update to scan the directory recursively

rhino-handlebars-precompiler.js

importPackage(java.io);
importPackage(java.util);

(function(args) {
    var templateFileExtension = 'handlebars',
    output = ['// This file is auto-generated and should be ignored from version control.\n'],
    console = {
        log: print
    },
    showUsage = function() {
      console.log('Usage: java -jar <rhino.jar> rhino-handlebars-compiler.js --handlebars <handlebars library path> --templates <templates directory> --output <output file>');
    },
    handlebarsLibrary,
    templatesDirectory,
    outputFile,
    templateFiles,
    outStream,
    index,
    templateFile,
    templateContents,
    argumentsParser,
    findFiles,
    options;

    argumentsParser = function() {
        var arg, parse = function(args) {
            var options = {};
            args = Array.prototype.slice.call(args);
            arg = args.shift();
            while (arg) {
                if (arg.indexOf("--") === 0) {
                    options[arg.substring(2)] = args.shift();
                }
                arg = args.shift();
            }
            return options;
        };

        return { parse: parse };
    };

    findFiles = function(directory, fileList) {
        var dir = new File(directory),
            files = null,
            i = 0;
        if (!dir.isDirectory()) {
            fileList.add(dir);
            return fileList;
        }
        files = dir.listFiles();
        for (i=0; i < files.length; i++) {
            findFiles(files[i], fileList);
        }
        return fileList;
    };

    options = new argumentsParser().parse(args);
    handlebarsLibrary = options.handlebars;
    templatesDirectory = options.templates;
    outputFile = options.output;

    if (undefined === handlebarsLibrary || undefined === templatesDirectory) {
        showUsage();
        java.lang.System.exit(1);
    }
    load(handlebarsLibrary);

    templateFiles = findFiles(templatesDirectory, new java.util.ArrayList());
    outStream = new BufferedWriter(new FileWriter(outputFile));

    output.push('(function(){');
    output.push('\n  var template = Handlebars.template, templates = Handlebars.templates = Handlebars.templates || {};\n');

    //templateFiles = templateFiles.filter(function(fileName) {
    //    return(fileName.getName().substr(-11) === ("." + templateFileExtension));
    //});

    for (index = 0; index < templateFiles.size(); index++) {
        templateFile = templateFiles.get(index);
        templateName = templateFile.getPath();
        templateContents = Handlebars.precompile(readFile(templateFile.getAbsolutePath()));
        output.push('  templates[\'' + templateName + '\'] = template(' + templateContents + ');\n');
    }

    output.push('}());');

    outStream.write(output.join(''));
    outStream.close();
}(arguments));