001 /* 002 * Copyright (c) 2000 - 2006 The Legion Of The Bouncy Castle (http://www.bouncycastle.org) 003 * 004 * Permission is hereby granted, free of charge, to any person obtaining a copy of this 005 * software and associated documentation files (the "Software"), to deal in the Software 006 * without restriction, including without limitation the rights to use, copy, modify, 007 * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to 008 * permit persons to whom the Software is furnished to do so, subject to the following 009 * conditions: 010 * 011 * The above copyright notice and this permission notice shall be included in all copies 012 * or substantial portions of the Software. 013 * 014 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 015 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 016 * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE 017 * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 018 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 019 * DEALINGS IN THE SOFTWARE. 020 * 021 */ 022 023 package org.apache.directory.shared.asn1.der; 024 025 026 import java.io.IOException; 027 import java.util.Enumeration; 028 029 import org.apache.directory.shared.i18n.I18n; 030 031 032 /** 033 * BER TaggedObject 034 */ 035 public class BERTaggedObject extends DERTaggedObject 036 { 037 /** 038 * @param tag 039 * the tag number for this object. 040 * @param obj 041 * the tagged object. 042 */ 043 public BERTaggedObject(int tag, DEREncodable obj) 044 { 045 super( tag, obj ); 046 } 047 048 049 /** 050 * @param explicit true 051 * if an explicitly tagged object. 052 * @param tag 053 * the tag number for this object. 054 * @param obj 055 * the tagged object. 056 */ 057 public BERTaggedObject(boolean explicit, int tag, DEREncodable obj) 058 { 059 super( explicit, tag, obj ); 060 } 061 062 063 public void encode( ASN1OutputStream out ) throws IOException 064 { 065 out.write( DERObject.CONSTRUCTED | DERObject.TAGGED | tag ); 066 out.write( DERObject.TAGGED ); 067 068 if ( !empty ) 069 { 070 if ( !explicit ) 071 { 072 if ( obj instanceof DEROctetString ) 073 { 074 Enumeration<DEREncodable> e; 075 076 if ( obj instanceof BERConstructedOctetString ) 077 { 078 e = ( ( BERConstructedOctetString ) obj ).getObjects(); 079 } 080 else 081 { 082 DEROctetString octs = ( DEROctetString ) obj; 083 BERConstructedOctetString berO = new BERConstructedOctetString( octs.getOctets() ); 084 085 e = berO.getObjects(); 086 } 087 088 while ( e.hasMoreElements() ) 089 { 090 out.writeObject( e.nextElement() ); 091 } 092 } 093 else if ( obj instanceof DERSequence ) 094 { 095 Enumeration<DEREncodable> e = ( ( DERSequence ) obj ).getObjects(); 096 097 while ( e.hasMoreElements() ) 098 { 099 out.writeObject( e.nextElement() ); 100 } 101 } 102 else 103 { 104 throw new RuntimeException( I18n.err( I18n.ERR_00027, obj.getClass().getName() ) ); 105 } 106 } 107 else 108 { 109 out.writeObject( obj ); 110 } 111 } 112 113 out.write( DERObject.TERMINATOR ); 114 out.write( DERObject.TERMINATOR ); 115 } 116 }