/**
   * Parse the login page for the GALX id.
   *
   * @return GALX id
   * @throws GoogleAuthenticatorException
   */
  private String galx() throws GoogleAuthenticatorException {
    String galx = null;
    HttpGet get;
    try {
      DataConfiguration config = GoogleConfigurator.getConfiguration();

      Pattern pattern =
          Pattern.compile(config.getString("google.auth.reGalx"), Pattern.CASE_INSENSITIVE);
      get = new HttpGet(config.getString("google.auth.loginUrl"));

      HttpResponse response = _httpClient.execute(get);
      String html = GoogleUtils.toString(response.getEntity().getContent());
      // System.out.println("Page is : " + html);
      get.releaseConnection();
      Matcher matcher = pattern.matcher(html);
      if (matcher.find()) {
        galx = matcher.group(1);
      }

      if (galx == null) {
        throw new GoogleAuthenticatorException("Cannot parse GALX!");
      }
    } catch (ConfigurationException ex) {
      throw new GoogleAuthenticatorException(ex);
    } catch (ClientProtocolException ex) {
      throw new GoogleAuthenticatorException(ex);
    } catch (IOException ex) {
      throw new GoogleAuthenticatorException(ex);
    }

    // printCookies();

    return galx;
  }
Esempio n. 2
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  /**
   * This method retrieves data using HTTP or HTTPS protocol and 'get' method.
   *
   * @param url
   * @return
   */
  protected byte[] httpGet(String url) {

    HttpGet httpRequest = null;
    HttpResponse httpResponse = null;
    try {

      final URI uri = URI.create(url.trim());
      httpRequest = new HttpGet(uri);
      if (contentType != null) {
        httpRequest.setHeader(CONTENT_TYPE, contentType);
      }

      httpResponse = getHttpResponse(httpRequest, url);

      final byte[] returnedBytes = readHttpResponse(url, httpResponse);
      return returnedBytes;
    } finally {
      if (httpRequest != null) {
        httpRequest.releaseConnection();
      }
      if (httpResponse != null) {
        EntityUtils.consumeQuietly(httpResponse.getEntity());
      }
    }
  }
 private boolean isClassAvailableToDeployment(String deploymentName, Class<?> clazz)
     throws IOException, HttpException {
   String className = clazz.getName();
   String CONTEXT_URL = PortProviderUtil.generateURL("/", deploymentName);
   HttpGet httpget =
       new HttpGet(
           CONTEXT_URL
               + TestResource.LOAD_CLASS_PATH
               + "?"
               + TestResource.CLASSNAME_PARAM
               + "="
               + className);
   try {
     String responseString = new String();
     HttpClientContext context = HttpClientContext.create();
     CloseableHttpResponse response = client.execute(httpget, context);
     HttpEntity entity = response.getEntity();
     if (entity != null) {
       responseString = EntityUtils.toString(entity, StandardCharsets.UTF_8);
     }
     return (HttpStatus.SC_OK == response.getStatusLine().getStatusCode())
         && (className.equals(responseString));
   } finally {
     httpget.releaseConnection();
   }
 }
Esempio n. 4
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  @Override
  public Map<String, Optional<BigDecimal>> check(Check check) throws Exception {

    String formattedQuery =
        String.format(QUERY_STRING, new DateTime().getMillis(), check.getTarget());
    URI uri =
        new URI(graphiteScheme, graphiteHost, graphitePath + "/render/", formattedQuery, null);
    System.out.println(uri.toString());
    HttpGet get = new HttpGet(uri);
    Map<String, Optional<BigDecimal>> targetValues = new HashMap<String, Optional<BigDecimal>>();

    try {
      JsonNode response = client.execute(get, handler);
      for (JsonNode metric : response) {
        String target = metric.path("target").asText();

        try {
          BigDecimal value = getLatestValue(metric);
          targetValues.put(target, Optional.of(value));
        } catch (InvalidGraphiteValueException e) {
          // Silence these - we don't know what's causing Graphite to return null values
          LOGGER.warn(check.getName() + " failed to read from Graphite", e);
          targetValues.put(target, Optional.<BigDecimal>absent());
        }
      }
    } catch (Exception e) {
      LOGGER.warn(check.getName() + " failed to read from Graphite", e);
    } finally {
      get.releaseConnection();
    }

    return targetValues;
  }
Esempio n. 5
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  public String getTravelAds() throws HooklogicException {
    String hlFullUrl =
        winningTravelAdsUrlPrefix
            + "/WinningTravelAds"
            + "?domain=www.hotels.com"
            + "&culture=en_US"
            + "&currency=GBP"
            + "&destRegion=3D931ACE-E3FE-46B4-A243-61D44A22053B"
            + "&checkIn=2013-10-16"
            + "&checkOut=2013-10-17"
            + "&rooms=1"
            + "&adults=2"
            + "&children=0"
            + "&userAuthenticated=false"
            + "&userIP=127.0.0.1"
            + "&userAgent=Mozillav"
            + "&hlUserData=DX-Lqi9WiZlSeb80sMGK4uQ0z.SHA&maxRequested=15"
            + "&userGuid=365cd652-79e8-4970-b823-b6b87d5e93b4";

    DefaultHttpClient httpclient = new DefaultHttpClient();
    HttpGet httpGet = new HttpGet(hlFullUrl);
    String responseStr = "";

    try {
      HttpResponse testResponse = httpclient.execute(httpGet);
      responseStr = EntityUtils.toString(testResponse.getEntity());
    } catch (Exception e) {
      throw new HooklogicException(e);
    } finally {
      httpGet.releaseConnection();
    }

    return responseStr;
  }
Esempio n. 6
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 public static IMHttpResponse get(String url) {
   IMHttpResponse response = new IMHttpResponse();
   response.setStatusCode(404);
   if (StringUtils.isEmpty(url)) {
     return response;
   }
   int statusCode = 404;
   CloseableHttpClient httpClient = null;
   HttpGet httpGet = null;
   try {
     httpClient = HttpClients.createDefault();
     httpGet = new HttpGet(url); // HTTP Get请求(POST雷同)
     RequestConfig requestConfig =
         RequestConfig.custom()
             .setSocketTimeout(2000)
             .setConnectTimeout(2000)
             .build(); // 设置请求和传输超时时间
     httpGet.setConfig(requestConfig);
     CloseableHttpResponse hresp = httpClient.execute(httpGet); // 执行请求
     String responseString = EntityUtils.toString(hresp.getEntity());
     response.setStatusCode(hresp.getStatusLine().getStatusCode());
     response.setResponseBody(responseString);
     return response;
   } catch (Exception e) {
     logger.error("error code: " + statusCode, e);
   } finally {
     if (httpGet != null) {
       httpGet.releaseConnection();
     }
   }
   return response;
 }
Esempio n. 7
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 /**
  * Given a URL to post a GET request, this method compares the actual status code of the response
  * with an expected status code.
  *
  * @param msg Error message that should be displayed if the actual response does not match the
  *     expected response
  * @param url URL to be used to execute the GET request
  * @param statusCode expected status code of response
  * @throws Exception
  */
 protected void assertUrlResponse(String msg, String url, int statusCode) throws Exception {
   HttpGet get = obtainGetMethod(new URI(null, url, null).toString());
   HttpResponse httpResponse = perform(get);
   EntityUtils.consume(httpResponse.getEntity());
   get.releaseConnection();
   int status = getStatusCode(httpResponse);
   assertEquals(msg, statusCode, status);
 }
Esempio n. 8
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  /**
   * @param url
   * @param paramMap 不定长度 如果长度为2则head+params,否则param
   */
  public static String returnGet(String url, JSONObject... paramList) {
    HttpClient httpclient = new DefaultHttpClient();
    JSONObject headMap = null;
    JSONObject paramMap = null;
    String result = "";
    try {
      HttpGet httpget = new HttpGet(url);
      //			httpget=setBrowHead(httpget);
      if (paramList == null || paramList.length == 0) {

      } else if (paramList.length == 1) {
        paramMap = paramList[0];
      } else if (paramList.length == 2) {
        headMap = paramList[0];
        paramMap = paramList[1];
      }

      if (headMap != null && headMap.size() > 0) {
        for (Entry entry : headMap.entrySet()) {
          httpget.setHeader(entry.getKey().toString(), entry.getValue().toString());
        }
      }

      if (paramMap != null && paramMap.size() > 0) {
        List<NameValuePair> params = new ArrayList<NameValuePair>();
        for (Entry entry : paramMap.entrySet()) {
          params.add(
              new BasicNameValuePair(entry.getKey().toString(), entry.getValue().toString()));
        }
        String str = EntityUtils.toString(new UrlEncodedFormEntity(params, "utf-8"));
        httpget.setURI(new URI(httpget.getURI().toString() + "?" + str));
      }
      // 执行get请求.
      HttpResponse response = httpclient.execute(httpget);
      // 获取响应实体
      HttpEntity entity = response.getEntity();
      try {
        System.out.println("--------------------------------------");
        // 打印响应状态
        System.out.println(response.getStatusLine());
        if (entity != null) {
          // 打印响应内容长度
          System.out.println("Response content length: " + entity.getContentLength());
          result = EntityUtils.toString(entity);
          // 打印响应内容
          System.out.println("Response content: " + result);
        }
        System.out.println("------------------------------------");
      } finally {
        httpget.releaseConnection();
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
    return result;
  }
Esempio n. 9
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 public String get(String url) {
   HttpGet get = new HttpGet(getProtocol() + getHost() + "/" + url);
   get.setHeader("Content-Type", "application/xml");
   get.setHeader(
       "User-Agent",
       "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_4; en-us) AppleWebKit/533.16 (KHTML, like Gecko) Version/5.0 Safari/533.16");
   try {
     HttpResponse response = getClient().execute(get);
     verify(response.getStatusLine().getStatusCode());
     return EntityUtils.toString(response.getEntity());
   } catch (IOException e) {
     throw new RuntimeException(e);
   } finally {
     get.releaseConnection();
   }
 }
  private void assertResponse(String deploymentName) throws IOException, HttpException {

    String CONTEXT_URL = PortProviderUtil.generateURL("/", deploymentName);

    HttpGet httpget = new HttpGet(CONTEXT_URL + TestResource.TEST_PATH);

    HttpClientContext context = HttpClientContext.create();
    CloseableHttpResponse response = client.execute(httpget, context);
    assertEquals(HttpStatus.SC_OK, response.getStatusLine().getStatusCode());
    HttpEntity entity = response.getEntity();
    String responseString = EntityUtils.toString(entity, StandardCharsets.UTF_8);
    assertEquals(
        "The server resource didn't send correct response",
        TestResource.TEST_RESPONSE,
        responseString);
    httpget.releaseConnection();
  }
  public String getBody(String url) throws IOException {
    DefaultHttpClient httpclient = new DefaultHttpClient();
    HttpGet httpGet = new HttpGet(url);

    try {
      HttpResponse response = httpclient.execute(httpGet);
      HttpEntity entity = response.getEntity();

      final String encoding =
          entity.getContentEncoding() != null ? entity.getContentEncoding().getValue() : "UTF-8";

      final String body = (readBody(entity, encoding));

      EntityUtils.consume(entity);
      return body;
    } finally {
      httpGet.releaseConnection();
    }
  }
Esempio n. 12
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  /**
   * Get data via HTTP as an InputStream, following redirects, and supplying credentials if the host
   * is the Fedora server.
   */
  public InputStream get(String url) throws IOException {
    HttpGet get = null;
    boolean ok = false;
    try {
      // don't bother with challenges
      DefaultHttpClient client = new PreemptiveAuth(m_cManager);
      client.getParams().setIntParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 20000);
      client.getCredentialsProvider().setCredentials(m_authScope, m_creds);
      int redirectCount = 0; // how many redirects did we follow
      int resultCode = 300; // not really, but enter the loop that way
      Dimension d = null;
      HttpResponse response = null;
      while (resultCode > 299 && resultCode < 400 && redirectCount < 25) {
        get = new HttpGet(url);
        client.getParams().setBooleanParameter(ClientPNames.HANDLE_REDIRECTS, true);
        if (Administrator.INSTANCE != null) {
          d = Administrator.PROGRESS.getSize();
          // if they're using Administrator, tell them we're downloading...
          Administrator.PROGRESS.setString("Downloading " + url + " . . .");
          Administrator.PROGRESS.setValue(100);
          Administrator.PROGRESS.paintImmediately(
              0, 0, (int) d.getWidth() - 1, (int) d.getHeight() - 1);
        }
        response = client.execute(get);
        resultCode = response.getStatusLine().getStatusCode();
        if (resultCode > 299 && resultCode < 400) {
          redirectCount++;
          url = response.getFirstHeader(HttpHeaders.LOCATION).getValue();
        }
      }
      if (resultCode != 200) {
        System.err.println(EntityUtils.toString(response.getEntity()));
        throw new IOException(
            "Server returned error: "
                + resultCode
                + " "
                + response.getStatusLine().getReasonPhrase());
      }
      ok = true;
      if (Administrator.INSTANCE != null) {
        // cache it to a file
        File tempFile = File.createTempFile("fedora-client-download-", null);
        tempFile.deleteOnExit();
        HashMap PARMS = new HashMap();
        PARMS.put("in", response.getEntity().getContent());
        PARMS.put("out", new FileOutputStream(tempFile));
        // do the actual download in a safe thread
        SwingWorker worker =
            new SwingWorker(PARMS) {

              @Override
              public Object construct() {
                try {
                  StreamUtility.pipeStream(
                      (InputStream) parms.get("in"), (OutputStream) parms.get("out"), 8192);
                } catch (Exception e) {
                  thrownException = e;
                }
                return "";
              }
            };
        worker.start();
        // The following code will run in the (safe)
        // Swing event dispatcher thread.
        int ms = 200;
        while (!worker.done) {
          try {
            Administrator.PROGRESS.setValue(ms);
            Administrator.PROGRESS.paintImmediately(
                0, 0, (int) d.getWidth() - 1, (int) d.getHeight() - 1);
            Thread.sleep(100);
            ms = ms + 100;
            if (ms >= 2000) {
              ms = 200;
            }
          } catch (InterruptedException ie) {
          }
        }
        if (worker.thrownException != null) {
          throw worker.thrownException;
        }
        Administrator.PROGRESS.setValue(2000);
        Administrator.PROGRESS.paintImmediately(
            0, 0, (int) d.getWidth() - 1, (int) d.getHeight() - 1);
        try {
          Thread.sleep(100);
        } catch (InterruptedException ie) {
        }
        ((InputStream) PARMS.get("in")).close();
        return new FileInputStream(tempFile);
      }
      return response.getEntity().getContent();
    } catch (Exception e) {
      throw new IOException(e.getMessage());
    } finally {
      if (get != null && !ok) {
        get.releaseConnection();
      }
      if (Administrator.INSTANCE != null) {
        Administrator.PROGRESS.setValue(0);
        Administrator.PROGRESS.setString("");
      }
    }
  }
  /** @see org.xml.sax.EntityResolver#resolveEntity(java.lang.String, java.lang.String) */
  @Override
  public InputSource resolveEntity(String publicId, String systemId)
      throws SAXException, IOException {
    if (requestsLeft > -1) {
      if (requestsLeft == 0) {
        throw new IOException("Number of permitted HTTP requests exceeded.");
      } else {
        requestsLeft--;
      }
    }
    HttpGet m = null;
    try {
      URL url;
      try {
        url = URL.parse(systemId);
      } catch (GalimatiasParseException e) {
        IOException ioe = (IOException) new IOException(e.getMessage()).initCause(e);
        SAXParseException spe =
            new SAXParseException(e.getMessage(), publicId, systemId, -1, -1, ioe);
        if (errorHandler != null) {
          errorHandler.fatalError(spe);
        }
        throw spe;
      }
      String scheme = url.scheme();
      if (!("http".equals(scheme) || "https".equals(scheme))) {
        String msg = "Unsupported URI scheme: \u201C" + scheme + "\u201D.";
        SAXParseException spe =
            new SAXParseException(msg, publicId, systemId, -1, -1, new IOException(msg));
        if (errorHandler != null) {
          errorHandler.fatalError(spe);
        }
        throw spe;
      }
      systemId = url.toString();
      try {
        m = new HttpGet(systemId);
      } catch (IllegalArgumentException e) {
        SAXParseException spe =
            new SAXParseException(
                e.getMessage(),
                publicId,
                systemId,
                -1,
                -1,
                (IOException) new IOException(e.getMessage()).initCause(e));
        if (errorHandler != null) {
          errorHandler.fatalError(spe);
        }
        throw spe;
      }
      m.setHeader("User-Agent", userAgent);
      m.setHeader("Accept", buildAccept());
      m.setHeader("Accept-Encoding", "gzip");
      log4j.info(systemId);
      HttpResponse response = client.execute(m);
      int statusCode = response.getStatusLine().getStatusCode();
      if (statusCode != 200) {
        String msg =
            "HTTP resource not retrievable. The HTTP status from the remote server was: "
                + statusCode
                + ".";
        SAXParseException spe =
            new SAXParseException(
                msg, publicId, m.getURI().toString(), -1, -1, new IOException(msg));
        if (errorHandler != null) {
          errorHandler.fatalError(spe);
        }
        throw spe;
      }
      HttpEntity entity = response.getEntity();
      long len = entity.getContentLength();
      if (sizeLimit > -1 && len > sizeLimit) {
        SAXParseException spe =
            new SAXParseException(
                "Resource size exceeds limit.",
                publicId,
                m.getURI().toString(),
                -1,
                -1,
                new StreamBoundException("Resource size exceeds limit."));
        if (errorHandler != null) {
          errorHandler.fatalError(spe);
        }
        throw spe;
      }
      TypedInputSource is;
      org.apache.http.Header ct = response.getFirstHeader("Content-Type");
      String contentType = null;
      final String baseUri = m.getURI().toString();
      if (ct != null) {
        contentType = ct.getValue();
      }
      is = contentTypeParser.buildTypedInputSource(baseUri, publicId, contentType);

      Header cl = response.getFirstHeader("Content-Language");
      if (cl != null) {
        is.setLanguage(cl.getValue().trim());
      }

      Header xuac = response.getFirstHeader("X-UA-Compatible");
      if (xuac != null) {
        String val = xuac.getValue().trim();
        if (!"ie=edge".equalsIgnoreCase(val)) {
          SAXParseException spe =
              new SAXParseException(
                  "X-UA-Compatible HTTP header must have the value \u201CIE=edge\u201D,"
                      + " was \u201C"
                      + val
                      + "\u201D.",
                  publicId,
                  systemId,
                  -1,
                  -1);
          errorHandler.error(spe);
        }
      }

      Header csp = response.getFirstHeader("Content-Security-Policy");
      if (csp != null) {
        try {
          ContentSecurityPolicy.THE_INSTANCE.checkValid(csp.getValue().trim());
        } catch (DatatypeException e) {
          SAXParseException spe =
              new SAXParseException(
                  "Content-Security-Policy HTTP header: " + e.getMessage(),
                  publicId,
                  systemId,
                  -1,
                  -1);
          Html5DatatypeException ex5 = (Html5DatatypeException) e;
          if (ex5.isWarning()) {
            errorHandler.warning(spe);
          } else {
            errorHandler.error(spe);
          }
        }
      }

      final HttpGet meth = m;
      InputStream stream = entity.getContent();
      if (sizeLimit > -1) {
        stream = new BoundedInputStream(stream, sizeLimit, baseUri);
      }
      Header ce = response.getFirstHeader("Content-Encoding");
      if (ce != null) {
        String val = ce.getValue().trim();
        if ("gzip".equalsIgnoreCase(val) || "x-gzip".equalsIgnoreCase(val)) {
          stream = new GZIPInputStream(stream);
          if (sizeLimit > -1) {
            stream = new BoundedInputStream(stream, sizeLimit, baseUri);
          }
        }
      }
      is.setByteStream(
          new ObservableInputStream(
              stream,
              new StreamObserver() {
                private final Logger log4j =
                    Logger.getLogger("nu.validator.xml.PrudentEntityResolver.StreamObserver");

                private boolean released = false;

                @Override
                public void closeCalled() {
                  log4j.debug("closeCalled");
                  if (!released) {
                    log4j.debug("closeCalled, not yet released");
                    released = true;
                    try {
                      meth.releaseConnection();
                    } catch (Exception e) {
                      log4j.debug("closeCalled, releaseConnection", e);
                    }
                  }
                }

                @Override
                public void exceptionOccurred(Exception ex) throws IOException {
                  if (!released) {
                    released = true;
                    try {
                      meth.abort();
                    } catch (Exception e) {
                      log4j.debug("exceptionOccurred, abort", e);
                    } finally {
                      try {
                        meth.releaseConnection();
                      } catch (Exception e) {
                        log4j.debug("exceptionOccurred, releaseConnection", e);
                      }
                    }
                  }
                  if (ex instanceof SystemIdIOException) {
                    throw (SystemIdIOException) ex;
                  } else if (ex instanceof IOException) {
                    IOException ioe = (IOException) ex;
                    throw new SystemIdIOException(baseUri, ioe.getMessage(), ioe);
                  } else if (ex instanceof RuntimeException) {
                    throw (RuntimeException) ex;
                  } else {
                    throw new RuntimeException("API contract violation. Wrong exception type.", ex);
                  }
                }

                @Override
                public void finalizerCalled() {
                  if (!released) {
                    released = true;
                    try {
                      meth.abort();
                    } catch (Exception e) {
                      log4j.debug("finalizerCalled, abort", e);
                    } finally {
                      try {
                        meth.releaseConnection();
                      } catch (Exception e) {
                        log4j.debug("finalizerCalled, releaseConnection", e);
                      }
                    }
                  }
                }
              }));
      return is;
    } catch (IOException | RuntimeException | SAXException e) {
      if (m != null) {
        try {
          m.abort();
        } catch (Exception ex) {
          log4j.debug("abort", ex);
        } finally {
          try {
            m.releaseConnection();
          } catch (Exception ex) {
            log4j.debug("releaseConnection", ex);
          }
        }
      }
      throw e;
    }
  }
Esempio n. 14
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  /**
   * Retrieve the data for a resource using the given http client and endpoint definition. The
   * service is supposed to manage the connection handling itself. See {@link AbstractHttpProvider}
   * for a generic implementation of this method.
   *
   * @param resource the resource to be retrieved
   * @param endpoint the endpoint definition
   * @return a completely specified client response, including expiry information and the set of
   *     triples
   */
  @Override
  public ClientResponse retrieveResource(String resource, LDClientService client, Endpoint endpoint)
      throws DataRetrievalException {

    try {

      String contentType;
      if (endpoint != null && endpoint.getContentTypes().size() > 0) {
        contentType =
            CollectionUtils.fold(
                endpoint.getContentTypes(),
                new CollectionUtils.StringSerializer<ContentType>() {
                  @Override
                  public String serialize(ContentType contentType) {
                    return contentType.toString("q");
                  }
                },
                ",");
      } else {
        contentType = CollectionUtils.fold(Arrays.asList(listMimeTypes()), ",");
      }

      long defaultExpires = client.getClientConfiguration().getDefaultExpiry();
      if (endpoint != null && endpoint.getDefaultExpiry() != null) {
        defaultExpires = endpoint.getDefaultExpiry();
      }

      final ResponseHandler handler = new ResponseHandler(resource, endpoint);

      // a queue for queuing the request URLs needed to build the query response
      Queue<String> requestUrls = new LinkedList<String>();
      requestUrls.addAll(buildRequestUrl(resource, endpoint));

      Set<String> visited = new HashSet<String>();

      String requestUrl = requestUrls.poll();
      while (requestUrl != null) {

        if (!visited.contains(requestUrl)) {
          HttpGet get = new HttpGet(requestUrl);
          try {
            get.setHeader("Accept", contentType);
            get.setHeader("Accept-Language", "*"); // PoolParty compatibility

            log.info(
                "retrieving resource data for {} from '{}' endpoint, request URI is <{}>",
                new Object[] {resource, getName(), get.getURI().toASCIIString()});

            handler.requestUrl = requestUrl;
            List<String> additionalRequestUrls = client.getClient().execute(get, handler);
            requestUrls.addAll(additionalRequestUrls);

            visited.add(requestUrl);
          } finally {
            get.releaseConnection();
          }
        }

        requestUrl = requestUrls.poll();
      }

      Date expiresDate = handler.expiresDate;
      if (expiresDate == null) {
        expiresDate = new Date(System.currentTimeMillis() + defaultExpires * 1000);
      }

      long min_expires =
          System.currentTimeMillis() + client.getClientConfiguration().getMinimumExpiry() * 1000;
      if (expiresDate.getTime() < min_expires) {
        log.info(
            "expiry time returned by request lower than minimum expiration time; using minimum time instead");
        expiresDate = new Date(min_expires);
      }

      if (log.isInfoEnabled()) {
        RepositoryConnection con = handler.triples.getConnection();
        log.info(
            "retrieved {} triples for resource {}; expiry date: {}",
            new Object[] {con.size(), resource, expiresDate});
        con.close();
      }

      ClientResponse result = new ClientResponse(handler.httpStatus, handler.triples);
      result.setExpires(expiresDate);
      return result;
    } catch (RepositoryException e) {
      log.error("error while initialising Sesame repository; classpath problem?", e);
      throw new DataRetrievalException(
          "error while initialising Sesame repository; classpath problem?", e);
    } catch (ClientProtocolException e) {
      log.error(
          "HTTP client error while trying to retrieve resource {}: {}", resource, e.getMessage());
      throw new DataRetrievalException(
          "I/O error while trying to retrieve resource " + resource, e);
    } catch (IOException e) {
      log.error("I/O error while trying to retrieve resource {}: {}", resource, e.getMessage());
      throw new DataRetrievalException(
          "I/O error while trying to retrieve resource " + resource, e);
    } catch (RuntimeException ex) {
      log.error(
          "Unknown error while trying to retrieve resource {}: {}", resource, ex.getMessage());
      throw new DataRetrievalException(
          "Unknown error while trying to retrieve resource " + resource, ex);
    }
  }