java 得到配置信息

STEP1: 得到资源文件 com.carel.supervisor.base.config.supervisor.properties
private static ResourceBundle resourceBundle = ResourceBundle.getBundle(
            "com.carel.supervisor.base.config.supervisor");

STEP2: 
resourceBundle.getString("PRODUCT_NAME");

String name = "carel.properties";
ClassLoader classLoader = Thread.currentThread()
                                                .getContextClassLoader();
URL url = classLoader.getResource(name);
InputStream input = url.openStream();
Properties newProperties = new Properties();
newProperties.load(input);
 Enumeration keys = newProperties.keys();

 while (keys.hasMoreElements())
            {
                String key = (String) keys.nextElement();

                if (!propertiesTmp.containsKey(key))
                {
                    propertiesTmp.setProperty(key,
                        newProperties.getProperty(key));
                    added = true;
                }
            }

读取XML类型的配置信息
= classLoader.getResource(name);
XMLNode xmlNode = XMLNode.parse(urlService.openStream());

得到环境变量
path = System.getenv(PVPRO_HOME);