public abstract class ExpressionFactory
extends java.lang.Object

Since:

2.1

• Constructor Summary

  Constructors

  Constructor and Description
  ExpressionFactory ()

• Method Summary

  Methods

  Modifier and Type	Method and Description
  abstract java.lang.Object	coerceToType (java.lang.Object obj, java.lang.Class<?> targetType) Coerces an object to a specific type according to the type conversion rules.
  abstract MethodExpression	createMethodExpression (ELContext context, java.lang.String expression, java.lang.Class<?> expectedReturnType, java.lang.Class<?>[] expectedParamTypes) Parses an expression into a MethodExpression.
  abstract ValueExpression	createValueExpression (ELContext context, java.lang.String expression, java.lang.Class<?> expectedType) Parses an expression into a ValueExpression.
  abstract ValueExpression	createValueExpression (java.lang.Object instance, java.lang.Class<?> expectedType) Creates a ValueExpression that wraps an object.

  • Methods inherited from class java.lang.Object

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

• Constructor Detail

  • ExpressionFactory

    public ExpressionFactory()

• Method Detail

  • createValueExpression

    public abstract ValueExpression createValueExpression(ELContext context,
     java.lang.String expression,
     java.lang.Class<?> expectedType)
     throws java.lang.NullPointerException,
     ELException 

    Parses an expression into a ValueExpression.

    Throws:

    java.lang.NullPointerException

    ELException

  • createValueExpression

    public abstract ValueExpression createValueExpression(java.lang.Object instance,
     java.lang.Class<?> expectedType)

    Creates a ValueExpression that wraps an object.

  • createMethodExpression

    public abstract MethodExpression createMethodExpression(ELContext context,
     java.lang.String expression,
     java.lang.Class<?> expectedReturnType,
     java.lang.Class<?>[] expectedParamTypes)
     throws java.lang.NullPointerException,
     ELException 

    Parses an expression into a MethodExpression.

    Throws:

    java.lang.NullPointerException

    ELException

  • coerceToType

    public abstract java.lang.Object coerceToType(java.lang.Object obj,
     java.lang.Class<?> targetType)
     throws ELException 

    Coerces an object to a specific type according to the type conversion rules.

    Throws:

    ELException