src/org/lwes/serializer/DeserializerState.java

   1 package org.lwes.serializer;
   2
   3 /**
   4  * An internal class used by the Deserializer to keep track of its state
   5  *
   6  * @author Anthony Molinaro
   7  */
   8 public class DeserializerState
   9 {
  10         private int index;
  11
  12         /**
  13          * Constructor
  14          */
  15         public DeserializerState()
  16         {
  17                 index = 0;
  18         }
  19
  20         /**
  21          * Increments the index into a byte array, by a specified amount
  22          * and returns the new index value.
  23          *
  24          * @param amount the amount to increment by
  25          * @return the new index value as an int
  26          */
  27         public int incr(int amount)
  28         {
  29                 index += amount;
  30                 return index;
  31         }
  32
  33         /**
  34          * return the current index
  35          *
  36          * @return the current index as an int
  37          */
  38         public int currentIndex()
  39         {
  40                 return index;
  41         }
  42
  43         /**
  44          * reset the object to a clean state
  45          *
  46          */
  47         public void reset()
  48         {
  49                 index = 0;
  50         }
  51
  52         /**
  53          * Returns a String representation of this object
  54          * Overrides method in <tt>Object</tt>
  55          *
  56          * @return a String return of this object.
  57          */
  58         public String toString()
  59         {
  60                 return "DeserializeState = "+index;
  61         }
  62 }
  63