// 
// Decompiled by Procyon v0.6.0
// 

package com.google.crypto.tink.util;

import com.google.crypto.tink.subtle.Hex;
import java.util.Arrays;
import com.google.errorprone.annotations.Immutable;

@Immutable
public final class Bytes
{
    private final byte[] data;
    
    public static Bytes copyFrom(final byte[] data) {
        if (data == null) {
            throw new NullPointerException("data must be non-null");
        }
        return copyFrom(data, 0, data.length);
    }
    
    public static Bytes copyFrom(final byte[] data, final int start, int len) {
        if (data == null) {
            throw new NullPointerException("data must be non-null");
        }
        if (start + len > data.length) {
            len = data.length - start;
        }
        return new Bytes(data, start, len);
    }
    
    public byte[] toByteArray() {
        final byte[] result = new byte[this.data.length];
        System.arraycopy(this.data, 0, result, 0, this.data.length);
        return result;
    }
    
    public int size() {
        return this.data.length;
    }
    
    private Bytes(final byte[] buf, final int start, final int len) {
        System.arraycopy(buf, start, this.data = new byte[len], 0, len);
    }
    
    @Override
    public boolean equals(final Object o) {
        if (!(o instanceof Bytes)) {
            return false;
        }
        final Bytes other = (Bytes)o;
        return Arrays.equals(other.data, this.data);
    }
    
    @Override
    public int hashCode() {
        return Arrays.hashCode(this.data);
    }
    
    @Override
    public String toString() {
        return "Bytes(" + Hex.encode(this.data) + ")";
    }
}