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Java Reverse Dns Lookup Example

Best Java code snippets using org.xbill.DNS.PTRRecord.getTarget (Showing top 20 results out of 315)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        public                                                                                      String getHostByAddr(                                                              byte                                                              [] ip)                                                                                    throws                                                                                      UnknownHostException {                                                                                                                                                                                                                                try                                                                                      {                                                                                                                      String addr = DnsUtils.numericToTextFormat(ip);                                                                                                                          Record[] records =                                                                                    new                                                                                      Lookup(addr, Type.PTR).run();                                                                                                                                                                                                                                if                                                                                      (records == null) {                                                                                                                                                                                                                                throw                                                                                                                                                  new                                                                                      UnknownHostException(addr);                                                                                                                      }                                                                                                                          PTRRecord ptr = (PTRRecord) records[                                                              0                                                              ];                                                                                                                                                                                                                                return                                                                                      ptr.                                                              getTarget                                                              ().toString();                                                                                                                                                                    }                                                                                    catch                                                                                      (TextParseException e) {                                                                                                                                                                                                                                throw                                                                                                                                                  new                                                                                      UnknownHostException(e.getMessage());                                                                                                                      }                                                                            }                                                        }                                  
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        public                                                                                      String getHostByAddr(                                                              byte                                                              [] addr)                                                                                                                                                                                                                                throws                                                                                      UnknownHostException, IOException                                                                                                                      {                                                                            Name name = ReverseMap.fromAddress(InetAddress.getByAddress(addr));                                                                            Record[] records = Lookup.lookupRecords(name, Type.PTR);                                                                                                                                                                                                                                              if                                                                                      (records == null || records.length ==                                                                                    0                                                              )                                                                                                                      {                                                                                                                                                                                      throw                                                                                                                                                  new                                                                                      UnknownHostException();                                                                                                                      }                                                                                                                                                                                                                                              return                                                                                      ((PTRRecord) records[                                                              0                                                              ]).                                                              getTarget                                                              ().toString();                                                                                                                      }                                                        }                                  
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                public                                                                                      String                                                                                                                                            getHostByAddr(                                                              byte                                                                                      [] addr)                                                                                    throws                                                                                      UnknownHostException {                                                                                                                      Name name = ReverseMap.fromAddress(InetAddress.getByAddress(addr));                                                                                                                          Record [] records =                                                                                    new                                                                                      Lookup(name, Type.PTR).run();                                                                                                                                                                                                                                if                                                                                      (records == null)                                                                                                                                                                                                                                throw                                                                                                                                                  new                                                                                      UnknownHostException();                                                                                                                                                                                                                                return                                                                                      ((PTRRecord) records[                                                              0                                                              ]).                                                              getTarget                                                              ().toString();                                                                                                  }                                                        }                                  
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                public                                                                                      String                                                                                                                                            getHostByAddr(                                                              byte                                                                                      [] addr)                                                                                    throws                                                                                      UnknownHostException {                                                                                                                      Name name = ReverseMap.fromAddress(InetAddress.getByAddress(addr));                                                                                                                          Record [] records =                                                                                    new                                                                                      Lookup(name, Type.PTR).run();                                                                                                                                                                                                                                if                                                                                      (records == null)                                                                                                                                                                                                                                throw                                                                                                                                                  new                                                                                      UnknownHostException();                                                                                                                                                                                                                                return                                                                                      ((PTRRecord) records[                                                              0                                                              ]).                                                              getTarget                                                              ().toString();                                                                                                  }                                                        }                                  
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                public                                                                                      String                                                                                                                                            getHostByAddr(                                                              byte                                                                                      [] addr)                                                                                    throws                                                                                      UnknownHostException {                                                                                                                      Name name = ReverseMap.fromAddress(InetAddress.getByAddress(addr));                                                                                                                          Record [] records =                                                                                    new                                                                                      Lookup(name, Type.PTR).run();                                                                                                                                                                                                                                if                                                                                      (records == null)                                                                                                                                                                                                                                throw                                                                                                                                                  new                                                                                      UnknownHostException();                                                                                                                                                                                                                                return                                                                                      ((PTRRecord) records[                                                              0                                                              ]).                                                              getTarget                                                              ().toString();                                                                                                  }                                                        }                                  
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                public                                                                                                                                                  static                                                                                      String                                                                                                                                            getHostName(InetAddress addr)                                                                                    throws                                                                                      UnknownHostException {                                                                                                                      Name name = ReverseMap.fromAddress(addr);                                                                                                                          Record [] records =                                                                                    new                                                                                      Lookup(name, Type.PTR).run();                                                                                                                                                                                                                                if                                                                                      (records == null)                                                                                                                                                                                                                                throw                                                                                                                                                  new                                                                                      UnknownHostException(                                                              "unknown address"                                                              );                                                                                                                                                                    PTRRecord ptr = (PTRRecord) records[                                                              0                                                              ];                                                                                                                                                                                                                                return                                                                                      ptr.                                                              getTarget                                                              ().toString();                                                                                                  }                                                                                          
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                public                                                                                                                                                  static                                                                                      String                                                                                                                                            getHostName(InetAddress addr)                                                                                    throws                                                                                      UnknownHostException {                                                                                                                      Name name = ReverseMap.fromAddress(addr);                                                                                                                          Record [] records =                                                                                    new                                                                                      Lookup(name, Type.PTR).run();                                                                                                                                                                                                                                if                                                                                      (records == null)                                                                                                                                                                                                                                throw                                                                                                                                                  new                                                                                      UnknownHostException(                                                              "unknown address"                                                              );                                                                                                                                                                    PTRRecord ptr = (PTRRecord) records[                                                              0                                                              ];                                                                                                                                                                                                                                return                                                                                      ptr.                                                              getTarget                                                              ().toString();                                                                                                  }                                                                                          
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                public                                                                                                                                                  static                                                                                      String                                                                                                                                            getHostName(InetAddress addr)                                                                                    throws                                                                                      UnknownHostException {                                                                                                                      Name name = ReverseMap.fromAddress(addr);                                                                                                                          Record [] records =                                                                                    new                                                                                      Lookup(name, Type.PTR).run();                                                                                                                                                                                                                                if                                                                                      (records == null)                                                                                                                                                                                                                                throw                                                                                                                                                  new                                                                                      UnknownHostException(                                                              "unknown address"                                                              );                                                                                                                                                                    PTRRecord ptr = (PTRRecord) records[                                                              0                                                              ];                                                                                                                                                                                                                                return                                                                                      ptr.                                                              getTarget                                                              ().toString();                                                                                                  }                                                                                          
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                public                                                                                                                                                  static                                                                                      String                                                                                                                                            getHostName(InetAddress addr)                                                                                    throws                                                                                      UnknownHostException {                                                                                                                      Name name = ReverseMap.fromAddress(addr);                                                                                                                          Record [] records =                                                                                    new                                                                                      Lookup(name, Type.PTR).run();                                                                                                                                                                                                                                if                                                                                      (records == null)                                                                                                                                                                                                                                throw                                                                                                                                                  new                                                                                      UnknownHostException(                                                              "unknown address"                                                              );                                                                                                                                                                    PTRRecord ptr = (PTRRecord) records[                                                              0                                                              ];                                                                                                                                                                                                                                return                                                                                      ptr.                                                              getTarget                                                              ().toString();                                                                                                  }                                                                                          
                                                                                                                                                                                                      case                                                                                      Type.PTR:                                                                                                                      PTRRecord ptr = (PTRRecord) rr[i];                                                                                                                          records.add(IPAddr.stripDot(ptr.                                                              getTarget                                                              ().toString()));                                                                                                                                                                                                                                break                                                              ;                                                                                                                                                                                                          case                                                                                      Type.TXT:                                                                                                                                    
                                                                                                                                                                                                      case                                                                                      Type.PTR:                                                                                                                      PTRRecord ptr = (PTRRecord) rr[i];                                                                                                                          records.add(IPAddr.stripDot(ptr.                                                              getTarget                                                              ().toString()));                                                                                                                                                                                                                                break                                                              ;                                                                                                                                                                                                          case                                                                                      Type.TXT:                                                                                                                                    
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            private                                                                                      Optional<String> getHostByAddr(                                                              byte                                                              [] addr)                                                                                    throws                                                                                      IOException {                                                                                                                      Name name = ReverseMap.fromAddress(InetAddress.getByAddress(addr));                                                                                                                                    Record[] records;                                                                            Lookup lookup;                                                                                                                                                                                      if                                                                                      (dnsServers!=null) {                                                                                                                                                                                                                                final                                                                                      Resolver res =                                                                                    new                                                                                      ExtendedResolver(dnsServers);                                                                                                                                                                    lookup =                                                                                    new                                                                                      Lookup(name, Type.PTR);                                                                                                                      lookup.setResolver(res);                                                                            records = lookup.run();                                                                                                                          }                                                                                    else                                                                                      {                                                                                                                                                                    lookup =                                                                                    new                                                                                      Lookup(name, Type.PTR);                                                                                                                      records = lookup.run();                                                                            }                                                                                                                                                                                                                                              int                                                                                      result = lookup.getResult();                                                                                                                                                                                                                                if                                                                                      (result==Lookup.TRY_AGAIN) {                                                                                                                                                                                                                                throw                                                                                                                                                  new                                                                                      IOException(                                                              "Network error when trying to look up "                                                              + Arrays.toString(addr) +                                                              ", try again."                                                              );                                                                                                                      }                                                                                                                                                                                      if                                                                                      (result != Lookup.SUCCESSFUL || records == null) {                                                                                                                                                                                                                                return                                                                                      Optional.absent();                                                                                                                      }                                                                                                                                                                                      return                                                                                      Optional.of(((PTRRecord) records[                                                              0                                                              ]).                                                              getTarget                                                              ().toString());                                                                                                  }                                                                                          
                                      @Override                                                                                                                                                                public                                                                                      String getHostName(InetAddress addr) {                                                                                                                                                                    TimeMetric timeMetric = metricFactory.timer(                                                              "getHostName"                                                              );                                                                                                                      String result;                                                                            Name name = ReverseMap.fromAddress(addr);                                                                                                                          Record[] records = lookupNoException(name.toString(), Type.PTR,                                                                                    "PTR"                                                              );                                                                                                                                                                                                                                                                                        try                                                                                      {                                                                                                                                                                                                                                if                                                                                      (records == null) {                                                                                                                      result = addr.getHostAddress();                                                                                                                          }                                                                                    else                                                                                      {                                                                                                                                                                    PTRRecord ptr = (PTRRecord) records[                                                              0                                                              ];                                                                                                                                                                    result = ptr.                                                              getTarget                                                              ().toString();                                                                                                                      }                                                                                                                                                                                      return                                                                                      result;                                                                                                                                                                    }                                                                                    finally                                                                                      {                                                                                                                      timeMetric.stopAndPublish();                                                                            }                                                        }                                                                                          
                                      @Override                                                                                                                                                                public                                                                                      String getHostName(InetAddress addr) {                                                                                                                                                                    TimeMetric timeMetric = metricFactory.timer(                                                              "getHostName"                                                              );                                                                                                                      String result;                                                                            Name name = ReverseMap.fromAddress(addr);                                                                                                                          Record[] records = lookupNoException(name.toString(), Type.PTR,                                                                                    "PTR"                                                              );                                                                                                                                                                                                                                                                                        try                                                                                      {                                                                                                                                                                                                                                if                                                                                      (records == null) {                                                                                                                      result = addr.getHostAddress();                                                                                                                          }                                                                                    else                                                                                      {                                                                                                                                                                    PTRRecord ptr = (PTRRecord) records[                                                              0                                                              ];                                                                                                                                                                    result = ptr.                                                              getTarget                                                              ().toString();                                                                                                                      }                                                                                                                                                                                      return                                                                                      result;                                                                                                                                                                    }                                                                                    finally                                                                                      {                                                                                                                      timeMetric.stopAndPublish();                                                                            }                                                        }                                                                                          
                                                                                                                                                                    public                                                                                                                                                  void                                                                                      receiveRecord(                                                              final                                                                                      Object id,                                                                                    final                                                                                      Record record)                                                                                                                      {                                                                                                                                                                                      if                                                                                      (record.getTTL() >                                                                                    0                                                              )                                                                                                                      {                                                                                                                                                                                      if                                                                                      (record.getType() == Type.PTR)                                                                                                                      {                                                                                                                          String value = ((PTRRecord) record).                                                              getTarget                                                              ().toString();                                                                                                                                                                                                                                if                                                                                      (!value.endsWith(                                                              "."                                                              ))                                                                                                                      {                                                                                                                          value +=                                                                                    "."                                                              ;                                                                                                                      }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  try                                                                                                                                                                                    {                                                                                                                          domains.add(                                                              new                                                                                      Domain(                                                              new                                                                                      Name(value)));                                                                                                                                                                    }                                                                                    catch                                                                                      (TextParseException e)                                                                                                                      {                                                                            e.printStackTrace(System.err);                                                                            }                                                                            }                                                                            }                                                                            }                                                        });                                  
                                                                                                                                                                                                      if                                                                                      (shortSRVName.equals(((PTRRecord)record).                                                              getTarget                                                              ()))                                                                                                                                    
                                                                                                                                                                                                      case                                                                                      Type.PTR:                                                                                                                      PTRRecord ptr = (PTRRecord) record;                                                                                                                          service = (ServiceInstance) services.get(ptr.                                                              getTarget                                                              ());                                                                                                                                                                                                                                if                                                                                      (service != null)                                                                                                                                    
                                      @Test                                                                                                                                                                public                                                                                                                                                  void                                                                                      testReverseLookup()                                                                                    throws                                                                                      Exception {                                                                                                                                                                    ServiceRecord record = getMarshal().fromBytes(                                                              "somepath"                                                              ,                                                                                                                      CONTAINER_RECORD.getBytes());                                                                            getRegistryDNS().register(                                                                                                                                                                                      "/registry/users/root/services/org-apache-slider/test1/components/"                                                                                                                                                                                                                                  +                                                                                    "ctr-e50-1451931954322-0016-01-000002"                                                              ,                                                                                                                      record);                                                                                                                                                                                                                                                                                                                                                                                                                                      Record[] recs = assertDNSQuery(                                                              "19.0.17.172.in-addr.arpa."                                                              , Type.PTR,                                                                                    1                                                              );                                                                                                                                                                    assertEquals(                                                              "wrong result"                                                              ,                                                                                                                                                                                                                                "httpd-1.test1.root.dev.test."                                                              ,                                                                                                                                                                    ((PTRRecord) recs[                                                              0                                                              ]).                                                              getTarget                                                              ().toString());                                                                                                  }                                                                                          
                                                                                                                                        assertEquals(                                                              "wrong result"                                                              ,                                                                                                                                                                                                                                "httpd-1.test1.root.dev.test."                                                              ,                                                                                                                                                                    ((PTRRecord) recs[                                                              0                                                              ]).                                                              getTarget                                                              ().toString());                                                                                                                                                          recs = response.getSectionArray(Section.ANSWER);                                                                                                  assertEquals(                                                              "wrong result"                                                              ,                                                                                    "cn005.dev.test."                                                              ,                                                                                                                                                                    ((PTRRecord) recs[                                                              0                                                              ]).                                                              getTarget                                                              ().toString());                                                                                                                                    
                                      @Test                                                                                                                                                                public                                                                                                                                                  void                                                                                      testReverseLookupInLargeNetwork()                                                                                    throws                                                                                      Exception {                                                                                                                                                                    setRegistryDNS(                                                              new                                                                                      RegistryDNS(                                                              "TestRegistry"                                                              ));                                                                                                                      Configuration conf = createConfiguration();                                                                                                                          conf.set(RegistryConstants.KEY_DNS_DOMAIN,                                                                                    "dev.test"                                                              );                                                                                                                                                                    conf.set(KEY_DNS_ZONE_SUBNET,                                                                                    "172.17.0.0"                                                              );                                                                                                                                                                    conf.set(KEY_DNS_ZONE_MASK,                                                                                    "255.255.224.0"                                                              );                                                                                                                      conf.setTimeDuration(RegistryConstants.KEY_DNS_TTL, 30L, TimeUnit.SECONDS);                                                                                                                                    getRegistryDNS().setDomainName(conf);                                                                            getRegistryDNS().initializeZones(conf);                                                                                                                                                                                  ServiceRecord record = getMarshal().fromBytes(                                                              "somepath"                                                              ,                                                                                                                      CONTAINER_RECORD.getBytes());                                                                            getRegistryDNS().register(                                                                                                                                                                                      "/registry/users/root/services/org-apache-slider/test1/components/"                                                                                                                                                                                                                                  +                                                                                    "ctr-e50-1451931954322-0016-01-000002"                                                              ,                                                                                                                      record);                                                                                                                                                                                                                                                                                                                                                                                                                                      Record[] recs = assertDNSQuery(                                                              "19.0.17.172.in-addr.arpa."                                                              , Type.PTR,                                                                                    1                                                              );                                                                                                                                                                    assertEquals(                                                              "wrong result"                                                              ,                                                                                                                                                                                                                                "httpd-1.test1.root.dev.test."                                                              ,                                                                                                                                                                    ((PTRRecord) recs[                                                              0                                                              ]).                                                              getTarget                                                              ().toString());                                                                                                  }                                                                                          

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Source: https://www.tabnine.com/code/java/methods/org.xbill.DNS.PTRRecord/getTarget

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