Package org.zkoss.zel
Class StaticFieldELResolver
- java.lang.Object
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- org.zkoss.zel.ELResolver
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- org.zkoss.zel.StaticFieldELResolver
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public class StaticFieldELResolver extends ELResolver
- Since:
- EL 3.0
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Field Summary
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Fields inherited from class org.zkoss.zel.ELResolver
RESOLVABLE_AT_DESIGN_TIME, TYPE
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Constructor Summary
Constructors Constructor Description StaticFieldELResolver()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.Class<?>
getCommonPropertyType(ELContext context, java.lang.Object base)
Always returnsString.class
.java.util.Iterator<java.beans.FeatureDescriptor>
getFeatureDescriptors(ELContext context, java.lang.Object base)
Always returnsnull
.java.lang.Class<?>
getType(ELContext context, java.lang.Object base, java.lang.Object property)
java.lang.Object
getValue(ELContext context, java.lang.Object base, java.lang.Object property)
java.lang.Object
invoke(ELContext context, java.lang.Object base, java.lang.Object method, java.lang.Class<?>[] paramTypes, java.lang.Object[] params)
Invokes a method on the the given object.boolean
isReadOnly(ELContext context, java.lang.Object base, java.lang.Object property)
void
setValue(ELContext context, java.lang.Object base, java.lang.Object property, java.lang.Object value)
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Methods inherited from class org.zkoss.zel.ELResolver
convertToType
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Method Detail
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getValue
public java.lang.Object getValue(ELContext context, java.lang.Object base, java.lang.Object property)
- Specified by:
getValue
in classELResolver
- Parameters:
context
- The EL context for this evaluationbase
- The base object on which the property is to be foundproperty
- The property whose value is to be returned- Returns:
- the value of the provided property
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setValue
public void setValue(ELContext context, java.lang.Object base, java.lang.Object property, java.lang.Object value)
- Specified by:
setValue
in classELResolver
- Parameters:
context
- The EL context for this evaluationbase
- The base object on which the property is to be foundproperty
- The property whose value is to be setvalue
- The value to set the property to
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invoke
public java.lang.Object invoke(ELContext context, java.lang.Object base, java.lang.Object method, java.lang.Class<?>[] paramTypes, java.lang.Object[] params)
Description copied from class:ELResolver
Invokes a method on the the given object. This default implementation always returnsnull
.- Overrides:
invoke
in classELResolver
- Parameters:
context
- The EL context for this evaluationbase
- The base object on which the method is to be foundmethod
- The method to invokeparamTypes
- The types of the parameters of the method to invokeparams
- The parameters with which to invoke the method- Returns:
- Always
null
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getType
public java.lang.Class<?> getType(ELContext context, java.lang.Object base, java.lang.Object property)
- Specified by:
getType
in classELResolver
- Parameters:
context
- The EL context for this evaluationbase
- The base object on which the property is to be foundproperty
- The property whose type is to be returned- Returns:
- the type of the provided property
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isReadOnly
public boolean isReadOnly(ELContext context, java.lang.Object base, java.lang.Object property)
- Specified by:
isReadOnly
in classELResolver
- Parameters:
context
- The EL context for this evaluationbase
- The base object on which the property is to be foundproperty
- The property to be checked for read only status- Returns:
true
if the identified property is read only, otherwisefalse
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getFeatureDescriptors
public java.util.Iterator<java.beans.FeatureDescriptor> getFeatureDescriptors(ELContext context, java.lang.Object base)
Always returnsnull
.- Specified by:
getFeatureDescriptors
in classELResolver
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getCommonPropertyType
public java.lang.Class<?> getCommonPropertyType(ELContext context, java.lang.Object base)
Always returnsString.class
.- Specified by:
getCommonPropertyType
in classELResolver
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