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package jaxb1.impl.runtime;
import java.util.ArrayList;
import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
/**
* Receives SAX2 events and send the equivalent events to
* {@link com.sun.xml.bind.serializer.XMLSerializer}
*
* @author
* Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
*/
public class ContentHandlerAdaptor implements ContentHandler {
/** Stores newly declared prefix-URI mapping. */
private final ArrayList prefixMap = new ArrayList();
/** Events will be sent to this object. */
private final XMLSerializer serializer;
private final StringBuffer text = new StringBuffer();
public ContentHandlerAdaptor( XMLSerializer _serializer ) {
this.serializer = _serializer;
}
public void startDocument() throws SAXException {
prefixMap.clear();
}
public void endDocument() throws SAXException {
}
public void startPrefixMapping(String prefix, String uri) throws SAXException {
prefixMap.add(prefix);
prefixMap.add(uri);
}
public void endPrefixMapping(String prefix) throws SAXException {
}
public void startElement(String namespaceURI, String localName, String qName, Attributes atts)
throws SAXException {
flushText();
int len = atts.getLength();
serializer.startElement(namespaceURI,localName);
// declare namespace events
for( int i=0; i<len; i++ ) {
String qname = atts.getQName(i);
int idx = qname.indexOf(':');
String prefix = (idx==-1)?qname:qname.substring(0,idx);
serializer.getNamespaceContext().declareNamespace(
atts.getURI(i), prefix, true );
}
for( int i=0; i<prefixMap.size(); i+=2 ) {
String prefix = (String)prefixMap.get(i);
serializer.getNamespaceContext().declareNamespace(
(String)prefixMap.get(i+1),
prefix,
prefix.length()!=0 );
}
serializer.endNamespaceDecls();
// fire attribute events
for( int i=0; i<len; i++ ) {
serializer.startAttribute( atts.getURI(i), atts.getLocalName(i) );
serializer.text(atts.getValue(i),null);
serializer.endAttribute();
}
prefixMap.clear();
serializer.endAttributes();
}
public void endElement(String namespaceURI, String localName, String qName) throws SAXException {
flushText();
serializer.endElement();
}
private void flushText() throws SAXException {
if( text.length()!=0 ) {
serializer.text(text.toString(),null);
text.setLength(0);
}
}
public void characters(char[] ch, int start, int length) throws SAXException {
text.append(ch,start,length);
}
public void ignorableWhitespace(char[] ch, int start, int length) throws SAXException {
text.append(ch,start,length);
}
public void setDocumentLocator(Locator locator) {
}
public void processingInstruction(String target, String data) throws SAXException {
}
public void skippedEntity(String name) throws SAXException {
}
}