//Note : Signature algorithm parameters null for now , fix me.
final ArrayList<Transform> transformList = new ArrayList<Transform>();
Transform tr1;
tr1 = signatureFactory.newTransform(Transform.ENVELOPED, (TransformParameterSpec) null);
Transform tr2;
tr2 = signatureFactory.newTransform(CanonicalizationMethod.EXCLUSIVE, (TransformParameterSpec) null);