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/*******************************************************************************
* Copyright (c) 2001, 2004 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
* Jens Lukowski/Innoopract - initial renaming/restructuring
*
*******************************************************************************/
package org.eclipse.wst.xml.core.internal.validate;
import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier;
import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion;
import org.eclipse.wst.sse.core.internal.validate.ValidationAdapter;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public class Propagator {
public static void propagateToChildElements(ValidationComponent validator, Node parent) {
if (parent == null)
return;
Class clazz = validator.getClass();
NodeList children = parent.getChildNodes();
for (int i = 0; i < children.getLength(); i++) {
Node child = children.item(i);
if (child == null || child.getNodeType() != Node.ELEMENT_NODE)
continue;
INodeNotifier notifier = (INodeNotifier) child;
ValidationAdapter va = (ValidationAdapter) notifier.getExistingAdapter(clazz);
if (va == null) {
notifier.addAdapter(validator);
va = validator;
}
va.validate((IndexedRegion) child);
}
}
/**
* Propagator is just a placeholder of utilities. Don't instantiate.
*/
private Propagator() {
super();
}
}
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