ms/packages/api/src/event.ts

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'use strict';
/**
* MiaoScript Event
*/
import '@ms/core'
import '@ms/nashorn'
import { injectable } from '@ms/container'
const Thread = Java.type("java.lang.Thread");
export namespace event {
@injectable()
export abstract class Event {
private mapEvent = [];
private listenerMap = [];
private baseEventDir = '';
constructor(baseEventDir: string) {
this.baseEventDir = baseEventDir;
}
/**
* org.bukkit.event
* org.bukkit.event.player.PlayerLoginEvent => playerloginevent
*/
mapEventName() {
if (this.baseEventDir === "") {
throw new Error("事件基础包名为空 无法进行事件映射!");
}
var count = 0;
var dirs = Thread.currentThread().getContextClassLoader().getResources(this.baseEventDir);
while (dirs.hasMoreElements()) {
var url = dirs.nextElement();
var protocol = url.protocol;
if (protocol === "jar") {
// noinspection JSUnresolvedVariable
var jar = url.openConnection().jarFile;
var entries = jar.entries();
while (entries.hasMoreElements()) {
var entry = entries.nextElement();
var name = entry.name;
// 以 org/bukkit/event 开头 并且以 .class 结尾
if (name.startsWith(this.baseEventDir) && name.endsWith(".class")) {
var i = name.replaceAll('/', '.');
try {
var clz = base.getClass(i.substring(0, i.length - 6));
// 继承于 org.bukkit.event.Event 访问符为Public
if (this.isValidEvent(clz)) {
var simpleName = this.class2Name(clz).toLowerCase();
console.debug(`Mapping Event [${clz.canonicalName}] => ${simpleName}`);
this.mapEvent[simpleName] = clz;
count++;
}
} catch (ex) {
//ignore already loaded class
}
}
}
}
}
return count;
};
class2Name(clazz) {
return clazz.simpleName;
};
name2Class(name, event) {
var eventCls = this.mapEvent[event.toLowerCase()] || this.mapEvent[event.toLowerCase() + 'event'];
if (!eventCls) {
try {
eventCls = base.getClass(eventCls);
this.mapEvent[event] = eventCls;
} catch (ex) {
console.console(`§6插件 §b${name} §6注册事件 §c${event} §6失败 §4事件未找到!`);
console.ex(new Error(`插件 ${name} 注册事件 ${event} 失败 事件未找到!`));
return;
}
}
return eventCls;
};
execute(name, exec, eventCls) {
return (...args) => {
try {
var time = new Date().getTime()
exec(args[args.length - 1]);
var cost = new Date().getTime() - time;
if (cost > 20) {
console.console(`§c注意! §6插件 §b${name} §6处理 §d${this.class2Name(eventCls)} §6事件 §c耗时 §4${cost}ms !`)
}
} catch (ex) {
console.console(`§6插件 §b${name} §6处理 §d${this.class2Name(eventCls)} §6事件时发生异常 §4${ex}`);
console.ex(ex);
}
};
};
/**
*
* @param plugin
* @param event
* @param exec {function}
* @param priority [LOWEST,LOW,NORMAL,HIGH,HIGHEST,MONITOR]
* @param ignoreCancel
*/
listen(plugin, event, exec, priority = 'NORMAL', ignoreCancel = false) {
if (!plugin || !plugin.description || !plugin.description.name) throw new TypeError('插件名称为空 请检查传入参数!');
var name = plugin.description.name;
var eventCls = this.name2Class(name, event);
if (!eventCls) { return; }
if (typeof priority === 'boolean') {
ignoreCancel = priority;
priority = 'NORMAL';
}
priority = priority || 'NORMAL';
ignoreCancel = ignoreCancel || false;
// noinspection JSUnusedGlobalSymbols
var listener = this.register(eventCls, this.execute(name, exec, eventCls), priority, ignoreCancel);
var listenerMap = this.listenerMap;
// 添加到缓存 用于关闭插件的时候关闭事件
if (!listenerMap[name]) listenerMap[name] = [];
var offExec = () => {
this.unregister(eventCls, listener);
console.debug(`插件 ${name} 注销事件 ${this.class2Name(eventCls)}`);
};
var off = {
event: eventCls,
listener: listener,
off: offExec
};
listenerMap[name].push(off);
// noinspection JSUnresolvedVariable
console.debug(`插件 ${name} 注册事件 ${this.class2Name(eventCls)} => ${exec.name || '匿名方法'}`);
return off;
}
disable(plugin: any) {
var eventCache = this.listenerMap[plugin.description.name];
if (eventCache) {
eventCache.forEach(t => t.off());
delete this.listenerMap[plugin.description.name];
}
}
abstract isValidEvent(clazz: any): boolean;
abstract register(eventCls: any, exec: Function, priority: any, ignoreCancel: boolean): any;
abstract unregister(event: any, listener: any): void;
}
}