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/**
* ============LICENSE_START===================================================
* SPARKY (AAI UI service)
* ============================================================================
* Copyright © 2017 AT&T Intellectual Property.
* Copyright © 2017 Amdocs
* All rights reserved.
* ============================================================================
* 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.
* ============LICENSE_END=====================================================
*
* ECOMP and OpenECOMP are trademarks
* and service marks of AT&T Intellectual Property.
*/
package org.openecomp.sparky.util;
/**
* The Class RawByteHelper.
*/
public class RawByteHelper {
private static final byte[] HEX_CHAR =
new byte[] {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
/**
* Dump bytes.
*
* @param buffer the buffer
* @return the string
*/
/*
* TODO -> DOCUMENT ME!
*
* @param buffer DOCUMENT ME!
*
* @return DOCUMENT ME!
*/
public static String dumpBytes(byte[] buffer) {
if (buffer == null) {
return "";
}
String newLine = System.getProperty("line.separator");
StringBuffer sb = new StringBuffer();
for (int i = 0; i < buffer.length; i++) {
if (i != 0 && i % 16 == 0) {
sb.append(newLine);
}
// sb.append("0x").append((char) (HEX_CHAR[(buffer[i] & 0x00F0) >> 4])).append((char)
// (HEX_CHAR[buffer[i] & 0x000F])).append(" ");
sb.append((char) (HEX_CHAR[(buffer[i] & 0x00F0) >> 4]))
.append((char) (HEX_CHAR[buffer[i] & 0x000F])).append(" ");
}
return sb.toString();
}
// if you're trying to figure out why or's w/ FF's see:
/**
* Bytes to int.
*
* @param one the one
* @param two the two
* @param three the three
* @param four the four
* @return the int
*/
// http://www.darksleep.com/player/JavaAndUnsignedTypes.html
public static int bytesToInt(byte one, byte two, byte three, byte four) {
return (((0xFF & one) << 24) | ((0xFF & two) << 16) | ((0xFF & three) << 8) | ((0xFF & four)));
}
/**
* Bytes to short.
*
* @param one the one
* @param two the two
* @return the short
*/
public static short bytesToShort(byte one, byte two) {
return (short) (((0xFF & one) << 8) | (0xFF & two));
}
/**
* First byte.
*
* @param num the num
* @return the byte
*/
// short helper functions
static byte firstByte(short num) {
return (byte) ((num >> 8) & 0xFF);
}
/**
* First byte.
*
* @param num the num
* @return the byte
*/
// Int helper functions
static byte firstByte(int num) {
return (byte) ((num >> 24) & 0xFF);
}
/**
* Second byte.
*
* @param num the num
* @return the byte
*/
static byte secondByte(short num) {
return (byte) (num & 0xFF);
}
/**
* Second byte.
*
* @param num the num
* @return the byte
*/
static byte secondByte(int num) {
return (byte) ((num >> 16) & 0xFF);
}
/**
* Third byte.
*
* @param num the num
* @return the byte
*/
static byte thirdByte(int num) {
return (byte) ((num >> 8) & 0xFF);
}
/**
* Fourth byte.
*
* @param num the num
* @return the byte
*/
static byte fourthByte(int num) {
return (byte) (num & 0xFF);
}
/**
* Int to byte.
*
* @param value the value
* @return the byte
*/
public static byte intToByte(int value) {
return fourthByte(value);
}
/**
* Int to short.
*
* @param value the value
* @return the short
*/
public static short intToShort(int value) {
return (short) ((value & 0xFF00) | (value & 0xFF));
}
}
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