Package org.apache.el
Class ExpressionFactoryImpl
- java.lang.Object
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- javax.el.ExpressionFactory
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- org.apache.el.ExpressionFactoryImpl
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public class ExpressionFactoryImpl extends ExpressionFactory
- Author:
- Jacob Hookom [jacob@hookom.net]
- See Also:
ExpressionFactory
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Constructor Summary
Constructors Constructor Description ExpressionFactoryImpl()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.ObjectcoerceToType(java.lang.Object obj, java.lang.Class<?> type)Coerce the supplied object to the requested type.MethodExpressioncreateMethodExpression(ELContext context, java.lang.String expression, java.lang.Class<?> expectedReturnType, java.lang.Class<?>[] expectedParamTypes)Create a new method expression instance.ValueExpressioncreateValueExpression(java.lang.Object instance, java.lang.Class<?> expectedType)ValueExpressioncreateValueExpression(ELContext context, java.lang.String expression, java.lang.Class<?> expectedType)Create a new value expression.ELResolvergetStreamELResolver()-
Methods inherited from class javax.el.ExpressionFactory
getInitFunctionMap, newInstance, newInstance
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Method Detail
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coerceToType
public java.lang.Object coerceToType(java.lang.Object obj, java.lang.Class<?> type)Description copied from class:javax.el.ExpressionFactoryCoerce the supplied object to the requested type.- Specified by:
coerceToTypein classExpressionFactory- Parameters:
obj- The object to be coercedtype- The type to which the object should be coerced- Returns:
- An instance of the requested type.
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createMethodExpression
public MethodExpression createMethodExpression(ELContext context, java.lang.String expression, java.lang.Class<?> expectedReturnType, java.lang.Class<?>[] expectedParamTypes)
Description copied from class:javax.el.ExpressionFactoryCreate a new method expression instance.- Specified by:
createMethodExpressionin classExpressionFactory- Parameters:
context- The EL context for this evaluationexpression- The String representation of the method expressionexpectedReturnType- The expected type of the result of invoking the methodexpectedParamTypes- The expected types of the input parameters- Returns:
- A new method expression formed from the input parameters.
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createValueExpression
public ValueExpression createValueExpression(ELContext context, java.lang.String expression, java.lang.Class<?> expectedType)
Description copied from class:javax.el.ExpressionFactoryCreate a new value expression.- Specified by:
createValueExpressionin classExpressionFactory- Parameters:
context- The EL context for this evaluationexpression- The String representation of the value expressionexpectedType- The expected type of the result of evaluating the expression- Returns:
- A new value expression formed from the input parameters
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createValueExpression
public ValueExpression createValueExpression(java.lang.Object instance, java.lang.Class<?> expectedType)
- Specified by:
createValueExpressionin classExpressionFactory
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getStreamELResolver
public ELResolver getStreamELResolver()
- Overrides:
getStreamELResolverin classExpressionFactory- Returns:
- This default implementation returns null
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