com.jingtum.core.bouncycastle.asn1.DEROutputStream Maven / Gradle / Ivy

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/*
 * Copyright www.jingtum.com Inc. 
 * 
 * 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 com.jingtum.core.bouncycastle.asn1;

import java.io.IOException;
import java.io.OutputStream;

/**
 * Stream that outputs encoding based on distinguished encoding rules.
 */
public class DEROutputStream
    extends ASN1OutputStream
{
    public DEROutputStream(
        OutputStream    os)
    {
        super(os);
    }

    public void writeObject(
        ASN1Encodable obj)
        throws IOException
    {
        if (obj != null)
        {
            obj.toASN1Primitive().toDERObject().encode(this);
        }
        else
        {
            throw new IOException("null object detected");
        }
    }

    ASN1OutputStream getDERSubStream()
    {
        return this;
    }

    ASN1OutputStream getDLSubStream()
    {
        return this;
    }
}