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.grouplens.lenskit.util.io.Descriptions.java

/**
 * Create a description writer that will compute a SHA1 hash.
 *
 * @return A description writer computing a SHA1 hash.
 *//*w  w  w . jav  a  2s .  c o m*/
public static HashDescriptionWriter sha1Writer() {
    return hashWriter(Hashing.sha1());
}

From source file:com.facebook.buck.cxx.LcUuidScrubber.java

@Override
public void scrubFile(FileChannel file) throws IOException, ScrubException {
    if (!Machos.isMacho(file)) {
        return;/*from  w  w  w. j  a v  a 2 s. co  m*/
    }

    long size = file.size();
    MappedByteBuffer map = file.map(FileChannel.MapMode.READ_WRITE, 0, size);

    try {
        Machos.setUuid(map, ZERO_UUID);
    } catch (Machos.MachoException e) {
        throw new ScrubException(e.getMessage());
    }
    map.rewind();

    Hasher hasher = Hashing.sha1().newHasher();
    while (map.hasRemaining()) {
        hasher.putByte(map.get());
    }

    map.rewind();
    try {
        Machos.setUuid(map, Arrays.copyOf(hasher.hash().asBytes(), 16));
    } catch (Machos.MachoException e) {
        throw new ScrubException(e.getMessage());
    }
}

From source file:com.android.sdklib.repository.License.java

public License(@NonNull String license, @Nullable String licenseRef) {
    mLicense = license;
    mLicenseRef = licenseRef;
    mLicenseHash = Hashing.sha1().hashBytes(mLicense.getBytes()).toString();
}

From source file:com.facebook.buck.cxx.toolchain.objectfile.LcUuidContentsScrubber.java

@Override
public void scrubFile(FileChannel file) throws IOException, ScrubException {
    if (!Machos.isMacho(file)) {
        return;// ww w  . j  av a 2  s. com
    }

    long size = file.size();
    MappedByteBuffer map = file.map(FileChannel.MapMode.READ_WRITE, 0, size);

    try {
        Machos.setUuidIfPresent(map, ZERO_UUID);
    } catch (Machos.MachoException e) {
        throw new ScrubException(e.getMessage());
    }
    map.rewind();

    Hasher hasher = Hashing.sha1().newHasher();
    while (map.hasRemaining()) {
        hasher.putByte(map.get());
    }

    map.rewind();
    try {
        Machos.setUuidIfPresent(map, Arrays.copyOf(hasher.hash().asBytes(), 16));
    } catch (Machos.MachoException e) {
        throw new ScrubException(e.getMessage());
    }
}

From source file:com.facebook.buck.file.FileHash.java

/** Get the hash function for this type of hash */
public HashFunction getHashFunction() {
    if (sha1OrSha256.isLeft()) {
        return Hashing.sha1();
    } else {//from  w  w w .j  a  v a  2  s  .  co m
        return Hashing.sha256();
    }
}

From source file:com.google.gerrit.server.util.RequestId.java

private RequestId(String resourceId) {
    Hasher h = Hashing.sha1().newHasher();
    h.putLong(Thread.currentThread().getId()).putUnencodedChars(MACHINE_ID);
    str = "[" + resourceId + "-" + TimeUtil.nowTs().getTime() + "-" + h.hash().toString().substring(0, 8) + "]";
}

From source file:io.macgyver.core.resource.provider.filesystem.FileSystemResource.java

@Override
public String getHash() throws IOException {
    return Files.hash(fileObject, Hashing.sha1()).toString();

}

From source file:com.facebook.buck.features.project.intellij.StringTemplateFile.java

public static boolean writeToFile(ProjectFilesystem projectFilesystem, ST contents, Path path,
        Path ideaConfigDir) throws IOException {

    byte[] renderedContentsBytes = contents.render().getBytes();
    projectFilesystem.createParentDirs(path);
    if (projectFilesystem.exists(path)) {
        Sha1HashCode fileSha1 = projectFilesystem.computeSha1(path);
        Sha1HashCode contentsSha1 = Sha1HashCode.fromHashCode(Hashing.sha1().hashBytes(renderedContentsBytes));
        if (fileSha1.equals(contentsSha1)) {
            return false;
        }//from   www .ja  va2 s.  c  o m

        boolean danglingTempFile = false;
        Path tempFile = projectFilesystem.createTempFile(ideaConfigDir, path.getFileName().toString(), ".tmp");
        try {
            danglingTempFile = true;
            try (OutputStream outputStream = projectFilesystem.newFileOutputStream(tempFile)) {
                outputStream.write(renderedContentsBytes);
            }
            projectFilesystem.move(tempFile, path, StandardCopyOption.REPLACE_EXISTING);
            danglingTempFile = false;
        } finally {
            if (danglingTempFile) {
                projectFilesystem.deleteFileAtPath(tempFile);
            }
        }
    } else {
        try (OutputStream outputStream = projectFilesystem.newFileOutputStream(path)) {
            outputStream.write(renderedContentsBytes);
        }
    }
    return true;
}

From source file:com.eventsourcing.h2.index.UniqueIndex.java

public static <A, O extends Entity> UniqueIndex<A, O> onAttribute(MVStore store, Attribute<O, A> attribute) {
    return onAttribute(store, attribute, Hashing.sha1());
}

From source file:minium.cucumber.report.domain.Embedding.java

@JsonInclude(Include.NON_NULL)
public String getSha1Hash() {
    if (sha1Hash == null && data != null) {
        sha1Hash = Hashing.sha1().hashBytes(data).toString();
    }//  w  w w  .  j  a v  a 2 s.  c o  m
    return sha1Hash;
}