从Jar包获取资源的方法

来源：互联网发布：青岛和上海知乎编辑：程序博客网时间：2024/05/01 23:57

        String path = ConnPool.class.getPackage().getName().replaceAll("//.", "/")+"/Config.xml";
        URL url = null;
        try {
            if (Thread.currentThread().getContextClassLoader() != null) {
                url = Thread.currentThread().getContextClassLoader().getResource(path);
            }
            if (url == null) {
                url = ConnPool2.class.getClassLoader().getResource(path);
            }
            if(url ==null) {
                url = ConnPool2.class.getClassLoader().getResource("/"+path);

            }
            if(url != null) {
                JAXPConfigurator.configure(url.getFile(), false);
            }
            else{
                String strURL = ConnPool2.class.getProtectionDomain().getCodeSource().getLocation().getPath();
                strURL += ConnPool.class.getPackage().getName().replaceAll("//.", "/")+"/Config.xml";
                JAXPConfigurator.configure(strURL, false);
            }

        } catch (Exception e) {
            try {
                InputStream in = ConnPool.class.getResourceAsStream(path);
                BufferedReader reader= new BufferedReader(new InputStreamReader(in));

            } catch (Exception ex) {
                InputStream in = ConnPool.class.getResourceAsStream("/"+path);
                BufferedReader reader= new BufferedReader(new InputStreamReader(in));
            }
        }
        try {
            Class.forName("org.logicalcobwebs.proxool.ProxoolDriver");
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }