001    /**
002     *
003     *  Licensed to the Apache Software Foundation (ASF) under one or more
004     *  contributor license agreements.  See the NOTICE file distributed with
005     *  this work for additional information regarding copyright ownership.
006     *  The ASF licenses this file to You under the Apache License, Version 2.0
007     *  (the "License"); you may not use this file except in compliance with
008     *  the License.  You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     *  Unless required by applicable law or agreed to in writing, software
013     *  distributed under the License is distributed on an "AS IS" BASIS,
014     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     *  See the License for the specific language governing permissions and
016     *  limitations under the License.
017     */
018    
019    package org.apache.geronimo.util.asn1;
020    
021    import java.io.IOException;
022    import java.util.Enumeration;
023    
024    public class BERSequence
025        extends DERSequence
026    {
027        /**
028         * create an empty sequence
029         */
030        public BERSequence()
031        {
032        }
033    
034        /**
035         * create a sequence containing one object
036         */
037        public BERSequence(
038            DEREncodable    obj)
039        {
040            super(obj);
041        }
042    
043        /**
044         * create a sequence containing a vector of objects.
045         */
046        public BERSequence(
047            DEREncodableVector   v)
048        {
049            super(v);
050        }
051    
052        /*
053         */
054        void encode(
055            DEROutputStream out)
056            throws IOException
057        {
058            if (out instanceof ASN1OutputStream || out instanceof BEROutputStream)
059            {
060                out.write(SEQUENCE | CONSTRUCTED);
061                out.write(0x80);
062    
063                Enumeration e = getObjects();
064                while (e.hasMoreElements())
065                {
066                    out.writeObject(e.nextElement());
067                }
068    
069                out.write(0x00);
070                out.write(0x00);
071            }
072            else
073            {
074                super.encode(out);
075            }
076        }
077    }