuery.java

private InputStream execPost() throws QueryExceptionHTTP {
    URL target = null;//  w w  w  .  j  a va  2 s.  co  m
    try {
        target = new URL(serviceURL);
    } catch (MalformedURLException malEx) {
        throw new QueryExceptionHTTP(0, "Malformed URL: " + malEx);
    }
    log.trace("POST " + target.toExternalForm());

    ARQ.getHttpRequestLogger().trace(target.toExternalForm());

    try {
        this.client = new SystemDefaultHttpClient();

        // Always apply a 10 second timeout to obtaining a connection lease from HTTP Client
        // This prevents a potential lock up
        this.client.getParams().setLongParameter(ConnManagerPNames.TIMEOUT, TimeUnit.SECONDS.toMillis(10));

        // If user has specified time outs apply them now
        if (this.connectTimeout > 0)
            this.client.getParams().setIntParameter(CoreConnectionPNames.CONNECTION_TIMEOUT,
                    this.connectTimeout);
        if (this.readTimeout > 0)
            this.client.getParams().setIntParameter(CoreConnectionPNames.SO_TIMEOUT, this.readTimeout);

        // Enable compression support appropriately
        HttpContext context = new BasicHttpContext();
        if (allowGZip || allowDeflate) {
            // Apply auth early as the decompressing client we're about
            // to add will block this being applied later
            HttpOp.applyAuthentication((AbstractHttpClient) client, serviceURL, context, authenticator);
            this.client = new DecompressingHttpClient(client);
        }

        // Get the actual response stream
        TypedInputStream stream = HttpOp.execHttpPostFormStream(serviceURL, this, contentTypeResult, client,
                context, authenticator);
        if (stream == null)
            throw new QueryExceptionHTTP(404);
        return execCommon(stream);
    } catch (HttpException httpEx) {
        // Unwrap and re-wrap the HTTP Exception
        responseCode = httpEx.getResponseCode();
        throw new QueryExceptionHTTP(responseCode, "Error making the query, see cause for details",
                httpEx.getCause());
    }
}

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From source file:org.apache.jena.sparql.engine.http.HttpQuery.java

private void selectClient() {
    // May use configured default client where appropriate
    this.client = HttpOp.getDefaultHttpClient();
    if (this.client == null
            || (this.authenticator != null && !HttpOp.getUseDefaultClientWithAuthentication())) {
        // If no configured default or authentication is in-use and the user has not configured
        // to use authentication with the default client use a fresh SystemDefaultHttpClient instance
        this.client = new SystemDefaultHttpClient();
    } else {/*from w  ww  .j  a v a  2s .c om*/
        // When using the configured default client we don't want to shut it down at the end of a request
        this.requireClientShutdown = false;
    }
}

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From source file:org.cloudifysource.quality.iTests.test.cli.cloudify.util.NewRestTestUtils.java

public static HttpResponse sendGetRequest(final String uri) throws IOException {
    final SystemDefaultHttpClient httpClient = new SystemDefaultHttpClient();
    final HttpGet request = new HttpGet(uri);
    return httpClient.execute(request);
}

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From source file:org.graphity.core.util.jena.HttpOp.java

/**
 * Ensures that a HTTP Client is non-null, uses a Jena-wide
 * {@link SystemDefaultHttpClient} if available when no
 * authentication is required, else create a new instance.
 * // ww  w  .  j  a  v  a  2s.  com
 * @param client
 *            HTTP Client
 * @return HTTP Client
 */
private static HttpClient ensureClient(HttpClient client, HttpAuthenticator auth) {
    if (client != null)
        return client;
    if (defaultHttpClient != null && auth == null)
        return defaultHttpClient;
    return new SystemDefaultHttpClient();
}

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