Example usage for org.apache.http.protocol ExecutionContext HTTP_TARGET_HOST

List of usage examples for org.apache.http.protocol ExecutionContext HTTP_TARGET_HOST

Introduction

In this page you can find the example usage for org.apache.http.protocol ExecutionContext HTTP_TARGET_HOST.

Prototype

String HTTP_TARGET_HOST

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Usage

From source file:org.vietspider.net.apache.DefaultRequestDirector.java

public HttpResponse execute(HttpHost target, HttpRequest request, HttpContext context)
        throws HttpException, IOException {

    HttpRequest orig = request;//from ww w.  j a v a2s . c o m
    RequestWrapper origWrapper = wrapRequest(orig);
    origWrapper.setParams(params);
    HttpRoute origRoute = determineRoute(target, origWrapper, context);

    virtualHost = (HttpHost) orig.getParams().getParameter(ClientPNames.VIRTUAL_HOST);

    RoutedRequest roureq = new RoutedRequest(origWrapper, origRoute);

    long timeout = HttpConnectionParams.getConnectionTimeout(params);

    boolean reuse = false;
    boolean done = false;
    try {
        HttpResponse response = null;
        while (!done) {
            // In this loop, the RoutedRequest may be replaced by a
            // followup request and route. The request and route passed
            // in the method arguments will be replaced. The original
            // request is still available in 'orig'.

            RequestWrapper wrapper = roureq.getRequest();
            HttpRoute route = roureq.getRoute();
            response = null;

            // See if we have a user token bound to the execution context
            Object userToken = context.getAttribute(ClientContext.USER_TOKEN);

            // Allocate connection if needed
            if (managedConn == null) {
                ClientConnectionRequest connRequest = connManager.requestConnection(route, userToken);
                if (orig instanceof AbortableHttpRequest) {
                    ((AbortableHttpRequest) orig).setConnectionRequest(connRequest);
                }

                try {
                    //                      if(timeout < 1) timeout = 30000;
                    //                      System.out.println(" =========== chay vao day roi nhe " + timeout );
                    //                      System.out.println(connRequest);
                    managedConn = connRequest.getConnection(timeout, TimeUnit.MILLISECONDS);
                    //                        System.out.println("get thuc chuyen nay");
                } catch (InterruptedException interrupted) {
                    InterruptedIOException iox = new InterruptedIOException();
                    iox.initCause(interrupted);
                    throw iox;
                }

                if (HttpConnectionParams.isStaleCheckingEnabled(params)) {
                    // validate connection
                    if (managedConn.isOpen()) {
                        this.log.debug("Stale connection check");
                        if (managedConn.isStale()) {
                            this.log.debug("Stale connection detected");
                            managedConn.close();
                        }
                    }
                }
            }

            if (orig instanceof AbortableHttpRequest) {
                ((AbortableHttpRequest) orig).setReleaseTrigger(managedConn);
            }

            try {
                tryConnect(roureq, context);
            } catch (TunnelRefusedException ex) {
                if (this.log.isDebugEnabled()) {
                    this.log.debug(ex.getMessage());
                }
                response = ex.getResponse();
                break;
            }

            // Reset headers on the request wrapper
            wrapper.resetHeaders();

            // Re-write request URI if needed
            rewriteRequestURI(wrapper, route);

            // Use virtual host if set
            target = virtualHost;

            if (target == null) {
                target = route.getTargetHost();
            }

            HttpHost proxy = route.getProxyHost();

            // Populate the execution context
            context.setAttribute(ExecutionContext.HTTP_TARGET_HOST, target);
            context.setAttribute(ExecutionContext.HTTP_PROXY_HOST, proxy);
            context.setAttribute(ExecutionContext.HTTP_CONNECTION, managedConn);
            context.setAttribute(ClientContext.TARGET_AUTH_STATE, targetAuthState);
            context.setAttribute(ClientContext.PROXY_AUTH_STATE, proxyAuthState);

            // Run request protocol interceptors
            requestExec.preProcess(wrapper, httpProcessor, context);

            response = tryExecute(roureq, context);
            if (response == null) {
                // Need to start over
                continue;
            }

            // Run response protocol interceptors
            response.setParams(params);
            requestExec.postProcess(response, httpProcessor, context);

            // The connection is in or can be brought to a re-usable state.
            reuse = reuseStrategy.keepAlive(response, context);
            if (reuse) {
                // Set the idle duration of this connection
                long duration = keepAliveStrategy.getKeepAliveDuration(response, context);
                if (this.log.isDebugEnabled()) {
                    String s;
                    if (duration > 0) {
                        s = "for " + duration + " " + TimeUnit.MILLISECONDS;
                    } else {
                        s = "indefinitely";
                    }
                    this.log.debug("Connection can be kept alive " + s);
                }
                managedConn.setIdleDuration(duration, TimeUnit.MILLISECONDS);
            }

            RoutedRequest followup = handleResponse(roureq, response, context);
            if (followup == null) {
                done = true;
            } else {
                if (reuse) {
                    // Make sure the response body is fully consumed, if present
                    HttpEntity entity = response.getEntity();
                    EntityUtils.consume(entity);
                    // entity consumed above is not an auto-release entity,
                    // need to mark the connection re-usable explicitly
                    managedConn.markReusable();
                } else {
                    managedConn.close();
                }
                // check if we can use the same connection for the followup
                if (!followup.getRoute().equals(roureq.getRoute())) {
                    releaseConnection();
                }
                roureq = followup;
            }

            if (managedConn != null && userToken == null) {
                userToken = userTokenHandler.getUserToken(context);
                context.setAttribute(ClientContext.USER_TOKEN, userToken);
                if (userToken != null) {
                    managedConn.setState(userToken);
                }
            }

        } // while not done

        // check for entity, release connection if possible
        if ((response == null) || (response.getEntity() == null) || !response.getEntity().isStreaming()) {
            // connection not needed and (assumed to be) in re-usable state
            if (reuse)
                managedConn.markReusable();
            releaseConnection();
        } else {
            // install an auto-release entity
            HttpEntity entity = response.getEntity();
            entity = new BasicManagedEntity(entity, managedConn, reuse);
            response.setEntity(entity);
        }

        return response;

    } catch (ConnectionShutdownException ex) {
        InterruptedIOException ioex = new InterruptedIOException("Connection has been shut down");
        ioex.initCause(ex);
        throw ioex;
    } catch (HttpException ex) {
        abortConnection();
        throw ex;
    } catch (IOException ex) {
        abortConnection();
        throw ex;
    } catch (RuntimeException ex) {
        abortConnection();
        throw ex;
    }
}

From source file:org.robolectric.shadows.httpclient.DefaultRequestDirector.java

public HttpResponse execute(HttpHost target, HttpRequest request, HttpContext context)
        throws HttpException, IOException {

    HttpRequest orig = request;// ww w  .j ava 2s . c  o  m
    RequestWrapper origWrapper = wrapRequest(orig);
    origWrapper.setParams(params);
    HttpRoute origRoute = determineRoute(target, origWrapper, context);

    virtualHost = (HttpHost) orig.getParams().getParameter(ClientPNames.VIRTUAL_HOST);

    RoutedRequest roureq = new RoutedRequest(origWrapper, origRoute);

    long timeout = ConnManagerParams.getTimeout(params);

    int execCount = 0;

    boolean reuse = false;
    boolean done = false;
    try {
        HttpResponse response = null;
        while (!done) {
            // In this loop, the RoutedRequest may be replaced by a
            // followup request and route. The request and route passed
            // in the method arguments will be replaced. The original
            // request is still available in 'orig'.

            RequestWrapper wrapper = roureq.getRequest();
            HttpRoute route = roureq.getRoute();
            response = null;

            // See if we have a user token bound to the execution context
            Object userToken = context.getAttribute(ClientContext.USER_TOKEN);

            // Allocate connection if needed
            if (managedConn == null) {
                ClientConnectionRequest connRequest = connManager.requestConnection(route, userToken);
                if (orig instanceof AbortableHttpRequest) {
                    ((AbortableHttpRequest) orig).setConnectionRequest(connRequest);
                }

                try {
                    managedConn = connRequest.getConnection(timeout, TimeUnit.MILLISECONDS);
                } catch (InterruptedException interrupted) {
                    InterruptedIOException iox = new InterruptedIOException();
                    iox.initCause(interrupted);
                    throw iox;
                }

                if (HttpConnectionParams.isStaleCheckingEnabled(params)) {
                    // validate connection
                    if (managedConn.isOpen()) {
                        this.log.debug("Stale connection check");
                        if (managedConn.isStale()) {
                            this.log.debug("Stale connection detected");
                            managedConn.close();
                        }
                    }
                }
            }

            if (orig instanceof AbortableHttpRequest) {
                ((AbortableHttpRequest) orig).setReleaseTrigger(managedConn);
            }

            // Reopen connection if needed
            if (!managedConn.isOpen()) {
                managedConn.open(route, context, params);
            } else {
                managedConn.setSocketTimeout(HttpConnectionParams.getSoTimeout(params));
            }

            try {
                establishRoute(route, context);
            } catch (TunnelRefusedException ex) {
                if (this.log.isDebugEnabled()) {
                    this.log.debug(ex.getMessage());
                }
                response = ex.getResponse();
                break;
            }

            // Reset headers on the request wrapper
            wrapper.resetHeaders();

            // Re-write request URI if needed
            rewriteRequestURI(wrapper, route);

            // Use virtual host if set
            target = virtualHost;

            if (target == null) {
                target = route.getTargetHost();
            }

            HttpHost proxy = route.getProxyHost();

            // Populate the execution context
            context.setAttribute(ExecutionContext.HTTP_TARGET_HOST, target);
            context.setAttribute(ExecutionContext.HTTP_PROXY_HOST, proxy);
            context.setAttribute(ExecutionContext.HTTP_CONNECTION, managedConn);
            context.setAttribute(ClientContext.TARGET_AUTH_STATE, targetAuthState);
            context.setAttribute(ClientContext.PROXY_AUTH_STATE, proxyAuthState);

            // Run request protocol interceptors
            requestExec.preProcess(wrapper, httpProcessor, context);

            boolean retrying = true;
            Exception retryReason = null;
            while (retrying) {
                // Increment total exec count (with redirects)
                execCount++;
                // Increment exec count for this particular request
                wrapper.incrementExecCount();
                if (!wrapper.isRepeatable()) {
                    this.log.debug("Cannot retry non-repeatable request");
                    if (retryReason != null) {
                        throw new NonRepeatableRequestException("Cannot retry request "
                                + "with a non-repeatable request entity.  The cause lists the "
                                + "reason the original request failed: " + retryReason);
                    } else {
                        throw new NonRepeatableRequestException(
                                "Cannot retry request " + "with a non-repeatable request entity.");
                    }
                }

                try {
                    if (this.log.isDebugEnabled()) {
                        this.log.debug("Attempt " + execCount + " to execute request");
                    }
                    response = requestExec.execute(wrapper, managedConn, context);
                    retrying = false;

                } catch (IOException ex) {
                    this.log.debug("Closing the connection.");
                    managedConn.close();
                    if (retryHandler.retryRequest(ex, wrapper.getExecCount(), context)) {
                        if (this.log.isInfoEnabled()) {
                            this.log.info("I/O exception (" + ex.getClass().getName()
                                    + ") caught when processing request: " + ex.getMessage());
                        }
                        if (this.log.isDebugEnabled()) {
                            this.log.debug(ex.getMessage(), ex);
                        }
                        this.log.info("Retrying request");
                        retryReason = ex;
                    } else {
                        throw ex;
                    }

                    // If we have a direct route to the target host
                    // just re-open connection and re-try the request
                    if (!route.isTunnelled()) {
                        this.log.debug("Reopening the direct connection.");
                        managedConn.open(route, context, params);
                    } else {
                        // otherwise give up
                        this.log.debug("Proxied connection. Need to start over.");
                        retrying = false;
                    }

                }

            }

            if (response == null) {
                // Need to start over
                continue;
            }

            // Run response protocol interceptors
            response.setParams(params);
            requestExec.postProcess(response, httpProcessor, context);

            // The connection is in or can be brought to a re-usable state.
            reuse = reuseStrategy.keepAlive(response, context);
            if (reuse) {
                // Set the idle duration of this connection
                long duration = keepAliveStrategy.getKeepAliveDuration(response, context);
                managedConn.setIdleDuration(duration, TimeUnit.MILLISECONDS);

                if (this.log.isDebugEnabled()) {
                    if (duration >= 0) {
                        this.log.debug("Connection can be kept alive for " + duration + " ms");
                    } else {
                        this.log.debug("Connection can be kept alive indefinitely");
                    }
                }
            }

            RoutedRequest followup = handleResponse(roureq, response, context);
            if (followup == null) {
                done = true;
            } else {
                if (reuse) {
                    // Make sure the response body is fully consumed, if present
                    HttpEntity entity = response.getEntity();
                    if (entity != null) {
                        entity.consumeContent();
                    }
                    // entity consumed above is not an auto-release entity,
                    // need to mark the connection re-usable explicitly
                    managedConn.markReusable();
                } else {
                    managedConn.close();
                }
                // check if we can use the same connection for the followup
                if (!followup.getRoute().equals(roureq.getRoute())) {
                    releaseConnection();
                }
                roureq = followup;
            }

            if (managedConn != null && userToken == null) {
                userToken = userTokenHandler.getUserToken(context);
                context.setAttribute(ClientContext.USER_TOKEN, userToken);
                if (userToken != null) {
                    managedConn.setState(userToken);
                }
            }

        } // while not done

        // check for entity, release connection if possible
        if ((response == null) || (response.getEntity() == null) || !response.getEntity().isStreaming()) {
            // connection not needed and (assumed to be) in re-usable state
            if (reuse)
                managedConn.markReusable();
            releaseConnection();
        } else {
            // install an auto-release entity
            HttpEntity entity = response.getEntity();
            entity = new BasicManagedEntity(entity, managedConn, reuse);
            response.setEntity(entity);
        }

        return response;

    } catch (HttpException | RuntimeException | IOException ex) {
        abortConnection();
        throw ex;
    }
}

From source file:org.bungeni.ext.integration.bungeniportal.BungeniAppConnector.java

private String getRequestEndContextURL(HttpContext context) {
    HttpUriRequest currentReq = (HttpUriRequest) context.getAttribute(ExecutionContext.HTTP_REQUEST);
    HttpHost currentHost = (HttpHost) context.getAttribute(ExecutionContext.HTTP_TARGET_HOST);
    // this gives the login page
    String currentUrl = (currentReq.getURI().isAbsolute()) ? currentReq.getURI().toString()
            : (currentHost.toURI() + currentReq.getURI());
    return currentUrl;
}

From source file:com.klinker.android.twitter.utils.api_helper.TwitterMultipleImageHelper.java

public String getMediaIds(File[] pics, Twitter twitter) {
    JSONObject jsonresponse = new JSONObject();
    String ids = "";

    for (int i = 0; i < pics.length; i++) {
        File file = pics[i];//from w ww  .  ja  v a 2  s.c o m
        try {
            AccessToken token = twitter.getOAuthAccessToken();
            String oauth_token = token.getToken();
            String oauth_token_secret = token.getTokenSecret();

            // generate authorization header
            String get_or_post = "POST";
            String oauth_signature_method = "HMAC-SHA1";

            String uuid_string = UUID.randomUUID().toString();
            uuid_string = uuid_string.replaceAll("-", "");
            String oauth_nonce = uuid_string; // any relatively random alphanumeric string will work here

            // get the timestamp
            Calendar tempcal = Calendar.getInstance();
            long ts = tempcal.getTimeInMillis();// get current time in milliseconds
            String oauth_timestamp = (new Long(ts / 1000)).toString(); // then divide by 1000 to get seconds

            // the parameter string must be in alphabetical order, "text" parameter added at end
            String parameter_string = "oauth_consumer_key=" + AppSettings.TWITTER_CONSUMER_KEY + "&oauth_nonce="
                    + oauth_nonce + "&oauth_signature_method=" + oauth_signature_method + "&oauth_timestamp="
                    + oauth_timestamp + "&oauth_token=" + encode(oauth_token) + "&oauth_version=1.0";
            System.out.println("Twitter.updateStatusWithMedia(): parameter_string=" + parameter_string);

            String twitter_endpoint = "https://upload.twitter.com/1.1/media/upload.json";
            String twitter_endpoint_host = "upload.twitter.com";
            String twitter_endpoint_path = "/1.1/media/upload.json";
            String signature_base_string = get_or_post + "&" + encode(twitter_endpoint) + "&"
                    + encode(parameter_string);
            String oauth_signature = computeSignature(signature_base_string,
                    AppSettings.TWITTER_CONSUMER_SECRET + "&" + encode(oauth_token_secret));

            String authorization_header_string = "OAuth oauth_consumer_key=\""
                    + AppSettings.TWITTER_CONSUMER_KEY
                    + "\",oauth_signature_method=\"HMAC-SHA1\",oauth_timestamp=\"" + oauth_timestamp
                    + "\",oauth_nonce=\"" + oauth_nonce + "\",oauth_version=\"1.0\",oauth_signature=\""
                    + encode(oauth_signature) + "\",oauth_token=\"" + encode(oauth_token) + "\"";

            HttpParams params = new BasicHttpParams();
            HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
            HttpProtocolParams.setContentCharset(params, "UTF-8");
            HttpProtocolParams.setUserAgent(params, "HttpCore/1.1");
            HttpProtocolParams.setUseExpectContinue(params, false);
            HttpProcessor httpproc = new ImmutableHttpProcessor(new HttpRequestInterceptor[] {
                    // Required protocol interceptors
                    new RequestContent(), new RequestTargetHost(),
                    // Recommended protocol interceptors
                    new RequestConnControl(), new RequestUserAgent(), new RequestExpectContinue() });

            HttpRequestExecutor httpexecutor = new HttpRequestExecutor();
            HttpContext context = new BasicHttpContext(null);
            HttpHost host = new HttpHost(twitter_endpoint_host, 443);
            DefaultHttpClientConnection conn = new DefaultHttpClientConnection();

            context.setAttribute(ExecutionContext.HTTP_CONNECTION, conn);
            context.setAttribute(ExecutionContext.HTTP_TARGET_HOST, host);

            try {
                try {
                    SSLContext sslcontext = SSLContext.getInstance("TLS");
                    sslcontext.init(null, null, null);
                    SSLSocketFactory ssf = sslcontext.getSocketFactory();
                    Socket socket = ssf.createSocket();
                    socket.connect(new InetSocketAddress(host.getHostName(), host.getPort()), 0);
                    conn.bind(socket, params);

                    BasicHttpEntityEnclosingRequest request2 = new BasicHttpEntityEnclosingRequest("POST",
                            twitter_endpoint_path);

                    // need to add status parameter to this POST
                    MultipartEntity reqEntity = new MultipartEntity();

                    FileBody sb_image = new FileBody(file);
                    reqEntity.addPart("media", sb_image);

                    request2.setEntity(reqEntity);
                    request2.setParams(params);

                    request2.addHeader("Authorization", authorization_header_string);
                    System.out.println(
                            "Twitter.updateStatusWithMedia(): Entity, params and header added to request. Preprocessing and executing...");
                    httpexecutor.preProcess(request2, httpproc, context);
                    HttpResponse response2 = httpexecutor.execute(request2, conn, context);
                    System.out.println("Twitter.updateStatusWithMedia(): ... done. Postprocessing...");
                    response2.setParams(params);
                    httpexecutor.postProcess(response2, httpproc, context);
                    String responseBody = EntityUtils.toString(response2.getEntity());
                    System.out.println("Twitter.updateStatusWithMedia(): done. response=" + responseBody);
                    // error checking here. Otherwise, status should be updated.
                    jsonresponse = new JSONObject(responseBody);
                    if (jsonresponse.has("errors")) {
                        JSONObject temp_jo = new JSONObject();
                        temp_jo.put("response_status", "error");
                        temp_jo.put("message",
                                jsonresponse.getJSONArray("errors").getJSONObject(0).getString("message"));
                        temp_jo.put("twitter_code",
                                jsonresponse.getJSONArray("errors").getJSONObject(0).getInt("code"));
                        jsonresponse = temp_jo;
                    }

                    // add it to the media_ids string
                    ids += jsonresponse.getString("media_id_string");
                    if (i != pics.length - 1) {
                        ids += ",";
                    }

                    conn.close();
                } catch (HttpException he) {
                    System.out.println(he.getMessage());
                    jsonresponse.put("response_status", "error");
                    jsonresponse.put("message",
                            "updateStatusWithMedia HttpException message=" + he.getMessage());
                    return null;
                } catch (NoSuchAlgorithmException nsae) {
                    System.out.println(nsae.getMessage());
                    jsonresponse.put("response_status", "error");
                    jsonresponse.put("message",
                            "updateStatusWithMedia NoSuchAlgorithmException message=" + nsae.getMessage());
                    return null;
                } catch (KeyManagementException kme) {
                    System.out.println(kme.getMessage());
                    jsonresponse.put("response_status", "error");
                    jsonresponse.put("message",
                            "updateStatusWithMedia KeyManagementException message=" + kme.getMessage());
                    return null;
                } finally {
                    conn.close();
                }
            } catch (IOException ioe) {
                ioe.printStackTrace();
                jsonresponse.put("response_status", "error");
                jsonresponse.put("message", "updateStatusWithMedia IOException message=" + ioe.getMessage());
                return null;
            }
        } catch (Exception e) {
            return null;
        }

    }
    return ids;
}

From source file:com.grendelscan.commons.http.apache_overrides.client.CustomClientRequestDirector.java

/**
 * Creates a tunnel to the target server.
 * The connection must be established to the (last) proxy.
 * A CONNECT request for tunnelling through the proxy will
 * be created and sent, the response received and checked.
 * This method does <i>not</i> update the connection with
 * information about the tunnel, that is left to the caller.
 * //from w ww . j  a va  2 s .co m
 * @param route
 *            the route to establish
 * @param context
 *            the context for request execution
 * 
 * @return <code>true</code> if the tunnelled route is secure,
 *         <code>false</code> otherwise.
 *         The implementation here always returns <code>false</code>,
 *         but derived classes may override.
 * 
 * @throws HttpException
 *             in case of a problem
 * @throws IOException
 *             in case of an IO problem
 */
private boolean createTunnelToTarget(HttpRoute route, HttpContext context) throws HttpException, IOException {

    HttpHost proxy = route.getProxyHost();
    HttpHost target = route.getTargetHost();
    HttpResponse response = null;

    boolean done = false;
    while (!done) {

        done = true;

        if (!managedConn.isOpen()) {
            managedConn.open(route, context, params);
        }

        HttpRequest connect = createConnectRequest(route);
        connect.setParams(params);

        // Populate the execution context
        context.setAttribute(ExecutionContext.HTTP_TARGET_HOST, target);
        context.setAttribute(ExecutionContext.HTTP_PROXY_HOST, proxy);
        context.setAttribute(ExecutionContext.HTTP_CONNECTION, managedConn);
        context.setAttribute(ClientContext.TARGET_AUTH_STATE, targetAuthState);
        context.setAttribute(ClientContext.PROXY_AUTH_STATE, proxyAuthState);
        context.setAttribute(ExecutionContext.HTTP_REQUEST, connect);

        requestExec.preProcess(connect, httpProcessor, context);

        response = requestExec.execute(connect, managedConn, context);

        response.setParams(params);
        requestExec.postProcess(response, httpProcessor, context);

        int status = response.getStatusLine().getStatusCode();
        if (status < 200) {
            throw new HttpException("Unexpected response to CONNECT request: " + response.getStatusLine());
        }

        CredentialsProvider credsProvider = (CredentialsProvider) context
                .getAttribute(ClientContext.CREDS_PROVIDER);

        if ((credsProvider != null) && HttpClientParams.isAuthenticating(params)) {
            if (proxyAuthHandler.isAuthenticationRequested(response, context)) {

                LOGGER.debug("Proxy requested authentication");
                Map<String, Header> challenges = proxyAuthHandler.getChallenges(response, context);
                try {
                    processChallenges(challenges, proxyAuthState, proxyAuthHandler, response, context);
                } catch (AuthenticationException ex) {
                    LOGGER.warn("Authentication error: " + ex.getMessage());
                }
                updateAuthState(proxyAuthState, proxy, credsProvider);

                if (proxyAuthState.getCredentials() != null) {
                    done = false;

                    // Retry request
                    if (reuseStrategy.keepAlive(response, context)) {
                        LOGGER.debug("Connection kept alive");
                        // Consume response content
                        HttpEntity entity = response.getEntity();
                        if (entity != null) {
                            entity.consumeContent();
                        }
                    } else {
                        managedConn.close();
                    }

                }

            } else {
                // Reset proxy auth scope
                proxyAuthState.setAuthScope(null);
            }
        }
    }

    int status = response.getStatusLine().getStatusCode(); // can't be null

    if (status > 299) {

        // Buffer response content
        HttpEntity entity = response.getEntity();
        if (entity != null) {
            response.setEntity(new BufferedHttpEntity(entity));
        }

        managedConn.close();
        throw new TunnelRefusedException("CONNECT refused by proxy: " + response.getStatusLine(), response);
    }

    managedConn.markReusable();

    // How to decide on security of the tunnelled connection?
    // The socket factory knows only about the segment to the proxy.
    // Even if that is secure, the hop to the target may be insecure.
    // Leave it to derived classes, consider insecure by default here.
    return false;

}

From source file:org.ellis.yun.search.test.httpclient.HttpClientTest.java

@Test
public void testKeepAliveTime() throws Exception {
    DefaultHttpClient httpclient = new DefaultHttpClient();
    // httpContext ?httpClienthttp?
    HttpContext httpContext = new BasicHttpContext();
    HttpGet httpGet = new HttpGet("http://www.baidu.com");
    httpclient.setKeepAliveStrategy(new ConnectionKeepAliveStrategy() {

        public long getKeepAliveDuration(HttpResponse response, HttpContext context) {

            // ?Keep-Alive?
            HeaderIterator hit = response.headerIterator(HTTP.CONN_KEEP_ALIVE);
            HeaderElementIterator it = new BasicHeaderElementIterator(hit);
            while (it.hasNext()) {
                HeaderElement element = it.nextElement();
                String name = element.getName();
                String value = element.getValue();
                if ("timeout".equalsIgnoreCase(name) && !StringUtils.isBlank(value)) {
                    return Long.parseLong(value) * 1000;
                }/*from www  .  ja  v a  2s . com*/
            }

            HttpHost target = (HttpHost) context.getAttribute(ExecutionContext.HTTP_TARGET_HOST);

            if ("www.baidu.com".equalsIgnoreCase(target.getHostName())) {
                // ???5
                return 5 * 1000;
            } else {
                // ???30
                return 30 * 1000;
            }
        }
    });

    HttpResponse response = httpclient.execute(httpGet, httpContext);
    String content = parseEntity(response.getEntity());
    System.out.println(content);

    System.out.println("=============================================\n");

    // ?Keep-Alive?
    HeaderIterator hit = response.headerIterator();
    HeaderElementIterator it = new BasicHeaderElementIterator(hit);
    while (it.hasNext()) {
        HeaderElement element = it.nextElement();
        String name = element.getName();
        String value = element.getValue();
        System.out.println(" ==> " + name + " >> " + value);
    }
}

From source file:net.oddsoftware.android.feedscribe.data.FeedManager.java

void downloadFeedHttp(Feed feed, FeedStatus feedStatus, ArrayList<FeedItem> feedItems,
        ArrayList<Enclosure> enclosures) {
    try {//from w ww. j  ava  2 s  .co m
        // use apache http client lib to set parameters from feedStatus
        DefaultHttpClient client = new DefaultHttpClient();

        // set up proxy handler
        ProxySelectorRoutePlanner routePlanner = new ProxySelectorRoutePlanner(
                client.getConnectionManager().getSchemeRegistry(), ProxySelector.getDefault());
        client.setRoutePlanner(routePlanner);

        HttpGet request = new HttpGet(feed.mURL);

        HttpContext httpContext = new BasicHttpContext();

        request.setHeader("User-Agent", USER_AGENT);

        // send etag if we have it
        if (feedStatus.mETag.length() > 0) {
            request.setHeader("If-None-Match", feedStatus.mETag);
        }

        // send If-Modified-Since if we have it
        if (feedStatus.mLastModified.getTime() > 0) {
            SimpleDateFormat dateFormat = new SimpleDateFormat("EEE', 'dd' 'MMM' 'yyyy' 'HH:mm:ss' GMT'",
                    Locale.US);
            dateFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
            String formattedTime = dateFormat.format(feedStatus.mLastModified);
            // If-Modified-Since: Sat, 29 Oct 1994 19:43:31 GMT
            request.setHeader("If-Modified-Since", formattedTime);
        }

        request.setHeader("Accept-Encoding", "gzip,deflate");
        HttpResponse response = client.execute(request, httpContext);

        if (mLog.d())
            mLog.d("http request: " + feed.mURL);
        if (mLog.d())
            mLog.d("http response code: " + response.getStatusLine());

        InputStream inputStream = null;

        StatusLine status = response.getStatusLine();
        HttpEntity entity = response.getEntity();

        if (entity != null) {
            inputStream = entity.getContent();
        }

        try {
            if (entity != null && status.getStatusCode() == 200) {
                Header encodingHeader = entity.getContentEncoding();

                if (encodingHeader != null) {
                    if (encodingHeader.getValue().equalsIgnoreCase("gzip")) {
                        inputStream = new GZIPInputStream(inputStream);
                    } else if (encodingHeader.getValue().equalsIgnoreCase("deflate")) {
                        inputStream = new InflaterInputStream(inputStream);
                    }
                }

                // remove caching attributes to be replaced with new ones
                feedStatus.mETag = "";
                feedStatus.mLastModified.setTime(0);
                feedStatus.mTTL = 0;

                boolean success = parseFeed(inputStream, feed, feedStatus, feedItems, enclosures);

                if (success) {
                    // if the parse was ok, update these attributes
                    // ETag: "6050003-78e5-4981d775e87c0"
                    Header etagHeader = response.getFirstHeader("ETag");
                    if (etagHeader != null) {
                        if (etagHeader.getValue().length() < MAX_ETAG_LENGTH) {
                            feedStatus.mETag = etagHeader.getValue();
                        } else {
                            mLog.e("etag length was too big: " + etagHeader.getValue().length());
                        }
                    }

                    // Last-Modified: Fri, 24 Dec 2010 00:57:11 GMT
                    Header lastModifiedHeader = response.getFirstHeader("Last-Modified");
                    if (lastModifiedHeader != null) {
                        try {
                            feedStatus.mLastModified = parseRFC822Date(lastModifiedHeader.getValue());
                        } catch (ParseException exc) {
                            mLog.e("unable to parse date", exc);
                        }
                    }

                    HttpUriRequest currentReq = (HttpUriRequest) httpContext
                            .getAttribute(ExecutionContext.HTTP_REQUEST);
                    HttpHost currentHost = (HttpHost) httpContext
                            .getAttribute(ExecutionContext.HTTP_TARGET_HOST);
                    String currentUrl = currentHost.toURI() + currentReq.getURI();

                    mLog.w("loaded redirect from " + request.getURI().toString() + " to " + currentUrl);

                    feedStatus.mLastURL = currentUrl;
                }
            } else {
                if (status.getStatusCode() == 304) {
                    mLog.d("received 304 not modified");
                }
            }
        } finally {
            if (inputStream != null) {
                inputStream.close();
            }
        }
    } catch (IOException exc) {
        mLog.e("error downloading feed " + feed.mURL, exc);
    }
}

From source file:de.escidoc.core.common.util.service.ConnectionUtility.java

/**
 * Set Authentication to a given {@link DefaultHttpClient} instance.
 * /*from  www .  j  a  v  a 2  s.c o m*/
 * @param url
 *            URL of resource.
 * @param username
 *            User name for authentication
 * @param password
 *            Password for authentication.
 * @throws WebserverSystemException
 *             Thrown if connection failed.
 */
public void setAuthentication(final DefaultHttpClient client, final URL url, final String username,
        final String password) {
    final CredentialsProvider credsProvider = new BasicCredentialsProvider();
    final AuthScope authScope = new AuthScope(url.getHost(), AuthScope.ANY_PORT, AuthScope.ANY_REALM);
    final Credentials creds = new UsernamePasswordCredentials(username, password);
    credsProvider.setCredentials(authScope, creds);
    client.setCredentialsProvider(credsProvider);
    // don't wait for auth request
    final HttpRequestInterceptor preemptiveAuth = new HttpRequestInterceptor() {

        @Override
        public void process(final HttpRequest request, final HttpContext context) {
            final AuthState authState = (AuthState) context.getAttribute(ClientContext.TARGET_AUTH_STATE);
            final CredentialsProvider credsProvider = (CredentialsProvider) context
                    .getAttribute(ClientContext.CREDS_PROVIDER);
            final HttpHost targetHost = (HttpHost) context.getAttribute(ExecutionContext.HTTP_TARGET_HOST);
            // If not auth scheme has been initialized yet
            if (authState.getAuthScheme() == null) {
                final AuthScope authScope = new AuthScope(targetHost.getHostName(), targetHost.getPort());
                // Obtain credentials matching the target host
                final Credentials creds = credsProvider.getCredentials(authScope);
                // If found, generate BasicScheme preemptively
                if (creds != null) {
                    authState.setAuthScheme(new BasicScheme());
                    authState.setCredentials(creds);
                }
            }
        }
    };
    client.addRequestInterceptor(preemptiveAuth, 0);
}

From source file:net.ben.subsonic.androidapp.service.RESTMusicService.java

private void detectRedirect(String originalUrl, Context context, HttpContext httpContext) {
    HttpUriRequest request = (HttpUriRequest) httpContext.getAttribute(ExecutionContext.HTTP_REQUEST);
    HttpHost host = (HttpHost) httpContext.getAttribute(ExecutionContext.HTTP_TARGET_HOST);
    String redirectedUrl = host.toURI() + request.getURI();

    redirectFrom = originalUrl.substring(0, originalUrl.indexOf("/rest/"));
    redirectTo = redirectedUrl.substring(0, redirectedUrl.indexOf("/rest/"));

    Log.i(TAG, redirectFrom + " redirects to " + redirectTo);
    redirectionLastChecked = System.currentTimeMillis();
    redirectionNetworkType = getCurrentNetworkType(context);
}