1 /*
2 * Copyright (c) 1999, 2018, 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
40 *
41 * @since 1.4
42 */
43 public class SubjectDomainCombiner implements java.security.DomainCombiner {
44
45 private Subject subject;
46 private WeakKeyValueMap<ProtectionDomain, ProtectionDomain> cachedPDs =
47 new WeakKeyValueMap<>();
48 private Set<Principal> principalSet;
49 private Principal[] principals;
50
51 private static final sun.security.util.Debug debug =
52 sun.security.util.Debug.getInstance("combiner",
53 "\t[SubjectDomainCombiner]");
54
55 /**
56 * Associate the provided {@code Subject} with this
57 * {@code SubjectDomainCombiner}.
58 *
59 * @param subject the {@code Subject} to be associated with
60 * with this {@code SubjectDomainCombiner}.
61 */
62 public SubjectDomainCombiner(Subject subject) {
63 this.subject = subject;
64
65 if (subject.isReadOnly()) {
66 principalSet = subject.getPrincipals();
67 principals = principalSet.toArray
68 (new Principal[principalSet.size()]);
69 }
70 }
71
72 /**
73 * Get the {@code Subject} associated with this
74 * {@code SubjectDomainCombiner}.
75 *
76 * @return the {@code Subject} associated with this
77 * {@code SubjectDomainCombiner}, or {@code null}
78 * if no {@code Subject} is associated with this
79 * {@code SubjectDomainCombiner}.
80 *
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1 /*
2 * Copyright (c) 1999, 2019, 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
40 *
41 * @since 1.4
42 */
43 public class SubjectDomainCombiner implements java.security.DomainCombiner {
44
45 private Subject subject;
46 private WeakKeyValueMap<ProtectionDomain, ProtectionDomain> cachedPDs =
47 new WeakKeyValueMap<>();
48 private Set<Principal> principalSet;
49 private Principal[] principals;
50
51 private static final sun.security.util.Debug debug =
52 sun.security.util.Debug.getInstance("combiner",
53 "\t[SubjectDomainCombiner]");
54
55 /**
56 * Associate the provided {@code Subject} with this
57 * {@code SubjectDomainCombiner}.
58 *
59 * @param subject the {@code Subject} to be associated with
60 * this {@code SubjectDomainCombiner}.
61 */
62 public SubjectDomainCombiner(Subject subject) {
63 this.subject = subject;
64
65 if (subject.isReadOnly()) {
66 principalSet = subject.getPrincipals();
67 principals = principalSet.toArray
68 (new Principal[principalSet.size()]);
69 }
70 }
71
72 /**
73 * Get the {@code Subject} associated with this
74 * {@code SubjectDomainCombiner}.
75 *
76 * @return the {@code Subject} associated with this
77 * {@code SubjectDomainCombiner}, or {@code null}
78 * if no {@code Subject} is associated with this
79 * {@code SubjectDomainCombiner}.
80 *
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