Example usage for com.google.common.hash Hashing md5

Introduction

In this page you can find the example usage for com.google.common.hash Hashing md5.

Prototype

public static HashFunction md5()

Source Link

Document

Returns a hash function implementing the MD5 hash algorithm (128 hash bits) by delegating to the MD5 MessageDigest .

Usage

From source file:com.cinchapi.concourse.server.http.HttpRequests.java

/**
 * Return an MD5 hash that represents the fingerprint (ip address and
 * browser information) for the client.//from  w  w  w .ja  va  2s .co m
 * 
 * @param request
 * @return the client fingerprint
 */
public static String getFingerprint(HttpRequest request) {
    StringBuilder sb = new StringBuilder();
    sb.append(getUserAgent(request));
    sb.append(getIpAddress(request));
    return Hashing.md5().hashUnencodedChars(sb).toString();
}

From source file:com.dssmp.agent.tailing.KinesisRecord.java

@VisibleForTesting
String generatePartitionKey(PartitionKeyOption option) {
    Preconditions.checkNotNull(option);/*from   w w  w  .  j av a  2  s . c  om*/

    if (option == PartitionKeyOption.DETERMINISTIC) {
        Hasher hasher = Hashing.md5().newHasher();
        hasher.putBytes(data.array());
        return hasher.hash().toString();
    }
    if (option == PartitionKeyOption.RANDOM)
        return "" + ThreadLocalRandom.current().nextDouble(1000000);

    return null;
}

From source file:org.apache.james.user.jpa.model.JPAUser.java

@SuppressWarnings("deprecation")
private static HashFunction chooseHashing(String algorithm) {
    switch (algorithm) {
    case "MD5":
        return Hashing.md5();
    case "SHA-256":
        return Hashing.sha256();
    case "SHA-512":
        return Hashing.sha512();
    default://from   w w  w .j  a v a2 s  . c  o  m
        return Hashing.sha1();
    }
}

From source file:com.github.vatbub.tictactoe.common.OnlineMultiplayerRequestOpponentRequest.java

public String getRequestId() {
    return Hashing.md5().newHasher()
            .putString(getClientIdentifier() + getDesiredOpponentIdentifier() + getSalt(), Charsets.UTF_8)
            .hash().toString();// w  ww. j a  v a  2  s . c  om
}

From source file:ph.samson.maven.enforcer.rule.checksum.FileChecksum.java

@Override
public void execute(EnforcerRuleHelper erh) throws EnforcerRuleException {
    if (file == null || !file.canRead()) {
        throw new EnforcerRuleException("Missing file: " + file);
    }/*from w  w  w  .  j  a  v a  2 s  .  co m*/

    HashFunction hashFn;
    switch (type) {
    case "crc32":
        hashFn = Hashing.crc32();
        break;
    case "crc32c":
        hashFn = Hashing.crc32c();
        break;
    case "md5":
        hashFn = Hashing.md5();
        break;
    case "sha1":
        hashFn = Hashing.sha1();
        break;
    case "sha256":
        hashFn = Hashing.sha256();
        break;
    case "sha512":
        hashFn = Hashing.sha512();
        break;
    default:
        throw new EnforcerRuleException("Unsupported hash type: " + type);
    }

    String hash;
    try {
        hash = hashFn.hashBytes(Files.readAllBytes(file.toPath())).toString();
    } catch (IOException ex) {
        throw new EnforcerRuleException("Failed reading " + file, ex);
    }

    if (!hash.equalsIgnoreCase(checksum)) {
        throw new EnforcerRuleException(
                type + " hash of " + file + " was " + hash + " but expected " + checksum);
    }
}

From source file:com.google.gerrit.server.change.GetRevisionActions.java

@Override
public String getETag(RevisionResource rsrc) {
    Hasher h = Hashing.md5().newHasher();
    CurrentUser user = rsrc.getControl().getUser();
    try {//from   w  w  w.j  a va2  s . c  o  m
        rsrc.getChangeResource().prepareETag(h, user);
        h.putBoolean(Submit.wholeTopicEnabled(config));
        ReviewDb db = dbProvider.get();
        ChangeSet cs = mergeSuperSet.get().completeChangeSet(db, rsrc.getChange(), user);
        for (ChangeData cd : cs.changes()) {
            changeResourceFactory.create(cd.changeControl()).prepareETag(h, user);
        }
        h.putBoolean(cs.furtherHiddenChanges());
    } catch (IOException | OrmException e) {
        throw new OrmRuntimeException(e);
    }
    return h.hash().toString();
}

From source file:org.lenskit.data.store.BareEntityCollection.java

BareEntityCollection(EntityType et, LongSortedArraySet ids) {
    entityType = et;
    idSet = ids;
    Hasher hash = Hashing.md5().newHasher();
    idSet.forEach((LongConsumer) hash::putLong);
    contentHash = hash.hash();
}

From source file:net.yoomai.wechat.utils.StringUtils.java

/**
 * ????//from  www.  j  a  v  a 2 s  .co  m
 *
 * @param params  ?ASCII ????
 * @param encrypt ? SHA1 MD5
 * @return
 */
public static String signature(Map params, String encrypt, boolean toUpperCase) {
    String sign = "";
    // ?
    String buffer = generateQueryString(params, true);

    // log.debug(" => {}", buffer.toString());
    if ("MD5".equals(encrypt)) {
        // MD5
        sign = Hashing.md5().hashString(buffer, Charsets.UTF_8).toString();
    } else if ("SHA1".equals(encrypt)) {
        // SHA1
        sign = Hashing.sha1().hashString(buffer, Charsets.UTF_8).toString();
    }
    // log.debug("? <=> {}", sign);

    if (toUpperCase) {
        sign = sign.toUpperCase();
    }

    return sign;
}

From source file:com.netflix.priam.utils.SystemUtils.java

/**
 * Get a Md5 string which is similar to OS Md5sum
 *///ww w  .ja  v a  2s  .  c o m
public static String md5(File file) {
    try {
        HashCode hc = Files.hash(file, Hashing.md5());
        return toHex(hc.asBytes());
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:com.xebialabs.overtherepy.DirectoryDiff.java

/**
 * Calculate an MD5 hash for the given file.
 *
 * @param file for which MD5 should be calculated.
 * @return MD5 hash//from   ww  w.j  av a  2s.c  o m
 * @throws IOException
 */
public static String md5(final OverthereFile file) throws IOException {
    File sourceFile = new File(file.getPath());
    ByteSource source = Files.asByteSource(sourceFile);
    return source.hash(Hashing.md5()).toString();
}