1 package org.bouncycastle.asn1; 2 3 import java.io.IOException; 4 import java.util.Enumeration; 5 6 class LazyConstructionEnumeration 7 implements Enumeration 8 { 9 private ASN1InputStream aIn; 10 private Object nextObj; 11 12 public LazyConstructionEnumeration(byte[] encoded) 13 { 14 aIn = new ASN1InputStream(encoded, true); 15 nextObj = readObject(); 16 } 17 18 public boolean hasMoreElements() 19 { 20 return nextObj != null; 21 } 22 23 public Object nextElement() 24 { 25 Object o = nextObj; 26 27 nextObj = readObject(); 28 29 return o; 30 } 31 32 private Object readObject() 33 { 34 try 35 { 36 return aIn.readObject(); 37 } 38 catch (IOException e) 39 { 40 throw new ASN1ParsingException("malformed DER construction: " + e, e); 41 } 42 } 43 } 44
