/*

 * Copyright (c) 1997, 2007, 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.jmx.snmp;

/**

 * Is used to represent an SNMP value.

 * The <CODE>Opaque</CODE> type is defined in RFC 1155.

 *

 * <p><b>This API is a Sun Microsystems internal API  and is subject

 * to change without notice.</b></p>

 */

public class SnmpOpaque extends SnmpString {

    private static final long serialVersionUID = 380952213936036664L;

    // CONSTRUCTORS

    //-------------

    /**

     * Constructs a new <CODE>SnmpOpaque</CODE> from the specified bytes array.

     * @param v The bytes composing the opaque value.

     */

    public SnmpOpaque(byte[] v) {

        super(v) ;

    }

    /**

     * Constructs a new <CODE>SnmpOpaque</CODE> with the specified <CODE>Bytes</CODE> array.

     * @param v The <CODE>Bytes</CODE> composing the opaque value.

     */

    public SnmpOpaque(Byte[] v) {

        super(v) ;

    }

    /**

     * Constructs a new <CODE>SnmpOpaque</CODE> from the specified <CODE>String</CODE> value.

     * @param v The initialization value.

     */

    public SnmpOpaque(String v) {

        super(v) ;

    }

    // PUBLIC METHODS

    //---------------

    /**

     * Converts the opaque to its <CODE>String</CODE> form, that is, a string of

     * bytes expressed in hexadecimal form.

     * @return The <CODE>String</CODE> representation of the value.

     */

    public String toString() {

        StringBuilder result = new StringBuilder() ;

        for (int i = 0 ; i < value.length ; i++) {

            byte b = value[i] ;

            int n = (b >= 0) ? b : b + 256 ;

            result.append(Character.forDigit(n / 16, 16)) ;

            result.append(Character.forDigit(n % 16, 16)) ;

        }

        return result.toString() ;

    }

    /**

     * Returns a textual description of the type object.

     * @return ASN.1 textual description.

     */

    final public String getTypeName() {

        return name ;

    }

    // VARIABLES

    //----------

    /**

     * Name of the type.

     */

    final static String name = "Opaque" ;

}