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scriptcraft/src/main/js/lib/console.js
2014-01-25 09:04:16 +00:00

70 lines
2 KiB
JavaScript

'use strict';
/*************************************************************************
## console global variable
ScriptCraft provides a `console` global variable with the followng methods...
* log()
* info()
* warn()
* error()
The ScriptCraft console methods work like the [Web API implementation][webcons].
### Example
console.log('Hello %s', 'world');
Basic variable substitution is supported (ScriptCraft's implementation
of console uses the Bukkit Plugin [Logger][lgr] under the hood and
uses [java.lang.String.format()][strfmt] for variable
substitution. All output will be sent to the server console (not
in-game).
### Using string substitutions
ScriptCraft uses Java's [String.format()][strfmt] so any string substitution identifiers supported by
`java.lang.String.format()` are supported (e.g. %s , %d etc).
for (var i=0; i<5; i++) {
console.log("Hello, %s. You've called me %d times.", "Bob", i+1);
}
[lgr]: http://jd.bukkit.org/beta/apidocs/org/bukkit/plugin/PluginLogger.html
[strfmt]: http://docs.oracle.com/javase/6/docs/api/java/lang/String.html#format(java.lang.String, java.lang.Object...)
[webcons]: https://developer.mozilla.org/en-US/docs/Web/API/console
***/
var logger = __plugin.logger;
var argsToArray = function(args){
var result = [];
for (var i =0;i < args.length; i++)
result.push(args[i]);
return result;
}
var log = function(level, restOfArgs){
var args = argsToArray(restOfArgs);
if (args.length > 1){
var msg = java.lang.String.format(args[0],args.slice(1));
logger['log(java.util.logging.Level,java.lang.String)'](level,msg);
}else{
logger['log(java.util.logging.Level,java.lang.String)'](level, args[0]);
}
};
var Level = java.util.logging.Level;
exports.log = function(){
log(Level.INFO, arguments);
};
exports.info = function(){
log(Level.INFO, arguments);
}
exports.warn = function(){
log(Level.WARNING, arguments);
};
exports.error = function(){
log(Level.SEVERE, arguments);
};