tooltwist/lib/plugin.js

Tooltwist Command Line Interface

var Log = require('./log');

exports.findPlugin = function(mode) {
	//console.log('plugin.findPlugin(' + mode + ')')
	
	// Look for a plugin
	var plugin = null;
	var pluginPath = __dirname + '/../plugins/' + mode + '/' + mode;
	//console.log('pluginPath=' + pluginPath)
	try {
		plugin = require(pluginPath);
	} catch (e) {
console.log('ERROR IS ', e)
		var unknownPluginError =  'Error: Cannot find module \'' + pluginPath + '\'';
		if (e == unknownPluginError) {
			Log.fatalError('Unknown mode \'' + mode + '\'.')
		} else {
			console.log(e)
			Log.fatalError('Error loading plugin for mode \'' + mode + '\'.');
		}
		process.exit(1);
	}
	
	//Log.log('Using Plugin ' + pluginPath + '.js')
	
	// Check the plugin has the required methods
	//ZZZ
	
	
	if (typeof(plugin.init) != 'function') {
		Log.fatalError('Plugin is missing function init()')
	}
	if (typeof(plugin.commandLineInit) != 'function') {
		Log.fatalError('Plugin is missing function commandLineInit()')
	}
	if (typeof(plugin.beforePhase1) != 'function') {
		Log.fatalError('Plugin is missing function beforePhase1()')
	}
	if (typeof(plugin.tomcatRunning) != 'function') {
		Log.fatalError('Plugin is missing function tomcatRunning()')
	}
	if (typeof(plugin.beforePhase2) != 'function') {
		Log.fatalError('Plugin is missing function beforePhase2()')
	}
	if (typeof(plugin.afterPhase2) != 'function') {
		Log.fatalError('Plugin is missing function afterPhase2()')
	}
	if (typeof(plugin.afterPhase1) != 'function') {
		Log.fatalError('Plugin is missing function afterPhase1()')
	}
	if (typeof(plugin.createExampleTemplates) != 'function') {
		Log.fatalError('Plugin is missing function createExampleTemplates()')
	}
	
	// Initialize the plugin
	// We give it a path back here so it can find Log, Config, etc.
	plugin.init(__dirname);
	
	return plugin;
}