/*
* Copyright 2010 NCHOVY
*
* 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 org.krakenapps.pcap.util;
/**
* @author mindori
*/
public class ByteOrderConverter {
private ByteOrderConverter() {
}
public static int swap(int value) {
int a = value;
int b = (a >> 24) & 0xFF;
int c = (a >> 8) & 0xFF00;
int d = (a << 8) & 0xFF0000;
int e = (a << 24) & 0xFF000000;
return (b | c | d | e);
}
public static short swap(short value) {
short a = value;
short b = (short) ((a >> 8) & 0xFF);
short c = (short) ((a << 8) & 0xFF00);
return (short)(b | c);
}
public static long swap(long value){
long v = 0;
for (int i = 7; i >= 0; i--) {
v |= ((value >> ((7 - i) * 8)) & 0xff);
if(i ==0){
break;
}
v <<= 8;
}
return v;
/*
long convert=0;
convert = ((value & 0xff00000000000000l) >> 56) |
((value & 0x00ff000000000000l) >> 40) |
((value & 0x0000ff0000000000l) >> 24) |
((value & 0x000000ff00000000l) >> 8) |
((value & 0x00000000ff000000l) << 8) |
((value & 0x0000000000ff0000l) << 24) |
((value & 0x000000000000ff00l) << 40) |
((value & 0x00000000000000ffl) << 56);
return convert;*/
}
}