001 package org.apache.commons.ssl.asn1; 002 003 import java.io.IOException; 004 005 public abstract class ASN1Object 006 extends DERObject { 007 /** 008 * Create a base ASN.1 object from a byte stream. 009 * 010 * @param data the byte stream to parse. 011 * @return the base ASN.1 object represented by the byte stream. 012 * @throws IOException if there is a problem parsing the data. 013 */ 014 public static ASN1Object fromByteArray(byte[] data) 015 throws IOException { 016 ASN1InputStream aIn = new ASN1InputStream(data); 017 018 return (ASN1Object) aIn.readObject(); 019 } 020 021 public final boolean equals(Object o) { 022 if (this == o) { 023 return true; 024 } 025 026 return (o instanceof DEREncodable) && asn1Equals(((DEREncodable) o).getDERObject()); 027 } 028 029 public abstract int hashCode(); 030 031 abstract void encode(DEROutputStream out) throws IOException; 032 033 abstract boolean asn1Equals(DERObject o); 034 }