Ajax acentuacao

            
            $.post(buscaCep, {id : cep.value}, function(dados) {   
                var partes = dados.split(::)
                  $(#cidade).attr({ value: partes[0]});
                  $(#bairro).attr({ value: partes[1]});
                  $(#endereco).attr({ value: partes[2]});
                   }); 
                 
               }  

Minha Action

import br.com.tularte.dao.CepDAO;
import br.com.tularte.modelo.Cep;
import com.opensymphony.xwork2.ActionContext;
import java.io.IOException;
import java.net.URLDecoder;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts2.StrutsStatics;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Result;

public class BuscaCepAction {

    private String id;
    private Cep cep;
    private String ceps;
    private HttpServletRequest servletRequest;
   
    @Action(value = buscaCep, results = {
        @Result(name = ok, type = httpheader, params = {status, 200})
    })
    
    public String execute() {
        try {
       

                 cep = new CepDAO().buscaPorId(id);
            //     String cidadenome = URLDecoder.decode((cep.getCidnome()), UTF8);
            //     String bairronome = URLDecoder.decode((cep.getBairronome()), UTF8);
            //     String endereconome = URLDecoder.decode((cep.getEndereconome()), UTF8);
            //             ((HttpServletResponse)ActionContext.getContext() 
            //          .get(StrutsStatics.HTTP_RESPONSE)).setContentType(text/xml;charset=UTF-8);
            ((HttpServletResponse)ActionContext.getContext()  
                         .get(StrutsStatics.HTTP_RESPONSE)).getWriter()                       
                       .write(cep.getCidnome() + :: + cep.getBairronome() + :: + cep.getEndereconome());

            //.write();
                   
        } catch (IOException ex) {
            Logger.getLogger(BuscaCepAction.class.getName()).log(Level.SEVERE, null, ex);
        }

   
        
        return ok;
    }

    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    public Cep getCep() {
        return cep;
    }

    public void setCep(Cep cep) {
        this.cep = cep;
    }
    
}