Java BasicHttpContext類代碼示例

import org.apache.http.protocol.BasicHttpContext; //導入依賴的package包/類
public static void main(String... args) throws IOException {
    DefaultHttpClient httpclient = new DefaultHttpClient();
    List<String> authpref = new ArrayList<String>();
    authpref.add(AuthPolicy.NTLM);
    httpclient.getParams().setParameter(AuthPNames.TARGET_AUTH_PREF, authpref);
    NTCredentials creds = new NTCredentials("abhisheks", "abhiProJul17", "", "");
    httpclient.getCredentialsProvider().setCredentials(AuthScope.ANY, creds);
    HttpHost target = new HttpHost("apps.prorigo.com", 80, "http");

    // Make sure the same context is used to execute logically related requests
    HttpContext localContext = new BasicHttpContext();
    // Execute a cheap method first. This will trigger NTLM authentication
    HttpGet httpget = new HttpGet("/conference/Booking");
    HttpResponse response = httpclient.execute(target, httpget, localContext);
    HttpEntity entity = response.getEntity();
    System.out.println(EntityUtils.toString(entity));
}
 

import org.apache.http.protocol.BasicHttpContext; //導入依賴的package包/類
@Nullable
private String getModSlug0(int id)
{
    try
    {
        log.debug("Getting mod slug from server...");
        URI uri = getURI(CURSEFORGE_URL, String.format(PROJECT_PATH, id), null);
        HttpGet request = new HttpGet(uri.toURL().toString());
        HttpContext context = new BasicHttpContext();
        HttpResponse response = http.execute(request, context);
        EntityUtils.consume(response.getEntity());
        HttpUriRequest currentReq = (HttpUriRequest) context.getAttribute(HttpCoreContext.HTTP_REQUEST);
        HttpHost currentHost = (HttpHost) context.getAttribute(HttpCoreContext.HTTP_TARGET_HOST);
        String currentUrl = (currentReq.getURI().isAbsolute()) ? currentReq.getURI().toString() : (currentHost.toURI() + currentReq.getURI());
        Splitter splitter = Splitter.on('/').omitEmptyStrings();
        List<String> pathParts = splitter.splitToList(currentUrl);
        return pathParts.get(pathParts.size() - 1);
    }
    catch (Exception e)
    {
        log.error("Failed to perform request from CurseForge site.", e);
        return null;
    }
}
 

import org.apache.http.protocol.BasicHttpContext; //導入依賴的package包/類
public QMailHttpClient getHttpClient() throws MessagingException {
    if (httpClient == null) {
        httpClient = httpClientFactory.create();
        // Disable automatic redirects on the http client.
        httpClient.getParams().setBooleanParameter("http.protocol.handle-redirects", false);

        // Setup a cookie store for forms-based authentication.
        httpContext = new BasicHttpContext();
        authCookies = new BasicCookieStore();
        httpContext.setAttribute(ClientContext.COOKIE_STORE, authCookies);

        SchemeRegistry reg = httpClient.getConnectionManager().getSchemeRegistry();
        try {
            Scheme s = new Scheme("https", new WebDavSocketFactory(hostname, 443), 443);
            reg.register(s);
        } catch (NoSuchAlgorithmException nsa) {
            Timber.e(nsa, "NoSuchAlgorithmException in getHttpClient");
            throw new MessagingException("NoSuchAlgorithmException in getHttpClient: ", nsa);
        } catch (KeyManagementException kme) {
            Timber.e(kme, "KeyManagementException in getHttpClient");
            throw new MessagingException("KeyManagementException in getHttpClient: ", kme);
        }
    }
    return httpClient;
}
 

import org.apache.http.protocol.BasicHttpContext; //導入依賴的package包/類
/**
 * Returns the content read form content-source.
 * @return read {@link Content}
 */
@Override
public Content[] read(final FetchHistory lastFetch) {

	final CloseableHttpClient httpClient = HttpClients.createDefault();
	final HttpGet httpget = new HttpGet(contentSource.getUrl());
	final HttpContext context = new BasicHttpContext();

	CloseableHttpResponse response = null;
	String stringRead = null;

	try {
		try {
			LOGGER.info("Loading uri: " + httpget.getURI());
			response = httpClient.execute(httpget, context);
			final HttpEntity entity = response.getEntity();

			if (entity != null) {
				stringRead = IOUtils.toString(entity.getContent());
				LOGGER.info("Read {} bytes from: {}", stringRead.getBytes().length, httpget.getURI());
			}

		} finally {
			CloseUtil.close(response);
			CloseUtil.close(httpClient);
		}

	} catch (final Exception e) {
		LOGGER.warn("Error occurred while reading text document: " + contentSource.getUrl());
	}

	return new Content[] { createContentObject(stringRead) };
}
 

import org.apache.http.protocol.BasicHttpContext; //導入依賴的package包/類
public HttpResponse execute(HttpRequest request) throws IOException, HttpException {
  HttpParams params = new BasicHttpParams();
  HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);

  HttpProcessor processor = new ImmutableHttpProcessor(new RequestContent());

  HttpRequestExecutor executor = new HttpRequestExecutor();

  HttpContext context = new BasicHttpContext(null);
  context.setAttribute(ExecutionContext.HTTP_CONNECTION, connection);

  if (!connection.isOpen()) {
    Socket socket = new Socket(address.getAddress(), address.getPort());
    connection.bind(socket, params);
  }

  context.setAttribute(ExecutionContext.HTTP_REQUEST, request);
  request.setParams(params);
  executor.preProcess(request, processor, context);
  HttpResponse response = executor.execute(request, connection, context);
  executor.postProcess(response, processor, context);

  return response;
}
 

import org.apache.http.protocol.BasicHttpContext; //導入依賴的package包/類
protected HttpContext createHttpContext() {
    HttpContext context = new BasicHttpContext();
    context.setAttribute(
            ClientContext.SCHEME_REGISTRY,
            getConnectionManager().getSchemeRegistry());
    context.setAttribute(
            ClientContext.AUTHSCHEME_REGISTRY,
            getAuthSchemes());
    context.setAttribute(
            ClientContext.COOKIESPEC_REGISTRY,
            getCookieSpecs());
    context.setAttribute(
            ClientContext.COOKIE_STORE,
            getCookieStore());
    context.setAttribute(
            ClientContext.CREDS_PROVIDER,
            getCredentialsProvider());
    return context;
}
 

import org.apache.http.protocol.BasicHttpContext; //導入依賴的package包/類
@Test
public void logsRequestAndResponseFields() {
    HttpContext context = new BasicHttpContext();
    context.setAttribute(HTTP_TARGET_HOST, "http://www.google.com");

    OutboundRequestLoggingInterceptor interceptor = new OutboundRequestLoggingInterceptor(new FakeClock(20));

    interceptor.process(new BasicHttpRequest("GET", "/something"), context);
    interceptor.process(new BasicHttpResponse(new BasicStatusLine(ANY_PROTOCOL, 200, "any")), context);

    Map<String, Object> fields = new ConcurrentHashMap<>();
    fields.put("requestMethod", "GET");
    fields.put("requestURI", "http://www.google.com/something");
    testAppender.assertEvent(0, INFO, "Outbound request start", appendEntries(fields));

    fields.put("responseTime", 20L);
    fields.put("responseCode", 200);
    testAppender.assertEvent(1, INFO, "Outbound request finish", appendEntries(fields));
}
 

import org.apache.http.protocol.BasicHttpContext; //導入依賴的package包/類
@Test
public void allowEmptyConstructorToBuildDefaultClock() {
    testAppender.clearEvents();

    HttpContext context = new BasicHttpContext();
    context.setAttribute(HTTP_TARGET_HOST, "http://www.google.com");

    OutboundRequestLoggingInterceptor interceptor = new OutboundRequestLoggingInterceptor();

    interceptor.process(new BasicHttpRequest("GET", "/something"), context);
    interceptor.process(new BasicHttpResponse(new BasicStatusLine(ANY_PROTOCOL, 200, "any")), context);

    assertThat(testAppender.getEvents()).extracting("message")
        .contains("Outbound request start", Index.atIndex(0))
        .contains("Outbound request finish", Index.atIndex(1));
}
 

import org.apache.http.protocol.BasicHttpContext; //導入依賴的package包/類
@Test
public void testManualParentSpan() throws IOException {
    MockSpan parent = mockTracer.buildSpan("parent")
            .startManual();

    {
        ActiveSpan parentSpan = mockTracer.buildSpan("parent")
                .startActive();

        HttpContext context = new BasicHttpContext();
        context.setAttribute(Constants.PARENT_CONTEXT, parent.context());

        CloseableHttpClient client = clientBuilder.build();
        client.execute(new HttpGet(serverUrl("/echo/a")), context);
    }

    List<MockSpan> mockSpans = mockTracer.finishedSpans();
    Assert.assertEquals(2, mockSpans.size());

    Assert.assertEquals(parent.context().traceId(), mockSpans.get(1).context().traceId());
    Assert.assertEquals(parent.context().spanId(), mockSpans.get(1).parentId());

    assertLocalSpan(mockSpans.get(1));
}
 

import org.apache.http.protocol.BasicHttpContext; //導入依賴的package包/類
StatefullRestTemplate(HttpContext httpContext) {
    super();
    HttpClient httpClient = HttpClientBuilder.create().build();
    this.httpContext = httpContext == null ? new BasicHttpContext() : httpContext;
    StatefullHttpComponentsClientHttpRequestFactory statefullHttpComponentsClientHttpRequestFactory
            = new StatefullHttpComponentsClientHttpRequestFactory(httpClient, httpContext);
    super.setRequestFactory(statefullHttpComponentsClientHttpRequestFactory);
    List<HttpMessageConverter<?>> converters = this.getMessageConverters();
    for (HttpMessageConverter<?> converter : converters) {
        if (converter instanceof MappingJackson2HttpMessageConverter) {
            List<MediaType> mediaTypes = converter.getSupportedMediaTypes();
            List<MediaType> newMediaTypes = new ArrayList<>(mediaTypes);
            newMediaTypes.add(MediaType.TEXT_HTML);
            ((MappingJackson2HttpMessageConverter) converter).setSupportedMediaTypes(newMediaTypes);
        }
    }
}
 

import org.apache.http.protocol.BasicHttpContext; //導入依賴的package包/類
private byte[] downloadHTTPfile_post(String formToDownloadLocation, List<NameValuePair> params) throws IOException, NullPointerException, URISyntaxException {
  	BasicHttpContext localContext = new BasicHttpContext();
 
      LOG.info("Mimic WebDriver cookie state: " + this.mimicWebDriverCookieState);
      if (this.mimicWebDriverCookieState) {
          localContext.setAttribute(ClientContext.COOKIE_STORE, mimicCookieState(this.driver.manage().getCookies()));
      }
 
      HttpPost httppost = new HttpPost(formToDownloadLocation);
      HttpParams httpRequestParameters = httppost.getParams();
      httpRequestParameters.setParameter(ClientPNames.HANDLE_REDIRECTS, this.followRedirects);
      httppost.setParams(httpRequestParameters);
      httppost.setEntity(new UrlEncodedFormEntity(params, "UTF-8"));
      
      LOG.info("Sending POST request for: " + httppost.getURI());
      @SuppressWarnings("resource")
HttpResponse response = new DefaultHttpClient().execute(httppost, localContext);
      this.httpStatusOfLastDownloadAttempt = response.getStatusLine().getStatusCode();
      LOG.info("HTTP GET request status: " + this.httpStatusOfLastDownloadAttempt);
 
      byte[] file = IOUtils.toByteArray(response.getEntity().getContent());
      response.getEntity().getContent().close();
      return file;
  }
 

import org.apache.http.protocol.BasicHttpContext; //導入依賴的package包/類
@Test
public void testProxy() throws Exception {

    final InetAddress ia = InetAddress.getByAddress(new byte[] {
        (byte)127, (byte)0, (byte)0, (byte)1
    });
    final InetSocketAddress isa1 = new InetSocketAddress(ia, 11111);
    final InetSocketAddress isa2 = new InetSocketAddress(ia, 22222);

    final List<Proxy> proxies = new ArrayList<Proxy>(2);
    proxies.add(new Proxy(Proxy.Type.HTTP, isa1));
    proxies.add(new Proxy(Proxy.Type.HTTP, isa2));

    Mockito.when(proxySelector.select(new URI("http://somehost:80"))).thenReturn(proxies);

    final HttpHost target = new HttpHost("somehost", 80, "http");
    final HttpRequest request =
        new BasicHttpRequest("GET", "/", HttpVersion.HTTP_1_1);

    final HttpContext context = new BasicHttpContext();
    final HttpRoute route = routePlanner.determineRoute(target, request, context);

    Assert.assertEquals(target, route.getTargetHost());
    Assert.assertEquals(2, route.getHopCount());
    Assert.assertEquals(isa1.getPort(), route.getProxyHost().getPort());
}
 

import org.apache.http.protocol.BasicHttpContext; //導入依賴的package包/類
/**
 * 向指定URL發送POST方法的數據請求.
 *
 * @param url     發送請求的URL
 * @param params  請求參數k1=v1&k2=v2
 * @param encode  編碼格式
 * @param isProxy 是否使用代理
 * @return
 */
public static String sendPost(String url, String params, String encode, boolean isProxy) {
    SafeHttpClient httpClient = HttpClientFactory.getHttpClient(isProxy);
    HttpPost httpReq = new HttpPost(url);
    try {
        if (StringUtils.isNotBlank(params)) {
            // 構造最簡單的字符串數據
            StringEntity reqEntity = new StringEntity(params);
            reqEntity.setContentType("application/x-www-form-urlencoded");
            // 設置請求的數據
            httpReq.setEntity(reqEntity);
        }
        ResponseHandler<String> responseHandler = new SimpleResponseHandler(encode);
        return httpClient.execute(httpReq, responseHandler, new BasicHttpContext());
    } catch (Exception e) {
        LOGGER.error("POST請求遠程地址失敗，url:{},params:{},encode:{},isProxy:{},Exception:{}", url, params, encode,
                isProxy, ExceptionUtil.getException(e));
        httpReq.abort();
        httpClient.closeExpiredConnections();
    }
    return null;
}
 

import org.apache.http.protocol.BasicHttpContext; //導入依賴的package包/類
/**
 * 獲取遠程數據bytes
 *
 * @param url     發送請求的URL
 * @param isProxy 是否使用代理
 * @return
 */
public static byte[] sendGetBytes(String url, boolean isProxy) {
    SafeHttpClient httpClient = HttpClientFactory.getHttpClient(isProxy);
    HttpUriRequest httpReq = new HttpGet(url);
    try {
        HttpContext context = new BasicHttpContext();
        ResponseHandler<byte[]> responseHandler = new BytesResponseHandler();
        return httpClient.execute(httpReq, responseHandler, context);
    } catch (Exception e) {
        LOGGER.error("sendGetBytes請求遠程地址失敗，url:{},encode:{},Exception:{}", url, isProxy,
                ExceptionUtil.getException(e));
        httpReq.abort();
        httpClient.closeExpiredConnections();
    }
    return null;
}
 

import org.apache.http.protocol.BasicHttpContext; //導入依賴的package包/類
/** 執行網絡訪問 */
private static HttpResult execute(String url, HttpRequestBase requestBase) {
	boolean isHttps = url.startsWith("https://");//判斷是否需要采用https
	AbstractHttpClient httpClient = HttpClientFactory.create(isHttps);
	HttpContext httpContext = new SyncBasicHttpContext(new BasicHttpContext());
	HttpRequestRetryHandler retryHandler = httpClient.getHttpRequestRetryHandler();//獲取重試機製
	int retryCount = 0;
	boolean retry = true;
	while (retry) {
		try {
			HttpResponse response = httpClient.execute(requestBase, httpContext);//訪問網絡
			if (response != null) {
				return new HttpResult(response, httpClient, requestBase);
			}
		} catch (Exception e) {
			IOException ioException = new IOException(e.getMessage());
			retry = retryHandler.retryRequest(ioException, ++retryCount, httpContext);//把錯誤異常交給重試機製，以判斷是否需要采取從事
			LogUtils.e(e);
		}
	}
	return null;
}