1/*
2 * Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package sun.security.smartcardio;
27
28import java.security.*;
29
30import javax.smartcardio.*;
31import static sun.security.util.SecurityConstants.PROVIDER_VER;
32
33/**
34 * Provider object for PC/SC.
35 *
36 * @since   1.6
37 * @author  Andreas Sterbenz
38 */
39public final class SunPCSC extends Provider {
40
41    private static final long serialVersionUID = 6168388284028876579L;
42
43    private static final class ProviderService extends Provider.Service {
44
45        ProviderService(Provider p, String type, String algo, String cn) {
46            super(p, type, algo, cn, null, null);
47        }
48
49        @Override
50        public Object newInstance(Object ctrParamObj)
51            throws NoSuchAlgorithmException {
52            String type = getType();
53            String algo = getAlgorithm();
54            try {
55                if (type.equals("TerminalFactory") &&
56                    algo.equals("PC/SC")) {
57                    return new SunPCSC.Factory(ctrParamObj);
58                }
59            } catch (Exception ex) {
60                throw new NoSuchAlgorithmException("Error constructing " +
61                    type + " for " + algo + " using SunPCSC", ex);
62            }
63            throw new ProviderException("No impl for " + algo +
64                " " + type);
65        }
66    }
67
68    public SunPCSC() {
69        super("SunPCSC", PROVIDER_VER, "Sun PC/SC provider");
70
71        final Provider p = this;
72        AccessController.doPrivileged(new PrivilegedAction<Void>() {
73            public Void run() {
74                putService(new ProviderService(p, "TerminalFactory",
75                           "PC/SC", "sun.security.smartcardio.SunPCSC$Factory"));
76                return null;
77            }
78        });
79    }
80
81    public static final class Factory extends TerminalFactorySpi {
82        public Factory(Object obj) throws PCSCException {
83            if (obj != null) {
84                throw new IllegalArgumentException
85                    ("SunPCSC factory does not use parameters");
86            }
87            // make sure PCSC is available and that we can obtain a context
88            PCSC.checkAvailable();
89            PCSCTerminals.initContext();
90        }
91        /**
92         * Returns the available readers.
93         * This must be a new object for each call.
94         */
95        protected CardTerminals engineTerminals() {
96            return new PCSCTerminals();
97        }
98    }
99
100}
101