Pcaps { public static String dataLinkTypeToName(DataLinkType dlt) throws PcapNativeException { if (dlt == null) { StringBuilder sb = new StringBuilder(); sb.append("dlt: ").append(dlt); throw new NullPointerException(sb.toString()); } return dataLinkValToName(dlt.value()); } private  Pcaps(); static List<PcapNetworkInterface> findAllDevs(); static PcapNetworkInterface getDevByAddress(InetAddress addr); static PcapNetworkInterface getDevByName(String name); static String lookupDev(); static Inet4NetworkAddress lookupNet(String devName); static PcapHandle openOffline(String filePath); static PcapHandle openOffline(String filePath, TimestampPrecision precision); static PcapHandle openDead(DataLinkType dlt, int snaplen); static PcapHandle openDead(DataLinkType dlt, int snaplen, TimestampPrecision precision); static BpfProgram compileFilter(
      int snaplen,
      DataLinkType dlt,
      String bpfExpression,
      BpfCompileMode mode,
      Inet4Address netmask); static DataLinkType dataLinkNameToVal(String name); static String dataLinkTypeToName(DataLinkType dlt); static String dataLinkValToName(int dataLinkVal); static String dataLinkTypeToDescription(DataLinkType dlt); static String dataLinkValToDescription(int dataLinkVal); static String strError(int error); static String libVersion(); static String toBpfString(InetAddress inetAddr); static String toBpfString(MacAddress macAddr);  }
@Test public void testDataLinkTypeToName() throws Exception { String name = Pcaps.dataLinkTypeToName(DataLinkType.EN10MB); logger.info(DataLinkType.EN10MB + " name: " + name); assertNotNull(name); assertFalse(name.length() == 0); }