org.springmodules.validation.valang.parser
Class DefaultVisitor

java.lang.Object
  org.springmodules.validation.valang.parser.DefaultVisitor

All Implemented Interfaces:

ValangVisitor

public class DefaultVisitor
extends java.lang.Object
implements ValangVisitor

Allows registration of custom functions. Custom functions can overwrite default functions.

Default functions are:

• len, length, size
• upper
• lower
• !

Since:

Apr 23, 2005

Author:

Steven Devijver

Constructor Summary

DefaultVisitor()

Method Summary

DefaultDateParser	getDateParser()
Function	getFunction(java.lang.String name, Function[] arguments, int line, int column)
Predicate	getPredicate(Function leftFunction, Operator operator, Function rightFunction, int line, int column)
ValangVisitor	getVisitor()
void	setApplicationContext(ApplicationContext applicationContext)
void	setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher)
void	setBeanFactory(BeanFactory beanFactory)
void	setMessageSource(MessageSource messageSource)
void	setResourceLoader(ResourceLoader resourceLoader)
void	setServletContext(ServletContext servletContext)
void	setVisitor(ValangVisitor visitor) Register a custom visitor to look up custom functions.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultVisitor

public DefaultVisitor()

Method Detail

getFunction

public Function getFunction(java.lang.String name,
                            Function[] arguments,
                            int line,
                            int column)

Specified by:

getFunction in interface ValangVisitor

setVisitor

public void setVisitor(ValangVisitor visitor)

Register a custom visitor to look up custom functions. Lookup of functions will first be delegated to this visitor. If no function has been returned (null) lookup will be handled by DefaultVisitor.

Parameters:

visitor - the custom visitor

getVisitor

public ValangVisitor getVisitor()

getPredicate

public Predicate getPredicate(Function leftFunction,
                              Operator operator,
                              Function rightFunction,
                              int line,
                              int column)

getDateParser

public DefaultDateParser getDateParser()

setBeanFactory

public void setBeanFactory(BeanFactory beanFactory)
                    throws BeansException

Throws:

BeansException

setApplicationContext

public void setApplicationContext(ApplicationContext applicationContext)
                           throws BeansException

Throws:

BeansException

setResourceLoader

public void setResourceLoader(ResourceLoader resourceLoader)

setMessageSource

public void setMessageSource(MessageSource messageSource)

setServletContext

public void setServletContext(ServletContext servletContext)

setApplicationEventPublisher

public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher)