org.apache.xpath.operations

Class String

Implemented Interfaces:
ExpressionNode, ExpressionOwner, java.io.Serializable, SourceLocator, XPathVisitable

public class String
extends UnaryOperation

The 'string()' operation expression executer.

See Also:
Serialized Form

Method Summary

XObject
operate(XObject right)
Apply the operation to two operands, and return the result.

Methods inherited from class org.apache.xpath.operations.UnaryOperation

callVisitors, canTraverseOutsideSubtree, deepEquals, execute, fixupVariables, getExpression, getOperand, operate, setExpression, setRight

Methods inherited from class org.apache.xpath.Expression

asIterator, asIteratorRaw, asNode, assertion, bool, canTraverseOutsideSubtree, deepEquals, error, execute, execute, execute, execute, executeCharsToContentHandler, exprAddChild, exprGetChild, exprGetNumChildren, exprGetParent, exprSetParent, fixupVariables, getColumnNumber, getExpressionOwner, getLineNumber, getPublicId, getSystemId, isNodesetExpr, isStableNumber, num, warn, xstr

Method Details

operate

public XObject operate(XObject right)
            throws TransformerException
Apply the operation to two operands, and return the result.
Overrides:
operate in interface UnaryOperation

Parameters:
right - non-null reference to the evaluated right operand.

Returns:
non-null reference to the XObject that represents the result of the operation.

Throws:
TransformerException -


Copyright B) 2004 Apache XML Project. All Rights Reserved.