How to use

hasInstructions

method

in

me.itzsomebody.radon.transformers.miscellaneous.watermarker.Watermarker

@Override
public void transform() {
  ArrayList<ClassWrapper> classWrappers = new ArrayList<>(this.getClassWrappers());
  for (int i = 0; i < 3; i++) { // Two extra injections helps with reliability of watermark to be extracted
    Stack<Character> watermark = cipheredWatermark();
    while (!watermark.isEmpty()) {
      ClassWrapper classWrapper;
      int counter = 0;
      do {
        classWrapper = classWrappers.get(RandomUtils.getRandomInt(0, classWrappers.size()));
        counter++;
        if (counter > 20)
          throw new RuntimeException("Radon couldn't find any methods to embed a watermark in after " + counter + "tries.");
      } while (classWrapper.classNode.methods.size() != 0);
      MethodNode methodNode = classWrapper.classNode.methods.get(RandomUtils.getRandomInt(0,
          classWrapper.classNode.methods.size()));
      if (hasInstructions(methodNode)) {
        methodNode.instructions.insertBefore(methodNode.instructions.getFirst(),
            createInstructions(watermark, methodNode));
      }
    }
  }
  LoggerUtils.stdOut("Successfully embedded watermark.");
}