//Example XML document
/*
An XML Document Containing a Simple Contact List
<?xml version="1.0" standalone="yes"?>
<folks>
<person>
<phone>306 555-9999</phone>
<email>joe@webserver.net</email>
<name>Wang, Joe</name>
</person>
<person>
<phone>704 555-0000</phone>
<name>Pet, Rob</name>
<email>rob@server.com</email>
</person>
</folks>
*/
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
public class Main {
static public void main(String[] arg) throws Exception {
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
dbf.setValidating(false);
dbf.setNamespaceAware(true);
dbf.setIgnoringElementContentWhitespace(true);
Document doc = null;
DocumentBuilder builder = dbf.newDocumentBuilder();
InputSource is = new InputSource("xmlFile.xml");
doc = builder.parse(is);
TreeDumper td = new TreeDumper();
td.dump(doc);
}
}
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 + " ");
}
}
}