public Object clone() {
        Usersinfo cloned = new Usersinfo();

        if (this.identification != null)
             cloned.setIdentification(new String(this.identification)); 
        if (this.sipuri != null)
             cloned.setSipuri(new String(this.sipuri)); 
        if (this.state != null)
             cloned.setState(new String(this.state)); 
        if (this.email != null)
             cloned.setEmail(new String(this.email)); 
        if (this.username != null)
             cloned.setUsername(new String(this.username)); 
        if (this.phone != null)
             cloned.setPhone(new String(this.phone)); 
        if (this.facebookid != null)
             cloned.setFacebookid(new String(this.facebookid)); 
        if (this.twitterid != null)
             cloned.setTwitterid(new String(this.twitterid));
        if (this.linkedinid != null)
            cloned.setLinkedinid(new String(this.linkedinid));
        return cloned;
    }