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