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

node spring mvc

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const querystring_1 = __importDefault(require("querystring"));
const ForwardEndlessLoopError_1 = __importDefault(require("../../errors/ForwardEndlessLoopError"));
class ApplicationDispatcher {
    constructor(filterAdapter, url) {
        this.url = String(url);
        const [path, query] = this.url.split('?');
        this.path = path;
        this.query = query;
        this.filterAdapter = filterAdapter;
    }
    forward(request, response) {
        const servletContext = request.servletContext;
        const isLoop = !!servletContext.forwardStacks.find((f) => f === this.url);
        if (isLoop) {
            // 如果循环跳转
            throw new ForwardEndlessLoopError_1.default(servletContext.forwardStacks);
        }
        // 添加跳转栈,用于检测是否循环跳转
        servletContext.forwardStacks.push(this.url);
        return this.processRequest(request, response);
    }
    processRequest(request, response) {
        const origin = new URL(request.path, 'http://localhost');
        const originPath = origin.pathname;
        const isRelative = this.path[0] !== '/';
        const idx = originPath.lastIndexOf('/');
        const pathName = isRelative ? originPath.slice(0, idx) + '/' + this.path : this.path;
        // 覆写参数
        request.path = pathName;
        request.query = Object.assign(Object.assign({}, (request.query || {})), (querystring_1.default.parse((this.query || '').slice(1))));
        request.pathVariables = {};
        return this.filterAdapter.doFilter(request, response);
    }
}
exports.default = ApplicationDispatcher;