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/*******************************************************************************
* Copyright (c) 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
*******************************************************************************/
package org.eclipse.jst.jsp.core.modelquery;
import java.util.List;
import org.eclipse.jst.jsp.core.internal.contentmodel.JSPCMDocumentFactory;
import org.eclipse.jst.jsp.core.internal.contentmodel.TaglibController;
import org.eclipse.jst.jsp.core.internal.contentmodel.tld.TLDCMDocumentManager;
import org.eclipse.wst.common.contentmodel.CMDocument;
import org.eclipse.wst.common.contentmodel.CMElementDeclaration;
import org.eclipse.wst.common.contentmodel.modelquery.ModelQueryCMProvider;
import org.eclipse.wst.xml.core.document.XMLNode;
import org.w3c.dom.Node;
/**
* CMDocument provider for HTML and JSP documents.
*/
public class JSPModelQueryCMProvider implements ModelQueryCMProvider {
protected JSPModelQueryCMProvider() {
super();
}
/**
* Returns the CMDocument that corresponds to the DOM Node. or null if no
* CMDocument is appropriate for the DOM Node.
*/
public CMDocument getCorrespondingCMDocument(Node node) {
CMDocument jcmdoc = JSPCMDocumentFactory.getCMDocument();
CMDocument result = null;
try {
if (node.getNodeType() == Node.ELEMENT_NODE) {
String elementName = node.getNodeName();
// test to see if this node belongs to JSP's CMDocument (case
// sensitive)
CMElementDeclaration dec = (CMElementDeclaration) jcmdoc.getElements().getNamedItem(elementName);
if (dec != null) {
result = jcmdoc;
}
}
String prefix = node.getPrefix();
if (result == null && prefix != null && prefix.length() > 0 && node instanceof XMLNode) {
// check position dependent
XMLNode xmlNode = (XMLNode) node;
TLDCMDocumentManager tldmgr = TaglibController.getTLDCMDocumentManager(xmlNode.getStructuredDocument());
if (tldmgr != null) {
List documents = tldmgr.getCMDocumentTrackers(node.getPrefix(), xmlNode.getStartOffset());
// there shouldn't be more than one cmdocument returned
if (documents != null && documents.size() > 0)
result = (CMDocument) documents.get(0);
}
}
}
catch (Exception e) {
e.printStackTrace();
}
return result;
}
}
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