建立管理读取配置文件类:
public class ConfigManager { private static final Log log = LogFactory.getLog(ConfigManager.class); private static Configuration config; private static ConfigManager instance; private ConfigManager() { loadConfig(); } public static ConfigManager getInstance() { if (instance == null) { synchronized (ConfigManager.class) { instance = new ConfigManager(); } } return instance; } public void loadConfig() { loadConfig("config.xml"); } public void loadConfig(String configFileName) { try { ConfigurationFactory factory = new ConfigurationFactory( configFileName); config = factory.getConfiguration(); log.info("Configuration loaded: " + configFileName); } catch (Exception ex) { log.error(ex.getMessage(), ex); throw new RuntimeException("Configuration loading error: " + configFileName, ex); } } public Configuration getConfig() { return config; } }
读取配置文件类:
public class Config { public static String getString(String key) { return ConfigManager.getInstance().getConfig().getString(key); } public static String getString(String key, String def) { return ConfigManager.getInstance().getConfig().getString(key, def); } public static int getInt(String key) { return ConfigManager.getInstance().getConfig().getInt(key); } public static int getInt(String key, int def) { return ConfigManager.getInstance().getConfig().getInt(key, def); } public static long getLong(String key) { return ConfigManager.getInstance().getConfig().getLong(key); } public static long getLong(String key, long def) { return ConfigManager.getInstance().getConfig().getLong(key, def); } public static float getFloat(String key) { return ConfigManager.getInstance().getConfig().getFloat(key); } public static float getFloat(String key, float def) { return ConfigManager.getInstance().getConfig().getFloat(key, def); } public static double getDouble(String key) { return ConfigManager.getInstance().getConfig().getDouble(key); } public static double getDouble(String key, double def) { return ConfigManager.getInstance().getConfig().getDouble(key, def); } public static boolean getBoolean(String key) { return ConfigManager.getInstance().getConfig().getBoolean(key); } public static boolean getBoolean(String key, boolean def) { return ConfigManager.getInstance().getConfig().getBoolean(key, def); } public static String[] getStringArray(String key) { return ConfigManager.getInstance().getConfig().getStringArray(key); } @SuppressWarnings("unchecked") public static List getList(String key) { return ConfigManager.getInstance().getConfig().getList(key); } @SuppressWarnings("unchecked") public static List getList(String key, List def) { return ConfigManager.getInstance().getConfig().getList(key, def); } public static void setProperty(String key, Object value) { ConfigManager.getInstance().getConfig().setProperty(key, value); } }
配置文件:
config.xml
<?xml version="1.0" encoding="UTF-8" ?> <configuration> <system /> <properties fileName="config.properties" /> </configuration>
config.properties 添加key 和value