package net.sourceforge.fenixedu.presentationTier.util.struts;

import java.util.Locale;
import java.util.Properties;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;

import org.apache.struts.Globals;
import org.apache.struts.config.ModuleConfig;
import org.apache.struts.util.MessageResources;
import org.apache.struts.util.ModuleUtils;

import pt.utl.ist.fenix.tools.resources.AbstractMessageResourceProvider;

public class StrutsMessageResourceProvider extends AbstractMessageResourceProvider {

    private Locale locale;

    private HttpServletRequest request;

    private ServletContext servletContext;

    public StrutsMessageResourceProvider(Properties properties, Locale locale, ServletContext servletContext,
	    HttpServletRequest request) {
	super(properties);
	this.locale = locale;
	this.servletContext = servletContext;
	this.request = request;
    }

    public StrutsMessageResourceProvider(Locale locale, ServletContext servletContext, HttpServletRequest request) {
	super();
	this.locale = locale;
	this.servletContext = servletContext;
	this.request = request;
    }

    private MessageResources getMessageResources(String bundleName) {
	// Identify the current module
	ModuleConfig moduleConfig = ModuleUtils.getInstance().getModuleConfig(this.request, this.servletContext);

	return (bundleName != null && bundleName.length() > 0) ? (MessageResources) this.servletContext.getAttribute(bundleName
		+ moduleConfig.getPrefix()) : (MessageResources) this.servletContext.getAttribute(Globals.MESSAGES_KEY
		+ moduleConfig.getPrefix());

    }

    public String getMessage(String bundle, String key, String... args) {
	return format(getMessageResources(getBundleMapping(bundle)).getMessage(this.locale, key), args);
    }
}