Пример #1
0
 public static String convertImagesToBase64(final String imageName, final byte[] imageContent) {
   if (null == imageName || null == imageContent) {
     return null;
   }
   String mimeType = null;
   if (imageName.endsWith(PDTUTILS_SVG)) {
     mimeType = PDTUTILS_IMAGE_BASE64_SVG;
   } else {
     mimeType = PDTUTILS_IMAGE_BASE64_COMMON;
   }
   return mimeType + Base64Utils.toBase64(imageContent);
 }
Пример #2
0
  /**
   * Open connection.
   *
   * @param urlString the url string
   * @param user the user
   * @param pass the pass
   * @param method the method
   * @param content the content
   * @return the uRL connection
   * @throws MalformedURLException the malformed url exception
   * @throws IOException Signals that an I/O exception has occurred.
   */
  private static URLConnection openConnection(
      String urlString,
      String user,
      String pass,
      final int method,
      String content,
      InputStream contentIs,
      boolean robustMode)
      throws MalformedURLException, IOException {
    try {
      Thread.sleep(Constants.REST_DELAY);
    } catch (InterruptedException e) {
      LOGGER.error(e.getMessage());
      e.printStackTrace();
    }
    URL url = new URL(urlString);
    boolean auth = false;
    String encoded = null;
    if (auth = (user != null && pass != null && !"".equals(user) && !"".equals(pass))) {
      String userPassword = user + ":" + pass;
      encoded = Base64Utils.toBase64(userPassword.getBytes());
    }
    URLConnection uc = null;
    OutputStreamWriter out = null;
    try {
      uc = url.openConnection();
      if (auth) {
        uc.setRequestProperty("Authorization", "Basic " + encoded);
      }
      switch (method) {
        case GET:
          break;
        case PUT:
          uc.setDoOutput(true);
          ((HttpURLConnection) uc).setRequestMethod("PUT");
          ((HttpURLConnection) uc)
              .setRequestProperty("Content-type", "text/xml; charset=" + "UTF-8");
          try {
            out = new OutputStreamWriter(uc.getOutputStream());
          } catch (IOException e) {
            e.printStackTrace();
            return uc;
          }
          try {
            if (content != null) out.write(content);
          } catch (IOException e) {
            e.printStackTrace();
            return uc;
          }
          out.flush();
          break;
        case POST:
          uc.setDoOutput(true);
          uc.setDoInput(true);
          ((HttpURLConnection) uc).setRequestMethod("POST");
          ((HttpURLConnection) uc)
              .setRequestProperty("Content-type", "text/xml; charset=" + "UTF-8");
          try {
            out = new OutputStreamWriter(uc.getOutputStream());
          } catch (IOException e) {
            e.printStackTrace();
            return uc;
          }
          OutputStream os = null;
          try {
            if (content != null) {
              out.write(content);
            } else if (contentIs != null) {
              os = uc.getOutputStream();
              IOUtils.copyStreams(contentIs, os);
            }
          } catch (IOException e) {
            e.printStackTrace();
            return uc;
          }
          if (os != null) {
            os.flush();
          } else {
            out.flush();
          }

          break;
        case DELETE:
          uc.setDoOutput(true);
          uc.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
          ((HttpURLConnection) uc).setRequestMethod("DELETE");
          break;
      }

      int resp = ((HttpURLConnection) uc).getResponseCode();
      if (resp < 200 || resp >= 308) {
        if (robustMode) {
          return null;
        } else {
          if (uc != null) LOGGER.error(convertStreamToString(uc.getInputStream()));
          LOGGER.error("Unable to open connection on " + urlString + "  response code: " + resp);
          throw new ConnectionException("connection to " + urlString + " cannot be established");
        }
      }
    } catch (IOException e) {
      e.printStackTrace();
      throw new ConnectionException("connection to " + urlString + " cannot be established");
    }
    return uc;
  }