import javax.servlet.*;
import javax.servlet.http.*;
import com.softwareag.tamino.db.api.accessor.*;
import com.softwareag.tamino.db.api.common.*;
import com.softwareag.tamino.db.api.connection.*;
import com.softwareag.tamino.db.api.objectModel.*;
import com.softwareag.tamino.db.api.objectModel.dom.*;
import com.softwareag.tamino.db.api.response.*;
import org.jdom.*;
import org.jdom.input.*;
import java.io.*;


public class test extends HttpServlet {

  public void doGet (HttpServletRequest request, HttpServletResponse response) 
    throws ServletException, IOException {
    doPost(request, response); 
  }
  
  public void doPost(HttpServletRequest request, HttpServletResponse response) 
    throws ServletException, IOException {

    response.setContentType("text/html");
    PrintWriter out = response.getWriter();
       // Put the XML content into a StringReader
    out.write("Making String Reader<br>");
    StringReader stringReader = new StringReader( XML );
    // Instantiate an empty TXMLObject instance using the DOM object model
    out.write("Making TXMLObject<br>");
    TXMLObject xmlObject = TXMLObject.newInstance( TDOMObjectModel.getInstance() );
    out.write("TXMLObject handle:" + xmlObject + "<br>");
/*    // Establish the DOM representation by reading the content from the
    // character input stream
    xmlObject.readFrom( stringReader );
    // Establish the connection to Tamino
    TConnection connection = TConnectionFactory.getInstance().newConnection( DATABASE_URI );
    // Obtain a TXMLObjectAccessor with a DOM object model
    TXMLObjectAccessor xmlObjectAccessor = connection.newXMLObjectAccessor(
                                            TAccessLocation.newInstance( "ino:etc" ),
                                            TDOMObjectModel.getInstance() );
    try {
      // Invoke the insert operation
      xmlObjectAccessor.insert( xmlObject );
      // Show the ino:id of the document just inserted
      out.println( "Insert succeeded, ino:id=" + xmlObject.getId() );
    }
    catch (TInsertException insertException) {
      // Inform about the reason for the failure
      out.println( "Insert failed!" );
      if ( insertException.hasAccessFailureMessage() )
        out.println( "Insert rejected by Tamino. Reason:" +
                           insertException.getAccessFailureMessage() );
      else
        out.println( "Insert failed due to following reason:" + 
                           insertException.getDeepestException().getMessage() );
    }
    // Prepare to read the instance
    TQuery query = TQuery.newInstance( xmlObject.getDoctype() + "[@ino:id=" +
                                      xmlObject.getId() + "]" );
    try {
      // Invoke the query operation
      TResponse res = xmlObjectAccessor.query( query );
      if ( res.hasFirstXMLObject() ) {
        StringWriter stringWriter = new StringWriter();
        res.getFirstXMLObject().writeTo( stringWriter );
        out.println( "Retrieved following instance:" + stringWriter );
      }
      else
        out.println( "No instance found!" );
    }
    catch (TQueryException queryException) {
      // Inform about the reason for the failure
      out.println( "Query failed!" );
      if ( queryException.hasAccessFailureMessage() )
        out.println( "Query rejected by Tamino. Reason:" +
         queryException.getAccessFailureMessage() );
      else
        out.println( "Insert failed due to following reason:" +
         queryException.getDeepestException().getMessage() );
    }
    // OK, everything is done, close the connection.
    connection.close();*/
  
  }
  
  // URI of the Tamino database, please edit accordingly
  public final static String DATABASE_URI = "http://localhost/tamino/myDB";
  
  // XML document to be written to the connected database
  public final static String XML =
    "<Greeting by='XMLGreetingApplication'>Hello World</Greeting>";
  
}