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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.ui.internal.editor;
import org.eclipse.jst.jsp.core.JSP11Namespace;
import org.eclipse.jst.jsp.core.JSP12Namespace;
import org.eclipse.jst.jsp.core.internal.document.PageDirectiveAdapter;
import org.eclipse.wst.xml.core.document.IDOMDocument;
import org.eclipse.wst.xml.ui.extensions.XMLSourceEditingTextTools;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
* Implements SourceEditingTextTools interface
*/
public class JSPSourceEditingTextTools extends XMLSourceEditingTextTools {
public String getPageLanguage(Node node) {
String language = null;
Document doc = null;
if (node.getNodeType() == Node.DOCUMENT_NODE) {
doc = (Document) node;
}
else {
doc = node.getOwnerDocument();
}
if (doc != null) {
if (doc instanceof IDOMDocument) {
PageDirectiveAdapter adapter = (PageDirectiveAdapter) ((IDOMDocument) doc).getAdapterFor(PageDirectiveAdapter.class);
if (adapter != null)
language = adapter.getLanguage();
}
else {
// iterate through all of the page directives
NodeList pageDirectives = doc.getElementsByTagName(JSP12Namespace.ElementName.DIRECTIVE_PAGE);
for (int i = 0; i < pageDirectives.getLength(); i++) {
Element pageDirective = (Element) pageDirectives.item(i);
String langValue = pageDirective.getAttribute(JSP11Namespace.ATTR_NAME_LANGUAGE);
// last one to declare a language wins
if (langValue != null)
language = langValue;
}
}
}
// if no language was specified anywhere, assume Java
if (language == null)
language = JSP11Namespace.ATTR_VALUE_JAVA;
return language;
}
}
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