Java 类com.lowagie.text.pdf.codec.Base64 实例源码

/**
 * Get timestamp token - communications layer
 * @return - byte[] - TSA response, raw bytes (RFC 3161 encoded)
 */
protected byte[] getTSAResponse(byte[] requestBytes) throws Exception {
    // Setup the TSA connection
    URL url = new URL(tsaURL);
    URLConnection tsaConnection;
    tsaConnection = (URLConnection) url.openConnection();

    tsaConnection.setDoInput(true);
    tsaConnection.setDoOutput(true);
    tsaConnection.setUseCaches(false);
    tsaConnection.setRequestProperty("Content-Type", "application/timestamp-query");
    //tsaConnection.setRequestProperty("Content-Transfer-Encoding", "base64");
    tsaConnection.setRequestProperty("Content-Transfer-Encoding", "binary");

    if ((tsaUsername != null) && !tsaUsername.equals("") ) {
        String userPassword = tsaUsername + ":" + tsaPassword;
        tsaConnection.setRequestProperty("Authorization", "Basic " +  Base64.encodeBytes(userPassword.getBytes()));
    }
    OutputStream out = tsaConnection.getOutputStream();
    out.write(requestBytes);
    out.close();

    // Get TSA response as a byte array
    InputStream inp = tsaConnection.getInputStream();
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];
    int bytesRead = 0;
    while ((bytesRead = inp.read(buffer, 0, buffer.length)) >= 0) {
        baos.write(buffer, 0, bytesRead);
    }
    byte[] respBytes = baos.toByteArray();

    String encoding = tsaConnection.getContentEncoding();
    if (encoding != null && encoding.equalsIgnoreCase("base64")) {
        respBytes = Base64.decode(new String(respBytes));
    }
    return respBytes;
}

public static void main(String[] args) throws NoSuchAlgorithmException, UnsupportedEncodingException {
    final String key = "x3JJHMbDL1EzLkh9GBhXDw==";
    final String combined = key + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
    final byte[] sha1 = MessageDigest.getInstance("SHA-1").digest(combined.getBytes("UTF8"));
    System.out.println("Number of bytes: " + sha1.length);
    final String encoded = Base64.encodeBytes(sha1);
    System.out.println("encoded string: " + encoded);
}

/**
 * Get timestamp token - communications layer
 * @return - byte[] - TSA response, raw bytes (RFC 3161 encoded)
 */
protected byte[] getTSAResponse(byte[] requestBytes) throws Exception {
    // Setup the TSA connection
    URL url = new URL(tsaURL);
    URLConnection tsaConnection;
    tsaConnection = (URLConnection) url.openConnection();

    tsaConnection.setDoInput(true);
    tsaConnection.setDoOutput(true);
    tsaConnection.setUseCaches(false);
    tsaConnection.setRequestProperty("Content-Type", "application/timestamp-query");
    //tsaConnection.setRequestProperty("Content-Transfer-Encoding", "base64");
    tsaConnection.setRequestProperty("Content-Transfer-Encoding", "binary");

    if ((tsaUsername != null) && !tsaUsername.equals("") ) {
        String userPassword = tsaUsername + ":" + tsaPassword;
        tsaConnection.setRequestProperty("Authorization", "Basic " +
            new String(Base64.encodeBytes(userPassword.getBytes())));
    }
    OutputStream out = tsaConnection.getOutputStream();
    out.write(requestBytes);
    out.close();

    // Get TSA response as a byte array
    InputStream inp = tsaConnection.getInputStream();
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];
    int bytesRead = 0;
    while ((bytesRead = inp.read(buffer, 0, buffer.length)) >= 0) {
        baos.write(buffer, 0, bytesRead);
    }
    byte[] respBytes = baos.toByteArray();

    String encoding = tsaConnection.getContentEncoding();
    if (encoding != null && encoding.equalsIgnoreCase("base64")) {
        respBytes = Base64.decode(new String(respBytes));
    }
    return respBytes;
}

private String saveAndInsertIntoQueue( FaxConfig faxConfig, FaxJob receivedFax, FaxJob faxFile ) {              

    String filename = receivedFax.getFile_name();

    filename = filename.replace("|", "-");

    if( filename.isEmpty() ) {
        filename = System.currentTimeMillis() + ".pdf";
    }

    filename = filename.replace(".tif", ".pdf");

    if( ! filename.endsWith(".pdf") || ! filename.endsWith(".PDF") ) {
        filename = filename + ".pdf";
    }

    filename = filename.trim(); 

    log.info("Saving the Fax file " + filename + " meta data to Oscar's eDoc system.");


    EDoc newDoc = new EDoc("Recieved Fax", "Recieved Fax", filename, "", 
            DEFAULT_USER, DEFAULT_USER, "", 'A', 
            DateFormatUtils.format(receivedFax.getStamp(), "yyyy-MM-dd"), 
            "", "", "demographic", DEFAULT_USER, receivedFax.getNumPages() );

    newDoc.setDocPublic("0");

    filename = newDoc.getFileName();

    log.info("Saving the Fax file " + filename + " to the local file system at " + DOCUMENT_DIR );

    if( Base64.decodeToFile( faxFile.getDocument(), DOCUMENT_DIR + "/" + filename) ) {

        newDoc.setContentType("application/pdf");
        newDoc.setNumberOfPages(receivedFax.getNumPages());
        String doc_no = EDocUtil.addDocumentSQL(newDoc);

        Integer queueId = faxConfig.getQueue();
        Integer docNum = Integer.parseInt(doc_no);

        queueDocumentLinkDao.addActiveQueueDocumentLink(queueId, docNum);

        log.debug( "Saved file " + filename + " to filesystem at " + DOCUMENT_DIR );

        return filename;
    }

    log.debug( "Failed to save file " + filename + " to filesystem at " + DOCUMENT_DIR );

    return null;

}