cdc.util.pstrings.PackedString16 Maven / Gradle / Ivy

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package cdc.util.pstrings;

import java.nio.ByteBuffer;

final class PackedString16 extends PackedString {
    private final int f1;
    private final int f2;
    private final int f3;
    private final int f4;

    public PackedString16(final byte[] bytes) {
        f1 = get(bytes, 3) | get(bytes, 2) << 8 | get(bytes, 1) << 16 | get(bytes, 0) << 24;
        f2 = get(bytes, 7) | get(bytes, 6) << 8 | get(bytes, 5) << 16 | get(bytes, 4) << 24;
        f3 = get(bytes, 11) | get(bytes, 10) << 8 | get(bytes, 9) << 16 | get(bytes, 8) << 24;
        f4 = get(bytes, 15) | get(bytes, 14) << 8 | get(bytes, 13) << 16 | get(bytes, 12) << 24;
    }

    @Override
    protected byte[] toBytes() {
        final ByteBuffer buffer = ByteBuffer.allocate(64);
        buffer.putInt(f1);
        buffer.putInt(f2);
        buffer.putInt(f3);
        buffer.putInt(f4);
        return buffer.array();
    }

    @Override
    public boolean equals(Object other) {
        if (this == other) {
            return true;
        }
        if (other == null || getClass() != other.getClass()) {
            return false;
        }
        final PackedString16 o = (PackedString16) other;
        return f1 == o.f1 && f2 == o.f2 && f3 == o.f3 && f4 == o.f4;
    }

    @Override
    public int hashCode() {
        int result = f1;
        result = 31 * result + f2;
        result = 31 * result + f3;
        result = 31 * result + f4;
        return result;
    }
}