net.sf.ahtutils.msgbundle.Utf8ResourceBundle Maven / Gradle / Ivy

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package net.sf.ahtutils.msgbundle;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.Enumeration;
import java.util.Locale;
import java.util.PropertyResourceBundle;
import java.util.ResourceBundle;

import javax.faces.context.FacesContext;

public class Utf8ResourceBundle extends ResourceBundle
{
    protected static final String bundleExtension = "properties";
    protected static final Control UTF8_CONTROL = new UTF8Control();

    public Utf8ResourceBundle(String bundleName)
    {
        setParent(ResourceBundle.getBundle(bundleName,FacesContext.getCurrentInstance().getViewRoot().getLocale(), UTF8_CONTROL));
    }

    @Override
    protected Object handleGetObject(String key)
    {
        return parent.getObject(key);
    }

	@SuppressWarnings({ "unchecked", "rawtypes" })
	@Override
    public Enumeration getKeys()
    {
        return parent.getKeys();
    }

	protected static class UTF8Control extends Control
	{
        public ResourceBundle newBundle (String baseName, Locale locale, String format, ClassLoader loader, boolean reload)
        											throws IllegalAccessException, InstantiationException, IOException
        {
            String bundleName = toBundleName(baseName, locale);
            String resourceName = toResourceName(bundleName, bundleExtension);
            ResourceBundle bundle = null;
            InputStream stream = null;
            if(reload)
            {
                URL url = loader.getResource(resourceName);
                if(url != null)
                {
                    URLConnection connection = url.openConnection();
                    if (connection != null)
                    {
                        connection.setUseCaches(false);
                        stream = connection.getInputStream();
                    }
                }
            }
            else
            {
                stream = loader.getResourceAsStream(resourceName);
            }
            if(stream != null)
            {
                try
                {
                    bundle = new PropertyResourceBundle(new InputStreamReader(stream, "UTF-8"));
                }
                finally
                {
                    stream.close();
                }
            }
            return bundle;
        }
    }
}