de.codesourcery.versiontracker.common.Utils Maven / Gradle / Ivy
/**
* Copyright 2018 Tobias Gierke
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package de.codesourcery.versiontracker.common;
public class Utils {
private static final char[] HEX_CHARS = "0123456789abcdef".toCharArray();
public static String toHex(byte[] data)
{
final StringBuilder buffer = new StringBuilder( data.length*2 );
for ( byte value : data ) {
final int hi = (value >>> 4) & 0xf;
final int lo = value & 0xf;
buffer.append( HEX_CHARS[ hi ] );
buffer.append( HEX_CHARS[ lo ] );
}
return buffer.toString();
}
}