25 
  26 package com.sun.jndi.ldap;
  27 
  28 import java.io.UnsupportedEncodingException;
  29 
  30 /**
  31   * A BER decoder. Contains methods to parse a BER buffer.
  32   *
  33   * @author Jagane Sundar
  34   * @author Vincent Ryan
  35   */
  36 public final class BerDecoder extends Ber {
  37 
  38     private int origOffset;  // The start point in buf to decode
  39 
  40     /**
  41      * Creates a BER decoder that reads bytes from the specified buffer.
  42      */
  43     public BerDecoder(byte buf[], int offset, int bufsize) {
  44 
  45         this.buf = buf;
  46         this.bufsize = bufsize;
  47         this.origOffset = offset;
  48 
  49         reset();
  50     }
  51 
  52     /**
  53      * Resets this decode to start parsing from the initial offset
  54      * (ie., same state as after calling the constructor).
  55      */
  56     public void reset() {
  57         offset = origOffset;
  58     }
  59 
  60     /**
  61       * Returns the current parse position.
  62       * It points to the byte that will be parsed next.
  63       * Useful for parsing sequences.
  64       */
  65     public int getParsePosition() {

  25 
  26 package com.sun.jndi.ldap;
  27 
  28 import java.io.UnsupportedEncodingException;
  29 
  30 /**
  31   * A BER decoder. Contains methods to parse a BER buffer.
  32   *
  33   * @author Jagane Sundar
  34   * @author Vincent Ryan
  35   */
  36 public final class BerDecoder extends Ber {
  37 
  38     private int origOffset;  // The start point in buf to decode
  39 
  40     /**
  41      * Creates a BER decoder that reads bytes from the specified buffer.
  42      */
  43     public BerDecoder(byte buf[], int offset, int bufsize) {
  44 
  45         this.buf = buf;         // shared buffer, be careful to use this class
  46         this.bufsize = bufsize;
  47         this.origOffset = offset;
  48 
  49         reset();
  50     }
  51 
  52     /**
  53      * Resets this decode to start parsing from the initial offset
  54      * (ie., same state as after calling the constructor).
  55      */
  56     public void reset() {
  57         offset = origOffset;
  58     }
  59 
  60     /**
  61       * Returns the current parse position.
  62       * It points to the byte that will be parsed next.
  63       * Useful for parsing sequences.
  64       */
  65     public int getParsePosition() {