/*

 * reserved comment block

 * DO NOT REMOVE OR ALTER!

 */

/**

 * 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.

 */

/*

 * Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.

 */

/*

 * $Id: SignerOutputStream.java, v 1.2 2005/09/15 14:29:02 mullan Exp $

 */

package org.jcp.xml.dsig.internal;

import java.io.ByteArrayOutputStream;

import java.security.Signature;

import java.security.SignatureException;

/**

 * Derived from Apache sources and changed to use java.security.Signature

 * objects as input instead of

 * com.sun.org.apache.xml.internal.security.algorithms.SignatureAlgorithm objects.

 *

 */

public class SignerOutputStream extends ByteArrayOutputStream {

    private final Signature sig;

    public SignerOutputStream(Signature sig) {

        this.sig = sig;

    }

    @Override

    public void write(int arg0) {

        super.write(arg0);

        try {

            sig.update((byte)arg0);

        } catch (SignatureException e) {

            throw new RuntimeException(e);

        }

    }

    @Override

    public void write(byte[] arg0, int arg1, int arg2) {

        super.write(arg0, arg1, arg2);

        try {

            sig.update(arg0, arg1, arg2);

        } catch (SignatureException e) {

            throw new RuntimeException(e);

        }

    }

}