public void run() {
// ----------------------------------------- 建立
log.infof("start TcpServer [%s] @ %d", Thread.currentThread().getName(), port);
try {
listener = new ServerSocket(port);
} catch (IOException e1) {
throw Lang.wrapThrow(e1);
}
// ----------------------------------------- 循环
log.infof("TcpServer listen @ %d", port);
while (!stop) {
log.info("before accept ...");
Socket socket = null;
try {
socket = listener.accept();
} catch (IOException e) {
log.fatalf("Fail to accept %s @ %d , System.exit!", Thread.currentThread().getName(), port);
System.exit(0);
}
log.info("do listen ...");
listen(socket);
log.infof(
"done for listen [%s:%d], stop=%b",
socket.getInetAddress().getHostName(), socket.getPort(), stop);
}
// ----------------------------------------- 关闭
try {
listener.close();
log.infof("TcpServer shutdown @ %d", port);
} catch (IOException e) {
throw Lang.wrapThrow(e);
}
}
/**
* 获取colName所在的行数
*
* @param meta 从连接中取出的ResultSetMetaData
* @param colName 字段名
* @return 所在的索引,如果不存在就抛出异常
* @throws SQLException 指定的colName找不到
*/
public static int getColumnIndex(ResultSetMetaData meta, String colName) throws SQLException {
if (meta == null) return 0;
int columnCount = meta.getColumnCount();
for (int i = 1; i <= columnCount; i++)
if (meta.getColumnName(i).equalsIgnoreCase(colName)) return i;
// TODO 尝试一下meta.getColumnLabel?
log.infof("Can not find @Column(%s) in table/view (%s)", colName, meta.getTableName(1));
throw Lang.makeThrow(SQLException.class, "Can not find @Column(%s)", colName);
}
/**
* 关闭本DaoUp,将关闭DataSource并将dao和dataSource置为null!!!
*
* <p><b>只能在程序关闭时调用,严禁在每次Dao操作后调用!!</b>
*/
public synchronized void close() {
if (dao == null) return;
log.infof("shutdown DaoUp(name=%s)", name);
try {
Mirror.me(dataSource).invoke(dataSource, "close");
} catch (Throwable e) {
}
this.dataSource = null;
this.dao = null;
}
/**
* 启动的主函数，接受一个参数，为 web 服务器的配置文件路径。如果没有这个参数，默认在 classpath 下寻找 "web.properties" 文件。
*
* <p>这个文件遵循 Nutz 多行属性文件规范，同时必须具备如下的键:
*
* <ul>
* <li>"app-root" - 应用的根路径，比如 "~/workspace/git/danoo/strato/domain/ROOT"
* <li>"app-port" - 应用监听的端口，比如 8080
* <li>"app-rs" - 应用静态资源的地址前缀，比如 "http://localhost/strato"，或者 "/rs" 等
* <li>"app-classpath" - 应用的类路径，可多行
* <li>"admin-port" - 应用的管理端口，比如 8081
* </ul>
*
* 这个文件的例子，请参看源码 conf 目录下的 web.properties
*
* @param args 接受一个参数作为 web 服务器的配置文件路径
*/
public static void main(String[] args) {
String path = Strings.sBlank(Lang.first(args), Webs.CONF_PATH);
log.infof("launch by '%s'", path);
final WebServer server = new WebServer(new WebConfig(path));
server.run();
log.info("Server is down!");
}
public void init() {
if (topicGlobalWatchers != null) {
for (String username : Strings.splitIgnoreBlank(topicGlobalWatchers)) {
User user = dao.fetch(User.class, username);
if (user == null) {
log.infof("no such user[name=%s] for topic watch", username);
continue;
}
globalWatcherIds.add(user.getId());
}
}
}
/** 这是最后的大招了,查一下形参的名字,作为@Param("形参名")进行处理 */
protected ParamInjector paramNameInject(Method method, int index) {
if (!Lang.isAndroid) {
List<String> names = MethodParamNamesScaner.getParamNames(method);
if (names != null)
return new NameInjector(names.get(index), null, method.getParameterTypes()[index], null);
else if (log.isInfoEnabled())
log.infof(
"Complie without debug info? can't deduce param name. fail back to PathArgInjector!! index=%d > %s",
index, method);
}
return new PathArgInjector(method.getParameterTypes()[index]);
}
public AnnotationIocLoader(String... packages) {
for (String packageZ : packages)
for (Class<?> classZ : Scans.me().scanPackage(packageZ)) addClass(classZ);
if (map.size() > 0) {
if (log.isInfoEnabled())
log.infof(
"Scan complete ! Found %s classes in %s base-packages!\nbeans = %s",
map.size(), packages.length, Castors.me().castToString(map.keySet()));
} else {
log.warn(
"NONE Annotation-Class found!! Check your configure or report a bug!! packages="
+ Arrays.toString(packages));
}
}
/** 添加URL时初始化权限 */
@Override
public void add(ActionChainMaker maker, ActionInfo ai, NutConfig config) {
super.add(maker, ai, config);
Method method = ai.getMethod();
Authority a = method.getAnnotation(Authority.class);
if (null == a) {
return;
}
String id = a.value();
String module = a.module();
String desc = a.desc();
boolean isDefault = a.isDefault();
// 在这里可以把权限写入数据库以及其它操作,此处为运行demo简单只写日志.
log.infof("AuthID=%s Module=%s Default=%s Desc=%s", id, module, isDefault, desc);
}
public Object[] adapt(
ServletContext sc, HttpServletRequest req, HttpServletResponse resp, String[] pathArgs) {
Object[] args = new Object[argTypes.length];
if (args.length != injs.length)
throw new IllegalArgumentException(
"args.length != injs.length , You get a bug, pls report it!!");
AdaptorErrorContext errCtx = null;
// 也许用户有自己的AdaptorErrorContext实现哦
if (argTypes.length > 0) {
if (AdaptorErrorContext.class.isAssignableFrom(argTypes[argTypes.length - 1]))
errCtx =
(AdaptorErrorContext) Mirror.me(argTypes[argTypes.length - 1]).born(argTypes.length);
}
Object obj;
try {
obj = getReferObject(sc, req, resp, pathArgs);
} catch (Throwable e) {
if (errCtx != null) {
if (log.isInfoEnabled())
log.info(
"Adapter Error catched , but I found AdaptorErrorContext param, so, set it to args, and continue",
e);
errCtx.setAdaptorError(e, this);
args[args.length - 1] = errCtx;
return args;
}
throw Lang.wrapThrow(e);
}
int len = Math.min(args.length, null == pathArgs ? 0 : pathArgs.length);
for (int i = 0; i < args.length; i++) {
Object value = null;
if (i < len) { // 路径参数
value = null == pathArgs ? null : pathArgs[i];
} else { // 普通参数
value = obj;
}
try {
args[i] = injs[i].get(sc, req, resp, value);
} catch (Throwable e) {
if (errCtx != null) {
log.infof("Adapter Param Error(%s) index=%d", method, i, e);
errCtx.setError(i, e, method, value, injs[i]); // 先错误保存起来,全部转好了,再判断是否需要抛出
} else throw Lang.wrapThrow(e);
}
if (args[i] == null && argTypes[i].isPrimitive()) {
args[i] = Lang.getPrimitiveDefaultValue(argTypes[i]);
}
}
// 看看是否有任何错误
if (errCtx == null) return args;
for (Throwable err : errCtx.getErrors()) {
if (err == null) continue;
int lastParam = argTypes.length - 1;
if (AdaptorErrorContext.class.isAssignableFrom(argTypes[lastParam])) {
if (log.isInfoEnabled())
log.info(
"Adapter Param Error catched , but I found AdaptorErrorContext param, so, set it to args, and continue");
args[lastParam] = errCtx;
return args;
}
// 没有AdaptorErrorContext参数? 那好吧,按之前的方式,抛出异常
throw Lang.wrapThrow(err);
}
return args;
}
/**
* 主动设置Dao实例
*
* @param dao Dao实例
*/
public void setDao(Dao dao) {
if (this.dao != null) log.infof("override old Dao=%s by new Dao=%s", this.dao, dao);
this.dao = dao;
}