Moved watcher and at to separate modules (not in utils anymore).
This commit is contained in:
walterhiggins
parent
1dabf3d25d
commit
5c4ff153e8
122
src/main/js/modules/at.js
Normal file
122
src/main/js/modules/at.js
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@ -0,0 +1,122 @@
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'use strict';
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/*global events, module, require, __plugin, setInterval, clearInterval, setTimeout, addUnloadHandler*/
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var utils = require('utils');
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/************************************************************************
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## The at Module
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The at module provides a single function `at()` which can be used to schedule
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repeating (or non-repeating) tasks to be done at a particular time.
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### at() function
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The utils.at() function will perform a given task at a given time in the
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(minecraft) day.
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#### Parameters
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* time24hr : The time in 24hr form - e.g. 9:30 in the morning is '09:30' while
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9:30 pm is '21:30', midnight is '00:00' and midday is '12:00'
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* callback : A javascript function which will be invoked at the given time.
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* worlds : (optional) An array of worlds. Each world has its own clock. If no array of worlds is specified, all the server's worlds are used.
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* repeat : (optional) true or false, default is true (repeat the task every day)
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#### Example
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To warn players when night is approaching:
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```javascript
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var utils = require('utils'),
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at = require('at');
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function warning(){
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utils.players(function( player ) {
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echo( player, 'The night is dark and full of terrors!' );
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});
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}
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at('19:00', warning);
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```
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To run a task only once at the next given time:
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```javascript
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var utils = require('utils'),
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at = require('at');
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function wakeup(){
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utils.players(function( player ) {
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echo( player, "Wake Up Folks!" );
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});
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}
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at('06:00', wakeup, null, false);
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```
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***/
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function at(time24hr, callback, pWorlds, repeat) {
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var timeParts = time24hr.split( ':' );
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var timeMins = (timeParts[0] * 60) + (timeParts[1] * 1);
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if (!pWorlds || typeof pWorlds == 'undefined' ) {
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pWorlds = utils.worlds();
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}
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if (repeat === undefined){
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repeat = true;
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}
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utils.foreach( pWorlds, function ( world ) {
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atAddTask( timeMins, callback, world, repeat);
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});
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};
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var atTasks = {};
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/*
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constructs a function which will be called every x ticks to
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track the schedule for a given world
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*/
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function atMonitorFactory(world){
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var worldName = ''+ world.name;
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var lastRun = null;
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return function(){
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var timeMins = utils.getTime24(world);
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if (timeMins === lastRun){
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return;
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}
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lastRun = timeMins;
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var worldSchedule = atTasks[worldName];
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if (!worldSchedule){
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return;
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}
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var tasks = worldSchedule[timeMins];
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if (!tasks){
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return;
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}
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utils.foreach(tasks, function(task, i){
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if (!task){
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return;
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}
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setTimeout(task.callback.bind(null, timeMins, world), 1);
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if (!task.repeat){
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tasks[i] = null;
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}
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});
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};
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}
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function atAddTask( timeMins, callback, world, repeat){
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var worldName = ''+world.name;
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if (!atTasks[worldName]){
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atTasks[worldName] = {};
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}
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if (!atTasks[worldName][timeMins]){
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atTasks[worldName][timeMins] = [];
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}
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atTasks[worldName][timeMins].push({callback: callback, repeat: repeat});
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}
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var atMonitors = [];
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function onLoadStartMonitor(event){
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var monitor = setInterval( atMonitorFactory(event.world), 900);
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atMonitors.push( monitor );
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}
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if (__plugin.canary){
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events.loadWorld( onLoadStartMonitor );
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}
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if (__plugin.bukkit){
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events.worldLoad( onLoadStartMonitor );
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}
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addUnloadHandler(function(){
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utils.foreach(atMonitors, function(atInterval){
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clearInterval(atInterval);
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});
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});
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@ -1,10 +1,11 @@
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'use strict';
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/*global require, module, __plugin, __dirname, echo, persist, isOp, events, Packages, command, global */
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var utils = require('utils'),
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watcher = require('watcher'),
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autoload = require('plugin').autoload,
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foreach = utils.foreach,
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watchDir = utils.watchDir,
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unwatchDir = utils.unwatchDir,
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watchDir = watcher.watchDir,
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unwatchDir = watcher.unwatchDir,
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playersDir = __dirname + '/../../players/',
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serverAddress = utils.serverAddress();
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@ -212,7 +213,7 @@ var _classroom = {
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echo( sender, 'Only operators can use this function');
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return;
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}
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foreach( utils.players(), function(player){
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utils.players(function(player){
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if (!isOp(player)){
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canScript ? grantScripting(player) : revokeScripting(player);
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}
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@ -1,4 +1,4 @@
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/*global __plugin, org, exports, server, setTimeout, Packages, setInterval, addUnloadHandler, clearInterval, events*/
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/*global require, __plugin, org, exports, server, setTimeout, Packages, setInterval, addUnloadHandler, clearInterval, events*/
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'use strict';
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var File = java.io.File;
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@ -411,117 +411,12 @@ var _nicely = function( next, hasNext, onDone, delay ) {
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}
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};
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exports.nicely = _nicely;
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/************************************************************************
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### utils.at() function
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The utils.at() function will perform a given task at a given time in the
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(minecraft) day.
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#### Parameters
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* time24hr : The time in 24hr form - e.g. 9:30 in the morning is '09:30' while
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9:30 pm is '21:30', midnight is '00:00' and midday is '12:00'
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* callback : A javascript function which will be invoked at the given time.
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* worlds : (optional) An array of worlds. Each world has its own clock. If no array of worlds is specified, all the server's worlds are used.
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* repeat : (optional) true or false, default is true (repeat the task every day)
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#### Example
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To warn players when night is approaching:
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```javascript
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var utils = require('utils');
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function warning(){
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utils.players(function( player ) {
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echo( player, 'The night is dark and full of terrors!' );
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});
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}
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utils.at('19:00', warning);
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```
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To run a task only once at the next given time:
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```javascript
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var utils = require('utils');
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function wakeup(){
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utils.players(function( player ) {
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echo( player, "Wake Up Folks!" );
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});
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}
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utils.at('06:00', wakeup, null, false);
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```
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***/
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exports.at = function( time24hr, callback, pWorlds, repeat ) {
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var timeParts = time24hr.split( ':' );
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var timeMins = (timeParts[0] * 60) + (timeParts[1] * 1);
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if (!pWorlds || typeof pWorlds == 'undefined' ) {
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pWorlds = worlds();
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}
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if (repeat === undefined){
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repeat = true;
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}
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_foreach( pWorlds, function ( world ) {
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atAddTask( timeMins, callback, world, repeat);
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});
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console.warn("utils.at() is deprecated, use require('at') instead");
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var at = require('at');
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return at( time24hr, callback, pWorlds, repeat);
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};
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var atTasks = {};
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/*
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constructs a function which will be called every x ticks to
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track the schedule for a given world
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*/
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function atMonitorFactory(world){
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var worldName = ''+ world.name;
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var lastRun = null;
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return function(){
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var timeMins = getTime24(world);
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if (timeMins === lastRun){
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return;
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}
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lastRun = timeMins;
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var worldSchedule = atTasks[worldName];
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if (!worldSchedule){
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return;
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}
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var tasks = worldSchedule[timeMins];
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if (!tasks){
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return;
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}
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_foreach(tasks, function(task, i){
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if (!task){
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return;
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}
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setTimeout(task.callback.bind(null, timeMins, world), 1);
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if (!task.repeat){
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tasks[i] = null;
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}
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});
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};
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}
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function atAddTask( timeMins, callback, world, repeat){
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var worldName = ''+world.name;
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if (!atTasks[worldName]){
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atTasks[worldName] = {};
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}
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if (!atTasks[worldName][timeMins]){
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atTasks[worldName][timeMins] = [];
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}
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atTasks[worldName][timeMins].push({callback: callback, repeat: repeat});
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}
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var atMonitors = [];
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function onLoadStartMonitor(evt){
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var monitor = setInterval( atMonitorFactory(evt.world), 900);
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atMonitors.push( monitor );
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}
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if (__plugin.canary){
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events.loadWorld( onLoadStartMonitor );
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}
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if (__plugin.bukkit){
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events.worldLoad( onLoadStartMonitor );
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}
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addUnloadHandler(function(){
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_foreach(atMonitors, function(atInterval){
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clearInterval(atInterval);
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});
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});
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/*************************************************************************
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### utils.time( world ) function
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@ -597,7 +492,7 @@ exports.find = function( dir , filter ) {
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files = dirfile.list(filter);
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}
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_foreach( files, function( file ) {
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file = new java.io.File( dir + '/' + file );
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file = new File( dir + '/' + file );
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if ( file.isDirectory() ) {
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recurse( file.canonicalPath, store );
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} else {
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@ -640,188 +535,6 @@ exports.serverAddress = function() {
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}
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return null;
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};
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/************************************************************************
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### utils.watchFile() function
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Watches for changes to the given file or directory and calls the function provided
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when the file changes.
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#### Parameters
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* File - the file to watch (can be a file or directory)
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* Callback - The callback to invoke when the file has changed. The callback takes the
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changed file as a parameter.
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#### Example
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```javascript
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var utils = require('utils');
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utils.watchFile( 'test.txt', function( file ) {
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console.log( file + ' has changed');
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});
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```
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***/
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var filesWatched = {};
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var dirsWatched = {};
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exports.watchFile = function( file, callback ) {
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if ( typeof file == 'string' ) {
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file = new File(file);
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}
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filesWatched[file.canonicalPath] = {
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callback: callback,
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lastModified: file.lastModified()
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};
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};
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/************************************************************************
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### utils.watchDir() function
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Watches for changes to the given directory and calls the function provided
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when the directory changes. It works by calling watchFile/watchDir for each
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file/subdirectory.
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#### Parameters
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* Dir - the file to watch (can be a file or directory)
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* Callback - The callback to invoke when the directory has changed.
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The callback takes the changed file as a parameter.
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For each change inside the directory the callback will also
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be called.
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#### Example
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```javascript
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var utils = require('utils');
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utils.watchDir( 'players/_ial', function( dir ) {
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console.log( dir + ' has changed');
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});
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```
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***/
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exports.watchDir = function( dir, callback ) {
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if ( typeof dir == 'string' ) {
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dir = new File(dir);
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}
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dirsWatched[dir.canonicalPath] = {
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callback: callback,
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lastModified: dir.lastModified()
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};
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var files = dir.listFiles(),file;
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if ( !files ) {
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return;
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}
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for ( var i = 0; i < files.length; i++ ) {
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file = files[i];
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if (file.isDirectory( )) {
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exports.watchDir(file,callback);
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}else{
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exports.watchFile(file,callback);
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}
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}
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};
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/************************************************************************
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### utils.unwatchFile() function
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Removes a file from the watch list.
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#### Example
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```javascript
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var utils = require('utils');
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utils.unwatchFile( 'test.txt');
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```
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***/
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exports.unwatchFile = function( file, callback ) {
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if ( typeof file == 'string' ) {
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file = new File(file);
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}
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delete filesWatched[file.canonicalPath];
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};
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/************************************************************************
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### utils.unwatchDir() function
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Removes a directory from the watch list and all files inside the directory
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are also "unwatched"
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#### Example
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```javascript
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var utils = require('utils');
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utils.unwatchDir ('players/_ial');
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```
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Would cause also
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```javascript
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utils.unwatchFile (file);
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```
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for each file inside directory (and unwatchDir for each directory inside it)
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***/
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exports.unwatchDir = function( dir, callback ) {
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if ( typeof dir == 'string' ) {
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dir = new File(dir);
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}
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delete dirsWatched[dir.canonicalPath];
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var files = dir.listFiles(),file;
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if ( !files ) {
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return;
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}
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for ( var i = 0; i < files.length; i++ ) {
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file = files[i];
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if (file.isDirectory( )) {
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exports.unwatchDir(file,callback);
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}else{
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exports.unwatchFile(file,callback);
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}
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}
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};
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function fileWatcher(calledCallbacks) {
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for (var file in filesWatched) {
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var fileObject = new File(file);
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var lm = fileObject.lastModified();
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if ( lm != filesWatched[file].lastModified ) {
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filesWatched[file].lastModified = lm;
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filesWatched[file].callback(fileObject);
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if (!fileObject.exists()) {
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exports.unwatchFile(file,filesWatched[file].callback);
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}
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}
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}
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};
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//monitors directories for time change
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//when a change is detected watchFiles are invoked for each of the files in directory
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//and callback is called
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function dirWatcher(calledCallbacks) {
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for (var dir in dirsWatched) {
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var dirObject = new File(dir);
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var lm = dirObject.lastModified();
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var dw = dirsWatched[dir];
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if ( lm != dirsWatched[dir].lastModified ) {
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dirsWatched[dir].lastModified = lm;
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dirsWatched[dir].callback(dirObject);
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exports.unwatchDir(dir, dw.callback);
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//causes all files to be rewatched
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if (dirObject.exists()) {
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exports.watchDir(dir, dw.callback);
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}
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}
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}
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};
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//guarantees that a callback is only called once for each change
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function monitorDirAndFiles() {
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fileWatcher ();
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dirWatcher ();
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setTimeout( monitorDirAndFiles, 3000 );
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};
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setTimeout( monitorDirAndFiles, 3000 );
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/**************************************************************************
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### utils.array() function
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|
|
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189
src/main/js/modules/watcher.js
Normal file
189
src/main/js/modules/watcher.js
Normal file
|
|
@ -0,0 +1,189 @@
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'use strict';
|
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/*global setTimeout, exports, require*/
|
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var File = java.io.File;
|
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/************************************************************************
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## The watcher Module
|
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|
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This module exposes functions for watching for changes to files or directories.
|
||||
|
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### watcher.watchFile() function
|
||||
|
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Watches for changes to the given file or directory and calls the function provided
|
||||
when the file changes.
|
||||
|
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#### Parameters
|
||||
|
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* File - the file to watch (can be a file or directory)
|
||||
* Callback - The callback to invoke when the file has changed. The callback takes the
|
||||
changed file as a parameter.
|
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|
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#### Example
|
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|
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```javascript
|
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var watcher = require('watcher');
|
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watcher.watchFile( 'test.txt', function( file ) {
|
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console.log( file + ' has changed');
|
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});
|
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```
|
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***/
|
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var filesWatched = {};
|
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var dirsWatched = {};
|
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|
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exports.watchFile = function( file, callback ) {
|
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if ( typeof file == 'string' ) {
|
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file = new File(file);
|
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}
|
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filesWatched[file.canonicalPath] = {
|
||||
callback: callback,
|
||||
lastModified: file.lastModified()
|
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};
|
||||
};
|
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/************************************************************************
|
||||
### watcher.watchDir() function
|
||||
|
||||
Watches for changes to the given directory and calls the function provided
|
||||
when the directory changes. It works by calling watchFile/watchDir for each
|
||||
file/subdirectory.
|
||||
|
||||
#### Parameters
|
||||
|
||||
* Dir - the file to watch (can be a file or directory)
|
||||
* Callback - The callback to invoke when the directory has changed.
|
||||
The callback takes the changed file as a parameter.
|
||||
For each change inside the directory the callback will also
|
||||
be called.
|
||||
|
||||
#### Example
|
||||
|
||||
```javascript
|
||||
var watcher = require('watcher');
|
||||
watcher.watchDir( 'players/_ial', function( dir ) {
|
||||
console.log( dir + ' has changed');
|
||||
});
|
||||
```
|
||||
***/
|
||||
|
||||
exports.watchDir = function( dir, callback ) {
|
||||
if ( typeof dir == 'string' ) {
|
||||
dir = new File(dir);
|
||||
}
|
||||
dirsWatched[dir.canonicalPath] = {
|
||||
callback: callback,
|
||||
lastModified: dir.lastModified()
|
||||
};
|
||||
|
||||
var files = dir.listFiles(),file;
|
||||
if ( !files ) {
|
||||
return;
|
||||
}
|
||||
for ( var i = 0; i < files.length; i++ ) {
|
||||
file = files[i];
|
||||
if (file.isDirectory( )) {
|
||||
exports.watchDir(file,callback);
|
||||
}else{
|
||||
exports.watchFile(file,callback);
|
||||
}
|
||||
}
|
||||
};
|
||||
/************************************************************************
|
||||
### watcher.unwatchFile() function
|
||||
|
||||
Removes a file from the watch list.
|
||||
|
||||
#### Example
|
||||
```javascript
|
||||
var watcher = require('watcher');
|
||||
watcher.unwatchFile('test.txt');
|
||||
```
|
||||
|
||||
***/
|
||||
exports.unwatchFile = function( file, callback ) {
|
||||
if ( typeof file == 'string' ) {
|
||||
file = new File(file);
|
||||
}
|
||||
delete filesWatched[file.canonicalPath];
|
||||
};
|
||||
|
||||
/************************************************************************
|
||||
### watcher.unwatchDir() function
|
||||
|
||||
Removes a directory from the watch list and all files inside the directory
|
||||
are also "unwatched"
|
||||
|
||||
#### Example
|
||||
```javascript
|
||||
var watcher = require('watcher');
|
||||
watcher.unwatchDir ('players/_ial');
|
||||
```
|
||||
Would cause also
|
||||
```javascript
|
||||
watcher.unwatchFile (file);
|
||||
```
|
||||
for each file inside directory (and unwatchDir for each directory inside it)
|
||||
|
||||
***/
|
||||
exports.unwatchDir = function( dir, callback ) {
|
||||
if ( typeof dir == 'string' ) {
|
||||
dir = new File(dir);
|
||||
}
|
||||
delete dirsWatched[dir.canonicalPath];
|
||||
|
||||
var files = dir.listFiles(),file;
|
||||
if ( !files ) {
|
||||
return;
|
||||
}
|
||||
for ( var i = 0; i < files.length; i++ ) {
|
||||
file = files[i];
|
||||
if (file.isDirectory( )) {
|
||||
exports.unwatchDir(file,callback);
|
||||
}else{
|
||||
exports.unwatchFile(file,callback);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
function fileWatcher(calledCallbacks) {
|
||||
for (var file in filesWatched) {
|
||||
var fileObject = new File(file);
|
||||
var lm = fileObject.lastModified();
|
||||
if ( lm != filesWatched[file].lastModified ) {
|
||||
filesWatched[file].lastModified = lm;
|
||||
filesWatched[file].callback(fileObject);
|
||||
if (!fileObject.exists()) {
|
||||
exports.unwatchFile(file,filesWatched[file].callback);
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
//monitors directories for time change
|
||||
//when a change is detected watchFiles are invoked for each of the files in directory
|
||||
//and callback is called
|
||||
function dirWatcher(calledCallbacks) {
|
||||
for (var dir in dirsWatched) {
|
||||
var dirObject = new File(dir);
|
||||
var lm = dirObject.lastModified();
|
||||
var dw = dirsWatched[dir];
|
||||
if ( lm != dirsWatched[dir].lastModified ) {
|
||||
dirsWatched[dir].lastModified = lm;
|
||||
dirsWatched[dir].callback(dirObject);
|
||||
|
||||
exports.unwatchDir(dir, dw.callback);
|
||||
//causes all files to be rewatched
|
||||
if (dirObject.exists()) {
|
||||
exports.watchDir(dir, dw.callback);
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
//guarantees that a callback is only called once for each change
|
||||
function monitorDirAndFiles() {
|
||||
fileWatcher ();
|
||||
dirWatcher ();
|
||||
setTimeout( monitorDirAndFiles, 3000 );
|
||||
};
|
||||
|
||||
setTimeout( monitorDirAndFiles, 3000 );
|
||||
Reference in a new issue