/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* 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 org.eclipse.webdav.internal.authentication;
/**
* This class provides a function that converts byte arrays to their
* equivalent hexadecimal string.
*/
public final class HexConverter {
/**
* Converts the given byte array to its equivalent hexadecimal string
* and returns the result.
*/
public static String toHex(byte[] arr) {
StringBuffer buf = new StringBuffer();
for (int i = 0; i < arr.length; ++i) {
buf.append(Integer.toHexString((arr[i] >> 4) & 0x0f));
buf.append(Integer.toHexString(arr[i] & 0x0f));
}
return buf.toString();
}
/**
* Converts the given int array to its equivalent hexadecimal string
* and returns the result.
*/
public static String toHex(int[] arr) {
StringBuffer buf = new StringBuffer();
for (int i = 0; i < arr.length; ++i) {
buf.append(Integer.toHexString((arr[i] >> 28) & 0x0000000f));
buf.append(Integer.toHexString((arr[i] >> 24) & 0x0000000f));
buf.append(Integer.toHexString((arr[i] >> 20) & 0x0000000f));
buf.append(Integer.toHexString((arr[i] >> 16) & 0x0000000f));
buf.append(Integer.toHexString((arr[i] >> 12) & 0x0000000f));
buf.append(Integer.toHexString((arr[i] >> 8) & 0x0000000f));
buf.append(Integer.toHexString((arr[i] >> 4) & 0x0000000f));
buf.append(Integer.toHexString((arr[i]) & 0x0000000f));
}
return buf.toString();
}
}