Android : common service caller class with ksoap2 library

package com.mastermoin.java;

import java.io.IOException;

import org.ksoap2.serialization.Marshal;

import org.ksoap2.serialization.MarshalDate;

import org.ksoap2.serialization.MarshalFloat;

import org.ksoap2.serialization.SoapSerializationEnvelope;

import org.ksoap2.transport.HttpTransportSE;

import org.xmlpull.v1.XmlPullParserException;

public class ServiceCaller {

       private boolean isResultVector = false;

       public Object call(String soapAction, SoapSerializationEnvelope envelope,

                     String URL) {

              Object result = null;

              Marshal dateMarshal = new MarshalDate();

              dateMarshal.register(envelope);

              Marshal floatMarshal = new MarshalFloat();

              floatMarshal.register(envelope);

              final HttpTransportSE transportSE = new HttpTransportSE(URL);

              transportSE.debug = false;

              try {

                     transportSE.call(soapAction, envelope);

                     if (!isResultVector) {

                           result = envelope.getResponse();

                     } else {

                           result = envelope.bodyIn;

                     }

              } catch (final IOException e) {

                     e.printStackTrace();

              } catch (final XmlPullParserException e) {

                     e.printStackTrace();

              } catch (final Exception e) {

                     e.printStackTrace();

              }

              return result;

       }

}