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:org.codehaus.httpcache4j.cache.FileManager.java

public synchronized File resolve(URI uri) {
    String uriHex = Hashing.md5().hashString(uri.toString(), Charsets.UTF_8).toString().trim();
    String distribution = uriHex.substring(0, 2);
    return new File(new File(baseDirectory, distribution), uriHex);
}

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From source file:com.cinchapi.concourse.cache.ReferenceCache.java

/**
 * Return a unique identifier for a group of {@code args}.
 * /* w  ww  .  ja va 2 s.c  o m*/
 * @param args
 * @return the identifier.
 */
private HashCode getCacheKey(Object... args) {
    StringBuilder key = new StringBuilder();
    for (Object o : args) {
        key.append(o.hashCode());
        key.append(o.getClass().getName());
    }
    return Hashing.md5().hashUnencodedChars(key.toString());
}

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From source file:org.openscoring.service.ModelRegistry.java

@SuppressWarnings(value = { "resource" })
public Model load(InputStream is) throws Exception {
    CountingInputStream countingIs = new CountingInputStream(is);

    HashingInputStream hashingIs = new HashingInputStream(Hashing.md5(), countingIs);

    ModelEvaluator<?> evaluator = unmarshal(hashingIs, this.validate);

    PMML pmml = evaluator.getPMML();//from w  w  w .ja va2  s  .com

    for (Class<? extends Visitor> visitorClazz : this.visitorClazzes) {
        Visitor visitor = visitorClazz.newInstance();

        visitor.applyTo(pmml);
    }

    evaluator.verify();

    Model model = new Model(evaluator);
    model.putProperty(Model.PROPERTY_FILE_SIZE, countingIs.getCount());
    model.putProperty(Model.PROPERTY_FILE_MD5SUM, (hashingIs.hash()).toString());

    return model;
}

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From source file:com.qubole.rubix.bookkeeper.BookKeeper.java

@Override
public List<com.qubole.rubix.bookkeeper.Location> getCacheStatus(String remotePath, long fileLength,
        long lastModified, long startBlock, long endBlock, int clusterType) throws TException {
    initializeClusterManager(clusterType);

    if (nodeName == null) {
        log.error("Node name is null for Cluster Type" + ClusterType.findByValue(clusterType));
        return null;
    }//from   w w w .ja  va 2 s .co m

    Set<Long> localSplits = new HashSet<>();
    long blockNumber = 0;

    for (long i = 0; i < fileLength; i = i + splitSize) {
        long end = i + splitSize;
        if (end > fileLength) {
            end = fileLength;
        }
        String key = remotePath + i + end;
        HashFunction hf = Hashing.md5();
        HashCode hc = hf.hashString(key, Charsets.UTF_8);
        int nodeIndex = Hashing.consistentHash(hc, nodeListSize);
        if (nodeIndex == currentNodeIndex) {
            localSplits.add(blockNumber);
        }
        blockNumber++;
    }

    FileMetadata md;
    try {
        md = fileMetadataCache.get(remotePath,
                new CreateFileMetadataCallable(remotePath, fileLength, lastModified, conf));
        if (md.getLastModified() != lastModified) {
            invalidate(remotePath);
            md = fileMetadataCache.get(remotePath,
                    new CreateFileMetadataCallable(remotePath, fileLength, lastModified, conf));
        }
    } catch (ExecutionException e) {
        log.error(String.format("Could not fetch Metadata for %s : %s", remotePath,
                Throwables.getStackTraceAsString(e)));
        throw new TException(e);
    }
    endBlock = setCorrectEndBlock(endBlock, fileLength, remotePath);
    List<Location> blocksInfo = new ArrayList<>((int) (endBlock - startBlock));
    int blockSize = CacheConfig.getBlockSize(conf);

    for (long blockNum = startBlock; blockNum < endBlock; blockNum++) {
        totalRequests++;
        long split = (blockNum * blockSize) / splitSize;

        if (md.isBlockCached(blockNum)) {
            blocksInfo.add(Location.CACHED);
            cachedRequests++;
        } else {
            if (localSplits.contains(split)) {
                blocksInfo.add(Location.LOCAL);
                remoteRequests++;
            } else {
                blocksInfo.add(Location.NON_LOCAL);
            }
        }
    }

    return blocksInfo;
}

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From source file:org.dspace.ctask.replicate.store.LocalObjectStore.java

@Override
public String objectAttribute(String group, String id, String attrName) throws IOException {
    Path archFile = Paths.get(storeDir, group, id);
    if ("checksum".equals(attrName)) {
        return com.google.common.io.Files.hash(archFile.toFile(), Hashing.md5()).toString();
        //return Utils.checksum(archFile, "MD5");
    } else if ("sizebytes".equals(attrName)) {
        return String.valueOf(Files.size(archFile));
    } else if ("modified".equals(attrName)) {
        return String.valueOf(Files.getLastModifiedTime(archFile).toMillis());
    }//ww  w .  ja  v a 2 s  . c  om
    return null;
}

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From source file:org.apache.usergrid.management.importer.S3Upload.java

public void copyToS3(String accessKey, String secretKey, String bucketName, List<String> filenames)
        throws FileNotFoundException {

    Properties overrides = new Properties();
    overrides.setProperty("s3" + ".identity", accessKey);
    overrides.setProperty("s3" + ".credential", secretKey);

    final Iterable<? extends Module> MODULES = ImmutableSet.of(new JavaUrlHttpCommandExecutorServiceModule(),
            new Log4JLoggingModule(), new NettyPayloadModule());

    BlobStoreContext context = ContextBuilder.newBuilder("s3").credentials(accessKey, secretKey)
            .modules(MODULES).overrides(overrides).buildView(BlobStoreContext.class);

    // Create Container (the bucket in s3)
    try {//from   w  w w. j  a  v a  2  s  .c om
        BlobStore blobStore = context.getBlobStore();
        if (blobStore.createContainerInLocation(null, bucketName)) {
            logger.info("Created bucket " + bucketName);
        }
    } catch (Exception ex) {
        throw new RuntimeException("Could not create bucket", ex);
    }

    Iterator<String> fileNameIterator = filenames.iterator();

    while (fileNameIterator.hasNext()) {

        String filename = fileNameIterator.next();
        File uploadFile = new File(filename);

        try {
            BlobStore blobStore = context.getBlobStore();

            // need this for JClouds 1.7.x:
            //                BlobBuilder.PayloadBlobBuilder blobBuilder =  blobStore.blobBuilder( filename )
            //                    .payload( uploadFile ).calculateMD5().contentType( "application/json" );

            // needed for JClouds 1.8.x:
            BlobBuilder blobBuilder = blobStore.blobBuilder(filename).payload(uploadFile)
                    .contentMD5(Files.hash(uploadFile, Hashing.md5())).contentType("application/json");

            Blob blob = blobBuilder.build();

            final String uploadedFile = blobStore.putBlob(bucketName, blob, PutOptions.Builder.multipart());

            //wait for the file to finish uploading
            Thread.sleep(4000);

            logger.info("Uploaded file name={} etag={}", filename, uploadedFile);
        } catch (Exception e) {
            logger.error("Error uploading to blob store. File: " + filename, e);
        }
    }
}

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From source file:com.facebook.buck.rules.Manifest.java

@VisibleForTesting
protected static HashCode hashSourcePathGroup(FileHashCache fileHashCache, SourcePathResolver resolver,
        ImmutableList<SourcePath> paths) throws IOException {
    if (paths.size() == 1) {
        return hashSourcePath(paths.asList().get(0), fileHashCache, resolver);
    }/*from   ww  w  . j a v  a2  s. co  m*/
    Hasher hasher = Hashing.md5().newHasher();
    for (SourcePath path : paths) {
        hasher.putBytes(hashSourcePath(path, fileHashCache, resolver).asBytes());
    }
    return hasher.hash();
}

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From source file:de.fhg.iais.cortex.rest.resources.BinaryResource.java

@Inject
//    public BinaryResource(IAccessService accessService, Provider<Role> roleProvider, @Named("auth.aas.blacklistedProvider") String blacklist) {
//        super(accessService, roleProvider, blacklist);
public BinaryResource(IAccessService accessService, ISearchService searchService, Provider<Role> roleProvider,
        @Named("auth.aas.blacklistedProvider") String blacklist) {
    super(searchService, roleProvider, blacklist);

    this.accessService = accessService;

    this.mimeUtil = new MimeUtil2();
    this.mimeUtil.registerMimeDetector("eu.medsea.mimeutil.detector.ExtensionMimeDetector");
    this.mimeUtil.registerMimeDetector("eu.medsea.mimeutil.detector.MagicMimeMimeDetector");

    this.hf = Hashing.md5();
}

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From source file:com.peppe130.rominstaller.core.CheckFile.java

@Override
protected Boolean doInBackground(String... mCheck) {

    String mModel = (String.format(Utils.ACTIVITY.getString(R.string.device_model), Utils.GetDeviceModel()));

    StringBuilder sbUpdate = new StringBuilder();

    updateResult((long) 1200, sbUpdate.append(mModel).toString());

    if (ControlCenter.TRIAL_MODE) {

        updateResult((long) 2500, sbUpdate.append(Utils.ACTIVITY.getString(R.string.calculating_md5))
                .append(" (Fake)").toString());

        updateResult((long) 5000, sbUpdate.append(Utils.ACTIVITY.getString(R.string.initialized)).toString());

        return true;

    } else {// w  w  w  . j av a  2  s. co m

        publishProgress(sbUpdate.append(Utils.ACTIVITY.getString(R.string.calculating_md5)).toString());

        try {

            mMD5 = Files.hash(Utils.GetZipFile(), Hashing.md5()).toString();

        } catch (IOException e) {

            e.printStackTrace();

        }

        try {

            Thread.sleep(2000);

        } catch (InterruptedException e) {

            e.printStackTrace();

        }

        if ((Utils.GetZipFile().exists())
                && (Arrays.asList(ControlCenter.ROM_MD5_LIST).contains(mMD5.toUpperCase())
                        || Arrays.asList(ControlCenter.ROM_MD5_LIST).contains(mMD5.toLowerCase()))) {

            updateResult((long) 5000,
                    sbUpdate.append(Utils.ACTIVITY.getString(R.string.initialized)).toString());

            return true;

        }

    }

    return false;

}

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From source file:org.tzi.use.uml.ocl.type.MessageType.java

private int generateHash() {
    HashFunction hf = Hashing.md5();
    HashCode hc = hf.newHasher().putBoolean(isReferencingSignal())
            .putString(isReferencingOperation() ? this.referredOperation.name() : "", Charsets.UTF_8)
            .putString(isReferencingSignal() ? this.referredSignal.name() : "", Charsets.UTF_8).hash();

    return hc.asInt();
}

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