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
23package org.apache.harmony.security.asn1;
24
25import java.io.IOException;
26import java.util.Arrays;
27import java.util.Collection;
28import java.util.List;
29
30
31/**
32 * This class represents ASN.1 SetOf type.
33 *
34 * @see <a href="http://asn1.elibel.tm.fr/en/standards/index.htm">ASN.1</a>
35 */
36
37public class ASN1SetOf extends ASN1ValueCollection {
38
39    public ASN1SetOf(ASN1Type type) {
40        super(TAG_SETOF, type);
41    }
42
43    //
44    //
45    // Decode
46    //
47
48    public Object decode(BerInputStream in) throws IOException {
49        in.readSetOf(this);
50
51        if (in.isVerify) {
52            return null;
53        }
54        return getDecodedObject(in);
55    }
56
57    //
58    //
59    // Encode
60    //
61    //
62    public final void encodeContent(BerOutputStream out) {
63        out.encodeSetOf(this);
64    }
65
66    public final void setEncodingContent(BerOutputStream out) {
67        out.getSetOfLength(this);
68    }
69
70    /**
71     * Creates array wrapper of provided ASN1 type
72     *
73     * @param type - ASN1 type to be wrapped
74     * @return - a wrapper for ASN1 set of type.
75     * @throws IOException
76     * @see org.apache.harmony.security.asn1.ASN1ValueCollection
77     */
78    public static ASN1SetOf asArrayOf(ASN1Type type) throws IOException {
79
80        return new ASN1SetOf(type) {
81            public Object getDecodedObject(BerInputStream in)
82                    throws IOException {
83                return ((List) in.content).toArray();
84            }
85
86            public Collection getValues(Object object) {
87                return Arrays.asList((Object[]) object);
88            }
89        };
90    }
91}
92
93