org.zkoss.xel.util
Class SimpleResolver

java.lang.Object
  org.zkoss.xel.util.SimpleResolver

All Implemented Interfaces:

java.io.Serializable, VariableResolver

public class SimpleResolver
extends java.lang.Object
implements VariableResolver, java.io.Serializable

A simple resolver that retrieve variable from a map.

Note: since 5.0.8, it becomes serializable. Thus, the parent and vars parameter of SimpleResolver(VariableResolver, Map) have to serializable in the clustering environment.

Since:

3.0.0

Author:

tomyeh

See Also:

Serialized Form

Field Summary

protected java.util.Map<java.lang.String,?>

_vars The variable maps.

Constructor Summary

SimpleResolver()
Constructs a resolver.

SimpleResolver(java.util.Map<java.lang.String,?> vars)
Constructs a resolver with an object map.

SimpleResolver(VariableResolver parent)
Constructs a resolver with a parent.

SimpleResolver(VariableResolver parent, java.util.Map<java.lang.String,?> vars)
Constructs a resolver with a parent and an object map.

Method Summary

VariableResolver	getParent() Returns the parent, or null if no parent at all.
java.lang.Object	resolveVariable(java.lang.String name) Resolves the specified variable.
void	setParent(VariableResolver parent) Sets the parent.

Methods inherited from class java.lang.Object

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

Field Detail

_vars

protected java.util.Map<java.lang.String,?> _vars

The variable maps.

Constructor Detail

SimpleResolver

public SimpleResolver()

Constructs a resolver.

SimpleResolver

public SimpleResolver(VariableResolver parent)

Constructs a resolver with a parent.

Parameters:

parent - the parent resolver (null means ignored).

SimpleResolver

public SimpleResolver(VariableResolver parent,
                      java.util.Map<java.lang.String,?> vars)

Constructs a resolver with a parent and an object map.

Parameters:

parent - the parent resolver (null means ignored).

vars - the object map (null means ignored)

SimpleResolver

public SimpleResolver(java.util.Map<java.lang.String,?> vars)

Constructs a resolver with an object map.

Parameters:

vars - the object map (null means ignored)

Method Detail

getParent

public VariableResolver getParent()

Returns the parent, or null if no parent at all.

setParent

public void setParent(VariableResolver parent)

Sets the parent.

Parameters:

parent - the parent resolver, or null if no parent.

resolveVariable

public java.lang.Object resolveVariable(java.lang.String name)
                                 throws XelException

Description copied from interface: VariableResolver

Resolves the specified variable.

Specified by:

resolveVariable in interface VariableResolver

Parameters:

name - the name of the variable to resolve

Throws:

XelException