Example usage for org.apache.commons.codec.binary Hex decodeHex

Introduction

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

Prototype

public static byte[] decodeHex(char[] data) throws IllegalArgumentException 

Source Link

Document

Converts an array of characters representing hexadecimal values into an array of bytes of those same values.

Usage

From source file:com.cyanogenmod.account.util.CMAccountUtils.java

public static byte[] decodeHex(String hex) {
    try {//w  w w.j  a  v  a2s  . c  om
        return Hex.decodeHex(hex.toCharArray());
    } catch (DecoderException e) {
        Log.e(TAG, "Unable to decode hex string", e);
        throw new AssertionError(e);
    }
}

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From source file:libepg.epg.section.SectionTest.java

/**
 * Test of getData method, of class Section.
 *///from w w w  .  j  a v  a2s. c  o  m
@Test
public void testGetData() throws DecoderException {
    LOG.debug("getData");
    Section instance = testSection_OK;
    byte[] expResult = Hex.decodeHex(
            "42f0977fe1d100007fe1ff0408f30020481201000f0e4e484b451d461d6c310f456c357ec10184cf0701fe08f00104080409f3001c481201000f0e4e484b451d461d6c320f456c357ec10184cf0302fe08040af3001c481201000f0e4e484b451d461d6c330f456c357ec10184cf0302fe080588e5001f480ec0000b0e4e484b0f374842530e32c10188cf0a030e4e484b0f215d0e32722fa2b5"
                    .toCharArray());
    byte[] result = instance.getData();
    //        LOG.debug(Hex.encodeHexString(expResult));
    //        LOG.debug(Hex.encodeHexString(result));
    assertArrayEquals(expResult, result);

}

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From source file:com.lightboxtechnologies.spectrum.ExtractMapper.java

protected void process_extent(FSDataInputStream file, FileSystem fs, Path outPath, Map<String, ?> map,
        Context context) throws IOException, InterruptedException {
    final String id = (String) map.get("id");
    byte[] id_b = null;
    try {/*w  w  w .  ja v a2 s.c om*/
        id_b = Hex.decodeHex(id.toCharArray());
    } catch (DecoderException e) {
        throw new RuntimeException(e);
    }

    final long fileSize = ((Number) map.get("size")).longValue();
    StringBuilder sb = new StringBuilder("Extracting ");
    sb.append(id);
    sb.append(":");
    sb.append((String) map.get("fp"));
    sb.append(" (");
    sb.append(fileSize);
    sb.append(" bytes)");
    LOG.info(sb.toString());
    MD5Hash.reset();

    final Map<String, Object> rec = fileSize > SIZE_THRESHOLD
            ? process_extent_large(file, fs, outPath, map, context)
            : process_extent_small(file, fileSize, map, context);

    // check if the md5 is known
    final byte[] md5 = hash_lookup_and_mark(rec, "md5");

    // check if the sha1 is known
    final byte[] sha1 = hash_lookup_and_mark(rec, "sha1");

    // write the entry to the file table
    EntryTbl.put(
            FsEntryHBaseOutputFormat.FsEntryHBaseWriter.createPut(id_b, rec, HBaseTables.ENTRIES_COLFAM_B));

    // write the md5 version of the key for the hash table
    OutKey.set(KeyUtils.makeEntryKey(md5, (byte) 0, id_b));
    final KeyValue ovMD5 = new KeyValue(OutKey.get(), HBaseTables.HASH_COLFAM_B, ingest_col, timestamp, empty);
    context.write(OutKey, ovMD5);

    // write the sha1 version of the key for the hash table
    OutKey.set(KeyUtils.makeEntryKey(sha1, (byte) 1, id_b));
    final KeyValue ovSHA1 = new KeyValue(OutKey.get(), HBaseTables.HASH_COLFAM_B, ingest_col, timestamp, empty);
    context.write(OutKey, ovSHA1);
}

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From source file:com.glaf.core.security.RSAUtils.java

/**
 * ?16RSA?//ww w  .j  ava  2  s  .c  om
 * 
 * @param modulus
 *            
 * @param privateExponent
 *            
 * @return RSA?
 */
public static RSAPrivateKey getRSAPrivateKey(String hexModulus, String hexPrivateExponent) {
    if (StringUtils.isEmpty(hexModulus) || StringUtils.isEmpty(hexPrivateExponent)) {
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug(
                    "hexModulus and hexPrivateExponent cannot be empty. RSAPrivateKey value is null to return.");
        }
        return null;
    }
    byte[] modulus = null;
    byte[] privateExponent = null;
    try {
        modulus = Hex.decodeHex(hexModulus.toCharArray());
        privateExponent = Hex.decodeHex(hexPrivateExponent.toCharArray());
    } catch (DecoderException ex) {
        LOGGER.error("hexModulus or hexPrivateExponent value is invalid. return null(RSAPrivateKey).");
    }
    if (modulus != null && privateExponent != null) {
        return generateRSAPrivateKey(modulus, privateExponent);
    }
    return null;
}

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From source file:com.mastercard.mobile_api.bytes.ByteArray.java

/**
 * Instantiates a new byte array.//from   www.  ja va 2s . c  o  m
 *
 * @param hexString the hexString
 */
private ByteArray(final String hexString) {
    // We add one zero at the beginning to support odd HEX strings
    final String adjustedHex;
    if ((hexString.length() % 2) == 0) {
        adjustedHex = hexString;
    } else {
        adjustedHex = "0" + hexString;
    }
    try {
        mData = Hex.decodeHex(hexString.toCharArray());
    } catch (DecoderException e) {
        throw new IllegalArgumentException("Invalid HEX String: " + adjustedHex);
    }
}

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From source file:com.moz.fiji.schema.util.JsonEntityIdParser.java

/**
 * Gets byte array from string entity id given in "hbase=" or "hbase_hex" format.
 *
 * @param stringEntityId representing the row to acquire byte array for.
 * @return byte array of entity id.//  w w w .j a  va  2s. c  o  m
 * @throws IOException if the ASCII-encoded hex was improperly formed.
 */
private static byte[] parseBytes(final String stringEntityId) throws IOException {
    if (stringEntityId.startsWith(HBASE_ROW_KEY_PREFIX)) {
        final String rowKeySubstring = stringEntityId.substring(HBASE_ROW_KEY_PREFIX.length());
        return Bytes.toBytesBinary(rowKeySubstring);
    } else if (stringEntityId.startsWith(HBASE_HEX_ROW_KEY_PREFIX)) {
        final String rowKeySubstring = stringEntityId.substring(HBASE_HEX_ROW_KEY_PREFIX.length());
        try {
            return Hex.decodeHex(rowKeySubstring.toCharArray());
        } catch (DecoderException de) {
            // Re-wrap decoder exception as IOException.
            throw new IOException(de.getMessage());
        }
    } else {
        throw new IllegalArgumentException("Passed string must be prefixed by hbase= or hbase_hex=.");
    }
}

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From source file:com.envirover.spl.SPLGroungControlTest.java

private MAVLinkPacket getPacket(String data) throws DecoderException {
    Parser parser = new Parser();
    MAVLinkPacket packet = null;//from   www  . j a  v a2  s  .  c  o m

    for (byte b : Hex.decodeHex(data.toCharArray())) {
        packet = parser.mavlink_parse_char(b & 0xFF);
    }

    return packet;
}

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From source file:be.fedict.eid.idp.webapp.ProtocolExitServlet.java

private byte[] getIdentifierSecret(RPEntity rp) {

    if (null == rp || null == rp.getIdentifierSecretKey() || rp.getIdentifierSecretKey().trim().isEmpty()) {
        // RP dont have one, go to IdP default
        return this.identityService.getHmacSecret();
    }//from w  w  w.  java 2s.  c  om

    try {
        return Hex.decodeHex(rp.getIdentifierSecretKey().toCharArray());
    } catch (DecoderException e) {
        throw new RuntimeException("HEX decoder error: " + e.getMessage(), e);
    }

}

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From source file:com.cloudant.sync.datastore.encryption.EndToEndEncryptionTest.java

public static byte[] hexStringToByteArray(String s) {
    try {/*from w w  w . j  ava  2s . c om*/
        return Hex.decodeHex(s.toCharArray());
    } catch (DecoderException ex) {
        // Crash the tests at this point, we've input bad data in our hard-coded values
        throw new RuntimeException("Error decoding hex data: " + s);
    }
}

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From source file:com.ning.arecibo.util.timeline.times.TestTimelineCoder.java

@Test(groups = "fast")
public void test65KRepeats() throws Exception {
    int count = 0;
    final List<DateTime> dateTimes = new ArrayList<DateTime>();
    final DateTime startingDateTime = DateTimeUtils.dateTimeFromUnixSeconds(1000000);
    DateTime time = startingDateTime;//www  .  j  av  a 2s .  c om
    for (int i = 0; i < 20; i++) {
        time = time.plusSeconds(200);
        dateTimes.add(time);
    }
    for (int i = 0; i < 0xFFFF + 100; i++) {
        time = time.plusSeconds(100);
        dateTimes.add(time);
    }
    final byte[] timeBytes = timelineCoder.compressDateTimes(dateTimes);
    final String hex = new String(Hex.encodeHex(timeBytes));
    // Here are the compressed samples: ff000f4308fe13c8fdffff64fe6464
    // Translation:
    // [ff 00 0f 43 08] means absolution time 1000000
    // [fe 13 c8] means repeat 19 times delta 200 seconds
    // [fd ff ff 64] means repeat 65525 times delta 100 seconds
    // [fe 64 64] means repeat 100 times delta 100 seconds
    Assert.assertEquals(timeBytes, Hex.decodeHex("ff000f4308fe13c8fdffff64fe6464".toCharArray()));
    final List<DateTime> restoredSamples = timelineCoder.decompressDateTimes(timeBytes);
    Assert.assertEquals(restoredSamples.size(), dateTimes.size());
    for (int i = 0; i < count; i++) {
        Assert.assertEquals(restoredSamples.get(i), DateTimeUtils.unixSeconds(dateTimes.get(i)));
    }
}

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