Helper.java

package eu.europeana.cloud.service.mcs.rest;

import org.apache.commons.io.IOUtils;

import java.io.IOException;
import java.io.InputStream;
import java.util.Random;

/**
 * @author krystian.
 */
public class Helper {
    public static byte[] readFully(InputStream instance, int length) throws IOException {
        byte[] actual = new byte[length];
        IOUtils.readFully(instance,actual);
        return actual;
    }

    public static byte[] generateRandom(int size) {
        byte[] buf = new byte[size];
        new Random().nextBytes(buf);
        return buf;
    }

    public static byte[] generateSeq(int size) {
        byte[] expected;
        expected = new byte[size];
        for (int i = 0; i < expected.length; i++) {
            expected[i] = (byte) i;
        }
        return expected;
    }
}