package org.bouncycastle.asn1; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.util.Enumeration; public class DERConstructedSet extends ASN1Set { public DERConstructedSet() { } /** * @param obj - a single object that makes up the set. */ public DERConstructedSet( DEREncodable obj) { this.addObject(obj); } /** * @param v - a vector of objects making up the set. */ public DERConstructedSet( DEREncodableVector v) { for (int i = 0; i != v.size(); i++) { this.addObject(v.get(i)); } } public void addObject( DEREncodable obj) { super.addObject(obj); } public int getSize() { return size(); } /* * A note on the implementation: * <p> * As DER requires the constructed, definite-length model to * be used for structured types, this varies slightly from the * ASN.1 descriptions given. Rather than just outputing SET, * we also have to specify CONSTRUCTED, and the objects length. */ void encode( DEROutputStream out) throws IOException { ByteArrayOutputStream bOut = new ByteArrayOutputStream(); DEROutputStream dOut = new DEROutputStream(bOut); Enumeration e = this.getObjects(); while (e.hasMoreElements()) { Object obj = e.nextElement(); dOut.writeObject(obj); } dOut.close(); byte[] bytes = bOut.toByteArray(); out.writeEncoded(SET | CONSTRUCTED, bytes); } }