src/com/chenlb/mmseg4j/Dictionary.java
public static File getDefalutPath() {
		if(defalutPath == null) {
			String defPath = System.getProperty("mmseg.dic.path");
			log.info("look up in mmseg.dic.path="+defPath);
			if(defPath == null) {
				URL url = Dictionary.class.getClassLoader().getResource("data");
				if(url != null) {
					defPath = url.getFile();
					log.info("look up in classpath="+defPath);
				} else {
					defPath = System.getProperty("user.dir")+"/data";
					log.info("look up in user.dir="+defPath);
				}
				
			}
			
			defalutPath = new File(defPath);
			if(!defalutPath.exists()) {
				log.warning("defalut dic path="+defalutPath+" not exist");
			}
		}
		return defalutPath;
	}
public static File getDefalutPath() {
		if(defalutPath == null) {
			String defPath = System.getProperty("mmseg.dic.path");
			log.info("look up in mmseg.dic.path="+defPath);
			if(defPath == null) {
				URL url = Dictionary.class.getClassLoader().getResource("data");
				if(url != null) {
					defPath = url.getFile();
					log.info("look up in classpath="+defPath);
				} else {
					defPath = System.getProperty("user.dir")+"/data";
					log.info("look up in user.dir="+defPath);
				}
				
			}
			
			defalutPath = new File(defPath);
			if(!defalutPath.exists()) {
				log.warning("defalut dic path="+defalutPath+" not exist");
			}
		}
		return defalutPath;
	}
当 words.dic 是从 jar 里加载时, 可能 defalut 不存在