/*
 *  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.
 */

/**
* @author Alexander Y. Kleymenov
* @version $Revision$
*/

package org.apache.harmony.security.x501;

import org.apache.harmony.security.asn1.ASN1Choice;
import org.apache.harmony.security.asn1.ASN1StringType;
import org.apache.harmony.security.asn1.ASN1Type;


/**
 * The class encapsulates the ASN.1 DER encoding/decoding work
 * with the DirectoryString structure
 * (as specified in RFC 3280 -
 *  Internet X.509 Public Key Infrastructure.
 *  Certificate and Certificate Revocation List (CRL) Profile.
 *  http://www.ietf.org/rfc/rfc3280.txt):
 *
 * <pre>
 *   DirectoryString ::= CHOICE {
 *        teletexString             TeletexString   (SIZE (1..MAX)),
 *        printableString           PrintableString (SIZE (1..MAX)),
 *        universalString           UniversalString (SIZE (1..MAX)),
 *        utf8String              UTF8String      (SIZE (1..MAX)),
 *        bmpString               BMPString       (SIZE (1..MAX))
 *   }
 * </pre>
 */
public final class DirectoryString {

    public static final ASN1Choice ASN1 = new ASN1Choice(new ASN1Type[] {
           ASN1StringType.TELETEXSTRING,
           ASN1StringType.PRINTABLESTRING,
           ASN1StringType.UNIVERSALSTRING,
           ASN1StringType.UTF8STRING,
           ASN1StringType.BMPSTRING }) {

        public int getIndex(java.lang.Object object) {
            return 1; // always code as ASN1 printableString
            //return 4; // always code as ASN1 utf8String
        }

        public Object getObjectToEncode(Object object) {
            return /*(String)*/ object;
        }
    };
}