Parseing an XML Document as a String

Question

Hi all,
i am trying to parse an XML document to a parser. I get the file as a request parameter, which is filled in to at String variable.
But for some reason i get an SAXException, does anyone se the problem?
Thank you for your help...
Below is the code
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
import java.text.*;
import java.net.*;
import java.net.URL;
import java.sql.*;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import javax.xml.parsers.*;
import javax.xml.transform.stream.StreamSource;
public class StartServlet extends HttpServlet
private boolean debug = true;
private final static String CONTENT = "content";
private final static String COOKIES = "cookies";
String resp = new String();
private static String NODE_TYPES[] = new String[] {
     "ELEMENT",
     "ATTRIBUTE",
     "TEXT",
     "CDATA_SECTION",
     "ENTITY_REFERENCE",
     "ENTITY",
     "PROCESSING_INSTRUCTION",
     "COMMENT",
     "DOCUMENT",
     "DOCUMENT_TYPE",
     "DOCUMENT_FRAGMENT",
     "NOTATION" };
public static void println(String s, int indent) {
     for(int i = 0 ; i < indent; i++) {
               System.out.println(" ");
     System.out.println(s);
public static void println(String s) {
     System.out.println(s);
public static void print(Node node){
     printImpl(node, 0);
public static void printImpl(Node node, int indent){
     if(node == null) {
          return;
     String nodeType = NODE_TYPES[node.getNodeType()];
     String nodeName = node.getNodeName();
     String nodeValue = node.getNodeValue();
     if(nodeValue != null) {
          nodeValue = nodeValue.trim();
     if(nodeType.equals("TEXT") && nodeValue.equals("")) {
          ; //Ignore emty node
     else {
          println(nodeType + " - " + nodeName + " - " + nodeValue, indent);
     NamedNodeMap attributes = node.getAttributes();
     if (attributes != null) {
          for(int i = 0; i < attributes.getLength(); i++) {
               printImpl(attributes.item(i), indent + 1);
     NodeList children = node.getChildNodes();
     if(children != null) {
          for(int i = 0; i < children.getLength(); i++){
               printImpl(children.item(i), indent + 1);
public static DocumentBuilder newBuilder(boolean validation)
                    throws ParserConfigurationException {
     DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
     domFactory.setValidating(validation);
     domFactory.setNamespaceAware(true);
     DocumentBuilder domBuilder = domFactory.newDocumentBuilder();
     //domBuilder.setErrorHandler(new PrintErrorHandler());
     return domBuilder;
public static Document newDocument()
                    throws ParserConfigurationException{
     DocumentBuilder domBuilder = newBuilder(false);
     Document document = domBuilder.newDocument();
     return document;
public static Document parse( String xml, boolean validation)
                    throws ParserConfigurationException, IOException, SAXException {
          DocumentBuilder domBuilder = newBuilder(validation);
          Document document = domBuilder.parse(xml);
          return document;
public void init() {
public void service( javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res) {
          String[] cookies = null;
          try{
               Hashtable document = getDocument("http://.../first.xml", cookies);
               resp = (String) document.get(CONTENT);
               debug(resp);
               print(parse(resp, false));
          catch (SAXParseException e){
               System.out.println("Saxfejl");
               //System.exit(1);
          catch (Exception e){
               e.printStackTrace();
               System.exit(1);
public void debug(String msg) {
     if(debug) {
          System.out.println(msg);
public void performTask(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) {
     try
          // Insert user code from here.
     catch(Throwable theException)
          // uncomment the following line when unexpected exceptions
          // are occuring to aid in debugging the problem.
          //theException.printStackTrace();
public void doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) throws javax.servlet.ServletException, java.io.IOException {
     performTask(request, response);
public void doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) throws javax.servlet.ServletException, java.io.IOException {
     performTask(request, response);
private Hashtable getDocument(String urlCode, String[] oldCookies) {
     Hashtable document = new Hashtable();
     HttpURLConnection http = null;
     try {
          URL httpURL = new URL(urlCode);
          // If HTTP Protocol, then open connection using the Request method indicated
          URLConnection conn = httpURL.openConnection();
          http = (HttpURLConnection) conn;
          //http.setRequestMethod("GET");
          http.setDoInput(true);
          http.setDoOutput(true);
          http.setUseCaches(false);
          http.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
          if (oldCookies != null) {
               for (int j = 0; j < oldCookies.length; j++) {
                    String cookie = oldCookies[j];
                    http.setRequestProperty("Cookie", cookie);
          http.connect();
          http.getContent();
          StringBuffer tsb = new StringBuffer("");
          if (http.getResponseCode() == 200) {
               InputStream cis = http.getInputStream();
               byte[] a = new byte[1024];
               int n = cis.read(a);
               while (n >= 0) {
                    tsb.append(new String(a, 0, n));
                    n = cis.read(a);
               cis.close();
               document.put(CONTENT, tsb.toString());
          String[] cookies = null;
          if (cookies == null) {
               int headerFieldIndex = 0;
               String headerFieldValue = http.getHeaderField(headerFieldIndex);
               Vector cookieValues = new Vector();
               while (headerFieldValue != null) {
                    String headerFieldName = http.getHeaderFieldKey(headerFieldIndex);
                    if ((headerFieldName != null) && headerFieldName.toLowerCase().equals("set-cookie")) {
                         int index = headerFieldValue.indexOf(";");
                         if (index > -1) {
                              headerFieldValue = headerFieldValue.substring(0, index);
                         cookieValues.addElement(headerFieldValue);
                    headerFieldValue = http.getHeaderField(++headerFieldIndex);
               cookies = new String[cookieValues.size()];
               cookieValues.copyInto(cookies);
          document.put(COOKIES, cookies);
     catch (Exception e) {
          debug("url problem" + e);
     finally {
          if (http != null) {
               http.disconnect();
     return document;
}

Answer 1

Hi,
Use this code it will helpful to you.
resultXMLDocument=(XmlDocument)documentDoc;
StringWriter sw = new StringWriter();
resultXMLDocument.write((Writer) sw);
xmlString=sw.toString();
thnaks,
suneel