JRE Error
Dear all
I use jre1.5.0_05.i want to use java command for my program in command promt(windows xp sp2) mode.
but after running this command,this error is appeared:
Exception in thread "main" java.lang.NoClassDefFoundError.
this is my code:
package mb.gsm;
import java.util.*;
import java.text.*;
import org.w3c.dom.*;
import javax.xml.parsers.*;
import java.io.*;
public class Gsm
{
// converts the strings to numbers and adds them up the result is the sum as a string
public static String addDigits(String source, String param)
{
if(param.length() == 0)
throw(new IllegalArgumentException("Invalid parameter passed to addDigits") );
String shelp = new String();
int i;
for(i = 0;i < source.length();++i)
{
shelp += "3";
shelp += source.charAt(i);
}
source = shelp;
for(i = 0;i < source.length() / 2;i += 2)
{
if(source.charAt(i) != '3' || source.charAt(i) < '0' || source.charAt(i) >'9')
throw(new IllegalArgumentException("addDigits: Self contains bytes other than characters 0-9.") );
}
if (source.length() / 2 < param.length() )
throw(new IllegalArgumentException("addDigits: Self is to large for target.") );
String sP = param;
for(i = 0;i < source.length() / 2 - param.length();++i)
sP="0"+sP;
int carry = 0;
byte[] sumStr = source.getBytes();
// convert each digit to a number and add
for (i = sP.length() - 1;i >= 0 ;--i)
{
int op1 = sumStr[i * 2 + 1] - '0';
int op2 = sP.charAt(i) - '0';
int sum = op1 + op2 + carry;
carry = 0;
if (sum > 9)
{
carry = 1;
}
int digit = sum % 10 + '0';
sumStr[i * 2 + 1] = (byte)digit;
}
if(carry != 0)
throw(new IllegalArgumentException("addDigits: Overflow error.") );
String res = new String(sumStr);
return res;
}
// flips bytes in a string, returns the modified string
public static String flipBytePairs(String stringToModify)
{
if (stringToModify.length() % 4 != 0)
throw(new IllegalArgumentException("Invalid string passed to flipBytePairs") );
String modified = new String();
int i;
for (i = 0;i < stringToModify.length();i += 4)
{
modified += stringToModify.charAt(i + 2);
modified += stringToModify.charAt(i + 3);
modified += stringToModify.charAt(i + 0);
modified += stringToModify.charAt(i + 1);
}
return modified;
}
public static String fillLeft(String stringToFill, String hexStringToAppend, int length)
{
try
{
// throw exception if string is not valid
getByteFrom2HexDigits(hexStringToAppend);
}
catch(NumberFormatException ex)
{
throw(ex);
}
int n = 2 * length - stringToFill.length();
if (n < 0 || n % 2 != 0)
{
throw(new IllegalArgumentException("Invalid length passed to fillLeft") );
}
String filled = stringToFill;
int i;
for (i = 0;i < n;i += 2)
filled += hexStringToAppend;
return filled;
}
public static String fillRight(String stringToFill, String hexStringToInsert, int length)
{
try
{
// throw exception if string is not valid
getByteFrom2HexDigits(hexStringToInsert);
}
catch(NumberFormatException ex)
{
throw(ex);
}
int n = 2 * length - stringToFill.length();
if (n < 0 || n % 2 != 0)
{
throw(new IllegalArgumentException("Invalid length passed to fillLeft") );
}
String filled = stringToFill;
int i;
for (i = 0;i < n;i += 2)
filled = hexStringToInsert + filled;
return filled;
}
public static String flipNibbles(String source)
{
if(source.length() % 2 != 0)
throw (new IllegalArgumentException("Invalid hex string passed to flipNibbles") );
String target = new String();
int i;
for (i = 0;i < source.length();i += 2)
{
target += source.charAt(i + 1);
target += source.charAt(i + 0);
}
return target;
}
public static String addBcd(String source, String param)
{
int i;
for(i = 0;i < source.length();++i)
{
if(source.charAt(i) < '0' || source.charAt(i) > '9')
throw (new IllegalArgumentException("Invalid hex string passed to addBcd") );
}
if (param.length() == 0)
{
throw (new IllegalArgumentException("Invalid hex string passed to addBcd") );
}
for(i = 0;i < param.length();++i)
{
if(param.charAt(i) < '0' || param.charAt(i) >'9')
throw (new IllegalArgumentException("Invalid hex string passed to addBcd") );
}
String sP = param;
for(i = 0;i < source.length() - param.length();++i)
{
sP = "0" + sP;
}
String sumStr = new String();
int carry = 0;
// convert each digit to a number and add
for (i = sP.length() - 1;i >= 0 ;--i)
{
int op1 = source.charAt(i) - '0';
int op2 = sP.charAt(i) - '0';
int sum = op1 + op2 + carry;
carry = 0;
if (sum > 9)
{
carry = 1;
}
int digit = sum % 10 + '0';
sumStr = (char)digit + sumStr;
}
if(carry != 0)
throw (new IllegalArgumentException("addBcd: Overflow") );
return sumStr;
}
public static String luhnBcdCheckDigit(String source)
{
int i;
for(i = 0;i < source.length() - 1;++i)
{
if(source.charAt(i) <'0' || source.charAt(i) > '9')
throw (new IllegalArgumentException("luhnBcdCheckDigit: At least one nibble of self doesn't contain bcd.") );
}
int sum=0;
int nibble=0;
byte[] tmp = source.getBytes();
for(i = 0;i < source.length() - 1;++i)
{
if(i % 2 != 0)
{
sum += tmp - '0';
}
else
{
if ( (tmp - '0') * 2 > 9)
{
sum += ( (tmp - '0') * 2) % 10 + 1;
}
else
{
sum += (tmp - '0') * 2;
}
}
}
sum = ( ( (sum / 10) + 1) * 10 - sum) % 10;
tmp[source.length() - 1] = (byte)(sum + '0');
source = new String(tmp);
return source;
}
// helper method to convert a string of length 2 containing 2 hex digits to a byte
static byte getByteFrom2HexDigits(String hexStr)
{
if (hexStr.length() != 2)
throw(new NumberFormatException(new String("invalid string = " + hexStr) ) );
Integer num;
String toDecode = "0x" + hexStr;
try
{
num = Integer.decode(toDecode);
}
catch(NumberFormatException ex)
{
throw(ex);
}
return num.byteValue();
}
// helper function to convert a double to a hex string with a specified length
static String toHexString(double num, int lengthOfString)
{
String digits = "0123456789abcdef";
String hex = new String();
--lengthOfString;
int i;
for (i = lengthOfString;i >= 0;--i)
{
double p = Math.pow(16, i);
double r = num / p;
int j = (int)r;
if (j >= 0 && j < digits.length() )
{
hex += digits.charAt(j);
num -= (double)j * p;
}
}
return hex;
}
// helper function to convert a double to a digit string with a specified length
static String toDigitString(double num, int lengthOfString)
{
String digits = "0123456789";
String hex = new String();
--lengthOfString;
int i;
for (i = lengthOfString;i >= 0;--i)
{
double p = Math.pow(10, i);
double r = num / p;
int j = (int)r;
if (j >= 0 && j < digits.length() )
{
hex += digits.charAt(j);
num -= (double)j * p;
}
}
return hex;
}
// generate random number
static void mbsrand1(String param, int bt[])
{
File inputFile = new File("keycoding.bin");
int i;
for (i = 0;i < bt.length;++i)
bt = 0;
try
{
FileInputStream stream = new FileInputStream("keycoding.bin");
byte tmp[] = new byte[bt.length];
stream.read(tmp);
for (i = 0;i < tmp.length;++i)
{
bt = (int)tmp;
}
stream.close();
}
catch(IOException e)
{
System.out.println("Could not read keycoding.bin");
}
byte byteParam[] = param.getBytes();
int i1;
for (i1 = 0;i1 < bt.length;++i1)
{
int i2 = 1024 - 2 * bt[i1] + (int)(byteParam[i1 % byteParam.length]) - i1;
if (i1 == 0)
{
bt[i1] = i2 % 256;
}
else
{
bt[i1] = (i2 + bt[i1 - 1]) % 256;
}
}
for (i1 = 30; i1 >= 0;--i1)
{
bt[i1] = (bt[i1] + bt[i1 + 1] + i1) % 256;
}
}
/*
static String mbRandom(boolean hex, String random, String param)
{
if (random.length() % 2 != 0)
throw(new NumberFormatException(new String("invalid random = " + random) ) );
int binfo[] = new int[32];
param += "?";
mbsrand1(param, binfo);
byte tmp[] = random.getBytes();
if (hex)
{
int i;
for (i = 0;i < random.length() / 2;++i)
{
int ch = binfo[i % binfo.length];
if (ch / 16 > 9)
{
tmp[i * 2 + 0] = (byte)(ch / 16 + 65 - 10);
}
else
{
tmp[i * 2 + 0] = (byte)(ch / 16 + 48);
}
if (ch % 16 > 9)
{
tmp[i * 2 + 1] = (byte)( (ch % 16) + 65 - 10);
}
else
{
tmp[i * 2 + 1] = (byte)( (ch % 16) + 48);
}
}
}
else
{
int i;
for (i = 0;i < random.length() / 2;++i)
{
int ch = (int)binfo[i % binfo.length];
tmp[i * 2] = 3 + 48;
if (i % 2 == 0)
{
tmp[i * 2 + 1] = (byte)( (ch / 16) % 10 + 48);
}
else
{
tmp[i * 2 + 1] = (byte)( ( (ch % 16) % 10) + 48);
}
}
}
String result = new String(tmp);
return result;
}*/
static String mbRandom(boolean hex, int length)
{
if (length % 2 != 0)
throw(new NumberFormatException(new String("mbRandom: invalid length") ) );
byte tmp[] = new byte[length * 2];
if (hex)
{
int i;
for (i = 0;i < length;++i)
{
double rnd = Math.random() * 255;
int ch = (int)(rnd + 0.5);
if (ch / 16 > 9)
{
tmp[i * 2] = (byte)(ch / 16 + 65 - 10);
}
else
{
tmp[i * 2] = (byte)(ch / 16 + 48);
}
if (ch % 16 > 9)
{
tmp[i * 2 + 1] = (byte)( (ch % 16) + 65 - 10);
}
else
{
tmp[i * 2 + 1] = (byte)( (ch % 16) + 48);
}
}
}
else
{
int i;
for (i = 0;i < length;++i)
{
double rnd = Math.random() * 10;
int ch = (int)(rnd + 0.5);
tmp[i * 2] = (byte)(3 + 48);
tmp[i * 2 + 1] = (byte)( (ch % 10) + 48);
}
}
String result = new String(tmp);
return result;
}
public static String mbRandomDigits(int length)
{
return mbRandom(false, length);
}
public static String mbRandomHex(int length)
{
return mbRandom(true, length);
}
static String mbRandom(boolean hex, String random)
{
if (random.length() % 2 != 0)
throw(new NumberFormatException(new String("invalid random = " + random) ) );
byte tmp[] = random.getBytes();
if (hex)
{
int i;
for (i = 0;i < random.length() / 2;++i)
{
double rnd = Math.random() * 255;
int ch = (int)(rnd + 0.5);
if (ch / 16 > 9)
{
tmp[i * 2] = (byte)(ch / 16 + 65 - 10);
}
else
{
tmp[i * 2] = (byte)(ch / 16 + 48);
}
if (ch % 16 > 9)
{
tmp[i * 2 + 1] = (byte)( (ch % 16) + 65 - 10);
}
else
{
tmp[i * 2 + 1] = (byte)( (ch % 16) + 48);
}
}
}
else
{
int i;
for (i = 0;i < random.length() / 2;++i)
{
double rnd = Math.random() * 10;
int ch = (int)(rnd + 0.5);
tmp[i * 2] = (byte)(3 + 48);
tmp[i * 2 + 1] = (byte)( (ch % 10) + 48);
}
}
String result = new String(tmp);
return result;
}
public static String mbRandomDigits(String random)
{
return mbRandom(false, random);
}
public static String mbRandomHex(String random)
{
return mbRandom(true, random);
}
public static String checkSum(String source)
{
if(source.length() % 2 != 0)
throw (new IllegalArgumentException("checkSum: odd length of source") );
int nBytes = source.length() / 2;
int nSum = 0;
int i;
for(i = 0;i < nBytes;++i)
{
byte tmp = getByteFrom2HexDigits(source.substring(i * 2, i * 2 + 2) );
Byte b = new Byte(tmp);
nSum += b.intValue();
}
byte c = (new Integer(nSum) ).byteValue();
byte inv = (new Integer(255 - c) ).byteValue();
String hex = String.format("%2x", inv);
source = hex + source;
return source;
}
public static String ascii2char(String strascii)
{
String tmp = "";
for (int i = 1; i < strascii.length(); i+=2)
{
tmp += strascii.Substring(i, 1);
}
return tmp;
}
}
