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java.lang.Objectjavax.faces.el.MethodBinding
MethodExpression.
public abstract class MethodBinding
MethodBinding is an object that can be used
to call an arbitrary public method, on an instance that is acquired by
evaluatng the leading portion of a method binding expression via a
ValueBinding. An immutable MethodBinding for a particular
method binding expression can be acquired by calling the
createMethodBinding() method of the
Application instance for this web
application.
| Constructor Summary | |
|---|---|
MethodBinding()
Deprecated. |
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| Method Summary | |
|---|---|
String |
getExpressionString()
Deprecated. Return the (possibly null) expression String,
with leading and trailing delimiters, from which this
MethodBinding was built. |
abstract Class |
getType(FacesContext context)
Deprecated. Return the Java class representing the return type from the method identified by this method binding expression. |
abstract Object |
invoke(FacesContext context,
Object[] params)
Deprecated. Return the return value (if any) resulting from a call to the method identified by this method binding expression, passing it the specified parameters, relative to the specified FacesContext. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public MethodBinding()
| Method Detail |
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public abstract Object invoke(FacesContext context,
Object[] params)
throws EvaluationException,
MethodNotFoundException
Return the return value (if any) resulting from a call to the
method identified by this method binding expression, passing it
the specified parameters, relative to the specified FacesContext.
context - FacesContext for the current requestparams - Array of parameters to be passed to the called method,
or null for no parameters
EvaluationException - if an exception is thrown
by the called method (the thrown exception must be included as the
cause property of this exception)
MethodNotFoundException - if no suitable method can be found
NullPointerException - if context
is null
public abstract Class getType(FacesContext context)
throws MethodNotFoundException
Return the Java class representing the return type from the method identified by this method binding expression.
context - FacesContext for the current request
MethodNotFoundException - if no suitable method can be found
NullPointerException - if context
is nullpublic String getExpressionString()
Return the (possibly null) expression String,
with leading and trailing delimiters, from which this
MethodBinding was built. The default implementation
returns null.
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Copyright 2006 Sun Microsystems, Inc. All rights reserved.