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package com.sun.xml.messaging.saaj.util.stax;
import org.jvnet.staxex.Base64Data;
import org.jvnet.staxex.BinaryText;
import org.jvnet.staxex.XMLStreamReaderEx;
import org.jvnet.staxex.util.DOMStreamReader;
import org.w3c.dom.Node;
import org.w3c.dom.Text;
import javax.xml.soap.SOAPElement;
import javax.xml.stream.XMLStreamException;
import java.util.Iterator;
/**
* SaajStaxReaderEx
*
* @author shih-chang.chen@oracle.com
*/
public class SaajStaxReaderEx extends DOMStreamReader implements XMLStreamReaderEx {
//TODO extends com.sun.xml.ws.streaming.DOMStreamReader
private BinaryText binaryText = null;
private Base64Data base64AttData = null;
public SaajStaxReaderEx(SOAPElement se) {
super(se);
}
@Override
public int next() throws XMLStreamException {
binaryText = null;
base64AttData = null;
while(true) {
int r = _next();
switch (r) {
case CHARACTERS:
if (_current instanceof BinaryText) {
binaryText = (BinaryText) _current;
base64AttData = new Base64Data();
base64AttData.set(binaryText.getDataHandler());
//System.out.println("--------------- debug SaajStaxReaderEx binaryText " + binaryText);
} else {
// if we are currently at text node, make sure that this is a meaningful text node.
Node prev = _current.getPreviousSibling();
if(prev!=null && prev.getNodeType()==Node.TEXT_NODE)
continue; // nope. this is just a continuation of previous text that should be invisible
Text t = (Text)_current;
wholeText = t.getWholeText();
if(wholeText.length()==0)
continue; // nope. this is empty text.
}
return CHARACTERS;
case START_ELEMENT:
splitAttributes();
return START_ELEMENT;
default:
return r;
}
}
}
@Override
public String getElementTextTrim() throws XMLStreamException {
// TODO Auto-generated method stub
return null;
}
@Override
public CharSequence getPCDATA() throws XMLStreamException {
return (binaryText != null) ? base64AttData : getText();
}
@Override
public org.jvnet.staxex.NamespaceContextEx getNamespaceContext() {
return new org.jvnet.staxex.NamespaceContextEx() {
@Override
public String getNamespaceURI(String prefix) {
return _current.lookupNamespaceURI(prefix);
}
@Override
public String getPrefix(String uri) {
return _current.lookupPrefix(uri);
}
@Override
public Iterator getPrefixes(String arg0) {
// TODO Auto-generated method stub
return null;
}
@Override
public Iterator<Binding> iterator() {
// TODO Auto-generated method stub
return null;
}
};
}
@Override
public int getTextLength() {
return (binaryText != null) ? base64AttData.length() : super.getTextLength();
}
@Override
public int getTextStart() {
return (binaryText != null) ? 0: super.getTextStart();
}
@Override
public char[] getTextCharacters() {
if (binaryText != null) {
char[] chars = new char[base64AttData.length()];
base64AttData.writeTo(chars, 0);
return chars;
}
return super.getTextCharacters();
}
}