net.sourceforge.jenesis4java

Class ConditionalVisitor

java.lang.Object

net.sourceforge.jenesis4java.ConditionalVisitor

All Implemented Interfaces:

ReplacingVisitor

public abstract class ConditionalVisitor
extends Object
implements ReplacingVisitor

Base implementation for a visitor that goes as deep as desired.

Traversal is done in pre-order.

Constructor Summary

Constructors

Constructor and Description
ConditionalVisitor()

Method Summary

Methods

Modifier and Type	Method and Description
abstract boolean	visit(Codeable current, Codeable parent) This method is called for each non-null Codeable.
Codeable	visitReplace(Codeable current, Codeable parent) This method is called for each field of the visited element.

Methods inherited from class java.lang.Object

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

Constructor Detail

ConditionalVisitor

public ConditionalVisitor()

Method Detail

visitReplace

public final Codeable visitReplace(Codeable current,
                    Codeable parent)

Description copied from interface: ReplacingVisitor

This method is called for each field of the visited element. An implementation can choose to overwrite (or delete) a field by returning the new value. If no changes are to be made, return the current element.

Specified by:

visitReplace in interface ReplacingVisitor

Parameters:

current - The currently visited object.

parent - The parent instance of the visited object. This is the object the Codeable.visit(net.sourceforge.jenesis4java.ReplacingVisitor) is called on.

Returns:

The new object that is to be used in place of the given visited object.

visit

public abstract boolean visit(Codeable current,
            Codeable parent)

This method is called for each non-null Codeable.

Parameters:

current - The currently visited Codeable. This is never null.

parent - The parent of the visited Codeable. This is never null .

Returns:

true, if the visitor is to visit the children of the current node, false, if not.