if (handler != null) break;
                }
            }
            if (handler == null) {
                throw new IOException(
                        "Unable to find default handler for protocol: " +
                                protocol);
            }
            PROTOCOL_HANDLERS.put(protocol, handler);
            return handler;
        }
    }

                    }
                    if ( handler != null )
                        break;
                }
            }
            if ( handler == null ) {
                throw new IOException("Unable to find default handler for protocol: " + protocol);
            }
            PROTOCOL_HANDLERS.put(protocol, handler);
            return handler;
        }
    }