package org.apidesign.cycles.array;

import java.io.IOException;

import java.io.OutputStream;

import org.openide.util.Lookup;

// BEGIN: nocycles.ma2

public class MutableArray {

    private byte[] arr;

    public MutableArray(byte[] arr) {

        this.arr = arr;

    }

    public void xor(byte b) {

        for (int i = 0; i < arr.length; i++) { arr[i] ^= b; }

    }

    public void encrypt(OutputStream os) throws IOException {

        DoEncode en = Lookup.getDefault().lookup(DoEncode.class);

        assert en != null : "org.netbeans.example.crypt missing!";

        byte[] clone = (byte[]) arr.clone();

        en.encode(clone);

        os.write(clone);

    }    

}

// END: nocycles.ma2