Sample.java

package com.freemindcafe.serialization.sample4;

import org.apache.activemq.util.JettisonMappedXmlDriver;

import com.freemindcafe.serialization.SerializationSvc;
import com.thoughtworks.xstream.io.xml.StaxDriver;

public class Sample {
    
    @org.junit.Test(expected = NullPointerException.class)
    public void hashmap_having_null_throws_null_pointer_exception() {
        Employee nikhil = new Employee();
        nikhil.randomMap.put("abc", null);      
        String xml = new SerializationSvc("/com/freemindcafe/serialization/sample4/XMLAliasing.xml").toXML(nikhil);
        System.out.println(xml);
    }
    
    @org.junit.Test
    public void hashmap_having_null_succeeds_by_handing_it_in_Sample4SerializeXStream() {
        Employee nikhil = new Employee();
        nikhil.randomMap.put("abc", null);
        SerializationSvc serializationSvc = new SerializationSvc("/com/freemindcafe/serialization/sample4/XMLAliasing.xml", 
                new Sample4SerializeXStream(new StaxDriver()), new Sample4SerializeXStream(new JettisonMappedXmlDriver()));
        String xml = serializationSvc.toXML(nikhil);
        System.out.println(xml);
    }   

}