src/main/java/org/lwes/TypeID.java

   1 package org.lwes;
   2
   3 /**
   4  * This class contains some global variables used in various parts of
   5  * the event system.
   6  * @author Anthony Molinaro
   7  * @author Michael P. Lum
   8  */
   9 public class TypeID
  10 {
  11         /**
  12          * The token used for <tt>undefined</tt> types in LWES
  13          */
  14         public final static byte UNDEFINED_TOKEN = (byte)0xff;
  15
  16         /**
  17          * The token used by <tt>uint16</tt> in the Event Serialization Protocol
  18          */
  19         public final static byte UINT16_TOKEN = (byte)0x01;
  20
  21         /**
  22          * The token used by <tt>int16</tt> in the Event Serialization Protocol
  23          */
  24         public final static byte INT16_TOKEN  = (byte)0x02;
  25         /**
  26          * The token used by <tt>uint32</tt> in the Event Serialization Protocol
  27          */
  28         public final static byte UINT32_TOKEN = (byte)0x03;
  29         /**
  30          * The token used by <tt>int32</tt> in the Event Serialization Protocol
  31          */
  32         public final static byte INT32_TOKEN  = (byte)0x04;
  33         /**
  34          * The token used by <tt>string</tt> in the Event Serialization Protocol
  35          */
  36         public final static byte STRING_TOKEN = (byte)0x05;
  37         /**
  38          * The token used by <tt>ip_addr</tt> in the Event Serialization Protocol
  39          */
  40         public final static byte IPADDR_TOKEN = (byte)0x06;
  41         /**
  42          * The token used by <tt>int64</tt> in the Event Serialization Protocol
  43          */
  44         public final static byte INT64_TOKEN  = (byte)0x07;
  45         /**
  46          * The token used by <tt>uint64</tt> in the Event Serialization Protocol
  47          */
  48         public final static byte UINT64_TOKEN = (byte)0x08;
  49         /**
  50          * The token used by <tt>boolean</tt> in the Event Serialization Protocol
  51          */
  52         public final static byte BOOLEAN_TOKEN= (byte)0x09;
  53
  54         /**
  55          * The  string used by <tt>uint16</tt> in the Event Serialization Protocol
  56          */
  57         public final static String UINT16_STRING = "uint16";
  58         /**
  59          * The  string used by <tt>int16</tt> in the Event Serialization Protocol
  60          */
  61         public final static String INT16_STRING  = "int16";
  62         /**
  63          * The  string used by <tt>uint32</tt> in the Event Serialization Protocol
  64          */
  65         public final static String UINT32_STRING = "uint32";
  66         /**
  67          * The  string used by <tt>int32</tt> in the Event Serialization Protocol
  68          */
  69         public final static String INT32_STRING  = "int32";
  70         /**
  71          * The  string used by <tt>string</tt> in the Event Serialization Protocol
  72          */
  73         public final static String STRING_STRING = "string";
  74         /**
  75          * The  string used by <tt>ip_addr</tt> in the Event Serialization Protocol
  76          */
  77         public final static String IPADDR_STRING= "ip_addr";
  78         /**
  79          * The  string used by <tt>int64</tt> in the Event Serialization Protocol
  80          */
  81         public final static String INT64_STRING  = "int64";
  82         /**
  83          * The  string used by <tt>uint64</tt> in the Event Serialization Protocol
  84          */
  85         public final static String UINT64_STRING = "uint64";
  86         /**
  87          * The  string used by <tt>boolean</tt> in the Event Serialization Protocol
  88          */
  89         public final static String BOOLEAN_STRING= "boolean";
  90
  91         /**
  92          * This is a regular expression for parsing an integer number from a string
  93          */
  94         public final static String SIGNED_INTEGER_REGEX = "-?\\d+";
  95         /**
  96          * This is a regular expression for parsing an unsigned integer number
  97          * from a string
  98          */
  99         public final static String UNSIGNED_INTEGER_REGEX = "\\d+(?=\\s|$)";
 100         /**
 101          * This is a regular expression for matching a hexidecimal short from a string
 102          */
 103         public final static String HEX_SHORT_REGEX = "0x[0-9a-fA-F]{1,4}(?=\\s|$)";
 104         /**
 105          * This is a regular expression for matching a hexidecimal int from a string
 106          */
 107         public final static String HEX_INT_REGEX = "0x[0-9a-fA-F]{5,8}(?=\\s|$)";
 108         /**
 109          * This is a regular expression for matching a hexidecimal long from a string
 110          */
 111         public final static String HEX_LONG_REGEX = "0x[0-9a-fA-F]{9,16}(?=\\s|$)";
 112         /**
 113          * This is a regular expression for matching an ip address from a string
 114          */
 115         public final static String IP_ADDR_REGEX
 116         = "\\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\b";
 117     /**
 118          * This is a regular expression for matching a boolean from a string
 119          */
 120         public final static String BOOLEAN_REGEX = "true|false";
 121
 122         /**
 123          * Simple conversion utility
 124          */
 125         public static String byteIDToString(byte id)
 126         {
 127                 switch(id)
 128                 {
 129                 case UINT16_TOKEN :
 130                         return UINT16_STRING;
 131                 case INT16_TOKEN  :
 132                         return INT16_STRING;
 133                 case UINT32_TOKEN :
 134                         return UINT32_STRING;
 135                 case INT32_TOKEN  :
 136                         return INT32_STRING;
 137                 case STRING_TOKEN :
 138                         return STRING_STRING;
 139                 case IPADDR_TOKEN :
 140                         return IPADDR_STRING;
 141                 case INT64_TOKEN  :
 142                         return INT64_STRING;
 143                 case UINT64_TOKEN :
 144                         return UINT64_STRING;
 145                 case BOOLEAN_TOKEN:
 146                         return BOOLEAN_STRING;
 147                 default:
 148                         return null;
 149                 }
 150         }
 151
 152         /**
 153          * Another conversion utility
 154          */
 155         public static byte stringToByteID(String id)
 156         {
 157                 if ( id.equals(UINT16_STRING) )
 158                         return UINT16_TOKEN;
 159                 else if ( id.equals(INT16_STRING) )
 160                         return INT16_TOKEN;
 161                 else if ( id.equals(UINT32_STRING) )
 162                         return UINT32_TOKEN;
 163                 else if ( id.equals(INT32_STRING) )
 164                         return INT32_TOKEN;
 165                 else if ( id.equals(STRING_STRING) )
 166                         return STRING_TOKEN;
 167                 else if ( id.equals(IPADDR_STRING) )
 168                         return IPADDR_TOKEN;
 169                 else if ( id.equals(INT64_STRING) )
 170                         return INT64_TOKEN;
 171                 else if ( id.equals(UINT64_STRING) )
 172                         return UINT64_TOKEN;
 173                 else if ( id.equals(BOOLEAN_STRING) )
 174                         return BOOLEAN_TOKEN;
 175                 else
 176                         return UNDEFINED_TOKEN;
 177         }
 178 }