node-web-mvc/dist/servlets/http/ServletContext.js

node spring mvc

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const requestSymbol = Symbol('request');
const responseSymbol = Symbol('response');
class ServletContext {
    /**
     * 当前正在处理的请求实例
     */
    get request() {
        return this[requestSymbol];
    }
    /**
     * 当前正在处理的请求的返回实例
     */
    get response() {
        return this[responseSymbol];
    }
    get isRequestHandled() {
        return this.response.headersSent;
    }
    /**
     * 构造一个上下文实例
     * @param request 当前正在处理的请求实例
     * @param response 当前正在处理的请求的返回实例
     * @param next 跳转到下一个请求处理器
     */
    constructor(request, response) {
        this.releaseQueues = [];
        this.forwardStacks = [];
        Object.defineProperty(this, requestSymbol, { value: request, enumerable: false });
        Object.defineProperty(this, responseSymbol, { value: response, enumerable: false });
        request.setServletContext(this);
    }
    /**
     * 添加一个资源销毁操作
     * @param handler 当前销毁函数会在请求结束后执行（无论请求执行成功还是失败)
     */
    addReleaseQueue(handler) {
        this.releaseQueues.push(handler);
    }
    /**
     * 执行资源释放队列
     */
    doReleaseQueues() {
        this.releaseQueues.forEach((handler) => {
            new Promise((resolve) => {
                handler();
                resolve();
            });
        });
        this.releaseQueues.length = 0;
    }
}
exports.default = ServletContext;