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.ByteArrayOutputStream;
027    import java.io.IOException;
028    import java.util.Enumeration;
029    import java.util.Vector;
030    
031    
032    /**
033     * A DER encoded set object
034     */
035    public class DERSet implements DEREncodable
036    {
037        protected Vector<DEREncodable> set = new Vector<DEREncodable>();
038    
039    
040        public Enumeration<DEREncodable> getObjects()
041        {
042            return set.elements();
043        }
044    
045    
046        public DEREncodable getObjectAt( int index )
047        {
048            return ( DEREncodable ) set.elementAt( index );
049        }
050    
051    
052        public int size()
053        {
054            return set.size();
055        }
056    
057    
058        public void add( DEREncodable obj )
059        {
060            set.addElement( obj );
061        }
062    
063    
064        public void encode( ASN1OutputStream out ) throws IOException
065        {
066            ByteArrayOutputStream baos = new ByteArrayOutputStream();
067            ASN1OutputStream aos = new ASN1OutputStream( baos );
068    
069            Enumeration<DEREncodable> e = getObjects();
070    
071            while ( e.hasMoreElements() )
072            {
073                aos.writeObject( e.nextElement() );
074            }
075    
076            aos.close();
077    
078            byte[] bytes = baos.toByteArray();
079    
080            out.writeEncoded( DERObject.SET | DERObject.CONSTRUCTED, bytes );
081        }
082    }