Package org.zkoss.xel.util
Class SimpleResolver
- java.lang.Object
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- org.zkoss.xel.util.SimpleResolver
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- 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
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Field Summary
Fields Modifier and Type Field Description protected java.util.Map<java.lang.String,?>
_vars
The variable maps.
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Constructor Summary
Constructors Constructor Description 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.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description 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.
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Constructor Detail
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SimpleResolver
public SimpleResolver()
Constructs a resolver.
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SimpleResolver
public SimpleResolver(VariableResolver parent)
Constructs a resolver with a parent.- Parameters:
parent
- the parent resolver (null means ignored).
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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)
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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)
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Method Detail
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getParent
public VariableResolver getParent()
Returns the parent, or null if no parent at all.
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setParent
public void setParent(VariableResolver parent)
Sets the parent.- Parameters:
parent
- the parent resolver, or null if no parent.
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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 interfaceVariableResolver
- Parameters:
name
- the name of the variable to resolve- Throws:
XelException
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