}

    @Override
    public String toString() {
        return primitiveType.toString(array);
    }

    @Override
    public void appendToHasher(Hasher hasher) {
        primitiveType.appendTo(hasher, array);
    }

    @Override
    public ValueSnapshot snapshot(@Nullable Object value, ValueSnapshotter snapshotter) {
        PrimitiveType valueType = PrimitiveType.maybeOfValue(value);

/**
 * An abstract implementation of {@link Hasher}, which only requires subtypes to implement {@link
 * #putByte}. Subtypes may provide more efficient implementations, however.
 *
 * @author Dimitris Andreou
 */
@ElementTypesAreNonnullByDefault
abstract class AbstractHasher implements Hasher {
  @Override
  @CanIgnoreReturnValue
  public final Hasher putBoolean(boolean b) {
    return putByte(b ? (byte) 1 : (byte) 0);

class KeyHasherTest extends Specification {
    def "can reuse to hash more than one key"() {
        def hasher = new KeyHasher(BaseSerializerFactory.LONG_SERIALIZER)

        expect:
        hasher.getHashCode(12L) != hasher.getHashCode(11L)
        hasher.getHashCode(12L) == hasher.getHashCode(12L)
        hasher.getHashCode(12L) == new KeyHasher(BaseSerializerFactory.LONG_SERIALIZER).getHashCode(12L)
    }

    @TempDir
    File tempDir

    def hasher = new LineEndingNormalizingInputStreamHasher()

    def "can normalize line endings in files (eol = '#description')"() {
        def unnormalized = file('unnormalized.txt') << content.textWithLineEndings(eol)
        def normalized = file('normalized.txt') << content.textWithLineEndings('\n')

        expect:

    public boolean shouldBeIgnored(String entry) {
        return ignores.contains(entry);
    }

    @Override
    public void appendConfigurationToHasher(Hasher hasher) {
        hasher.putString(getClass().getName());
        for (String ignore : ignores) {
            hasher.putString(ignore);
        }
    }

        }
        return resourceHash;
    }

    private static HashCode resourceHashCacheKey(HashCode contentHash, HashCode configurationHash) {
        Hasher hasher = Hashing.newHasher();
        hasher.putHash(configurationHash);
        hasher.putHash(contentHash);
        return hasher.hash();
    }

    private static class GuavaProcessor implements HashProcessor {
        private final Hasher hasher;

        public GuavaProcessor(Hasher hasher) {
            this.hasher = hasher;
        }

        @Override
        public void process(byte[] input, Blackhole blackhole) {
            hasher.putBytes(input);
            blackhole.consume(hasher.hash());
        }
    }

  private final ByteBuffer scratch = ByteBuffer.allocate(8).order(ByteOrder.LITTLE_ENDIAN);

  /** Updates this hasher with the given byte. */
  protected abstract void update(byte b);

  /** Updates this hasher with the given bytes. */
  protected void update(byte[] b) {
    update(b, 0, b.length);
  }

  /** Updates this hasher with {@code len} bytes starting at {@code off} in the given buffer. */

        this.attributeResourceFilter = attributeResourceFilter;
    }

    @Override
    public void appendConfigurationToHasher(Hasher hasher) {
        super.appendConfigurationToHasher(hasher);
        hasher.putString(getClass().getName());
        attributeResourceFilter.appendConfigurationToHasher(hasher);
    }

    @Override
    boolean filter(RegularFileSnapshotContext context) {

        return hashZipContents(fileSnapshotContext.getSnapshot());
    }

    @Override
    public void appendConfigurationToHasher(Hasher hasher) {
        hasher.putString(getClass().getName());
        resourceHasher.appendConfigurationToHasher(hasher);
    }

    @Nullable
    private HashCode hashZipContents(RegularFileSnapshot zipFileSnapshot) {
        try {