edu.rit.flick.genetics.util.HexPrinter.java Source code

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Here is the source code for edu.rit.flick.genetics.util.HexPrinter.java

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/**
 *  COPYRIGHT (C) 2015 Alex Aiezza. All Rights Reserved.
 *
 *  See the LICENSE for the specific language governing permissions and
 *  limitations under the License provided with this project.
 */
package edu.rit.flick.genetics.util;

import static org.apache.commons.lang.StringUtils.leftPad;

import java.io.IOException;
import java.io.OutputStream;

/**
 * @author Alex Aiezza
 *
 */
public class HexPrinter {
    public static final int RADIX = Short.SIZE;

    public static void shortToFile(final short s, final OutputStream out) throws IOException {
        out.write(new byte[] { (byte) (s >> 8), (byte) (s & 0b1111_1111) });
    }

    public static String shortToHexString(final short s) {
        return leftPad(Integer.toHexString(s), 4, '0');
    }

    public static String shortToBinaryString(final short s) {
        return intToBinaryString(Short.toUnsignedInt(s));
    }

    public static String intToBinaryString(final int i) {
        final StringBuilder str = new StringBuilder(
                org.apache.commons.lang.StringUtils.leftPad(Integer.toBinaryString(i), 16, '0'));

        for (int idx = str.length() - 4; idx > 0; idx -= 4)
            str.insert(idx, "_");

        return str.toString();
    }

    private HexPrinter() {
    }
}