1package org.bouncycastle.asn1; 2 3import java.io.InputStream; 4 5abstract class LimitedInputStream 6 extends InputStream 7{ 8 protected final InputStream _in; 9 private int _limit; 10 11 LimitedInputStream( 12 InputStream in, 13 int limit) 14 { 15 this._in = in; 16 this._limit = limit; 17 } 18 19 int getRemaining() 20 { 21 // TODO: maybe one day this can become more accurate 22 return _limit; 23 } 24 25 protected void setParentEofDetect(boolean on) 26 { 27 if (_in instanceof IndefiniteLengthInputStream) 28 { 29 ((IndefiniteLengthInputStream)_in).setEofOn00(on); 30 } 31 } 32} 33