com.cc.framework.ui
Class ELSupport

java.lang.Object
  com.cc.framework.ui.ELSupport

public abstract class ELSupport

extends java.lang.Object

Common Controls Expression Language (EL) Support class

Version:

$Revision: 1.8 $

Author:

Harald Schulz

Nested Class Summary

protected static class	ELSupport.BeanVariableResolver Variable Resolver
protected static class	ELSupport.ELFunctionMapper Function Mapper
protected static class	ELSupport.ELLogger Logger

Field Summary

private static org.apache.commons.logging.Log

log Logging instance

Constructor Summary

private

ELSupport() Constructor

Method Summary

static java.lang.Object	evaluate(javax.servlet.jsp.PageContext ctx, java.lang.String expression) Evaluates the given expression or expression string.
static java.lang.Object	evaluate(javax.servlet.jsp.PageContext ctx, java.lang.String expression, java.lang.Object bean, java.lang.String beanName) Evaluates the given expression or expression string.
static java.lang.String	evaluateToString(javax.servlet.jsp.PageContext ctx, java.lang.String expression) Evaluates the given expression or expression string.

Methods inherited from class java.lang.Object

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

Field Detail

log

private static org.apache.commons.logging.Log log

Logging instance

Constructor Detail

ELSupport

private ELSupport()

Constructor

Method Detail

evaluateToString

public static java.lang.String evaluateToString(javax.servlet.jsp.PageContext ctx,
                                                java.lang.String expression)
                                         throws javax.servlet.jsp.el.ELException,
                                                org.apache.commons.el.parser.ParseException

Evaluates the given expression or expression string. The bean is made accessible under the identifier beanName

Parameters:

ctx - Jsp Page Context

expression - The Expression

Returns:

Returns the result

Throws:

javax.servlet.jsp.el.ELException - is thrown in case of an expression error

org.apache.commons.el.parser.ParseException - is thrown in case of a syntax error

evaluate

public static java.lang.Object evaluate(javax.servlet.jsp.PageContext ctx,
                                        java.lang.String expression)
                                 throws javax.servlet.jsp.el.ELException,
                                        org.apache.commons.el.parser.ParseException

Evaluates the given expression or expression string. The bean is made accessible under the identifier beanName

Parameters:

ctx - Jsp Page Context

expression - The Expression

Returns:

Returns the result

Throws:

javax.servlet.jsp.el.ELException - is thrown in case of an expression error

org.apache.commons.el.parser.ParseException - is thrown in case of a syntax error

evaluate

public static java.lang.Object evaluate(javax.servlet.jsp.PageContext ctx,
                                        java.lang.String expression,
                                        java.lang.Object bean,
                                        java.lang.String beanName)
                                 throws javax.servlet.jsp.el.ELException,
                                        org.apache.commons.el.parser.ParseException

Evaluates the given expression or expression string. The bean is made accessible under the identifier beanName

Parameters:

ctx - Jsp Page Context

expression - The Expression

bean - The Bean

beanName - The identifier under which the bean is made visible (default is "bean")

Returns:

Returns the result

Throws:

javax.servlet.jsp.el.ELException - is thrown in case of an expression error

org.apache.commons.el.parser.ParseException - is thrown in case of a syntax error