package jCard;
import java.io.*;
public class Applet {
/** add functions*/
/**
*<li> Transforms an input Ascii stream into a BCD stream, the return value indicates the length of output
*<li>There is no check for the validity of the input Ascii stream(as you claimed), so please promise that
* the input is a valid Ascii stream before a call to this function
* <li>Caution: It is not promised to produce expected result if the input and output buffer range overlayed
* E.G.:
* <li> 3130 -> 0010
* 323130 -> 0210
*
* @param inArray
* @param inOffset
* @param length
* @param outArray
* @param outOffset
* @return
*
* @exception java.lang.ArrayIndexOutOfBoundsException
* <li>The exception will be thrown when an index is out of the boundary of buffer.
* @exception java.lang.NullPointerException
* <li>The exception will be thrown when input array or output array is null.
**/
public static short Ascii2BCD(byte[] inArray, short inOffset, short inLength, byte[] outArray, short outOffset){
short i;
if((short)(inLength%2) != 0){
outArray[outOffset] = (byte)((inArray[inOffset]-(byte)0x30) & (byte)0x0f);
outOffset += 1;
inOffset += 1;
inLength -= 1;
}
for(i = 0; i < inLength; ){
outArray[outOffset] = (byte)((((inArray[(short)(inOffset+i)]-(byte)0x30) << (byte)4)&(byte)0xf0)+
((inArray[(short)(inOffset+i+1)]-(byte)0x30)&(byte)0x0f));
outOffset += 1;
i = (short)(i+2);
}
return (short)((inLength+1)/2);
}
/**
*<li> Transforms an input Ascii stream into a DEC stream, the return value indicates the length of output
*<li>There is no check for the validity of the input Ascii stream(as you claimed), so please promise that
* the input is a valid Ascii stream before a call to this function
* <li>Caution: It is not promised to produce expected result if the input and output buffer range overlayed
* E.G.:
* <li> 0031 -> 0001
*
*
* @param inArray
* @param inOffset
