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      1 /*
      2  *  Licensed to the Apache Software Foundation (ASF) under one or more
      3  *  contributor license agreements.  See the NOTICE file distributed with
      4  *  this work for additional information regarding copyright ownership.
      5  *  The ASF licenses this file to You under the Apache License, Version 2.0
      6  *  (the "License"); you may not use this file except in compliance with
      7  *  the License.  You may obtain a copy of the License at
      8  *
      9  *     http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  *  Unless required by applicable law or agreed to in writing, software
     12  *  distributed under the License is distributed on an "AS IS" BASIS,
     13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  *  See the License for the specific language governing permissions and
     15  *  limitations under the License.
     16  */
     17 
     18 /**
     19 * @author Vladimir N. Molotkov, Stepan M. Mishura
     20 * @version $Revision$
     21 */
     22 
     23 package org.apache.harmony.security.asn1;
     24 
     25 import java.util.Collection;
     26 
     27 
     28 /**
     29  * This abstract class represents ASN.1 collection type.
     30  *
     31  * The value for such type is a collection of zero or
     32  * more occurrences of a provided type.
     33  *
     34  * @see <a href="http://asn1.elibel.tm.fr/en/standards/index.htm">ASN.1</a>
     35  */
     36 public abstract class ASN1ValueCollection extends ASN1Constructed {
     37 
     38     /** A value collection of this ASN.1 type */
     39     public final ASN1Type type;
     40 
     41     /**
     42      * Constructs ASN1 collection type.
     43      */
     44     public ASN1ValueCollection(int tagNumber, ASN1Type type) {
     45         super(tagNumber);
     46         this.type = type;
     47     }
     48 
     49     /**
     50      * Provides an object's values to be encoded
     51      *
     52      * Derived classes should override this method to provide
     53      * encoding for a selected class of objects.
     54      *
     55      * @param - an object to be encoded
     56      * @return - a collection of object's values to be encoded
     57      */
     58     public Collection<?> getValues(Object object) {
     59         return (Collection<?>) object;
     60     }
     61 }
     62