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    
030    /**
031     * BER TaggedObject
032     */
033    public class BERTaggedObject extends DERTaggedObject
034    {
035        /**
036         * @param tag
037         *            the tag number for this object.
038         * @param obj
039         *            the tagged object.
040         */
041        public BERTaggedObject(int tag, DEREncodable obj)
042        {
043            super( tag, obj );
044        }
045    
046    
047        /**
048         * @param explicit true
049         *            if an explicitly tagged object.
050         * @param tag
051         *            the tag number for this object.
052         * @param obj
053         *            the tagged object.
054         */
055        public BERTaggedObject(boolean explicit, int tag, DEREncodable obj)
056        {
057            super( explicit, tag, obj );
058        }
059    
060    
061        public void encode( ASN1OutputStream out ) throws IOException
062        {
063            out.write( DERObject.CONSTRUCTED | DERObject.TAGGED | tag );
064            out.write( DERObject.TAGGED );
065    
066            if ( !empty )
067            {
068                if ( !explicit )
069                {
070                    if ( obj instanceof DEROctetString )
071                    {
072                        Enumeration<DEREncodable> e;
073    
074                        if ( obj instanceof BERConstructedOctetString )
075                        {
076                            e = ( ( BERConstructedOctetString ) obj ).getObjects();
077                        }
078                        else
079                        {
080                            DEROctetString octs = ( DEROctetString ) obj;
081                            BERConstructedOctetString berO = new BERConstructedOctetString( octs.getOctets() );
082    
083                            e = berO.getObjects();
084                        }
085    
086                        while ( e.hasMoreElements() )
087                        {
088                            out.writeObject( e.nextElement() );
089                        }
090                    }
091                    else if ( obj instanceof DERSequence )
092                    {
093                        Enumeration<DEREncodable> e = ( ( DERSequence ) obj ).getObjects();
094    
095                        while ( e.hasMoreElements() )
096                        {
097                            out.writeObject( e.nextElement() );
098                        }
099                    }
100                    else
101                    {
102                        throw new RuntimeException( "Not implemented: " + obj.getClass().getName() );
103                    }
104                }
105                else
106                {
107                    out.writeObject( obj );
108                }
109            }
110    
111            out.write( DERObject.TERMINATOR );
112            out.write( DERObject.TERMINATOR );
113        }
114    }