Java Ok类代码示例

import org.nutz.mvc.annotation.Ok; //导入依赖的package包/类
@At("/captcha/update")
	@Ok("raw:image/png")
	public BufferedImage updateCaptcha(HttpSession session, @Param("w") int w, @Param("h") int h) {
		if (w * h == 0) { //长或宽为0?重置为默认长宽.
			w = 200;
			h = 60;
		}
		Captcha captcha = new Captcha.Builder(w, h)
								.addText().addBackground(new GradiatedBackgroundProducer())
//								.addNoise(new StraightLineNoiseProducer()).addBorder()
								.gimp(new FishEyeGimpyRenderer())
								.build();
		String text = captcha.getAnswer();
		session.setAttribute(Toolkit.captcha_attr, text);
		return captcha.getImage();
	}
 

import org.nutz.mvc.annotation.Ok; //导入依赖的package包/类
@GET
@At("/media/?/?")
@Ok("raw")
@Fail("http:404")
public InputStream readMedia(String openid, String mediaId, @Attr("usr")String usr, HttpServletResponse resp) throws IOException {
	WxMaster master = wxctx.get(openid);
	if (master == null || !master.getOpenid().equals(usr)) {
		throw new IllegalArgumentException("not allow " + openid + "," + mediaId);
	}
	WxMedia media = mediaService.get(openid, mediaId);
	if (media == null) {
		throw new IllegalArgumentException("not found " + openid + "," + mediaId);
	}
	if (Strings.isBlank(media.getContentType())) {
		resp.setContentType(media.getContentType());
	}
	return media.getStream();
}
 

import org.nutz.mvc.annotation.Ok; //导入依赖的package包/类
@At({"/iot/device/?/sensor/?/datapoints", "/v1.1/device/?/sensor/?/datapoints"})
@POST
@AdaptBy(type=VoidAdaptor.class)
@Ok("void")
public void upload(String device_id, String sensor_id, InputStream in, @Attr(Zs.UID)long userId, HttpServletResponse resp) throws IOException {
	IotSensor sensor = dao.fetch(IotSensor.class, Cnd.where("deviceId", "=", device_id).and(Zs.UID, "=", userId).and("id", "=", sensor_id));
	if (sensor == null) {
		resp.setStatus(406);
		resp.getWriter().write(Iots.NOTFOUND);
		return;
	}
	if (sensor.getLastUpdateTime() != null && System.currentTimeMillis() - sensor.getLastUpdateTime().getTime() < Iots.Limit_Sensor_Update_Interval * 1000 ) {
		resp.setStatus(406);
		resp.getWriter().write(Iots.TOOFAST);
		return ; // too fast
	}
	SensorUploadResult re = iotSensorService.upload(sensor, in);
	if (re.err == null)
		return;
	resp.setStatus(406);
	Mvcs.write(resp, re, JsonFormat.compact());
}
 

import org.nutz.mvc.annotation.Ok; //导入依赖的package包/类
/**
 * 登出页面
 */
@At("/out")
@Ok("forward:/WEB-INF/view/index.html")
public void logout(HttpSession session) {
    //session.invalidate();
	SecurityUtils.getSubject().logout();
}
 

import org.nutz.mvc.annotation.Ok; //导入依赖的package包/类
/**
 * freemarker 渲染页面
 */
@At
@Ok("fm:view.test")
public int fm(HttpServletRequest req) {
	List<String> list = new ArrayList<>();
	list.add("a");
	list.add("b");
	list.add("c");
	list.add("d");
	list.add("e");
	req.setAttribute("list", list);
	return 1;
}
 

import org.nutz.mvc.annotation.Ok; //导入依赖的package包/类
/**
 * 角色列表
 * 
 * @param page
 *            页码
 * @return
 */
@At
@Ok("beetl:pages/${table.lowerClassName!}/list.html")
@RequiresRoles("admin")
public Result list(@Param(value = "page", df = "1") int page) {
	page = _fixPage(page);
	Pager<${table.className!}> pager = ${table.lowerClassName!}Service.searchByPage(page);
	pager.setUrl(_base() + "/${table.lowerClassName!}/list");
	return Result.success().addData("pager", pager);
}
 

import org.nutz.mvc.annotation.Ok; //导入依赖的package包/类
/**
 * 搜索角色
 * 
 * @param page
 *            页码
 * @param key
 *            关键词
 * @return
 */
@At
@Ok("beetl:pages/${table.lowerClassName!}/list.html")
@RequiresRoles("admin")
public Result search(@Param(value = "page", df = "1") int page, @Param("key") String key) {
	page = _fixPage(page);
	key = _fixSearchKey(key);
	Pager<${table.className!}> pager = ${table.lowerClassName!}Service.searchByKeyAndPage(key, page, "name", "description");
	pager.setUrl(_base() + "/${table.lowerClassName!}/search");
	pager.addParas("key", key);
	return Result.success().addData("pager", pager);
}
 

import org.nutz.mvc.annotation.Ok; //导入依赖的package包/类
/**
 * 添加角色页面
 * 
 * @return
 */
@At
@GET
@Ok("beetl:pages/${table.lowerClassName!}/add_edit.html")
@RequiresRoles("admin")
public Result add() {
	return Result.success();
}
 

import org.nutz.mvc.annotation.Ok; //导入依赖的package包/类
/**
 * 编辑页码页面
 * 
 * @param id
 *            角色id
 * @return
 */
@At("/edit/*")
@Ok("beetl:pages/${table.lowerClassName!}/add_edit.html")
@RequiresRoles("admin")
public Result edit(int id) {
	${table.className!} ${table.lowerClassName!} = ${table.lowerClassName!}Service.fetch(id);
	return Result.success().addData("${table.lowerClassName!}", ${table.lowerClassName!});
}
 

import org.nutz.mvc.annotation.Ok; //导入依赖的package包/类
@At({"/get/?", "/get/?/?"})
@AdaptBy(type=VoidAdaptor.class)
@GET
@Ok("raw")
@Filters()
public Object get(long sensor_id, String key) {
	IotSensor sensor = dao.fetch(IotSensor.class, sensor_id);
	if (sensor == null) {
		return HttpStatusView.HTTP_404;
	}
	return sensor.getValue() == null ? "" : sensor.getValue();
}
 

import org.nutz.mvc.annotation.Ok; //导入依赖的package包/类
@At({"/device/?"})
@DELETE
@Ok("void")
public void deleteDev(long device_id, @Attr(IotKeys.UID)long userId) {
	dao.clear(IotDevice.class, Cnd.where("id", "=", device_id).and(IotKeys.UID, "=", userId));
	dao.clear(IotSensor.class, Cnd.where("deviceId", "=", device_id).and(IotKeys.UID, "=", userId));
}
 

import org.nutz.mvc.annotation.Ok; //导入依赖的package包/类
@At("/user")
@Ok("void")
public View user(@Param("username")String username, @Param("password")String password) {
	log.infof("u=%s p=%s", username, password);;
	if (Strings.isBlank(username))
		return HTTP_403;
	if (dao.count(IotUser.class, Cnd.where("name", "=", username).and("apikey", "=", password)) == 1) {
		return null;
	}
	return HTTP_403;
}
 

import org.nutz.mvc.annotation.Ok; //导入依赖的package包/类
@At("/super")
@Ok("void")
public View isSuperUser(@Param("username")String username) {
	if ("admin".equals(username))
		return null;
	return HTTP_403;
}
 

import org.nutz.mvc.annotation.Ok; //导入依赖的package包/类
@At("/acl")
@Ok("void")
@Fail("http:403")
public View acl(@Param("username")String username, @Param("topic")String topic, @Param("acc")String acc) {
	if (!"1".equals(acc))
		return HTTP_403; // TODO 支持mqtt发布, 即通过mqtt更新传感器的值
	if (Strings.isBlank(topic) || !topic.matches("^iot2/sensor/[0-9]+$"))
		return HTTP_403;
	long sensor_id = Long.parseLong(topic.substring("iot2/sensor/".length()));
	IotSensor sensor = dao.fetch(IotSensor.class, Cnd.where("name", "=", username).and("id", "=", sensor_id));
	if (sensor == null)
		return HTTP_403;
	return null;
}
 

import org.nutz.mvc.annotation.Ok; //导入依赖的package包/类
@At("/pwd_reset/callback/?")
@Ok("jsp:jsp.usr.pwdreset.done")
public boolean passwdResetCallback(String token) {
	if (Strings.isBlank(token)) {
		throw new IllegalArgumentException("bad token=["+token+"]");
	}
	String re = Toolkit._3DES_decode(pwdResetKey, Toolkit.hexstr2bytearray(token));
	if (re == null) {
		throw new IllegalArgumentException("bad token=["+token+"]");
	}
	NutMap map = Toolkit.kv2map(re);
	if (map.getLong("t") - 30*60*1000 > System.currentTimeMillis()) {
		throw new IllegalArgumentException("bad token=["+token+"] timeout");
	}
	String name = map.getString("u");
	User usr = dao.fetch(User.class, name);
	if (usr == null) {
		throw new IllegalArgumentException("bad token=["+token+"]");
	}
	if (!usr.getSlat().equals(map.getString("slat"))) {
		throw new IllegalArgumentException("bad token=["+token+"]");
	}
	// 看来都是正确的,那允许重置密码了
	String pwd = Toolkit.randomPasswd(usr);
	dao.update(usr, "(slat|passwd)"); // 重置slat,这样token就是一次性咯
	// TODO 记入系统操作日志
	log.info("AdminUser Password reset success >> " + name);
	return mailService.send(usr.getEmail(), "New Password", "Password: ${pwd}", Lang.context().set("pwd", pwd));
}