gistfile1.java

public static FilesClient getDefaultClient() {
        return new FilesClient(new AppClient.Credentials() {
            @Override public long getUserId() throws IOException {return 123L;}
            @Override public byte[] getKey() throws IOException {throw new IOException("NOT IMPLEMENTED");}
        },
                System.getProperty(Broker.PUBLIC_HOST_PROPERTY, Broker.DEFAULT_PUBLIC_HOST),
                DagUtil.getIntProperty(Broker.PUBLIC_PORT_PROPERTY, Broker.DEFAULT_PUBLIC_PORT));
    }