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Packed strings.

There is a newer version: 0.6.0

package cdc.util.pstrings;

import java.nio.ByteBuffer;

final class PackedString32 extends PackedString {
    private final int f1;
    private final int f2;
    private final int f3;
    private final int f4;
    private final int f5;
    private final int f6;
    private final int f7;
    private final int f8;

    public PackedString32(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;
        f5 = get(bytes, 19) | get(bytes, 18) << 8 | get(bytes, 17) << 16 | get(bytes, 16) << 24;
        f6 = get(bytes, 23) | get(bytes, 22) << 8 | get(bytes, 21) << 16 | get(bytes, 20) << 24;
        f7 = get(bytes, 27) | get(bytes, 26) << 8 | get(bytes, 25) << 16 | get(bytes, 24) << 24;
        f8 = get(bytes, 31) | get(bytes, 30) << 8 | get(bytes, 29) << 16 | get(bytes, 28) << 24;
    }

    @Override
    protected byte[] toBytes() {
        final ByteBuffer buffer = ByteBuffer.allocate(64);
        buffer.putInt(f1);
        buffer.putInt(f2);
        buffer.putInt(f3);
        buffer.putInt(f4);
        buffer.putInt(f5);
        buffer.putInt(f6);
        buffer.putInt(f7);
        buffer.putInt(f8);
        return buffer.array();
    }

    @Override
    public boolean equals(Object other) {
        if (this == other) {
            return true;
        }
        if (other == null || getClass() != other.getClass()) {
            return false;
        }
        final PackedString32 o = (PackedString32) other;
        return f1 == o.f1 && f2 == o.f2 && f3 == o.f3 && f4 == o.f4 && f5 == o.f5 && f6 == o.f6 && f7 == o.f7
                && f8 == o.f8;
    }

    @Override
    public int hashCode() {
        int result = f1;
        result = 31 * result + f2;
        result = 31 * result + f3;
        result = 31 * result + f4;
        result = 31 * result + f5;
        result = 31 * result + f6;
        result = 31 * result + f7;
        result = 31 * result + f8;
        return result;
    }
}