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import java.io.IOException;
import java.io.StringReader;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.ErrorHandler;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
public class MainClass {
static public void main(String[] arg) {
boolean validate = false;
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
dbf.setValidating(validate);
dbf.setNamespaceAware(true);
dbf.setIgnoringElementContentWhitespace(true);
Document doc = null;
try {
DocumentBuilder builder = dbf.newDocumentBuilder();
doc = builder.parse(new InputSource(new StringReader(xmlString)));
} catch (SAXException e) {
System.exit(1);
} catch (ParserConfigurationException e) {
System.err.println(e);
System.exit(1);
} catch (IOException e) {
System.err.println(e);
System.exit(1);
}
TreeDumper td = new TreeDumper();
td.dump(doc);
}
static String xmlString = "<PHONEBOOK>" +
" <PERSON>" +
" <NAME >Joe Wang</NAME>" +
" <EMAIL property=\"working\">joe@yourserver.com</EMAIL>" +
" <TELEPHONE>202-999-9999</TELEPHONE>" +
" <WEB>www.java2java.com</WEB>" +
" </PERSON>" +
" <PERSON> " +
"<NAME>Karol</NAME>" +
" <EMAIL>karol@yourserver.com</EMAIL>" +
" <TELEPHONE>306-999-9999</TELEPHONE>" +
" <WEB>www.java2java.com</WEB>" +
" </PERSON>" +
" <PERSON>" +
" <NAME>Green</NAME>" +
" <EMAIL>green@yourserver.com</EMAIL>" +
" <TELEPHONE>202-414-9999</TELEPHONE>" +
" <WEB>www.java2java.com</WEB>" +
" </PERSON>" +
" </PHONEBOOK>";
}
class TreeDumper {
public void dump(Document doc) {
dumpLoop((Node)doc,"");
}
private void dumpLoop(Node node,String indent) {
switch(node.getNodeType()) {
case Node.CDATA_SECTION_NODE:
System.out.println(indent + "CDATA_SECTION_NODE");
break;
case Node.COMMENT_NODE:
System.out.println(indent + "COMMENT_NODE");
break;
case Node.DOCUMENT_FRAGMENT_NODE:
System.out.println(indent + "DOCUMENT_FRAGMENT_NODE");
break;
case Node.DOCUMENT_NODE:
System.out.println(indent + "DOCUMENT_NODE");
break;
case Node.DOCUMENT_TYPE_NODE:
System.out.println(indent + "DOCUMENT_TYPE_NODE");
break;
case Node.ELEMENT_NODE:
System.out.println(indent + "ELEMENT_NODE");
break;
case Node.ENTITY_NODE:
System.out.println(indent + "ENTITY_NODE");
break;
case Node.ENTITY_REFERENCE_NODE:
System.out.println(indent + "ENTITY_REFERENCE_NODE");
break;
case Node.NOTATION_NODE:
System.out.println(indent + "NOTATION_NODE");
break;
case Node.PROCESSING_INSTRUCTION_NODE:
System.out.println(indent + "PROCESSING_INSTRUCTION_NODE");
break;
case Node.TEXT_NODE:
System.out.println(indent + "TEXT_NODE");
break;
default:
System.out.println(indent + "Unknown node");
break;
}
NodeList list = node.getChildNodes();
for(int i=0; i<list.getLength(); i++)
dumpLoop(list.item(i),indent + " ");
}
}
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