sandmark.watermark.objectwm
Class objectHelper

java.lang.Object
  |
  +--sandmark.watermark.objectwm.objectHelper

public class objectHelper

extends java.lang.Object

This class contains the support methods required by the "Insertion" method

Constructor Summary

objectHelper()

Method Summary

boolean	codeMatch(java.lang.String[] str1, java.lang.String[] str2, int numInstr) Compares two instruction opcode in string format
static void	display_VectorInfo(java.util.Vector vec, java.lang.String mesg) Displays watermark vector information
java.lang.String	getOpcode(java.lang.String instrCode) Extracts the opcode from the instruction code
int	getRandomValue(int low, int high) returns a random value within specified boundary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

objectHelper

public objectHelper()

Method Detail

getRandomValue

public int getRandomValue(int low,
                          int high)

returns a random value within specified boundary

codeMatch

public boolean codeMatch(java.lang.String[] str1,
                         java.lang.String[] str2,
                         int numInstr)

Compares two instruction opcode in string format

display_VectorInfo

public static void display_VectorInfo(java.util.Vector vec,
                                      java.lang.String mesg)

Displays watermark vector information

getOpcode

public java.lang.String getOpcode(java.lang.String instrCode)

Extracts the opcode from the instruction code