Example usage for org.apache.commons.codec.binary Base64 decodeBase64

Introduction

In this page you can find the example usage for org.apache.commons.codec.binary Base64 decodeBase64.

Prototype

public static byte[] decodeBase64(final byte[] base64Data) 

Source Link

Document

Decodes Base64 data into octets

Usage

From source file:Main.java

public static void main(String[] args) {
    String hello = "aaaaaaaa";

    byte[] decoded = Base64.decodeBase64(hello.getBytes());

    System.out.println(Arrays.toString(decoded));

    String decodedString = new String(decoded);
    System.out.println(hello + " = " + decodedString);
}

---

From source file:base64test.Base64Test.java

/**
 * @param args the command line arguments
 *//*from  www  .  j  a v a  2 s.  c om*/
public static void main(String[] args) {
    try {
        if (!Base64.isBase64(args[0])) {
            throw new Exception("Arg 1 is not a Base64 string!");
        } else {
            String decodedBase64String = new String(Base64.decodeBase64(args[0]));
            File tempFile = File.createTempFile("base64Test", ".tmp");
            tempFile.deleteOnExit();
            FileWriter fw = new FileWriter(tempFile, false);
            PrintWriter pw = new PrintWriter(fw);
            pw.write(decodedBase64String);
            pw.close();
            String fileType = getFileType(tempFile.toPath());
            System.out.println(fileType);
            System.in.read();
        }
    } catch (Exception e) {
        System.err.println(e.getMessage());
    }
}

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From source file:com.doctor.base64.CommonsCodecBase64.java

public static void main(String[] args) {
    String plainText = "Base64??"
            + "??ASCII???"
            + "????Base64";

    // ??//from w w w  . ja v a  2 s.c o  m
    String base64String = Base64.encodeBase64String(plainText.getBytes(StandardCharsets.UTF_8));
    System.out.println(base64String);

    String plainTxt = new String(Base64.decodeBase64(base64String), StandardCharsets.UTF_8);
    Preconditions.checkArgument(plainTxt.equals(plainText));

    // ??
    base64String = new String(Base64.encodeBase64Chunked(plainText.getBytes(StandardCharsets.UTF_8)),
            StandardCharsets.UTF_8);
    plainTxt = new String(Base64.decodeBase64(base64String), StandardCharsets.UTF_8);
    Preconditions.checkArgument(plainTxt.equals(plainText));

}

---

From source file:sqsAlertInbound.java

public static void main(String[] args) throws Exception {

    // get credentials
    String user = "jreilly";
    AWSCredentials credentials = whgHelper.getCred(user);

    // use credentials to set access to SQS
    AmazonSQS sqs = whgHelper.setQueueAccess(credentials);

    // define queue that messages will be retrieved from
    String thisQueue = "alertInbound";
    String nextQueue = "alertPersist";

    while (1 > 0) {

        // pull list of current messages (up to 10) in the queue
        List<Message> messages = whgHelper.getMessagesFromQueue(thisQueue, sqs);
        System.out.println("Count of messages in " + thisQueue + ": " + messages.size());

        try {//from ww w  .j av  a 2  s.c om

            for (Message message : messages) {

                whgHelper.printMessage(message);
                for (Entry<String, String> entry : message.getAttributes().entrySet()) {
                    whgHelper.printMessageEntry(entry);
                }

                // validate JSON for completeness and form and handle errors
                //               if (sqs == null) {
                //                  sqs.sendMessage(new SendMessageRequest("alertErrorHandling", message.getBody()));
                //               }

                // call a function to transform message
                String alertJSON = String.valueOf(Base64.decodeBase64(message.getBody()));
                System.out.println("Transformed JSON: " + alertJSON);

                // send message to next queue
                System.out.println("Sending message to next queue.");
                sqs.sendMessage(new SendMessageRequest(nextQueue, alertJSON));

                // delete message from this queue
                System.out.println("Deleting message.\n");
                String messageRecieptHandle = message.getReceiptHandle();
                sqs.deleteMessage(new DeleteMessageRequest(thisQueue, messageRecieptHandle));

            }
            Thread.sleep(20000); // do nothing for 1000 miliseconds (1 second)

        } catch (AmazonServiceException ase) {
            whgHelper.errorMessagesAse(ase);
        } catch (AmazonClientException ace) {
            whgHelper.errorMessagesAce(ace);
        }
    }
}

---

From source file:com.sapienter.jbilling.tools.ConvertToBinHexa.java

/**
 * @param args//from   ww w. j a  v a  2 s .  c o  m
 */
public static void main(String[] args) {
    String driver = null;

    if (args.length < 3) {
        System.err.println("Usage: url username password [driver]");
        System.exit(1);
        return;
    }
    if (args.length < 4) {
        driver = "org.postgresql.Driver";
    } else {
        driver = args[3];
    }

    System.out.println("Converting credit cards ... ");
    int count = 0;
    try {
        connection = getConnection(args[0], args[1], args[2], driver);
        ResultSet rows = getCCRowsToUpdate();
        while (rows == null) { //rows.next() - skip CC
            int rowId = rows.getInt(1);
            String cryptedNumber = rows.getString(2);
            String cryptedName = rows.getString(3);
            int userId = rows.getInt(4);

            JBCrypto oldCrypt = JBCrypto.getCreditCardCrypto();
            oldCrypt.setUseHexForBinary(false);
            String plainNumber;
            try {
                plainNumber = oldCrypt.decrypt(cryptedNumber);
            } catch (Exception e) {
                plainNumber = "Not available";
                System.out.println("User id " + userId + " cc id " + rowId + " with bad cc number");
            }
            String plainName;
            try {
                plainName = oldCrypt.decrypt(cryptedName);
            } catch (RuntimeException e) {
                plainName = "Not available";
                System.out.println("User id " + userId + " cc id " + rowId + " with bad cc name");
            }
            // now recrypt using the new way
            JBCrypto newCrypt = JBCrypto.getCreditCardCrypto();
            newCrypt.setUseHexForBinary(true);
            cryptedName = newCrypt.encrypt(plainName);
            cryptedNumber = newCrypt.encrypt(plainNumber);
            //System.out.println("new " + cryptedName + " and " + cryptedNumber);
            updateCCRow(rowId, cryptedName, cryptedNumber);
            count++;
        }
        rows.close();

        System.out.println("Converting user passwords ... ");
        count = 0;
        rows = getUserRowsToUpdate();
        while (rows.next()) {
            int rowId = rows.getInt(1);
            String oldPassword = rows.getString(2);

            try {
                String newPassword = Util.binaryToString(Base64.decodeBase64(oldPassword.getBytes()));
                System.out.println("new " + newPassword + " old " + oldPassword);
                updateUserRow(rowId, newPassword);
                count++;
            } catch (Exception e) {
                System.out.println("Error with password " + oldPassword + " :" + e.getMessage());
            }
        }
        rows.close();

        connection.close();
    } catch (Exception e) {
        System.err.println("Error! " + e.getMessage());
        e.printStackTrace();
        System.exit(2);
    }
    System.out.println("Finished! " + count + " rows populated");

}

---

From source file:com.hadoopvietnam.commons.crypt.J2MECrypto.java

public static void main(String[] args) {
    J2MECrypto crypto = new J2MECrypto("LetfyActionCrypto".getBytes());
    String code = System.currentTimeMillis() + " " + "tk1cntt@gmail.com" + " " + System.currentTimeMillis();
    String encode = new String(Base64.encodeBase64(crypto.encrypt((code).getBytes())));
    System.out.println(encode);//from w w w  .  j  a v  a 2  s  .  co m
    String decode = new String(crypto.decrypt(Base64.decodeBase64(encode.getBytes())));
    System.out.println(decode);
    System.out.println(DigestUtils.md5Hex(code));
}

---

From source file:com.tcs.ebw.security.EBWSecurity.java

public static void main(String args[]) {

    try {/*  w  w w. j a va 2s.com*/

        EBWSecurity sec = new EBWSecurity();

        String testData2 = "Pramodh B Somashekara 231259 Channels !@#$%^&*()";

        if (args.length > 0)
            testData2 = (String) args[0];

        if (testData2 == null) {

            System.out.println("No Arguements in command line...Continuing with 'ELECTUSR'");

            testData2 = "ELECTUSR";

        }

        byte[] enc;

        System.out.println("----------------ENCRYPTION-------------");

        System.out.println("Original String:" + testData2);

        /** Set IMRS Key here **/

        sec.setSecretKey(sec.getSecretKey());

        testData2 = (new String(Base64.encodeBase64(sec.encryptSymmetric(testData2.getBytes()))));

        System.out.println("After Base64 Encode:" + testData2);

        testData2 = java.net.URLEncoder.encode(testData2, "utf-8");

        System.out.println("Encrypted[Base64+EncryptAlgo+URLEncoded][" + testData2 + "]");

        System.out.println("---------------DECRYPTION--------------");

        System.out.println("Encrypted[Base64+EncryptAlgo+URLEncoded]" + testData2);

        testData2 = java.net.URLDecoder.decode(testData2, "utf-8");

        testData2 = new String(sec.decryptSymmetric(
                Base64.decodeBase64(java.net.URLDecoder.decode(testData2, "utf-8").getBytes())));

        System.out.println("Decrypted[Base64+EncryptAlgo][" + testData2 + "]");

    } catch (NoSuchAlgorithmException e) {

        // TODO Auto-generated catch block

        e.printStackTrace();

    } catch (NoSuchPaddingException e) {

        // TODO Auto-generated catch block

        e.printStackTrace();

    } catch (BadPaddingException e) {

        // TODO Auto-generated catch block

        e.printStackTrace();

    } catch (InvalidKeyException e) {

        // TODO Auto-generated catch block

        e.printStackTrace();

    } catch (IllegalBlockSizeException e) {

        // TODO Auto-generated catch block

        e.printStackTrace();

    } catch (Exception e) {

        // TODO Auto-generated catch block

        e.printStackTrace();

    }

}

---

From source file:com.ddling.utils.MyBase64.java

public static String decodeStr(String str) {
    Base64 base64 = new Base64();
    byte[] debytes = base64.decodeBase64(new String(str).getBytes());
    return new String(debytes);
}

---

From source file:com.ddling.client.utils.MyBase64.java

/**
 * Base64?//from  ww  w . ja  v  a  2  s.co m
 * @param str ??
 * @return ??
 */
public static String decodeStr(String str) {
    Base64 base64 = new Base64();
    byte[] debytes = base64.decodeBase64(new String(str).getBytes());
    return new String(debytes);
}

---

From source file:Main.java

public static byte[] fromBase64String(String base64String) {
    return Base64.decodeBase64(base64String.getBytes());
}

---

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