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org.apache.taglibs.rdc.scxml.env
Class ELContext  

java.lang.Object
  org.apache.taglibs.rdc.scxml.env.ELContext

All Implemented Interfaces:

org.apache.taglibs.rdc.scxml.Context, javax.servlet.jsp.el.VariableResolver

Direct Known Subclasses:

RootContext

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public class ELContext

extends java.lang.Object

implements org.apache.taglibs.rdc.scxml.Context, javax.servlet.jsp.el.VariableResolver

EL Context for SCXML interpreter.

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Field Summary
protected static org.apache.commons.logging.Log	log
protected  org.apache.taglibs.rdc.scxml.Context	parent
protected  java.util.HashMap	vars

 

Constructor Summary

ELContext()           Constructor

ELContext(org.apache.taglibs.rdc.scxml.Context parent)

 

Method Summary
java.lang.Object	get(java.lang.String name)           Get the value of this variable; delegating to parent
org.apache.taglibs.rdc.scxml.Context	getParent()           Get the parent Context, may be null
boolean	has(java.lang.String name)           Check if this variable exists, delegating to parent
java.util.Iterator	iterator()           Get an Iterator over all variables in this Context
void	reset()           Clear this Context
java.lang.Object	resolveVariable(java.lang.String pName)           Resolves the specified variable.
void	set(java.lang.String name, java.lang.Object value)           Assigns a new value to an existing variable or creates a new one.
void	setLocal(java.lang.String name, java.lang.Object value)           Assigns a new value to an existing variable or creates a new one.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

log

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

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parent

protected org.apache.taglibs.rdc.scxml.Context parent

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vars

protected java.util.HashMap vars

Constructor Detail

ELContext

public ELContext()

Constructor

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ELContext

public ELContext(org.apache.taglibs.rdc.scxml.Context parent)

Method Detail

set

public void set(java.lang.String name,
                java.lang.Object value)

Assigns a new value to an existing variable or creates a new one. The method searches the chain of parent Contexts for variable existence.

Specified by:

set in interface org.apache.taglibs.rdc.scxml.Context

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get

public java.lang.Object get(java.lang.String name)

Get the value of this variable; delegating to parent

Specified by:

get in interface org.apache.taglibs.rdc.scxml.Context

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has

public boolean has(java.lang.String name)

Check if this variable exists, delegating to parent

Specified by:

has in interface org.apache.taglibs.rdc.scxml.Context

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iterator

public java.util.Iterator iterator()

Get an Iterator over all variables in this Context

Specified by:

iterator in interface org.apache.taglibs.rdc.scxml.Context

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reset

public void reset()

Clear this Context

Specified by:

reset in interface org.apache.taglibs.rdc.scxml.Context

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getParent

public org.apache.taglibs.rdc.scxml.Context getParent()

Get the parent Context, may be null

Specified by:

getParent in interface org.apache.taglibs.rdc.scxml.Context

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setLocal

public void setLocal(java.lang.String name,
                     java.lang.Object value)

Assigns a new value to an existing variable or creates a new one. The method allows to shaddow a variable of the same name up the Context chain.

Specified by:

setLocal in interface org.apache.taglibs.rdc.scxml.Context

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resolveVariable

public java.lang.Object resolveVariable(java.lang.String pName)
                                 throws javax.servlet.jsp.el.ELException

Resolves the specified variable. Returns null if the variable is not found.

Specified by:

resolveVariable in interface javax.servlet.jsp.el.VariableResolver

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> apache >> taglibs >> rdc >> scxml >> [ env overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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