Package de.neuland.jade4j.expression

Class JexlExpressionHandler

java.lang.Object

de.neuland.jade4j.expression.JexlExpressionHandler

All Implemented Interfaces:

ExpressionHandler

public class JexlExpressionHandler
extends Object
implements ExpressionHandler

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor	Description
JexlExpressionHandler()

Method Summary

Modifier and Type	Method	Description
void	assertExpression(String expression)
void	clearCache()
private String	convertMinusMinusExpression(String expression)
private String	convertPlusPlusExpression(String expression)
Boolean	evaluateBooleanExpression(String expression, JadeModel model)
Object	evaluateExpression(String expression, JadeModel model)
String	evaluateStringExpression(String expression, JadeModel model)
private String	removeVar(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 Details

MAX_ENTRIES

private static final int MAX_ENTRIES

See Also:

• Constant Field Values

plusplus

public static Pattern plusplus

isplusplus

public static Pattern isplusplus

minusminus

public static Pattern minusminus

isminusminus

public static Pattern isminusminus

jexl

private org.apache.commons.jexl2.JexlEngine jexl

Constructor Details

JexlExpressionHandler

public JexlExpressionHandler()

Method Details

evaluateBooleanExpression

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

Specified by:

evaluateBooleanExpression in interface ExpressionHandler

Throws:

ExpressionException

evaluateExpression

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

Specified by:

evaluateExpression in interface ExpressionHandler

Throws:

ExpressionException

convertMinusMinusExpression

private String convertMinusMinusExpression(String expression)

convertPlusPlusExpression

private String convertPlusPlusExpression(String expression)

removeVar

private String removeVar(String expression)

assertExpression

public void assertExpression(String expression)
                      throws ExpressionException

Specified by:

assertExpression in interface ExpressionHandler

Throws:

ExpressionException

evaluateStringExpression

public String evaluateStringExpression(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