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package com.sun.tools.xjc.reader.internalizer;
import javax.xml.XMLConstants;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.AttributesImpl;
import org.xml.sax.helpers.XMLFilterImpl;
/**
* {@link XMLReader} filter for supporting
* http://xml.org/sax/features/namespace-prefixes feature.
*
* @author Kohsuke Kawaguchi
*/
final class ContentHandlerNamespacePrefixAdapter extends XMLFilterImpl {
/**
* True if http://xml.org/sax/features/namespace-prefixes is set to true.
*/
private boolean namespacePrefixes = false;
private String[] nsBinding = new String[8];
private int len;
public ContentHandlerNamespacePrefixAdapter() {
}
public ContentHandlerNamespacePrefixAdapter(XMLReader parent) {
setParent(parent);
}
public boolean getFeature(String name) throws SAXNotRecognizedException, SAXNotSupportedException {
if(name.equals(PREFIX_FEATURE))
return namespacePrefixes;
return super.getFeature(name);
}
public void setFeature(String name, boolean value) throws SAXNotRecognizedException, SAXNotSupportedException {
if(name.equals(PREFIX_FEATURE)) {
this.namespacePrefixes = value;
return;
}
if(name.equals(NAMESPACE_FEATURE) && value)
return;
super.setFeature(name, value);
}
public void startPrefixMapping(String prefix, String uri) throws SAXException {
if(len==nsBinding.length) {
// reallocate
String[] buf = new String[nsBinding.length*2];
System.arraycopy(nsBinding,0,buf,0,nsBinding.length);
nsBinding = buf;
}
nsBinding[len++] = prefix;
nsBinding[len++] = uri;
super.startPrefixMapping(prefix,uri);
}
public void startElement(String uri, String localName, String qName, Attributes atts) throws SAXException {
if(namespacePrefixes) {
this.atts.setAttributes(atts);
// add namespace bindings back as attributes
for( int i=0; i