org.apache.commons.httpclient.auth.AuthScope Java Examples

private void checkCredentials(String user, String password) {
    try {
        Pair<String, Integer> hostAndPort = UriUtils.validateUrl(downloadUrl);
        if ((user != null) && (password != null)) {
            client.getParams().setAuthenticationPreemptive(true);
            Credentials defaultcreds = new UsernamePasswordCredentials(user, password);
            client.getState().setCredentials(new AuthScope(hostAndPort.first(), hostAndPort.second(), AuthScope.ANY_REALM), defaultcreds);
            s_logger.info("Added username=" + user + ", password=" + password + "for host " + hostAndPort.first() + ":" + hostAndPort.second());
        } else {
            s_logger.info("No credentials configured for host=" + hostAndPort.first() + ":" + hostAndPort.second());
        }
    } catch (IllegalArgumentException iae) {
        errorString = iae.getMessage();
        status = TemplateDownloader.Status.UNRECOVERABLE_ERROR;
        inited = false;
    }
}
 

public static void setNTLMCredentials(HttpClient httpClient, UsernamePasswordCredentials credentials,
                                      String domain) {
    initNTLMv2();

    String localHostName;
    try {
        localHostName = Inet4Address.getLocalHost().getHostName();
    } catch (Exception e) {
        localHostName = "";
    }

    AuthScope authscope = new AuthScope(AuthScope.ANY_HOST, AuthScope.ANY_PORT);
    httpClient.getState().setCredentials(
            authscope,
            new NTCredentials(
                    credentials.getUserName(),
                    credentials.getPassword(),
                    localHostName, domain));
}
 

/**
 * Enable NTLM authentication on http client
 *
 * @param httpClient HttpClient instance
 */
public static void addNTLM(HttpClient httpClient) {
    // disable preemptive authentication
    httpClient.getParams().setParameter(HttpClientParams.PREEMPTIVE_AUTHENTICATION, false);

    ArrayList<String> authPrefs = new ArrayList<>();
    authPrefs.add(AuthPolicy.NTLM);
    authPrefs.add(AuthPolicy.DIGEST);
    authPrefs.add(AuthPolicy.BASIC);
    httpClient.getParams().setParameter(AuthPolicy.AUTH_SCHEME_PRIORITY, authPrefs);

    // make sure NTLM is always active
    needNTLM = true;

    // separate domain from username in credentials
    AuthScope authScope = new AuthScope(null, -1);
    NTCredentials credentials = (NTCredentials) httpClient.getState().getCredentials(authScope);
    if (credentials != null && (credentials.getDomain() == null || credentials.getDomain().isEmpty())) {
        setCredentials(httpClient, credentials.getUserName(), credentials.getPassword());
    }
}
 

@Test
public void createClient_WithoutCredentials() throws Exception {
	// given
	System.setProperty(HTTPS_PROXY_HOST, HTTPS_PROXY_HOST_VALUE);
	System.setProperty(HTTPS_PROXY_PORT, HTTPS_PROXY_PORT_VALUE);

	// when
	HttpClient client = vdcClient.createHttpClient();

	// then
	assertEquals(HTTPS_PROXY_HOST_VALUE, client.getHostConfiguration()
			.getProxyHost());
	assertEquals(HTTPS_PROXY_PORT_VALUE,
			String.valueOf(client.getHostConfiguration().getProxyPort()));
	assertNull(client.getState().getProxyCredentials(AuthScope.ANY));

}
 

@Test
public void createClient_WithEmptyCredentials() throws Exception {
	// given
	System.setProperty(HTTPS_PROXY_HOST, HTTPS_PROXY_HOST_VALUE);
	System.setProperty(HTTPS_PROXY_PORT, HTTPS_PROXY_PORT_VALUE);
	System.setProperty(HTTPS_PROXY_USER, "");
	System.setProperty(HTTPS_PROXY_PASSWORD, "");

	// when
	HttpClient client = vdcClient.createHttpClient();

	// then
	assertEquals(HTTPS_PROXY_HOST_VALUE, client.getHostConfiguration()
			.getProxyHost());
	assertEquals(HTTPS_PROXY_PORT_VALUE,
			String.valueOf(client.getHostConfiguration().getProxyPort()));
	assertNull(client.getState().getProxyCredentials(AuthScope.ANY));

}
 

@Test
public void createClient() throws Exception {
	// given
	System.setProperty(HTTPS_PROXY_HOST, HTTPS_PROXY_HOST_VALUE);
	System.setProperty(HTTPS_PROXY_PORT, HTTPS_PROXY_PORT_VALUE);
	System.setProperty(HTTPS_PROXY_USER, HTTPS_PROXY_USER_VALUE);
	System.setProperty(HTTPS_PROXY_PASSWORD, HTTPS_PROXY_PASSWORD_VALUE);
	Credentials proxyCredentials = new UsernamePasswordCredentials(
			HTTPS_PROXY_USER_VALUE, HTTPS_PROXY_PASSWORD_VALUE);
	AuthScope authScope = new AuthScope(HTTPS_PROXY_HOST_VALUE,
			Integer.parseInt(HTTPS_PROXY_PORT_VALUE));

	// when
	HttpClient client = vdcClient.createHttpClient();

	// then
	assertEquals(HTTPS_PROXY_HOST_VALUE, client.getHostConfiguration()
			.getProxyHost());
	assertEquals(HTTPS_PROXY_PORT_VALUE,
			String.valueOf(client.getHostConfiguration().getProxyPort()));
	assertEquals(proxyCredentials,
			client.getState().getProxyCredentials(authScope));

}
 

/**
 * Retrieves the content under the given URL with username and passwort
 * authentication.
 * 
 * @param url
 * @param username
 * @param password
 * @return
 * @throws IOException
 */
private static byte[] getUrlContent(URL url, String username,
        String password) throws IOException {
    final HttpClient client = new HttpClient();

    // Set credentials:
    client.getParams().setAuthenticationPreemptive(true);
    final Credentials credentials = new UsernamePasswordCredentials(
            username, password);
    client.getState()
            .setCredentials(
                    new AuthScope(url.getHost(), url.getPort(),
                            AuthScope.ANY_REALM), credentials);

    // Retrieve content:
    final GetMethod method = new GetMethod(url.toString());
    final int status = client.executeMethod(method);
    if (status != HttpStatus.SC_OK) {
        throw new IOException("Error " + status + " while retrieving "
                + url);
    }
    return method.getResponseBody();
}
 

/**
 * A HttpClient with basic authentication and no host or port setting. Can only be used to retrieve absolute URLs
 * 
 * @param user
 *            can be NULL
 * @param password
 *            can be NULL
 * @return HttpClient
 */
public static HttpClient getHttpClientInstance(String user, String password) {
    HttpConnectionManager connectionManager = new MultiThreadedHttpConnectionManager();
    HttpConnectionParams params = connectionManager.getParams();
    // wait max 10 seconds to establish connection
    params.setConnectionTimeout(10000);
    // a read() call on the InputStream associated with this Socket
    // will block for only this amount
    params.setSoTimeout(10000);
    HttpClient c = new HttpClient(connectionManager);

    // use basic authentication if available
    if (user != null && user.length() > 0) {
        AuthScope authScope = new AuthScope(null, -1, null);
        Credentials credentials = new UsernamePasswordCredentials(user, password);
        c.getState().setCredentials(authScope, credentials);
    }
    return c;
}
 

@Test
public void createClient_MissingPassword() throws Exception {
	// given
	System.setProperty(HTTPS_PROXY_HOST, HTTPS_PROXY_HOST_VALUE);
	System.setProperty(HTTPS_PROXY_PORT, HTTPS_PROXY_PORT_VALUE);
	System.setProperty(HTTPS_PROXY_USER, HTTPS_PROXY_USER_VALUE);

	// when
	HttpClient client = vdcClient.createHttpClient();

	// then
	assertEquals(HTTPS_PROXY_HOST_VALUE, client.getHostConfiguration()
			.getProxyHost());
	assertEquals(HTTPS_PROXY_PORT_VALUE,
			String.valueOf(client.getHostConfiguration().getProxyPort()));
	assertNull(client.getState().getProxyCredentials(AuthScope.ANY));
}
 

@Test
public void createClient_MissingUser() throws Exception {
	// given
	System.setProperty(HTTPS_PROXY_HOST, HTTPS_PROXY_HOST_VALUE);
	System.setProperty(HTTPS_PROXY_PORT, HTTPS_PROXY_PORT_VALUE);
	System.setProperty(HTTPS_PROXY_USER, HTTPS_PROXY_USER_VALUE);

	// when
	HttpClient client = vdcClient.createHttpClient();

	// then
	assertEquals(HTTPS_PROXY_HOST_VALUE, client.getHostConfiguration()
			.getProxyHost());
	assertEquals(HTTPS_PROXY_PORT_VALUE,
			String.valueOf(client.getHostConfiguration().getProxyPort()));
	assertNull(client.getState().getProxyCredentials(AuthScope.ANY));
}
 

/**
 * A HttpClient with basic authentication and no host or port setting. Can only be used to retrieve absolute URLs
 * 
 * @param user
 *            can be NULL
 * @param password
 *            can be NULL
 * @return HttpClient
 */
public static HttpClient getHttpClientInstance(String user, String password) {
    HttpConnectionManager connectionManager = new MultiThreadedHttpConnectionManager();
    HttpConnectionParams params = connectionManager.getParams();
    // wait max 10 seconds to establish connection
    params.setConnectionTimeout(10000);
    // a read() call on the InputStream associated with this Socket
    // will block for only this amount
    params.setSoTimeout(10000);
    HttpClient c = new HttpClient(connectionManager);

    // use basic authentication if available
    if (user != null && user.length() > 0) {
        AuthScope authScope = new AuthScope(null, -1, null);
        Credentials credentials = new UsernamePasswordCredentials(user, password);
        c.getState().setCredentials(authScope, credentials);
    }
    return c;
}
 

@Test
public void createClient_NFE() throws Exception {
	// given
	System.setProperty(HTTPS_PROXY_HOST, HTTPS_PROXY_HOST_VALUE);
	System.setProperty(HTTPS_PROXY_PORT, "");
	System.setProperty(HTTPS_PROXY_USER, HTTPS_PROXY_PASSWORD_VALUE);
	System.setProperty(HTTPS_PROXY_PASSWORD, HTTPS_PROXY_PASSWORD_VALUE);

	// when
	HttpClient client = vdcClient.createHttpClient();

	// then
	assertNull(client.getHostConfiguration().getProxyHost());
	assertEquals(-1, client.getHostConfiguration().getProxyPort());
	assertNull(client.getState().getProxyCredentials(AuthScope.ANY));
}
 

/**
 * Returns an authentication scope for the specified
 * <code>host</code>, <code>port</code>, <code>realm</code> and
 * <code>scheme</code>.
 *
 * @param host    Host name or address.
 * @param port    Port number.
 * @param realm   Authentication realm.
 * @param scheme  Authentication scheme.
 */
private static AuthScope getAuthScope(String host, int port,
    String realm, String scheme) {
  
  if (host.length() == 0)
    host = null;

  if (port < 0)
    port = -1;

  if (realm.length() == 0)
    realm = null;

  if (scheme.length() == 0)
    scheme = null;

  return new AuthScope(host, port, realm, scheme);
}
 

/**
 * Retrieves the content under the given URL with username and passwort
 * authentication.
 * 
 * @param url
 *            the URL to read
 * @param username
 * @param password
 * @return the read content.
 * @throws IOException
 *             if an I/O exception occurs.
 */
private static byte[] getUrlContent(URL url, String username,
        String password) throws IOException {
    final HttpClient client = new HttpClient();

    // Set credentials:
    client.getParams().setAuthenticationPreemptive(true);
    final Credentials credentials = new UsernamePasswordCredentials(
            username, password);
    client.getState()
            .setCredentials(
                    new AuthScope(url.getHost(), url.getPort(),
                            AuthScope.ANY_REALM), credentials);

    // Retrieve content:
    final GetMethod method = new GetMethod(url.toString());
    final int status = client.executeMethod(method);
    if (status != HttpStatus.SC_OK) {
        throw new IOException("Error " + status + " while retrieving "
                + url);
    }
    return method.getResponseBody();
}
 

private Socket AuthenticateProxy(ConnectMethod method, ProxyClient client, 
        String proxyHost, int proxyPort, 
        String proxyUsername, String proxyPassword) throws IOException {   
    if(method.getProxyAuthState().getAuthScheme().getSchemeName().equalsIgnoreCase("ntlm")) {
        // If Auth scheme is NTLM, set NT credentials with blank host and domain name
        client.getState().setProxyCredentials(new AuthScope(proxyHost, proxyPort), 
                        new NTCredentials(proxyUsername, proxyPassword,"",""));
    } else {
        // If Auth scheme is Basic/Digest, set regular Credentials
        client.getState().setProxyCredentials(new AuthScope(proxyHost, proxyPort), 
                new UsernamePasswordCredentials(proxyUsername, proxyPassword));
    }
    
    ProxyClient.ConnectResponse response = client.connect();
    Socket socket = response.getSocket();
    
    if (socket == null) {
        method = response.getConnectMethod();
        throw new ProtocolException("Proxy Authentication failed. Socket not created: " 
                + method.getStatusLine());
    }
    return socket;
}
 

public static InputStream getInputStreamFromUrl(final String url, final String user, final String password) {

        try {
            final Pair<String, Integer> hostAndPort = validateUrl(url);
            final HttpClient httpclient = new HttpClient(new MultiThreadedHttpConnectionManager());
            if ((user != null) && (password != null)) {
                httpclient.getParams().setAuthenticationPreemptive(true);
                final Credentials defaultcreds = new UsernamePasswordCredentials(user, password);
                httpclient.getState().setCredentials(new AuthScope(hostAndPort.first(), hostAndPort.second(), AuthScope.ANY_REALM), defaultcreds);
                s_logger.info("Added username=" + user + ", password=" + password + "for host " + hostAndPort.first() + ":" + hostAndPort.second());
            }
            // Execute the method.
            final GetMethod method = new GetMethod(url);
            final int statusCode = httpclient.executeMethod(method);

            if (statusCode != HttpStatus.SC_OK) {
                s_logger.error("Failed to read from URL: " + url);
                return null;
            }

            return method.getResponseBodyAsStream();
        } catch (final Exception ex) {
            s_logger.error("Failed to read from URL: " + url);
            return null;
        }
    }
 

private HttpClient getHttpClient() {
    HttpClient client = new HttpClient();
    Jenkins jenkins = Jenkins.getInstance();
    if (jenkins != null) {
        ProxyConfiguration proxy = jenkins.proxy;
        if (proxy != null) {
            client.getHostConfiguration().setProxy(proxy.name, proxy.port);
            String username = proxy.getUserName();
            String password = proxy.getPassword();
            // Consider it to be passed if username specified. Sufficient?
            if (StringUtils.isNotBlank(username)) {
                client.getState().setProxyCredentials(AuthScope.ANY,
                        new UsernamePasswordCredentials(username, password));
            }
        }
    }
    client.getParams().setConnectionManagerTimeout(timeout);
    client.getHttpConnectionManager().getParams().setSoTimeout(timeout);
    client.getHttpConnectionManager().getParams().setConnectionTimeout(timeout);
    return client;
}
 

public String sendReport(Map<String, String> values) throws IOException {
  HttpClient httpClient = new HttpClient();

  HostConfiguration hostConfiguration = new HostConfiguration();
  if (!StringUtils.isBlank(proxy)) {
    hostConfiguration.setProxy(proxy, proxyPort);
    if (StringUtils.isNotBlank(user) && StringUtils.isNotBlank(password)) {
      httpClient.getState().setProxyCredentials(AuthScope.ANY, new UsernamePasswordCredentials(user, password));
    }
  }
  httpClient.setHostConfiguration(hostConfiguration);
  PostMethod method = new PostMethod(getSendUrl());

  addHttpPostParams(values, method);

  int executeMethod = httpClient.executeMethod(method);
  LOGGER.info("HTTP result of report send POST: " + executeMethod);
  return IOUtils.toString(method.getResponseBodyAsStream());
}
 

/**
 * Returns an authentication scope for the specified
 * <code>host</code>, <code>port</code>, <code>realm</code> and
 * <code>scheme</code>.
 *
 * @param host    Host name or address.
 * @param port    Port number.
 * @param realm   Authentication realm.
 * @param scheme  Authentication scheme.
 */
private static AuthScope getAuthScope(String host, int port,
    String realm, String scheme) {
  
  if (host.length() == 0)
    host = null;

  if (port < 0)
    port = -1;

  if (realm.length() == 0)
    realm = null;

  if (scheme.length() == 0)
    scheme = null;

  return new AuthScope(host, port, realm, scheme);
}
 

/**
 * Constructor.
 * 
 * @param client HTTP client used to pull in remote metadata
 * @param backgroundTaskTimer timer used to schedule background metadata refresh tasks
 * @param metadataURL URL to the remove remote metadata
 * 
 * @throws MetadataProviderException thrown if the HTTP client is null or the metadata URL provided is invalid
 */
public HTTPMetadataProvider(Timer backgroundTaskTimer, HttpClient client, String metadataURL)
        throws MetadataProviderException {
    super(backgroundTaskTimer);

    if (client == null) {
        throw new MetadataProviderException("HTTP client may not be null");
    }
    httpClient = client;

    try {
        metadataURI = new URI(metadataURL);
    } catch (URISyntaxException e) {
        throw new MetadataProviderException("Illegal URL syntax", e);
    }

    authScope = new AuthScope(metadataURI.getHost(), metadataURI.getPort());
}
 

/**
 * Constructor.
 * 
 * @param metadataURL the URL to fetch the metadata
 * @param requestTimeout the time, in milliseconds, to wait for the metadata server to respond
 * 
 * @throws MetadataProviderException thrown if the URL is not a valid URL or the metadata can not be retrieved from
 *             the URL
 */
@Deprecated
public HTTPMetadataProvider(String metadataURL, int requestTimeout) throws MetadataProviderException {
    super();
    try {
        metadataURI = new URI(metadataURL);
    } catch (URISyntaxException e) {
        throw new MetadataProviderException("Illegal URL syntax", e);
    }

    HttpClientParams clientParams = new HttpClientParams();
    clientParams.setSoTimeout(requestTimeout);
    httpClient = new HttpClient(clientParams);
    httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(requestTimeout);
    authScope = new AuthScope(metadataURI.getHost(), metadataURI.getPort());

}
 

public static InputStream getInputStreamFromUrl(String url, String user, String password) {

        try {
            Pair<String, Integer> hostAndPort = validateUrl(url);
            HttpClient httpclient = new HttpClient(new MultiThreadedHttpConnectionManager());
            if ((user != null) && (password != null)) {
                httpclient.getParams().setAuthenticationPreemptive(true);
                Credentials defaultcreds = new UsernamePasswordCredentials(user, password);
                httpclient.getState().setCredentials(new AuthScope(hostAndPort.first(), hostAndPort.second(), AuthScope.ANY_REALM), defaultcreds);
                s_logger.info("Added username=" + user + ", password=" + password + "for host " + hostAndPort.first() + ":" + hostAndPort.second());
            }
            // Execute the method.
            GetMethod method = new GetMethod(url);
            int statusCode = httpclient.executeMethod(method);

            if (statusCode != HttpStatus.SC_OK) {
                s_logger.error("Failed to read from URL: " + url);
                return null;
            }

            return method.getResponseBodyAsStream();
        } catch (Exception ex) {
            s_logger.error("Failed to read from URL: " + url);
            return null;
        }
    }
 

/**
 * Find matching {@link Credentials credentials} for the given authentication scope.
 *
 * @param map the credentials hash map
 * @param token the {@link AuthScope authentication scope}
 * @return the credentials 
 * 
 */
private static Credentials matchCredentials(final HashMap map, final AuthScope authscope) {
    // see if we get a direct hit
    Credentials creds = (Credentials)map.get(authscope);
    if (creds == null) {
        // Nope.
        // Do a full scan
        int bestMatchFactor  = -1;
        AuthScope bestMatch  = null;
        Iterator items = map.keySet().iterator();
        while (items.hasNext()) {
            AuthScope current = (AuthScope)items.next();
            int factor = authscope.match(current);
            if (factor > bestMatchFactor) {
                bestMatchFactor = factor;
                bestMatch = current;
            }
        }
        if (bestMatch != null) {
            creds = (Credentials)map.get(bestMatch);
        }
    }
    return creds;
}
 

@Override
public void setUp() throws IOException {
    super.setUp();
    if (httpClient == null) {
        // start gateway
        DavGateway.start();
        httpClient = new HttpClient();
        HostConfiguration hostConfig = httpClient.getHostConfiguration();
        URI httpURI = new URI("http://localhost:" + Settings.getProperty("davmail.caldavPort"), true);
        hostConfig.setHost(httpURI);
        AuthScope authScope = new AuthScope(null, -1);
        httpClient.getState().setCredentials(authScope, new NTCredentials(Settings.getProperty("davmail.username"), Settings.getProperty("davmail.password"), "", ""));
    }
    if (session == null) {
        session = ExchangeSessionFactory.getInstance(Settings.getProperty("davmail.username"), Settings.getProperty("davmail.password"));
    }
}
 

private Credentials promptForProxyCredentials(
    final AuthScheme authScheme,
    final HttpParams params,
    final AuthScope authscope) 
{
    LOG.debug("Proxy credentials required");
    Credentials creds = null;
    CredentialsProvider credProvider = 
        (CredentialsProvider)params.getParameter(CredentialsProvider.PROVIDER);
    if (credProvider != null) {
        try {
            creds = credProvider.getCredentials(
                authScheme, authscope.getHost(), authscope.getPort(), true);
        } catch (CredentialsNotAvailableException e) {
            LOG.warn(e.getMessage());
        }
        if (creds != null) {
            this.state.setProxyCredentials(authscope, creds);
            if (LOG.isDebugEnabled()) {
                LOG.debug(authscope + " new credentials given");
            }
        }
    } else {
        LOG.debug("Proxy credentials provider not available");
    }
    return creds;
}
 

private Credentials promptForCredentials(
    final AuthScheme authScheme,
    final HttpParams params, 
    final AuthScope authscope)
{
    LOG.debug("Credentials required");
    Credentials creds = null;
    CredentialsProvider credProvider = 
        (CredentialsProvider)params.getParameter(CredentialsProvider.PROVIDER);
    if (credProvider != null) {
        try {
            creds = credProvider.getCredentials(
                authScheme, authscope.getHost(), authscope.getPort(), false);
        } catch (CredentialsNotAvailableException e) {
            LOG.warn(e.getMessage());
        }
        if (creds != null) {
            this.state.setCredentials(authscope, creds);
            if (LOG.isDebugEnabled()) {
                LOG.debug(authscope + " new credentials given");
            }
        }
    } else {
        LOG.debug("Credentials provider not available");
    }
    return creds;
}
 

private void checkProxy(Proxy proxy) {
    if (proxy != null) {
        client.getHostConfiguration().setProxy(proxy.getHost(), proxy.getPort());
        if (proxy.getUserName() != null) {
            Credentials proxyCreds = new UsernamePasswordCredentials(proxy.getUserName(), proxy.getPassword());
            client.getState().setProxyCredentials(AuthScope.ANY, proxyCreds);
        }
    }
}
 

private void authenticateProxy(final HttpMethod method) throws AuthenticationException {
    // Clean up existing authentication headers
    if (!cleanAuthHeaders(method, PROXY_AUTH_RESP)) {
        // User defined authentication header(s) present
        return;
    }
    AuthState authstate = method.getProxyAuthState();
    AuthScheme authscheme = authstate.getAuthScheme();
    if (authscheme == null) {
        return;
    }
    if (authstate.isAuthRequested() || !authscheme.isConnectionBased()) {
        AuthScope authscope = new AuthScope(
            conn.getProxyHost(), conn.getProxyPort(), 
            authscheme.getRealm(), 
            authscheme.getSchemeName());  
        if (LOG.isDebugEnabled()) {
            LOG.debug("Authenticating with " + authscope);
        }
        Credentials credentials = this.state.getProxyCredentials(authscope);
        if (credentials != null) {
            String authstring = authscheme.authenticate(credentials, method);
            if (authstring != null) {
                method.addRequestHeader(new Header(PROXY_AUTH_RESP, authstring, true));
            }
        } else {
            if (LOG.isWarnEnabled()) {
                LOG.warn("Required proxy credentials not available for " + authscope);
                if (method.getProxyAuthState().isPreemptive()) {
                    LOG.warn("Preemptive authentication requested but no default " +
                        "proxy credentials available"); 
                }
            }
        }
    }
}
 

/**
 * @param proxy
 * @param httpClient
 */
public static void setProxy(Proxy proxy, HttpClient httpClient) {
    if (proxy != null && httpClient != null) {
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("Setting proxy with host " + proxy.getHost() + " and port " + proxy.getPort() + " for host " + httpClient.getHostConfiguration().getHost() + ":" + httpClient.getHostConfiguration().getPort());
        }

        httpClient.getHostConfiguration().setProxy(proxy.getHost(), proxy.getPort());
        if (proxy.getUserName() != null && proxy.getPassword() != null) {
            httpClient.getState().setProxyCredentials(AuthScope.ANY, new UsernamePasswordCredentials(proxy.getUserName(), proxy.getPassword()));
        }
    }
}
 

public static void setProxyHost(HttpClient httpClient, UsernamePasswordCredentials proxyCredentials,
                                String proxyHost, int proxyPort) {

    if (proxyHost != null && !proxyHost.isEmpty()) {
        httpClient.getHostConfiguration().setProxy(proxyHost, proxyPort);
        if (proxyCredentials != null) {
            HttpState state = new HttpState();
            state.setProxyCredentials(new AuthScope(proxyHost, proxyPort), proxyCredentials);
            httpClient.setState(state);
        }
    }
}