Example usage for com.google.common.hash Hashing sha1

Introduction

In this page you can find the example usage for com.google.common.hash Hashing sha1.

Prototype

public static HashFunction sha1()

Source Link

Document

Returns a hash function implementing the SHA-1 algorithm (160 hash bits) by delegating to the SHA-1 MessageDigest .

Usage

From source file:org.apache.beam.sdk.io.gcp.testing.BigqueryMatcher.java

private String generateHash(@Nonnull List<TableRow> rows) {
    List<HashCode> rowHashes = Lists.newArrayList();
    for (TableRow row : rows) {
        List<String> cellsInOneRow = Lists.newArrayList();
        for (TableCell cell : row.getF()) {
            cellsInOneRow.add(Objects.toString(cell.getV()));
            Collections.sort(cellsInOneRow);
        }/*from   w  w  w .  ja v a  2 s. c  o m*/
        rowHashes.add(Hashing.sha1().hashString(cellsInOneRow.toString(), StandardCharsets.UTF_8));
    }
    return Hashing.combineUnordered(rowHashes).toString();
}

From source file:io.prestosql.operator.scalar.VarbinaryFunctions.java

@Description("compute sha1 hash")
@ScalarFunction//from  ww w.j  ava  2 s.  c om
@SqlType(StandardTypes.VARBINARY)
public static Slice sha1(@SqlType(StandardTypes.VARBINARY) Slice slice) {
    return Slices.wrappedBuffer(Hashing.sha1().hashBytes(slice.getBytes()).asBytes());
}

From source file:com.android.utils.FileUtils.java

@NonNull
public static String sha1(@NonNull File file) throws IOException {
    return Hashing.sha1().hashBytes(Files.toByteArray(file)).toString();
}

From source file:org.apache.hadoop.hdfs.server.blockmanagement.HashBuckets.java

public static byte[] hash(long blockId, long generationStamp, long numBytes, int replicaState) {
    return Hashing.sha1().newHasher().putLong(blockId).putLong(generationStamp).putLong(numBytes)
            .putInt(replicaState).hash().asBytes();
}

From source file:dodola.anole.lib.FileUtils.java

/**
 * Chooses a directory name, based on a JAR file name, considering exploded-aar and classes.jar.
 *//*from  w  w  w .  ja  v a  2 s  .co m*/

public static String getDirectoryNameForJar(File inputFile) {
    // add a hash of the original file path.
    HashFunction hashFunction = Hashing.sha1();
    HashCode hashCode = hashFunction.hashString(inputFile.getAbsolutePath(), Charsets.UTF_16LE);

    String name = Files.getNameWithoutExtension(inputFile.getName());
    if (name.equals("classes") && inputFile.getAbsolutePath().contains("exploded-aar")) {
        // This naming scheme is coming from DependencyManager#computeArtifactPath.
        File versionDir = inputFile.getParentFile().getParentFile();
        File artifactDir = versionDir.getParentFile();
        File groupDir = artifactDir.getParentFile();

        name = Joiner.on('-').join(groupDir.getName(), artifactDir.getName(), versionDir.getName());
    }
    name = name + "_" + hashCode.toString();
    return name;
}

From source file:com.facebook.buck.core.build.engine.buildinfo.DefaultOnDiskBuildInfo.java

@Override
public void writeOutputHashes(FileHashCache fileHashCache) throws IOException {
    ImmutableSortedSet<Path> pathsForArtifact = getPathsForArtifact();

    // Grab and record the output hashes in the build metadata so that cache hits avoid re-hashing
    // file contents.  Since we use output hashes for input-based rule keys and for detecting
    // non-determinism, we would spend a lot of time re-hashing output paths -- potentially in
    // serialized in a single step. So, do the hashing here to distribute the workload across
    // several threads and cache the results.
    ImmutableSortedMap.Builder<String, String> outputHashes = ImmutableSortedMap.naturalOrder();
    Hasher hasher = Hashing.sha1().newHasher();
    for (Path path : pathsForArtifact) {
        String pathString = path.toString();
        HashCode fileHash = fileHashCache.get(projectFilesystem, path);
        hasher.putBytes(pathString.getBytes(Charsets.UTF_8));
        hasher.putBytes(fileHash.asBytes());
        outputHashes.put(pathString, fileHash.toString());
    }//  ww w .j a v  a 2 s.  c o  m

    projectFilesystem.writeContentsToPath(ObjectMappers.WRITER.writeValueAsString(outputHashes.build()),
            metadataDirectory.resolve(BuildInfo.MetadataKey.RECORDED_PATH_HASHES));

    projectFilesystem.writeContentsToPath(hasher.hash().toString(),
            metadataDirectory.resolve(BuildInfo.MetadataKey.OUTPUT_HASH));
}

From source file:org.macgyver.mercator.ucs.UCSScanner.java

String computeMercatorIdFromDn(String dn) {
    return Hashing.sha1().hashString(qualifyDn(dn), Charsets.UTF_8).toString();
}

From source file:com.facebook.buck.util.cache.impl.DefaultFileHashCache.java

private HashCodeAndFileType getDirHashCode(Path path) throws IOException {
    Hasher hasher = Hashing.sha1().newHasher();
    PathHashing.hashPath(hasher, this, projectFilesystem, path);
    return HashCodeAndFileType.ofDirectory(hasher.hash());
}

From source file:com.android.utils.FileUtils.java

/**
 * Chooses a directory name, based on a JAR file name, considering exploded-aar and classes.jar.
 *//*from   w w w . j  a  v a 2s  .c  o  m*/
@NonNull
public static String getDirectoryNameForJar(@NonNull File inputFile) {
    // add a hash of the original file path.
    HashFunction hashFunction = Hashing.sha1();
    HashCode hashCode = hashFunction.hashString(inputFile.getAbsolutePath(), Charsets.UTF_16LE);

    String name = Files.getNameWithoutExtension(inputFile.getName());
    if (name.equals("classes") && inputFile.getAbsolutePath().contains("exploded-aar")) {
        // This naming scheme is coming from DependencyManager#computeArtifactPath.
        File versionDir = inputFile.getParentFile().getParentFile();
        File artifactDir = versionDir.getParentFile();
        File groupDir = artifactDir.getParentFile();

        name = Joiner.on('-').join(groupDir.getName(), artifactDir.getName(), versionDir.getName());
    }
    name = name + "_" + hashCode.toString();
    return name;
}

From source file:org.apache.druid.indexing.common.task.MergeTaskBase.java

private static String computeProcessingID(final String dataSource, final List<DataSegment> segments) {
    final String segmentIDs = Joiner.on("_").join(
            Iterables.transform(Ordering.natural().sortedCopy(segments), new Function<DataSegment, String>() {
                @Override//from   w  ww  .j a v a 2  s  . com
                public String apply(DataSegment x) {
                    return StringUtils.format("%s_%s_%s_%s", x.getInterval().getStart(),
                            x.getInterval().getEnd(), x.getVersion(), x.getShardSpec().getPartitionNum());
                }
            }));

    return StringUtils.format("%s_%s", dataSource,
            Hashing.sha1().hashString(segmentIDs, StandardCharsets.UTF_8).toString());
}