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package com.sun.tools.xjc.reader.internalizer;
import java.util.Set;
import com.sun.tools.xjc.reader.Const;
import com.sun.xml.bind.marshaller.SAX2DOMEx;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.xml.sax.Attributes;
import org.xml.sax.Locator;
/**
* Builds DOM while keeping the location information.
*
*
* This class also looks for outer most {@code }
* customizations.
*
* @author
* Kohsuke Kawaguchi ([email protected])
*/
class DOMBuilder extends SAX2DOMEx {
/**
* Grows a DOM tree under the given document, and
* stores location information to the given table.
*
* @param outerMostBindings
* This set will receive newly found outermost
* jaxb:bindings customizations.
*/
public DOMBuilder( Document dom, LocatorTable ltable, Set outerMostBindings ) {
super( dom );
this.locatorTable = ltable;
this.outerMostBindings = outerMostBindings;
}
/** Location information will be stored into this object. */
private final LocatorTable locatorTable;
private final Set outerMostBindings;
private Locator locator;
public void setDocumentLocator(Locator locator) {
this.locator = locator;
super.setDocumentLocator(locator);
}
public void startElement(String namespaceURI, String localName, String qName, Attributes atts) {
super.startElement(namespaceURI, localName, qName, atts);
Element e = getCurrentElement();
locatorTable.storeStartLocation( e, locator );
// check if this element is an outer-most
if( Const.JAXB_NSURI.equals(e.getNamespaceURI())
&& "bindings".equals(e.getLocalName()) ) {
// if this is the root node (meaning that this file is an
// external binding file) or if the parent is XML Schema element
// (meaning that this is an "inlined" external binding)
Node p = e.getParentNode();
if( p instanceof Document
||( p instanceof Element && !e.getNamespaceURI().equals(p.getNamespaceURI()))) {
outerMostBindings.add(e); // remember this value
}
}
}
public void endElement(String namespaceURI, String localName, String qName) {
locatorTable.storeEndLocation( getCurrentElement(), locator );
super.endElement(namespaceURI, localName, qName);
}
}