com.cc.framework.ui.model.value
Class DeferredEnvironment

java.lang.Object
  com.cc.framework.ui.model.value.DeferredEnvironment

public class DeferredEnvironment

extends java.lang.Object

Environment for executing expressions

Version:

$Revision: 1.11 $

Author:

Harald Schulz

Nested Class Summary

protected static class	DeferredEnvironment.BeanVariableResolver Variable Resolver
protected static class	DeferredEnvironment.ELFunctionMapper Function mapper
protected static class	DeferredEnvironment.ELLogger Logger

Field Summary

static java.lang.String	BEAN_NAME The name that can be used in deferred expressions to access the (row-) bean
private javax.servlet.jsp.el.FunctionMapper	functionMapper Function mapper for custom functions
private static org.apache.commons.logging.Log	log Logging instance
private org.apache.commons.el.Logger	logger Logger
private javax.servlet.jsp.PageContext	pageContext The Page Context of the current JSP page
private DeferredEnvironment.BeanVariableResolver	variableResolver The variable resolver that gives access to the (row-)bean

Constructor Summary

DeferredEnvironment(javax.servlet.jsp.PageContext pageContext)
Constructor

DeferredEnvironment(javax.servlet.jsp.PageContext pageContext, java.lang.Object bean)
Constructor

Method Summary

protected java.lang.Object	evaluate(java.lang.String expression) Evaluates the given expression or expression string (multiple expressions in one string).
java.lang.Object	getBean() Retrieves the (row-) bean
javax.servlet.jsp.PageContext	getPageContext()
void	setBean(java.lang.Object bean) Sets the (row-) bean

Methods inherited from class java.lang.Object

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

Field Detail

BEAN_NAME

public static final java.lang.String BEAN_NAME

The name that can be used in deferred expressions to access the (row-) bean

See Also:

Constant Field Values

log

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

Logging instance

pageContext

private javax.servlet.jsp.PageContext pageContext

The Page Context of the current JSP page

variableResolver

private DeferredEnvironment.BeanVariableResolver variableResolver

The variable resolver that gives access to the (row-)bean

functionMapper

private javax.servlet.jsp.el.FunctionMapper functionMapper

Function mapper for custom functions

logger

private org.apache.commons.el.Logger logger

Logger

Constructor Detail

DeferredEnvironment

public DeferredEnvironment(javax.servlet.jsp.PageContext pageContext)

Constructor

Parameters:

pageContext - The Page Context of the current JSP page

DeferredEnvironment

public DeferredEnvironment(javax.servlet.jsp.PageContext pageContext,
                           java.lang.Object bean)

Constructor

Parameters:

pageContext - The Page Context of the current JSP page

bean - The (row-) bean

Method Detail

setBean

public void setBean(java.lang.Object bean)

Sets the (row-) bean

Parameters:

bean - the (row-) bean

getBean

public java.lang.Object getBean()

Retrieves the (row-) bean

Returns:

the (row-) bean

getPageContext

public javax.servlet.jsp.PageContext getPageContext()

Returns:

the pageContext

evaluate

protected java.lang.Object evaluate(java.lang.String expression)

Evaluates the given expression or expression string (multiple expressions in one string). The bean is made accessible under the identifier BEAN_NAME

Parameters:

expression - The Expression

Returns:

Returns the result