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package com.sun.faces.util;

import java.text.MessageFormat;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import java.util.logging.Logger;
import javax.faces.component.UIViewRoot;
import javax.faces.context.FacesContext;

/**
 * 
 * An enum of all application Loggers.
 * 
 */
public enum FacesLogger {

    APPLICATION("application"),
    APPLICATION_VIEW("application.view"),
    RESOURCE("resource"),
    CONFIG("config"),
    CONTEXT("context"),
    FACELETS_COMPILER("facelets.compiler"),
    FACELETS_COMPONENT("facelets.tag.component"),
    FACELETS_META("facelets.tag.meta"),
    FACELETS_COMPOSITION("facelets.tag.ui.composition"),
    FACELETS_DECORATE("facelets.tag.ui.decorate"),
    FACELETS_INCLUDE("facelets.tag.ui.include"),
    FACELETS_FACELET("faclets.facelet"),
    FACELETS_FACTORY("facelets.factory"),
    LIFECYCLE("lifecycle"),
    MANAGEDBEAN("managedbean"),
    RENDERKIT("renderkit"),
    TAGLIB("taglib"),
    TIMING("timing"),
    UTIL("util"),
    FLASH("flash");

    private static final String LOGGER_RESOURCES
         = "com.sun.faces.LogStrings";
    public static final String FACES_LOGGER_NAME_PREFIX
         = "javax.enterprise.resource.webcontainer.jsf.";
    private String loggerName;


    FacesLogger(String loggerName) {
        this.loggerName = FACES_LOGGER_NAME_PREFIX + loggerName;
    }


    public String getLoggerName() {
        return loggerName;
    }


    public String getResourcesName() {
        return LOGGER_RESOURCES;
    }

    public Logger getLogger() {
        return Logger.getLogger(loggerName, LOGGER_RESOURCES);
    }
    
    public String interpolateMessage(FacesContext context,
          String messageId,
          Object [] params) {
        String result = null;
        ResourceBundle rb = null;
        UIViewRoot root = context.getViewRoot();
        Locale curLocale;
        ClassLoader loader = Util.getCurrentLoader(this);
        if (null == root) {
            curLocale = Locale.getDefault();
        } else {
            curLocale = root.getLocale();
        }
        try {
            rb = ResourceBundle.getBundle(getResourcesName(), curLocale, loader);
            String message = rb.getString(messageId);
            if (params != null) {
                result = MessageFormat.format(message, params);
            } else {
                result = message;
            }
        } catch (MissingResourceException mre) {
            result = messageId;
        }
        
        return result;
    }

}