package org.expressolivre.cte.common;

import java.net.URL;
import java.text.MessageFormat;
import java.util.Properties;

/**
 * @author L.F.Estivalet (Serpro)
 * 
 *         Created on Jan 4, 2011 at 3:53:14 PM
 * 
 */
public final class Config {
	private static final Config INSTANCE = new Config();

	private Properties config;
	private Properties mensagens;
	private Properties valores;
	private Properties emailPreferences;

	private Config() {
		try {
			this.config = this
					.load("org/expressolivre/cte/common/config.properties");
			this.mensagens = this
					.load("org/expressolivre/cte/common/mensagens.properties");
			this.valores = this
					.load("org/expressolivre/cte/common/valores.properties");
			this.emailPreferences = this.load("org/expressolivre/cte/common/"
					+ getConfig("config.email"));
		} catch (Exception e) {
			e.printStackTrace();
			System.exit(0);
		}
	}

	public static Config getInstance() {
		return INSTANCE;
	}

	public String getConfig(String key) {
		return this.config.getProperty(key);
	}

	public String getMensagem(String key) {
		return this.mensagens.getProperty(key);
	}

	public String getMensagem(String key, Object... args) {
		return MessageFormat.format(getMensagem(key), args);
	}

	public String getCampo(String key, Object... args) {
		return MessageFormat.format(getCampo(key), args);
	}

	public String getValor(String key) {
		return this.valores.getProperty(key);
	}

	public String getEmailPreference(String key) {
		return this.emailPreferences.getProperty(key);
	}

	private Properties load(String propsName) throws Exception {
		Properties props = new Properties();
		URL url = ClassLoader.getSystemResource(propsName);
		props.load(url.openStream());
		return props;
	}

}