Package ognl
Class ExpressionNode
- java.lang.Object
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- ognl.SimpleNode
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- ognl.ExpressionNode
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- All Implemented Interfaces:
java.io.Serializable
,JavaSource
,Node
- Direct Known Subclasses:
BooleanExpression
,NumericExpression
public abstract class ExpressionNode extends SimpleNode
- Author:
- Luke Blanshard (blanshlu@netscape.net), Drew Davidson (drew@ognl.org)
- See Also:
- Serialized Form
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Field Summary
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Fields inherited from class ognl.SimpleNode
_children, _id, _parent, _parser
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Constructor Summary
Constructors Constructor Description ExpressionNode(int i)
ExpressionNode(OgnlParser p, int i)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.String
getExpressionOperator(int index)
boolean
isConstant(OgnlContext context)
boolean
isNodeConstant(OgnlContext context)
Returns true iff this node is constant without respect to the children.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 forExpressionAccessor.get(OgnlContext, Object)
calls.java.lang.String
toSetSourceString(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 forExpressionAccessor.get(OgnlContext, Object)
calls.java.lang.String
toString()
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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
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Constructor Detail
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ExpressionNode
public ExpressionNode(int i)
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ExpressionNode
public ExpressionNode(OgnlParser p, int i)
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Method Detail
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isNodeConstant
public boolean isNodeConstant(OgnlContext context) throws OgnlException
Returns true iff this node is constant without respect to the children.- Overrides:
isNodeConstant
in classSimpleNode
- Throws:
OgnlException
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isConstant
public boolean isConstant(OgnlContext context) throws OgnlException
- Overrides:
isConstant
in classSimpleNode
- Throws:
OgnlException
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getExpressionOperator
public java.lang.String getExpressionOperator(int index)
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toString
public java.lang.String toString()
- Overrides:
toString
in classSimpleNode
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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 forExpressionAccessor.get(OgnlContext, Object)
calls.- Specified by:
toGetSourceString
in interfaceJavaSource
- Overrides:
toGetSourceString
in classSimpleNode
- Returns:
- Literal java string representation of an object get.
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toSetSourceString
public java.lang.String toSetSourceString(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 forExpressionAccessor.get(OgnlContext, Object)
calls.- Specified by:
toSetSourceString
in interfaceJavaSource
- Overrides:
toSetSourceString
in classSimpleNode
- Returns:
- Literal java string representation of an object get.
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