Vraptor Custom converter Data

CustomJSONSerialization.java

package br.com.jalex.util;

import java.text.SimpleDateFormat;
import java.util.Date;

import javax.servlet.http.HttpServletResponse;

import br.com.caelum.vraptor.interceptor.TypeNameExtractor;
import br.com.caelum.vraptor.ioc.Component;
import br.com.caelum.vraptor.serialization.ProxyInitializer;
import br.com.caelum.vraptor.serialization.xstream.XStreamJSONSerialization;

import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.converters.SingleValueConverter;
@Component    
public class CustomJSONSerialization extends XStreamJSONSerialization {   
      
    public CustomJSONSerialization(HttpServletResponse response,TypeNameExtractor extractor, ProxyInitializer initializer) {  
        super(response, extractor, initializer);  
    }  
       
    @Override  
    public XStream getXStream() {  
        XStream xstream = super.getXStream();
        xstream.aliasSystemAttribute(null, "class"); //  <--------
        
        xstream.registerConverter(new SingleValueConverter() {  
        	  
        	   public String toString(Object value) {  
        	         return new SimpleDateFormat("dd/MM/yyyy hh:mm").format(value);
        	   }  
        	  
        	   public boolean canConvert(Class clazz) {  
        	        return Date.class.isAssignableFrom(clazz);  
        	   }  
        	  
        	   public Object fromString(String value) {  
        	        return null; //não é usado  
        	   }  
        	});
        
        
        return xstream;  
    }  
  
}