ugly merger for mamd namespace definitions (use with rhino)

merger.js

/*
Usage:
java -jar js.jar INDIR OUTFILE
ex:
java -jar js.jar exampleDirectory filesMerged.js
*/

var fileList = [];
var inputDir = arguments[0] || "example";
var outFile = arguments[1] || "example.js";
var filesDepts = [];

function getInputFiles(path) {
    var dir = (new java.io.File(path)).getAbsoluteFile(),
        list = dir.list(),
        fileName,
        file,
        filePath;
    for (var i = 0; i < list.length; i++) {
        file = new java.io.File(dir.getAbsolutePath() + java.io.File.separator + list[i]);
        fileName = String(file.getName());
        filePath = String(file.getAbsolutePath());
        if (file.isFile() && fileName.match(/\.js/gi)) {
            fileList.push(file);
        } else if(file.isDirectory()) {
            getInputFiles(filePath);
        }
    }
}

getInputFiles(inputDir);

var input,
    buffer,
    bReader,
    line,
    ns,
    reqs;

var mamd = {
    define: function () {
        var args = Array.prototype.slice.call(arguments),
            fc,
            reqs,
            nm;
        if (args.length <= 1) {
            return false;
        }

        fc = args.pop();
        reqs = args.length === 2 ? args.pop() : [];
        nm = args.pop();

        reqs.map(function (req) {
            return req.replace(/\./gi, java.io.File.separator) + ".js"
        });

        filesDepts.push({
            file: nm.replace(/\./gi, java.io.File.separator) + ".js",
            depts: reqs
        });
    },
    require: function (depts) {
        print("require");
    }
}

for (var i = 0; i < fileList.length; i++) {
    load(String(fileList[i].getAbsolutePath()));
}

filesDepts.sort(function (a, b) {
    if (a.depts.length === 0) {
        return -1;
    }

    if (b.depts.length === 0) {
        return 1;
    }

    if (a.depts.indexOf(b.file)) {
        return -1;
    }

    if (b.depts.indexOf(a.file)) {
        return 1;
    }

    return 0;
});

var mainBuffer = '';
for (var i = 0; i < filesDepts.length; i++) {
    input = new java.io.FileReader(inputDir + java.io.File.separator + filesDepts[i].file);
    bReader = new java.io.BufferedReader(input);

    do {
        line = bReader.readLine();
        if (line) {
            mainBuffer += line + "\n";
        }
    } while (line);
}


var output = new java.io.FileWriter(outFile);
var bOut = new java.io.BufferedWriter(output);

bOut.write(mainBuffer);
bOut.close();