source: Dev/trunk/src/client/util/buildscripts/makeDojoJsWeb.js

//START of the "main" part of the script.
//This is the entry point for this script file.
load("buildUtil.js");
load("buildUtilXd.js");

var result = "ERROR";

var buildDirectory = new String(arguments[0]);
var depList = new String(arguments[1]);
var provideList = new String(arguments[2]);
var version = new String(arguments[3]);
var xdDojoUrl = new String(arguments[4]);

depList = depList.split(",");

//Check if there were no provideList (the caller can send string "null"
//to indicate that the command line parameter is empty. We need some string
//to make sure all the arguments are in the right spot.
if(provideList == "null"){
        provideList = "[]";
}else{
        provideList = provideList.split(",");
        provideList = '["' + provideList.join('","') + '"]';
}

var dependencyResult;
eval('dependencyResult = {depList: ["' + depList.join('","') + '"], provideList: ' + provideList + '};');

//Make sure we are dealing with JS files and that the paths are not outside
//of the working area. Do this to discourage fetching arbitrary files from
//the server.
var deps = dependencyResult.depList;
var isInputOk = true;
for(var i = 0; i < deps.length; i++){
        var matches = deps[i].match(/\.\./g);
        if((matches && matches.length > 1) || !deps[i].match(/\.js$/) || deps[i].indexOf(0) == '/'){
                print("Error: Invalid file set.");
                isInputOk = false;
                break;
        }
}

if(isInputOk){
        //Load dojo (needed for string interning)
        djConfig={
                baseRelativePath: "../"
        };
        load('../dojo.js');
        dojo.require("dojo.string.extras");
        dojo.require("dojo.crypto.MD5");

        var buildSigDir = dojo.crypto.MD5.compute(depList.sort().join(","), dojo.crypto.outputTypes.Hex);
        try{
                //xxx createLayerContents is broken: need kwargs? it is optional but probably should provide it.
                var contents = buildUtil.createLayerContents(dependencyResult.depList, dependencyResult.provideList, version);
                var compressedContents = "";
                var prefixes = [["dojo", "src"]];
        
                //Make sure any dojo.requireLocalization calls are modified
                //so that they inform the loader of valid locales that can be loaded.
                contents = buildUtil.modifyRequireLocalization(contents, prefixes);

                //Intern strings.
                contents = buildUtil.interningRegexpMagic("xdomain", contents, djConfig.baseRelativePath, prefixes, [], true);
                
                //Set the xdomain dojo url
                if(xdDojoUrl){
                        contents = buildUtilXd.setXdDojoConfig(contents, xdDojoUrl);
                }

                //Compress code.
                compressedContents = buildUtil.optimizeJs("dojo.js", contents, "", "shrinksafe");

                //Add copyright
                var copyright = fileUtil.readFile("copyright.txt");
                var buildNotice = fileUtil.readFile("build_notice.txt");
                contents = copyright + buildNotice + contents;
                compressedContents = copyright + buildNotice + compressedContents;
                
                //Prep cache location
                var buildCachePath = buildDirectory + "/" + buildSigDir + "/";

                //Create needed directories for cache location.
                var dirFile = new java.io.File(buildCachePath + "compressed");
                var dirsOk = dirFile.mkdirs();

                result = "dirFile: " + dirFile.getAbsolutePath() + ", dirsOK: " + dirsOk;
                
                //Create build contents file
                var buildContents = dependencyResult.provideList.sort().join("\n");

                //Save files to disk
                fileUtil.saveUtf8File(buildCachePath + "dojo.js", contents);
                fileUtil.saveUtf8File(buildCachePath + "compressed/dojo.js", compressedContents);
                fileUtil.saveUtf8File(buildCachePath + "build.txt", buildContents);
                
                result = "OK";
        }catch(e){
                result = "ERROR: " + e;
        }

        print(result);
}