example.java
package com.client;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.http.client.Request;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.http.client.Response;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.core.client.GWT;
public class example implements EntryPoint {
public void onModuleLoad()
{
RootPanel rootPanel = RootPanel.get();
String url =GWT.getModuleBaseURL()+"upload";
doPost(url);
}
public static void doPost(String url)
{
RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, url);
try
{
Request response = builder.sendRequest(null, new RequestCallback()
{
public void onError(Request request, Throwable exception)
{
System.out.print("error");
}
public void onResponseReceived(Request request,Response response)
{
//if (response.getStatusCode() == 200)
//{
Window.alert(response.getText()); // This gets the response message .
///}
//else
//{
// Window.alert("error");
//}
}
});
}
catch(Exception e)
{
System.out.print(e.getMessage());
}
}
}
XMLServlet.java
package com.server;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import org.w3c.dom.*;
import com.gwtext.client.data.XmlReader;
import javax.xml.parsers.*;
import javax.xml.transform.*;
import javax.xml.transform.dom.*;
import javax.xml.transform.stream.*;
public class XmlServlet extends HttpServlet
{
NodeList list;
Connection con=null;
Statement st=null;
ResultSet rs = null;
String xmlString ;
BufferedWriter bw;
String getdataname;
String getdataaddress;
Document doc1;
public void doGet(HttpServletRequest request,HttpServletResponse response)
throws ServletException,IOException{
response.setContentType("text/html");
PrintWriter pw = response.getWriter();
System.out.print("on server");
try
{
DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = builderFactory.newDocumentBuilder();
//creating a new instance of a DOM to build a DOM tree.
doc1 = docBuilder.newDocument();
new XmlServlet().createXmlTree(doc1);
}
catch(Exception e)
{
System.out.println(e.toString());
}
}
public void createXmlTree(Document doc) throws Exception {
//This method creates an element node
System.out.println("ruchipaliwal111");
try
{
System.out.println("ruchi111");
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection("jdbc:mysql://localhost:3306/plz","root","enggheads");
st = con.createStatement();
rs = st.executeQuery("select * from data");
Element root = doc.createElement("data");
doc.appendChild(root);
while(rs.next())
{
getdataname=rs.getString(1).toString();
System.out.println( getdataname +"getdataname");
getdataaddress=rs.getString(2).toString();
System.out.println( getdataaddress +" getdataaddress");
//adding a node after the last child node of ssthe specified node.
Element child1 = doc.createElement("name");
root.appendChild(child1);
Text text = doc.createTextNode(getdataname);
child1.appendChild(text);
Element element = doc.createElement("address");
root.appendChild(element);
Text text1 = doc.createTextNode( getdataaddress);
element.appendChild(text1);
}
//TransformerFactory instance is used to create Transformer objects.
TransformerFactory factory = TransformerFactory.newInstance();
Transformer transformer = factory.newTransformer();
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
transformer.setOutputProperty(OutputKeys.METHOD,"xml");
// transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "3");
// create string from xml tree
StringWriter sw = new StringWriter();
StreamResult result = new StreamResult(sw);
DOMSource source = new DOMSource(doc);
transformer.transform(source, result);
xmlString = sw.toString();
File file = new File("c:/newxml.xml");
bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file)));
bw.write(xmlString);
System.out.println("successfully done.....");
}
catch(Exception e)
{
System.out.print("after while loop exception"+e.toString());
}
bw.flush();
bw.close();
System.out.println("successfully done.....");
}
}
package com.client;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.http.client.Request;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.http.client.Response;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.core.client.GWT;
public class example implements EntryPoint {
public void onModuleLoad()
{
RootPanel rootPanel = RootPanel.get();
String url =GWT.getModuleBaseURL()+"upload";
doPost(url);
}
public static void doPost(String url)
{
RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, url);
try
{
Request response = builder.sendRequest(null, new RequestCallback()
{
public void onError(Request request, Throwable exception)
{
System.out.print("error");
}
public void onResponseReceived(Request request,Response response)
{
//if (response.getStatusCode() == 200)
//{
Window.alert(response.getText()); // This gets the response message .
///}
//else
//{
// Window.alert("error");
//}
}
});
}
catch(Exception e)
{
System.out.print(e.getMessage());
}
}
}
XMLServlet.java
package com.server;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import org.w3c.dom.*;
import com.gwtext.client.data.XmlReader;
import javax.xml.parsers.*;
import javax.xml.transform.*;
import javax.xml.transform.dom.*;
import javax.xml.transform.stream.*;
public class XmlServlet extends HttpServlet
{
NodeList list;
Connection con=null;
Statement st=null;
ResultSet rs = null;
String xmlString ;
BufferedWriter bw;
String getdataname;
String getdataaddress;
Document doc1;
public void doGet(HttpServletRequest request,HttpServletResponse response)
throws ServletException,IOException{
response.setContentType("text/html");
PrintWriter pw = response.getWriter();
System.out.print("on server");
try
{
DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = builderFactory.newDocumentBuilder();
//creating a new instance of a DOM to build a DOM tree.
doc1 = docBuilder.newDocument();
new XmlServlet().createXmlTree(doc1);
}
catch(Exception e)
{
System.out.println(e.toString());
}
}
public void createXmlTree(Document doc) throws Exception {
//This method creates an element node
System.out.println("ruchipaliwal111");
try
{
System.out.println("ruchi111");
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection("jdbc:mysql://localhost:3306/plz","root","enggheads");
st = con.createStatement();
rs = st.executeQuery("select * from data");
Element root = doc.createElement("data");
doc.appendChild(root);
while(rs.next())
{
getdataname=rs.getString(1).toString();
System.out.println( getdataname +"getdataname");
getdataaddress=rs.getString(2).toString();
System.out.println( getdataaddress +" getdataaddress");
//adding a node after the last child node of ssthe specified node.
Element child1 = doc.createElement("name");
root.appendChild(child1);
Text text = doc.createTextNode(getdataname);
child1.appendChild(text);
Element element = doc.createElement("address");
root.appendChild(element);
Text text1 = doc.createTextNode( getdataaddress);
element.appendChild(text1);
}
//TransformerFactory instance is used to create Transformer objects.
TransformerFactory factory = TransformerFactory.newInstance();
Transformer transformer = factory.newTransformer();
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
transformer.setOutputProperty(OutputKeys.METHOD,"xml");
// transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "3");
// create string from xml tree
StringWriter sw = new StringWriter();
StreamResult result = new StreamResult(sw);
DOMSource source = new DOMSource(doc);
transformer.transform(source, result);
xmlString = sw.toString();
File file = new File("c:/newxml.xml");
bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file)));
bw.write(xmlString);
System.out.println("successfully done.....");
}
catch(Exception e)
{
System.out.print("after while loop exception"+e.toString());
}
bw.flush();
bw.close();
System.out.println("successfully done.....");
}
}
newxml.xml
<?xml version="1.0" encoding="UTF-8"?><data>
<name>ruchi</name>
<address>fgdskgh</address>
<name>ruchi12</name>
<address>fgdskghvg</address>
</data>
