/*******************************************************************************
* Copyright (c) 2001, 2005 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.modelquery;
import org.eclipse.wst.common.uriresolver.internal.provisional.URIResolver;
import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier;
import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
import org.eclipse.wst.xml.core.internal.contentmodel.modelquery.ModelQuery;
import org.eclipse.wst.xml.core.internal.contentmodel.util.CMDocumentCache;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel;
import org.eclipse.wst.xml.core.internal.ssemodelquery.ModelQueryAdapter;
import org.w3c.dom.Document;
/**
* This class is used to associate ModelQuery (and related data) with a
* Document (or IStructuredModel).
*/
public class ModelQueryUtil {
public static CMDocumentCache getCMDocumentCache(Document node) {
ModelQueryAdapter modelQueryAdapter = getModelQueryAdapter(node);
return modelQueryAdapter != null ? modelQueryAdapter.getCMDocumentCache() : null;
}
public static URIResolver getIdResolver(Document node) {
ModelQueryAdapter modelQueryAdapter = getModelQueryAdapter(node);
return modelQueryAdapter != null ? modelQueryAdapter.getIdResolver() : null;
}
public static ModelQuery getModelQuery(Document node) {
ModelQueryAdapter modelQueryAdapter = getModelQueryAdapter(node);
return modelQueryAdapter != null ? modelQueryAdapter.getModelQuery() : null;
}
public static ModelQuery getModelQuery(IStructuredModel model) {
if ((!(model instanceof IDOMModel)) || model == null)
return null;
return getModelQuery(((IDOMModel) model).getDocument());
}
public static ModelQueryAdapter getModelQueryAdapter(Document node) {
ModelQueryAdapter result = null;
if (node instanceof INodeNotifier) {
INodeNotifier notifier = (INodeNotifier) node;
result = (ModelQueryAdapter) notifier.getAdapterFor(ModelQueryAdapter.class);
}
return result;
}
}