import java.io.IOException;
import java.io.StringReader;

import javax.xml.stream.FactoryConfigurationError;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;

import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlPullParserFactory;


/**
 * TextXML.java
 * demonstrates bug in StAX
 * Requires StAX 1.0 (JSR 173) available at http://jcp.org/en/jsr/detail?id=173
 * and kXML 2 available at http://www.kxml.org/ (based on the Common XML Pull parsing API at http://www.xmlpull.org/)
 *
 * @author diego http://www.dynamicobjects.com/d2r/
 */
public class TextXML
{
	static String sampleXML = "<?xml version=\"1.0\"?>\n<code>" +
			"<id>&lt;code01&gt;</id>" +
			"<id>&lt;code02&gt;</id>" +
			"<id>&lt;code03&gt;</id>" +
			"<id>&lt;code04&gt;</id>" +
			"<id>&lt;code05&gt;</id>" +
			"</code>";
	
	public static void main(String[] s)
	{
		if (s != null && s.length == 1 && s[0].equals("xmlpull")) {
			parseWithXMLPull();
			/*
			 * Result will be: (Correct)
			 	id = <code01>
			 	id = <code02>
				id = <code03>
				id = <code04>
				id = <code05>
			 */
		}
		else {
			parseWithSTAX();
			/*
			 * Result will be: (Incorrect)
			  id = <code01
			 	id = <code02
			 	id = <code03
			 	id = <code04
			 	id = <code05
			 */
		}
		System.exit(0);
	}
	
	private static void parseWithXMLPull()
	{
		try {
			XmlPullParserFactory factory = XmlPullParserFactory.newInstance(System.getProperty(XmlPullParserFactory.PROPERTY_NAME), null);
			XmlPullParser parser = factory.newPullParser();
			parser.setInput(new StringReader(sampleXML));
			parser.next();
			while (parser.getEventType() != XmlPullParser.END_DOCUMENT) {
				if (parser.getEventType() == XmlPullParser.START_TAG) {
					String element = parser.getName();
					if (element.equals("id")) {
						while (parser.getEventType() != XmlPullParser.TEXT) {
							parser.next();
						}
						String txt = parser.getText();
						System.err.println(element + " = "+txt);
					}
				}
				parser.next();
			}
		} 
		catch (XmlPullParserException e) {
			e.printStackTrace();
		} 
		catch (IOException e) {
			e.printStackTrace();
		}
		catch (FactoryConfigurationError e) {
			e.printStackTrace();
		}
			//parser.close();
		
	}
	
	private static void parseWithSTAX() throws FactoryConfigurationError
	{
	
		XMLInputFactory factory_d = XMLInputFactory.newInstance();
		factory_d.setProperty("javax.xml.stream.isValidating", Boolean.FALSE);
		factory_d.setProperty("javax.xml.stream.isCoalescing", Boolean.TRUE);
		factory_d.setProperty("javax.xml.stream.isNamespaceAware", Boolean.FALSE);
		
		try {
			XMLStreamReader parser_d = factory_d.createXMLStreamReader(new StringReader(sampleXML));
			parser_d.next();
			while (parser_d.getEventType() != XMLStreamConstants.END_DOCUMENT) {
				if (parser_d.getEventType() == XMLStreamConstants.START_ELEMENT) {
					String element = parser_d.getLocalName();
					if (element.equals("id")) {
						String txt = parser_d.getElementText();
						System.err.println(element + " = "+txt);
					}
				}
				parser_d.next();
			}
			parser_d.close();
		}
		catch (XMLStreamException e) {
			e.printStackTrace();
		}
		catch (NumberFormatException e) {
			e.printStackTrace();
		}
	}
}