Method addTools

app/src/processing/app/Editor.java:807–907

(JMenu menu, File sourceFolder)

  private void addTools(JMenu menu, File sourceFolder) {
    if (sourceFolder == null)
      return;

    Map<String, JMenuItem> toolItems = new HashMap<>();

    File[] folders = sourceFolder.listFiles(new FileFilter() {
      public boolean accept(File folder) {
        if (folder.isDirectory()) {
          //System.out.println("checking " + folder);
          File subfolder = new File(folder, "tool");
          return subfolder.exists();
        }
        return false;
      }
    });

    if (folders == null || folders.length == 0) {
      return;
    }

    for (File folder : folders) {
      File toolDirectory = new File(folder, "tool");

      try {
        // add dir to classpath for .classes
        //urlList.add(toolDirectory.toURL());

        // add .jar files to classpath
        File[] archives = toolDirectory.listFiles(new FilenameFilter() {
          public boolean accept(File dir, String name) {
            return (name.toLowerCase().endsWith(".jar") ||
              name.toLowerCase().endsWith(".zip"));
          }
        });

        URL[] urlList = new URL[archives.length];
        for (int j = 0; j < urlList.length; j++) {
          urlList[j] = archives[j].toURI().toURL();
        }
        URLClassLoader loader = new URLClassLoader(urlList);

        String className = null;
        for (File archive : archives) {
          className = findClassInZipFile(folder.getName(), archive);
          if (className != null) break;
        }

        /*
        // Alternatively, could use manifest files with special attributes:
        // http://java.sun.com/j2se/1.3/docs/guide/jar/jar.html
        // Example code for loading from a manifest file:
        // http://forums.sun.com/thread.jspa?messageID=3791501
        File infoFile = new File(toolDirectory, "tool.txt");
        if (!infoFile.exists()) continue;

        String[] info = PApplet.loadStrings(infoFile);
        //Main-Class: org.poo.shoe.AwesomerTool