ponderEnforcement.ponderMC.policyObjects
Class Utils

java.lang.Object
  |
  +--ponderEnforcement.ponderMC.policyObjects.Utils

public class Utils

extends java.lang.Object

Function: Defines constants etc needed by all classes in the project

Field Summary

static int	EXECUTION_ALLOW
static int	EXECUTION_DISALLOW
static int	POLICY_STATE_DORMANT
static int	POLICY_STATE_ENABLED
static int	POLICY_STATE_LOADED

Constructor Summary

Utils()

Method Summary

static java.lang.Object

getExpressionValue(ExpressionI expr, int exprType, Type valType, PonderEventI event, BasicPolicyI policy) Returns the Value of the given expression.

Methods inherited from class java.lang.Object

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

Field Detail

POLICY_STATE_DORMANT

public static final int POLICY_STATE_DORMANT

POLICY_STATE_LOADED

public static final int POLICY_STATE_LOADED

POLICY_STATE_ENABLED

public static final int POLICY_STATE_ENABLED

EXECUTION_ALLOW

public static final int EXECUTION_ALLOW

EXECUTION_DISALLOW

public static final int EXECUTION_DISALLOW

Constructor Detail

Utils

public Utils()

Method Detail

getExpressionValue

public static java.lang.Object getExpressionValue(ExpressionI expr,
                                                  int exprType,
                                                  Type valType,
                                                  PonderEventI event,
                                                  BasicPolicyI policy)

Returns the Value of the given expression. If the expression or the value is not of the given Type, it returns null. ### Currently it only deals with literal Expressions

Parameters:

expr - The expression to get the value of

exprType - The type which we want the expression to be. -1 if we do not care about this parameter

valType - The type which we want the value to be. If null then we do not care about this parameter type

event - The runtime event from which to get parameter values if needed

policy - The BasicPolicy from which to get parameter values if needed

Returns:

The value of the Expression or null if the expression is not of the given expression type or the value is not of the given type