Package ognl

Class NumericExpression

java.lang.Object

ognl.SimpleNode

ognl.ExpressionNode

ognl.NumericExpression

All Implemented Interfaces:

java.io.Serializable, JavaSource, Node, NodeType

public abstract class NumericExpression
extends ExpressionNode
implements NodeType

Base class for numeric expressions.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected java.lang.Class	_getterClass

Fields inherited from class ognl.SimpleNode

_children, _id, _parent, _parser

Constructor Summary

Constructors

Constructor	Description
NumericExpression(int id)
NumericExpression(OgnlParser p, int id)

Method Summary

Modifier and Type	Method	Description
java.lang.String	coerceToNumeric(java.lang.String source, OgnlContext context, Node child)
java.lang.Class	getGetterClass()	The type returned from the expression - if any.
java.lang.Class	getSetterClass()	The type used to set the value - if any.
java.lang.String	toGetSourceString(OgnlContext context, java.lang.Object target)	Expected to return a java source representation of itself such that it could be turned into a literal java expression to be compiled and executed for ExpressionAccessor.get(OgnlContext, Object) calls.

Methods inherited from class ognl.ExpressionNode

getExpressionOperator, isConstant, isNodeConstant, toSetSourceString, toString

Methods inherited from class ognl.SimpleNode

dump, evaluateGetValueBody, evaluateSetValueBody, flattenTree, getAccessor, getIndexInParent, getNextSibling, getValue, getValueBody, isNodeSimpleProperty, isSimpleNavigationChain, isSimpleProperty, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, lastChild, setAccessor, setValue, setValueBody, toString

Methods inherited from class java.lang.Object

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

Field Detail

_getterClass

protected java.lang.Class _getterClass

Constructor Detail

NumericExpression

public NumericExpression(int id)

NumericExpression

public NumericExpression(OgnlParser p,
                         int id)

Method Detail

getGetterClass

public java.lang.Class getGetterClass()

Description copied from interface: NodeType

The type returned from the expression - if any.

Specified by:

getGetterClass in interface NodeType

Returns:

The type.

getSetterClass

public java.lang.Class getSetterClass()

Description copied from interface: NodeType

The type used to set the value - if any.

Specified by:

getSetterClass in interface NodeType

Returns:

The type.

toGetSourceString

public java.lang.String toGetSourceString(OgnlContext context,
                                          java.lang.Object target)

Description copied from interface: JavaSource

Expected to return a java source representation of itself such that it could be turned into a literal java expression to be compiled and executed for ExpressionAccessor.get(OgnlContext, Object) calls.

Specified by:

toGetSourceString in interface JavaSource

Overrides:

toGetSourceString in class ExpressionNode

Returns:

Literal java string representation of an object get.

coerceToNumeric

public java.lang.String coerceToNumeric(java.lang.String source,
                                        OgnlContext context,
                                        Node child)