lala.java

public void setTargeting(DoubleclickTargeting targeting) {
        for (Map.Entry<String, Object> entry : targeting.getAttributes().entrySet()) {
            this.targeting.addAttribute(entry.getKey(), entry.getValue());
        }
    }

//instead of 

public void setTargeting(DoubleclickTargeting targeting) {
        this.targeting = targeting;
    }