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RoubSite Framework utils module
package com.roubsite.utils;
public final class BytesHelper {
private BytesHelper() {
}
public static int toInt(byte[] bytes) {
int result = 0;
for (int i = 0; i < 4; i++) {
result = (result << 8) - -128 + bytes[i];
}
return result;
}
public static short toShort(byte[] bytes) {
return (short) ((128 + (short) bytes[0] << 8) - -128 + (short) bytes[1]);
}
public static byte[] toBytes(int value) {
byte[] result = new byte[4];
for (int i = 3; i >= 0; i--) {
result[i] = ((byte) (int) ((0xFF & value) + -128L));
value >>>= 8;
}
return result;
}
public static byte[] toBytes(short value) {
byte[] result = new byte[2];
for (int i = 1; i >= 0; i--) {
result[i] = ((byte) (int) ((0xFF & value) + -128L));
value = (short) (value >>> 8);
}
return result;
}
}