com.github.adminfaces.persistence.util.Messages Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of admin-persistence Show documentation

Provides CRUD utilities for CDI, JPA and JSF based applications.

There is a newer version: 1.2.0

package com.github.adminfaces.persistence.util;

import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import java.io.Serializable;
import java.text.MessageFormat;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * Utility methods for resourceBundle and facesMessages
 */
public class Messages implements Serializable {

    private static final Logger log = Logger.getLogger(Messages.class.getName());

    private static ResourceBundle bundle;

    static {
        try {
            FacesContext fc = FacesContext.getCurrentInstance();
            Locale locale = fc != null && fc.getViewRoot().getLocale() != null ? fc.getViewRoot().getLocale() : Locale.getDefault();
            bundle = ResourceBundle.getBundle("messages", locale, new UTF8Control());
        } catch (Exception e) {
            log.log(Level.WARNING, "Application resource bundle named 'messages' not found in 'resources' folder. You'll not be able to use com.github.adminfaces.persistence.util.Messages utility class.");
        }
    }

    public static void changeLocale(Locale locale) {
        bundle = ResourceBundle.getBundle("messages", locale, new UTF8Control());
    }

    public static String getMessage(String key) {
        try {
            return bundle.getString(key);
        } catch (MissingResourceException e) {
            return "??" + key + "??";
        }
    }

    public static String getMessage(String key, Object... params) {
        return MessageFormat.format(getMessage(key), params);
    }


    public static void addDetailMessage(String message) {
        addDetailMessage(message, null);
    }

    public static void addDetailMessage(String message, FacesMessage.Severity severity) {

        FacesMessage facesMessage = new FacesMessage("", message);
        if (severity != null && severity != FacesMessage.SEVERITY_INFO) {
            facesMessage.setSeverity(severity);
        }

        FacesContext.getCurrentInstance().addMessage(null, facesMessage);
    }
}