SimpleExpression (pki-javadoc)

java.lang.Object
- org.dogtagpki.legacy.core.policy.SimpleExpression

All Implemented Interfaces:

IExpression
```
public class SimpleExpression
extends java.lang.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 and Description

static org.slf4j.Logger logger

static SimpleExpression NULL_EXPRESSION

static 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

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

Constructor Summary

Constructors
Constructor and Description
`SimpleExpression(java.lang.String var, int op, java.lang.String val)`
`SimpleExpression(java.lang.String prefix, java.lang.String var, int op, java.lang.String val)`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`evaluate(IRequest req)` Evaluate the Expression.
`static IExpression`	`parse(java.lang.String input)`
`java.lang.String`	`toString()` Convert to a string.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

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 Detail

SimpleExpression

public SimpleExpression(java.lang.String var,
                        int op,
                        java.lang.String val)

SimpleExpression

public SimpleExpression(java.lang.String prefix,
                        java.lang.String var,
                        int op,
                        java.lang.String val)

Method Detail
- parse
```
public static IExpression parse(java.lang.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 java.lang.String toString()
```
  Description copied from interface: IExpression
  
  Convert to a string.
  
  Specified by:
  
  toString in interface IExpression
  
  Overrides:
  
  toString in class java.lang.Object

Class SimpleExpression

Field Summary

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

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

logger

WILDCARD_CHAR

NULL_EXPRESSION

Constructor Detail

SimpleExpression

SimpleExpression

Method Detail

parse

evaluate

toString