public synchronized boolean removeTransformer(ClassFileTransformer transformer) { if (transformer == null) { throw new NullPointerException("null passed as 'transformer' in removeTransformer"); } TransformerManager mgr = findTransformerManager(transformer); if (mgr != null) { mgr.removeTransformer(transformer); if (mgr.isRetransformable() && mgr.getTransformerCount() == 0) { setHasRetransformableTransformers(mNativeAgent, false); } return true; } return false; }
public synchronized void addTransformer( ClassFileTransformer transformer, boolean canRetransform) { if (transformer == null) { throw new NullPointerException("null passed as 'transformer' in addTransformer"); } if (canRetransform) { if (!isRetransformClassesSupported()) { throw new UnsupportedOperationException( "adding retransformable transformers is not supported in this environment"); } if (mRetransfomableTransformerManager == null) { mRetransfomableTransformerManager = new TransformerManager(true); } mRetransfomableTransformerManager.addTransformer(transformer); if (mRetransfomableTransformerManager.getTransformerCount() == 1) { setHasRetransformableTransformers(mNativeAgent, true); } } else { mTransformerManager.addTransformer(transformer); } }