/*******************************************************************************
* Copyright (c) 2007 Bruno Medeiros and other Contributors.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Bruno Medeiros - initial implementation
*******************************************************************************/
package melnorme.utilbox.tree;
/** Some utility methods for visitors. */
public abstract class TreeVisitorUtil {
/** Accepts the visitor on child. If child is null, nothing happens. */
public static <T> void acceptChildren(T visitor, IVisitable<T> child) {
if (child != null) {
child.accept(visitor);
}
}
/** Accepts the visitor on the children. If children is null, nothing happens. */
public static <T> void acceptChildren(T visitor, Iterable<? extends IVisitable<T>> children) {
if (children == null)
return;
for(IVisitable<T> child : children) {
acceptChildren(visitor, child);
}
}
}