BasicController.java

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package br.com.cadastropessoal.bean;

import java.io.IOException;
import java.io.Serializable;
import java.text.MessageFormat;

import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 *
 * @author luis
 */
public abstract class BasicController implements Serializable {
	private static final long serialVersionUID = 1L;
	protected static final Logger log =
            LoggerFactory.getLogger(BasicController.class);

    public void warn(String message) {
        warn(null, message);
    }

    public void warn(String clientId, String message) {
        // Pega a mensagem de acordo com a chave
        FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_WARN,
                message, null);
        FacesContext.getCurrentInstance().addMessage(clientId, msg);
    }

    public void error(String message) {
        error(null, message);
    }

    public void error(String clientId, String message) {

        // Pega a mensagem de acordo com a chave

        FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_ERROR,
                message, null);
        FacesContext.getCurrentInstance().addMessage(clientId, msg);
    }

    public void info(String message) {
        info(null, message,null);
    }

    public void info(String message, Object[] params) {
        info(null, message, params);
    }

    public void info(String clientId, String message,Object[] params) {

        // Pega a mensagem de acordo com a chave
        if(params!=null && params.length > 0){
            MessageFormat mf = new  MessageFormat(message);
            message = mf.format(params, new StringBuffer(), null).toString();
        }
        
        FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_INFO,
                message, null);
        FacesContext.getCurrentInstance().addMessage(clientId, msg);
    }

    public void redirect(String url) {
        try {
            FacesContext.getCurrentInstance().getExternalContext().
                    redirect(url);
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }
}