示例#1
0
  /**
   * Read bytes from an InputStream and generate SAX characters events in Base64 encoding. The
   * InputStream is closed when done.
   *
   * <p>The caller has to close the stream if needed.
   */
  public static void inputStreamToBase64Characters(InputStream is, ContentHandler contentHandler) {

    try {
      final OutputStream os = new ContentHandlerOutputStream(contentHandler, false);
      NetUtils.copyStream(new BufferedInputStream(is), os);
      os.close(); // necessary with ContentHandlerOutputStream to make sure all extra characters
      // are written
    } catch (Exception e) {
      throw new OXFException(e);
    }
  }
示例#2
0
  public void write(SecureItemTable tbl, char[] password) throws IOException {
    OutputStream os = new FileOutputStream(file);
    OutputStream xmlout;

    if (password.length == 0) {
      xmlout = os;
      os = null;
    } else {
      PBEKeySpec keyspec = new PBEKeySpec(password);
      Cipher c;
      try {
        SecretKeyFactory fac = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
        SecretKey key = fac.generateSecret(keyspec);

        c = Cipher.getInstance("PBEWithMD5AndDES");
        c.init(Cipher.ENCRYPT_MODE, key, pbeSpec);
      } catch (java.security.GeneralSecurityException exc) {
        os.close();
        IOException ioe = new IOException("Security exception during write");
        ioe.initCause(exc);
        throw ioe;
      }

      CipherOutputStream out = new CipherOutputStream(os, c);
      xmlout = out;
    }

    try {
      TransformerFactory tf = TransformerFactory.newInstance();
      Transformer t = tf.newTransformer();

      DOMSource src = new DOMSource(tbl.getDocument());
      StringWriter writer = new StringWriter();
      StreamResult sr = new StreamResult(writer);
      t.transform(src, sr);

      OutputStreamWriter osw = new OutputStreamWriter(xmlout, StandardCharsets.UTF_8);
      osw.write(writer.toString());
      osw.close();
    } catch (Exception exc) {
      IOException ioe = new IOException("Unable to serialize XML");
      ioe.initCause(exc);
      throw ioe;
    } finally {
      xmlout.close();
      if (os != null) os.close();
    }

    tbl.setDirty(false);
    return;
  }
  /**
   * This method must be invoked at the end of processing. The streams are closed and their content
   * is analyzed. Actual XSLT processing takes place here.
   */
  @SuppressWarnings("unchecked")
  void finishResponse() throws IOException {
    if (writer != null) {
      writer.close();
    } else {
      if (stream != null) stream.close();
    }

    /*
     * If we're not in passthrough mode, then we need to finalize XSLT transformation.
     */
    if (false == passthrough) {
      if (stream != null) {
        final byte[] bytes = ((DeferredOutputStream) stream).getBytes();
        final boolean processingSuppressed =
            (origRequest.getAttribute(XSLTFilterConstants.NO_XSLT_PROCESSING) != null)
                | (origRequest.getParameter(XSLTFilterConstants.NO_XSLT_PROCESSING) != null);

        if (processingSuppressed) {
          // Just copy the buffered data to the output directly.
          final OutputStream os = origResponse.getOutputStream();
          os.write(bytes);
          os.close();
        } else {
          // Otherwise apply XSLT transformation to it.
          try {
            processWithXslt(
                bytes,
                (Map<String, Object>) origRequest.getAttribute(XSLTFilterConstants.XSLT_PARAMS_MAP),
                origResponse);
          } catch (TransformerException e) {
            final Throwable t = unwrapCause(e);
            if (t instanceof IOException) {
              throw (IOException) t;
            }

            filterError("Error applying stylesheet.", e);
          }
        }
      }
    }
  }