Hi all,
Would it be possible to include a vistor pattern in Jaxen? The Expr
interface would have to include a method visit as follows
public void visit(ExprVisitor visitor) throws JaxenException,
The interface ExprVisitor would be defined as follows:
public interface ExprVisitor{
public ExprVisitor handle(PathExpr expr);
publicExprVisitor handle(LiteralExpr expr);
.......etc
}
This allows the expression tree to be used for different purposes e.g.
Implementing a particular visitor could print out the expression tree as
XML. Indeed there are many applications for this pattern and leaves Jaxen
open to extensions.
I can do the implementation if required!
Eddie
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