Example usage for org.apache.http.impl.client DefaultHttpClient getConnectionManager

Introduction

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

Prototype

public synchronized final ClientConnectionManager getConnectionManager() 

Source Link

Usage

From source file:com.alibaba.flink.utils.MetricsMonitor.java

public static Map httpResponse(String url) {
    Map ret;/*from w  w w.  j  a v  a  2s .  co m*/
    try {
        DefaultHttpClient httpClient = new DefaultHttpClient();
        HttpGet getRequest = new HttpGet(url);
        getRequest.addHeader("accept", "application/json");

        HttpResponse response = httpClient.execute(getRequest);

        if (response.getStatusLine().getStatusCode() != 200) {
            throw new RuntimeException(
                    "Failed : HTTP error code : " + response.getStatusLine().getStatusCode());
        }

        String data = EntityUtils.toString(response.getEntity());

        ret = (Map) Utils.from_json(data);

        httpClient.getConnectionManager().shutdown();

    } catch (IOException e) {
        ret = errorMsg(e.getMessage());
    }
    return ret;
}

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From source file:com.mobicage.rogerthat.util.http.HTTPUtil.java

public static HttpClient getHttpClient(int connectionTimeout, int socketTimeout, final int retryCount) {
    final HttpParams params = new BasicHttpParams();

    HttpConnectionParams.setStaleCheckingEnabled(params, true);
    HttpConnectionParams.setConnectionTimeout(params, connectionTimeout);
    HttpConnectionParams.setSoTimeout(params, socketTimeout);

    HttpClientParams.setRedirecting(params, false);

    final DefaultHttpClient httpClient = new DefaultHttpClient(params);

    if (shouldUseTruststore()) {
        KeyStore trustStore = loadTrustStore();

        SSLSocketFactory socketFactory;
        try {//from   w ww  . j  ava  2  s  .c o m
            socketFactory = new SSLSocketFactory(null, null, trustStore);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
        socketFactory.setHostnameVerifier(SSLSocketFactory.STRICT_HOSTNAME_VERIFIER);

        Scheme sch = new Scheme("https", socketFactory, CloudConstants.HTTPS_PORT);
        httpClient.getConnectionManager().getSchemeRegistry().register(sch);
    }

    if (retryCount > 0) {
        httpClient.setHttpRequestRetryHandler(new HttpRequestRetryHandler() {
            @Override
            public boolean retryRequest(IOException exception, int executionCount, HttpContext context) {
                return executionCount < retryCount;
            }
        });
    }
    return httpClient;
}

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From source file:ca.ualberta.cmput301w13t11.FoodBook.model.ServerClient.java

/**
 * Gets a thread safe client - that is, a client which can be used in a multithreaded
 * program and protects against certain errors that exist even in single threaded programs.
 * @return A Object of type DefaultHttpClient which will
 *//*from  ww w .  ja  va 2s.c om*/
public static DefaultHttpClient getThreadSafeClient() {
    DefaultHttpClient client = new DefaultHttpClient();
    ClientConnectionManager manager = client.getConnectionManager();
    HttpParams params = client.getParams();

    client = new DefaultHttpClient(new ThreadSafeClientConnManager(params, manager.getSchemeRegistry()),
            params);
    return client;
}

---

From source file:ch.entwine.weblounge.test.util.TestSiteUtils.java

/**
 * Test for the correct response when etag header is set.
 * //from   w w  w  .jav  a2  s.com
 * @param request
 *          the http request
 * @param eTagValue
 *          the expected etag value
 * @param logger
 *          used to log test output
 * @param params
 *          the request parameters
 * @throws Exception
 *           if processing the request fails
 */
public static void testETagHeader(HttpUriRequest request, String eTagValue, Logger logger, String[][] params)
        throws Exception {
    DefaultHttpClient httpClient = new DefaultHttpClient();
    try {
        request.removeHeaders("If-Modified-Since");
        request.setHeader("If-None-Match", eTagValue);
        logger.info("Sending 'If-None-Match' request to {}", request.getURI());
        HttpResponse response = TestUtils.request(httpClient, request, params);
        assertEquals(HttpServletResponse.SC_NOT_MODIFIED, response.getStatusLine().getStatusCode());
        assertNull(response.getEntity());
    } finally {
        httpClient.getConnectionManager().shutdown();
    }

    httpClient = new DefaultHttpClient();
    try {
        request.removeHeaders("If-Modified-Since");
        request.setHeader("If-None-Match", "\"abcdefghijklmt\"");
        logger.info("Sending 'If-None-Match' request to {}", request.getURI());
        HttpResponse response = TestUtils.request(httpClient, request, params);
        assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode());
        assertNotNull(response.getEntity());
        response.getEntity().consumeContent();
    } finally {
        httpClient.getConnectionManager().shutdown();
    }
}

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From source file:org.broadinstitute.gatk.utils.help.ForumAPIUtils.java

private static String httpGet(String urlStr) {
    String output = "";

    try {//  w  w  w.  j a  v a  2 s  .  co m

        DefaultHttpClient httpClient = new DefaultHttpClient();
        HttpGet getRequest = new HttpGet(urlStr);
        getRequest.addHeader("accept", "application/json");

        HttpResponse response = httpClient.execute(getRequest);

        if (response.getStatusLine().getStatusCode() != 200) {
            throw new RuntimeException(
                    "Failed : HTTP error code : " + response.getStatusLine().getStatusCode());
        }

        output = IOUtils.toString(response.getEntity().getContent());

        httpClient.getConnectionManager().shutdown();

    } catch (ClientProtocolException e) {

        e.printStackTrace();

    } catch (IOException e) {

        e.printStackTrace();
    }
    return output;
}

---

From source file:brooklyn.networking.cloudstack.HttpUtil.java

public static HttpClient createHttpClient(URI uri, Optional<Credentials> credentials) {
    final DefaultHttpClient httpClient = new DefaultHttpClient();

    // TODO if supplier returns null, we may wish to defer initialization until url available?
    if (uri != null && "https".equalsIgnoreCase(uri.getScheme())) {
        try {//from   w  ww .j  a v a  2 s .  c o m
            int port = (uri.getPort() >= 0) ? uri.getPort() : 443;
            SSLSocketFactory socketFactory = new SSLSocketFactory(new TrustAllStrategy(),
                    SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
            Scheme sch = new Scheme("https", port, socketFactory);
            httpClient.getConnectionManager().getSchemeRegistry().register(sch);
        } catch (Exception e) {
            LOG.warn("Error in HTTP Feed of {}, setting trust for uri {}", uri);
            throw Exceptions.propagate(e);
        }
    }

    // Set credentials
    if (uri != null && credentials.isPresent()) {
        String hostname = uri.getHost();
        int port = uri.getPort();
        httpClient.getCredentialsProvider().setCredentials(new AuthScope(hostname, port), credentials.get());
    }

    return httpClient;
}

---

From source file:com.android.sdklib.internal.repository.UrlOpener.java

private static InputStream openWithHttpClient(String url, ITaskMonitor monitor)
        throws IOException, ClientProtocolException, CanceledByUserException {
    UserCredentials result = null;// w ww  . ja  v a 2s  .c o m
    String realm = null;

    // use the simple one
    final DefaultHttpClient httpClient = new DefaultHttpClient();

    // create local execution context
    HttpContext localContext = new BasicHttpContext();
    HttpGet httpget = new HttpGet(url);

    // retrieve local java configured network in case there is the need to
    // authenticate a proxy
    ProxySelectorRoutePlanner routePlanner = new ProxySelectorRoutePlanner(
            httpClient.getConnectionManager().getSchemeRegistry(), ProxySelector.getDefault());
    httpClient.setRoutePlanner(routePlanner);

    // Set preference order for authentication options.
    // In particular, we don't add AuthPolicy.SPNEGO, which is given preference over NTLM in
    // servers that support both, as it is more secure. However, we don't seem to handle it
    // very well, so we leave it off the list.
    // See http://hc.apache.org/httpcomponents-client-ga/tutorial/html/authentication.html for
    // more info.
    List<String> authpref = new ArrayList<String>();
    authpref.add(AuthPolicy.BASIC);
    authpref.add(AuthPolicy.DIGEST);
    authpref.add(AuthPolicy.NTLM);
    httpClient.getParams().setParameter(AuthPNames.PROXY_AUTH_PREF, authpref);
    httpClient.getParams().setParameter(AuthPNames.TARGET_AUTH_PREF, authpref);

    boolean trying = true;
    // loop while the response is being fetched
    while (trying) {
        // connect and get status code
        HttpResponse response = httpClient.execute(httpget, localContext);
        int statusCode = response.getStatusLine().getStatusCode();

        // check whether any authentication is required
        AuthState authenticationState = null;
        if (statusCode == HttpStatus.SC_UNAUTHORIZED) {
            // Target host authentication required
            authenticationState = (AuthState) localContext.getAttribute(ClientContext.TARGET_AUTH_STATE);
        }
        if (statusCode == HttpStatus.SC_PROXY_AUTHENTICATION_REQUIRED) {
            // Proxy authentication required
            authenticationState = (AuthState) localContext.getAttribute(ClientContext.PROXY_AUTH_STATE);
        }
        if (statusCode == HttpStatus.SC_OK) {
            // in case the status is OK and there is a realm and result,
            // cache it
            if (realm != null && result != null) {
                sRealmCache.put(realm, result);
            }
        }

        // there is the need for authentication
        if (authenticationState != null) {

            // get scope and realm
            AuthScope authScope = authenticationState.getAuthScope();

            // If the current realm is different from the last one it means
            // a pass was performed successfully to the last URL, therefore
            // cache the last realm
            if (realm != null && !realm.equals(authScope.getRealm())) {
                sRealmCache.put(realm, result);
            }

            realm = authScope.getRealm();

            // in case there is cache for this Realm, use it to authenticate
            if (sRealmCache.containsKey(realm)) {
                result = sRealmCache.get(realm);
            } else {
                // since there is no cache, request for login and password
                result = monitor.displayLoginCredentialsPrompt("Site Authentication",
                        "Please login to the following domain: " + realm
                                + "\n\nServer requiring authentication:\n" + authScope.getHost());
                if (result == null) {
                    throw new CanceledByUserException("User canceled login dialog.");
                }
            }

            // retrieve authentication data
            String user = result.getUserName();
            String password = result.getPassword();
            String workstation = result.getWorkstation();
            String domain = result.getDomain();

            // proceed in case there is indeed a user
            if (user != null && user.length() > 0) {
                Credentials credentials = new NTCredentials(user, password, workstation, domain);
                httpClient.getCredentialsProvider().setCredentials(authScope, credentials);
                trying = true;
            } else {
                trying = false;
            }
        } else {
            trying = false;
        }

        HttpEntity entity = response.getEntity();

        if (entity != null) {
            if (trying) {
                // in case another pass to the Http Client will be performed, close the entity.
                entity.getContent().close();
            } else {
                // since no pass to the Http Client is needed, retrieve the
                // entity's content.

                // Note: don't use something like a BufferedHttpEntity since it would consume
                // all content and store it in memory, resulting in an OutOfMemory exception
                // on a large download.

                return new FilterInputStream(entity.getContent()) {
                    @Override
                    public void close() throws IOException {
                        super.close();

                        // since Http Client is no longer needed, close it
                        httpClient.getConnectionManager().shutdown();
                    }
                };
            }
        }
    }

    // We get here if we did not succeed. Callers do not expect a null result.
    httpClient.getConnectionManager().shutdown();
    throw new FileNotFoundException(url);
}

---

From source file:no.uib.tools.OnthologyHttpClient.java

private static BufferedReader getContentBufferedReader(String uri) {
    try {/*from  w w  w. j  av a  2s  .  c  o m*/
        DefaultHttpClient httpClient = new DefaultHttpClient();
        HttpGet getRequest = new HttpGet(uri);
        getRequest.addHeader("accept", "application/json");

        HttpResponse response = httpClient.execute(getRequest);

        if (response.getStatusLine().getStatusCode() != 200) {
            throw new RuntimeException("Failed to quety the PSIMOD onthology : HTTP error code : "
                    + response.getStatusLine().getStatusCode());
        }

        BufferedReader br = new BufferedReader(new InputStreamReader((response.getEntity().getContent())));

        httpClient.getConnectionManager().shutdown();

        return br;

    } catch (ClientProtocolException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}

---

From source file:middleware.HTTPRequest.java

public static List<Vuelo> doGetVuelos() throws IOException {
    String result;/*  www.jav  a 2 s .c om*/
    String url = "http://localhost:8084/MVIv2/webapi/vuelos";
    DefaultHttpClient httpClient = new DefaultHttpClient();
    HttpGet getRequest = new HttpGet(url);
    getRequest.addHeader("Accept", "application/json");

    HttpResponse response = httpClient.execute(getRequest);

    if (response.getStatusLine().getStatusCode() != 200) {
        throw new RuntimeException("ERROR AL CONSULTAR DEL TIPO: " + response.getStatusLine().getStatusCode());
    }

    HttpEntity entity = response.getEntity();
    result = EntityUtils.toString(entity);
    List<Vuelo> listaVuelos = getArrayVuelo(result);

    httpClient.getConnectionManager().shutdown();
    return listaVuelos;
}

---

From source file:middleware.HTTPRequest.java

public static List<Reserva> doGetReservas() throws IOException {
    String result;/*from w w  w  . java 2  s.  c  o m*/
    String url = "http://localhost:8084/MVIv2/webapi/reservas";
    DefaultHttpClient httpClient = new DefaultHttpClient();
    HttpGet getRequest = new HttpGet(url);
    getRequest.addHeader("Accept", "application/json");

    HttpResponse response = httpClient.execute(getRequest);

    if (response.getStatusLine().getStatusCode() != 200) {
        throw new RuntimeException("ERROR AL CONSULTAR DEL TIPO: " + response.getStatusLine().getStatusCode());
    }

    HttpEntity entity = response.getEntity();
    result = EntityUtils.toString(entity);
    List<Reserva> listaReservas = getArrayReserva(result);

    httpClient.getConnectionManager().shutdown();
    return listaReservas;
}

---

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