Example usage for java.util Base64 getDecoder

Introduction

In this page you can find the example usage for java.util Base64 getDecoder.

Prototype

public static Decoder getDecoder()

Source Link

Document

Returns a Decoder that decodes using the Basic type base64 encoding scheme.

Usage

From source file:org.silverpeas.core.util.SerializationUtil.java

/**
 * <p>Deserializes a single {@code Object} from a string.</p>
 * @param <T> the type of the returned serializable object
 * @param objectStringData the serialized object, must not be null
 * @return the deserialized object/*from w ww .jav  a  2s. c  o  m*/
 * @throws IllegalArgumentException if {@code objectData} is {@code null}
 * @throws SerializationException (runtime) if the serialization fails
 */
@SuppressWarnings("unchecked")
public static <T extends Serializable> T deserializeFromString(String objectStringData) {
    if (objectStringData == null) {
        throw new IllegalArgumentException("data must exist");
    }
    return (T) SerializationUtils.deserialize(Base64.getDecoder().decode(objectStringData));
}

From source file:org.apache.accumulo.shell.ShellUtil.java

/**
 * Scans the given file line-by-line (ignoring empty lines) and returns a list containing those
 * lines. If decode is set to true, every line is decoded using {@link Base64} from the UTF-8
 * bytes of that line before inserting in the list.
 *
 * @param filename/*from   w  ww  . j a  va 2s.co m*/
 *          Path to the file that needs to be scanned
 * @param decode
 *          Whether to decode lines in the file
 * @return List of {@link Text} objects containing data in the given file
 * @throws FileNotFoundException
 *           if the given file doesn't exist
 */
@SuppressFBWarnings(value = "PATH_TRAVERSAL_IN", justification = "app is run in same security context as user providing the filename")
public static List<Text> scanFile(String filename, boolean decode) throws FileNotFoundException {
    String line;
    List<Text> result = new ArrayList<>();
    try (Scanner file = new Scanner(new File(filename), UTF_8.name())) {
        while (file.hasNextLine()) {
            line = file.nextLine();
            if (!line.isEmpty()) {
                result.add(decode ? new Text(Base64.getDecoder().decode(line)) : new Text(line));
            }
        }
    }
    return result;
}

From source file:io.kodokojo.endpoint.BasicAuthenticator.java

@Override
public void handle(Request request, Response response) throws Exception {
    String authorization = request.headers("Authorization");
    if (StringUtils.isNotBlank(authorization) && authorization.startsWith("Basic ")) {
        String encoded = authorization.substring("Basic ".length());
        String decoded = new String(Base64.getDecoder().decode(encoded));
        String[] split = decoded.split(":");
        username = split[0];//from w w w  . jav a 2s .  c  om
        password = split[1];
    } else if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("Basic Authorization header not found.");
        if (LOGGER.isTraceEnabled()) {
            LOGGER.trace("List of Header of current request {}", StringUtils.join(request.headers(), ","));
            LOGGER.trace("List of attribute : {}", StringUtils.join(request.attributes(), ","));
            LOGGER.trace("List of params : {}", StringUtils.join(request.queryParams(), ","));
        }
    }
}

From source file:org.apache.james.util.SerializationUtil.java

/**
 * Decodes the input base64 string and deserialize it.
 *
 * @param <T>    The resulting type after deserialization.
 * @param object The base64 encoded string.
 *
 * @return The deserialized object./*from   w  w  w  . j a  va  2s  .  co m*/
 */
public static <T extends Serializable> T deserialize(String object) {
    return Optional.ofNullable(object).map(Base64.getDecoder()::decode).<T>map(SerializationUtils::deserialize)
            .orElse(null);
}

From source file:com.google.testing.web.screenshotter.Screenshot.java

/**
 * Returns the decoded bytes for the screenshot. Every call to this returns a new copy of the
 * decoded bytes.//from  ww w . j a v  a 2 s  . c om
 */
public byte[] asBytes() {
    return Base64.getDecoder().decode(base64);
}

From source file:za.co.bronkode.jwtbroker.Tokenizer.java

public static Token DecodeToken(String token) {
    if (IsValidToken(token)) {
        try {/*from w ww  .  j  av a  2s. co m*/
            String[] items = token.split("\\.");

            Token t = new Token();

            ObjectMapper mapper = new ObjectMapper();
            byte[] headerBytes = Base64.getDecoder().decode(items[0]);
            byte[] claimBytes = Base64.getDecoder().decode(items[1]);
            String headerjson = new String(headerBytes);
            String claimjson = new String(claimBytes);
            t.setHeader(mapper.readValue(headerjson, TokenHeader.class));
            t.setClaim(mapper.readValue(claimjson, claimClass));

            return t;
        } catch (IOException ex) {
            Logger.getLogger(Tokenizer.class.getName()).log(Level.SEVERE, null, ex);

        }
    } else {
        return null;
    }
    return null;
}

From source file:org.trustedanalytics.servicebroker.gearpump.yarn.YarnConfigFilesProvider.java

private void decode() {
    decodedConfigFiles = Base64.getDecoder().decode(getConfigFiles());
}

From source file:de.kaiserpfalzEdv.commons.encoding.EncodingHelper.java

/**
 * Decodes the Object stream into an object.
 *
 * @param objectString the BASE64 encoded string containing a serialized object.
 * @return the object itself./*from  ww w  .ja  va2  s  .  c om*/
 * @throws EncodingException If an {@link IOException} or
 *                           {@link ClassNotFoundException} was thrown.
 */
public static Object decode(final String objectString) {
    LOG.trace("Trying to decode string: {}", objectString);
    checkArgument(isNotBlank(objectString), "Can't decode NULL or empty String!");

    Object out = SerializationUtils.deserialize(Base64.getDecoder().decode(objectString));

    LOG.debug("Decoded BASE64 encoded object from string. Now returning object.");
    return out;
}

From source file:com.toptal.conf.SecurityUtils.java

/**
 * Decodes given string from base64.//w  ww. j a v  a2s .c  om
 * @param str String.
 * @return Decoded string.
 */
public static String decode(final String str) {
    String result = null;
    if (str != null) {
        result = new String(Base64.getDecoder().decode(str), StandardCharsets.UTF_8);
    }
    return result;
}

From source file:org.apache.accumulo.shell.commands.HiddenCommand.java

@Override
public int execute(final String fullCommand, final CommandLine cl, final Shell shellState) throws Exception {
    if (rand.nextInt(10) == 0) {
        shellState.getReader().beep();/*from ww  w. j ava  2s . c o  m*/
        shellState.getReader().println();
        shellState.getReader().println(new String(Base64.getDecoder().decode(
                "ICAgICAgIC4tLS4KICAgICAgLyAvXCBcCiAgICAgKCAvLS1cICkKICAgICAuPl8gIF88LgogICAgLyB8ICd8ICcgXAog"
                        + "ICAvICB8Xy58Xy4gIFwKICAvIC98ICAgICAgfFwgXAogfCB8IHwgfFwvfCB8IHwgfAogfF98IHwgfCAgfCB8IHxffAogICAgIC8gIF9fICBcCiAgICAvICAv"
                        + "ICBcICBcCiAgIC8gIC8gICAgXCAgXF8KIHwvICAvICAgICAgXCB8IHwKIHxfXy8gICAgICAgIFx8X3wK"),
                UTF_8));
    } else {
        throw new ShellCommandException(ErrorCode.UNRECOGNIZED_COMMAND, getName());
    }
    return 0;
}