if (factoryByProtocol.containsKey("file") == false)
registerFactory(new FileSystemContextFactory());
// No jar protocol, use the default
if (factoryByProtocol.containsKey("jar") == false)
registerFactory(new JarContextFactory());
if (factoryByProtocol.containsKey("vfsmemory") == false)
registerFactory(MemoryContextFactory.getInstance());
if (factoryByProtocol.containsKey("vfszip") == false)