package org.bouncycastle.asn1;

import java.io.IOException;
import java.util.Enumeration;

Note: this class is for processing DER/DL encoded sequences only.
/** * Note: this class is for processing DER/DL encoded sequences only. */
class LazyEncodedSequence extends ASN1Sequence { private byte[] encoded; LazyEncodedSequence( byte[] encoded) throws IOException { this.encoded = encoded; } private void parse() { Enumeration en = new LazyConstructionEnumeration(encoded); while (en.hasMoreElements()) { seq.addElement(en.nextElement()); } encoded = null; } public synchronized ASN1Encodable getObjectAt(int index) { if (encoded != null) { parse(); } return super.getObjectAt(index); } public synchronized Enumeration getObjects() { if (encoded == null) { return super.getObjects(); } return new LazyConstructionEnumeration(encoded); } public synchronized int size() { if (encoded != null) { parse(); } return super.size(); } ASN1Primitive toDERObject() { if (encoded != null) { parse(); } return super.toDERObject(); } ASN1Primitive toDLObject() { if (encoded != null) { parse(); } return super.toDLObject(); } int encodedLength() throws IOException { if (encoded != null) { return 1 + StreamUtil.calculateBodyLength(encoded.length) + encoded.length; } else { return super.toDLObject().encodedLength(); } } void encode( ASN1OutputStream out) throws IOException { if (encoded != null) { out.writeEncoded(BERTags.SEQUENCE | BERTags.CONSTRUCTED, encoded); } else { super.toDLObject().encode(out); } } }