/*

 * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package com.sun.jndi.ldap;

import java.io.OutputStream;

import java.io.IOException;

import java.io.ByteArrayInputStream;

import sun.misc.HexDumpEncoder;

/**

  * Base class that defines common fields, constants, and debug method.

  *

  * @author Jagane Sundar

  */

public abstract class Ber {

    protected byte buf[];

    protected int offset;

    protected int bufsize;

    protected Ber() {

    }

    public static void dumpBER(OutputStream outStream, String tag, byte[] bytes,

        int from, int to) {

        try {

            outStream.write('\n');

            outStream.write(tag.getBytes("UTF8"));

            new HexDumpEncoder().encodeBuffer(

                new ByteArrayInputStream(bytes, from, to),

                outStream);

            outStream.write('\n');

        } catch (IOException e) {

            try {

                outStream.write(

                    "Ber.dumpBER(): error encountered\n".getBytes("UTF8"));

            } catch (IOException e2) {

                // ignore

            }

        }

    }

    ////////////////////////////////////////////////////////////////////////////

    //

    // some ASN defines

    //

    ////////////////////////////////////////////////////////////////////////////

    public static final int ASN_BOOLEAN         = 0x01;

    public static final int ASN_INTEGER         = 0x02;

    public static final int ASN_BIT_STRING      = 0x03;

    public static final int ASN_SIMPLE_STRING   = 0x04;

    public static final int ASN_OCTET_STR       = 0x04;

    public static final int ASN_NULL            = 0x05;

    public static final int ASN_OBJECT_ID       = 0x06;

    public static final int ASN_SEQUENCE        = 0x10;

    public static final int ASN_SET             = 0x11;

    public static final int ASN_PRIMITIVE       = 0x00;

    public static final int ASN_UNIVERSAL       = 0x00;

    public static final int ASN_CONSTRUCTOR     = 0x20;

    public static final int ASN_APPLICATION     = 0x40;

    public static final int ASN_CONTEXT         = 0x80;

    public static final int ASN_PRIVATE         = 0xC0;

    public static final int ASN_ENUMERATED      = 0x0a;

    final static class EncodeException extends IOException {

        private static final long serialVersionUID = -5247359637775781768L;

        EncodeException(String msg) {

            super(msg);

        }

    }

    final static class DecodeException extends IOException {

        private static final long serialVersionUID = 8735036969244425583L;

        DecodeException(String msg) {

            super(msg);

        }

    }

}