Package de.neuland.jade4j.expression

Class JexlExpressionHandler

java.lang.Object

de.neuland.jade4j.expression.JexlExpressionHandler

All Implemented Interfaces:

ExpressionHandler

public class JexlExpressionHandler
extends java.lang.Object
implements ExpressionHandler

Field Summary

Fields

Modifier and Type	Field	Description
static java.util.regex.Pattern	isminusminus
static java.util.regex.Pattern	isplusplus
private org.apache.commons.jexl2.JexlEngine	jexl
private static int	MAX_ENTRIES
static java.util.regex.Pattern	minusminus
static java.util.regex.Pattern	plusplus

Constructor Summary

Constructors

Constructor	Description
JexlExpressionHandler()

Method Summary

Modifier and Type	Method	Description
void	assertExpression(java.lang.String expression)
void	clearCache()
private java.lang.String	convertMinusMinusExpression(java.lang.String expression)
private java.lang.String	convertPlusPlusExpression(java.lang.String expression)
java.lang.Boolean	evaluateBooleanExpression(java.lang.String expression, JadeModel model)
java.lang.Object	evaluateExpression(java.lang.String expression, JadeModel model)
java.lang.String	evaluateStringExpression(java.lang.String expression, JadeModel model)
private java.lang.String	removeVar(java.lang.String expression)
void	setCache(boolean cache)

Methods inherited from class java.lang.Object

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

Field Detail

MAX_ENTRIES

private static final int MAX_ENTRIES

See Also:

Constant Field Values

plusplus

public static java.util.regex.Pattern plusplus

isplusplus

public static java.util.regex.Pattern isplusplus

minusminus

public static java.util.regex.Pattern minusminus

isminusminus

public static java.util.regex.Pattern isminusminus

jexl

private org.apache.commons.jexl2.JexlEngine jexl

Constructor Detail

JexlExpressionHandler

public JexlExpressionHandler()

Method Detail

evaluateBooleanExpression

public java.lang.Boolean evaluateBooleanExpression(java.lang.String expression,
                                                   JadeModel model)
                                            throws ExpressionException

Specified by:

evaluateBooleanExpression in interface ExpressionHandler

Throws:

ExpressionException

evaluateExpression

public java.lang.Object evaluateExpression(java.lang.String expression,
                                           JadeModel model)
                                    throws ExpressionException

Specified by:

evaluateExpression in interface ExpressionHandler

Throws:

ExpressionException

convertMinusMinusExpression

private java.lang.String convertMinusMinusExpression(java.lang.String expression)

convertPlusPlusExpression

private java.lang.String convertPlusPlusExpression(java.lang.String expression)

removeVar

private java.lang.String removeVar(java.lang.String expression)

assertExpression

public void assertExpression(java.lang.String expression)
                      throws ExpressionException

Specified by:

assertExpression in interface ExpressionHandler

Throws:

ExpressionException

evaluateStringExpression

public java.lang.String evaluateStringExpression(java.lang.String expression,
                                                 JadeModel model)
                                          throws ExpressionException

Specified by:

evaluateStringExpression in interface ExpressionHandler

Throws:

ExpressionException

setCache

public void setCache(boolean cache)

Specified by:

setCache in interface ExpressionHandler

clearCache

public void clearCache()

Specified by:

clearCache in interface ExpressionHandler