Example usage for com.google.common.hash PrimitiveSink putBytes

Introduction

In this page you can find the example usage for com.google.common.hash PrimitiveSink putBytes.

Prototype

PrimitiveSink putBytes(byte[] bytes, int off, int len);

Source Link

Document

Puts a chunk of an array of bytes into this sink.

Usage

From source file:com.tinspx.util.io.ByteUtils.java

/**
 * Copies the entire contents of {@code from} into {@code to}.
 * /*from   w w w . ja  v  a2 s  .c  om*/
 * @param from the source to read bytes from
 * @param to the destination to copy bytes read from {@code from} into
 * @throws IOException if an IOException occurs
 * @throws NullPointerException if either {@code from} or {@code to} is null
 */
@ThreadLocalArray(8192)
public static void copy(@NonNull ByteBuffer from, @NonNull PrimitiveSink to) {
    if (!from.hasRemaining()) {
        return;
    }
    if (from.hasArray()) {
        to.putBytes(from.array(), from.arrayOffset() + from.position(), from.remaining());
        from.position(from.limit());
        return;
    }
    final byte bytes[] = threadLocalArray8K();
    do {
        int r = Math.min(bytes.length, from.remaining());
        from.get(bytes, 0, r);
        to.putBytes(bytes, 0, r);
    } while (from.hasRemaining());
}

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From source file:com.tinspx.util.io.ByteUtils.java

/**
 * Copies at most {@code limit} bytes from {@code from} into {@code to},
 * returning the total number of bytes copied. Neither {@code from} nor
 * {@code to} is closed, and {@code to} is not flushed.
 * /*from  w w  w. j a v  a  2  s  .co m*/
 * @param from the source to read bytes from
 * @param to the destination to copy bytes read from {@code from} into
 * @param limit the maximum number of bytes to copy
 * @return the total number of bytes copied from {@code from} to {@code to}
 * @throws IOException if an IOException occurs
 * @throws NullPointerException if either {@code from} or {@code to} is null
 * @throws IllegalArgumentException if {@code limit} is negative
 */
@ThreadLocalArray(8192)
public static long copy(@NonNull @WillNotClose InputStream from, @NonNull PrimitiveSink to, long limit)
        throws IOException {
    checkLimit(limit);
    final byte[] buf = threadLocalArray8K();
    long total = 0;
    while (total < limit) {
        int r = from.read(buf, 0, (int) Math.min(buf.length, limit - total));
        if (r > 0) {
            to.putBytes(buf, 0, r);
            total += r;
        } else if (r < 0) {
            break;
        }
    }
    return total;
}

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