org.apache.geronimo.crypto.asn1.BERSequence Maven / Gradle / Ivy

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/**
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.apache.geronimo.crypto.asn1;

import java.io.IOException;
import java.util.Enumeration;

public class BERSequence
    extends DERSequence
{
    /**
     * create an empty sequence
     */
    public BERSequence()
    {
    }

    /**
     * create a sequence containing one object
     */
    public BERSequence(
        DEREncodable    obj)
    {
        super(obj);
    }

    /**
     * create a sequence containing a vector of objects.
     */
    public BERSequence(
        DEREncodableVector   v)
    {
        super(v);
    }

    /*
     */
    void encode(
        DEROutputStream out)
        throws IOException
    {
        if (out instanceof ASN1OutputStream || out instanceof BEROutputStream)
        {
            out.write(SEQUENCE | CONSTRUCTED);
            out.write(0x80);

            Enumeration e = getObjects();
            while (e.hasMoreElements())
            {
                out.writeObject(e.nextElement());
            }

            out.write(0x00);
            out.write(0x00);
        }
        else
        {
            super.encode(out);
        }
    }
}