!7

sS standardCredentials() { ret ""; } // public snippets only

// (transpilation md5, snippetID) => jar file
//static new SerializeComputations<PairS, File> computations;
// transpilation md5 => jar file
static new SerializeComputations<S, File> computations;

static File compileSrcLib(S srcLibID) {
  new CompilerBot2 subBot;
  subBot.dontCompile = true;
  ret assertFileExists(subBot.compileSnippet(srcLibID));
}

html {
  // lock lock; // now using SerializeComputations
  
  uri = dropPrefixSlash(uri);
  S snippetID = fsI(uri);
  if (!isSnippetPublic(snippetID)) fail("Snippet not public: " + snippetID);
  S transpiledSrc = getServerTranspiled2(snippetID);
  
  // md5 check (if parameter supplied)
  
  S md5 = params.get('md5);
  S srcMD5 = md5(transpiledSrc);
  if (md5 != null && !eq(md5, srcMD5)) ret "md5 mismatch";
  bool forceCompilation = eq(params.get("forceCompilation"), "1");
  
  File jar;
  try {
    jar = computations.get(srcMD5/*, snippetID)*/, -> {
      print("Entering compilation (forceCompilation=" + forceCompilation + ")");
      new CompilerBot2 bot;
      bot.forceCompilation = forceCompilation;
      bot.compileSrcLib = lambda1 compileSrcLib;
      ret bot.compileSnippet(snippetID);
    });
  } catch print e {
    // dexcompile.php can't handle code 500
    ret /*subBot_serve500*/("Error. " + e);
  }
  
  bool forceRepackage = eq("1", params.get("repackage"));
  bool withLibs = eq("1", params.get("withLibs"));
  bool noCompiler = eq("1", params.get("noCompiler"));
  bool withX30 = eq("1", params.get("withX30"));
  bool noSrc = eq("1", params.get("noSrc"));
  bool dynamicObjectOnly = eq("dynamicObjectOnly", params.get("mode"));
  bool uncompressed = eq("1", params.get("uncompressed"));
  
  File jar2 = jar;
  if (withLibs) jar2 = appendToBaseFileName(jar2, ".with-libs"); 
  if (noCompiler) jar2 = appendToBaseFileName(jar2, ".no-compiler"); 
  if (dynamicObjectOnly) jar2 = appendToBaseFileName(jar2, ".dynamicObjectOnly"); 
  if (noSrc) jar2 = appendToBaseFileName(jar2, ".noSrc"); 
  if (uncompressed) jar2 = appendToBaseFileName(jar2, ".uncomp"); 
  
  bool withSrc = !noSrc;
      
  IPred<S> generalFileFilter = f -> 
       (withSrc || !endsWith(f, ".java"))
    && !startsWith(f, "META-INF/versions/"); // see flatlaf jar
  
  if (!eq(jar, jar2)) {
    if (fileLength(jar2) <= 22 || forceRepackage) {
      temp var jarOut = zipOutputStream(jar2);
      if (uncompressed) jarOut.setMethod(ZipOutputStream.STORED);
      new Set<S> entries;
      
      text2zip(jarOut, "source.txt", f2s(jar2));
      
      zip2zip_collectFiles(jar, jarOut, entries, generalFileFilter);
      
      if (withLibs) {
        Pair<S, LS> srcAndLibs = extractLibsFromTranspilation(transpiledSrc);
        fOr (S libID : srcAndLibs.b) {
          File fixer = compilerBotDestDir("fixer" + psI(libID) + ".jar");
  
          if (fileExists(fixer)) {
            println("APPLYING FIXER: " + fixer);
            zip2zip_collectFiles(fixer, jarOut, entries);
          }
            
          zip2zip_collectFiles(loadLibraryOrSrcLib(libID, lambda1 compileSrcLib), jarOut, entries, generalFileFilter);
        }
      }
      
      if (withX30)
        zip2zip_collectFiles(pathToJavaxJar(), jarOut, entries);
      else if (noCompiler)
        zip2zip_collectFiles(pathToJavaxJar(), jarOut, entries, name -> !
          startsWithOneOf(name, "org/eclipse/", "META-INF/"));
      else if (dynamicObjectOnly)
        zip2zip_collectFiles(pathToJavaxJar(), jarOut, entries, name -> contains(name, "DynamicObject"));
    }
    
    jar = jar2;
  }

  print("Serving jar for " + snippetID + ": " + renderFileInfo(jar));
  if (eq(params.get("makeJarOnly"), "1"))
    ret "OK: " + f2s(jar);
  else
    ret subBot_serveFileWithName(jar, psI(snippetID) + ".jar", "application/java-archive");
}

Began life as a copy of #1020140