Class SimpleExpression

java.lang.Object

org.dogtagpki.legacy.core.policy.SimpleExpression

All Implemented Interfaces:

IExpression

public class SimpleExpression
extends Object
implements IExpression

This class represents an expression of the form var = val, var val, var val, var val, var val, var val. Expressions are used as predicates for policy selection.

Version:

$Revision$, $Date$

Author:

kanda

Field Summary

Fields

Modifier and Type	Field	Description
static org.slf4j.Logger	logger
static SimpleExpression	NULL_EXPRESSION
static final char	WILDCARD_CHAR

Fields inherited from interface org.dogtagpki.legacy.policy.IExpression

EQUAL_STR, GE_STR, GT_STR, LE_STR, LT_STR, NEQUAL_STR, OP_EQUAL, OP_GE, OP_GT, OP_LE, OP_LT, OP_NEQUAL

Constructor Summary

Constructors

Constructor	Description
SimpleExpression(String var, int op, String val)
SimpleExpression(String prefix, String var, int op, String val)

Method Summary

Modifier and Type	Method	Description
boolean	evaluate(IRequest req)	Evaluate the Expression.
static IExpression	parse(String input)
String	toString()	Convert to a string.

Methods inherited from class java.lang.Object

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

Field Details

logger

public static org.slf4j.Logger logger

WILDCARD_CHAR

public static final char WILDCARD_CHAR

See Also:

• Constant Field Values

NULL_EXPRESSION

public static SimpleExpression NULL_EXPRESSION

Constructor Details

SimpleExpression

public SimpleExpression(String var,
 int op,
 String val)

SimpleExpression

public SimpleExpression(String prefix,
 String var,
 int op,
 String val)

Method Details

parse

public static IExpression parse(String input)
                         throws EPolicyException

Throws:

EPolicyException

evaluate

public boolean evaluate(IRequest req)
                 throws EPolicyException

Description copied from interface: IExpression

Evaluate the Expression.

Specified by:

evaluate in interface IExpression

Parameters:

req - The PKIRequest on which we are applying the condition.

Returns:

The return value.

Throws:

EPolicyException

toString

public String toString()

Description copied from interface: IExpression

Convert to a string.

Specified by:

toString in interface IExpression

Overrides:

toString in class Object