src/java.base/share/classes/sun/security/provider/Sun.java - master - githubmirror/jdk11u-dev

src/java.base/share/classes/sun/security/provider/Sun.java

76 строк3 KB

Valerie Peng

7092821: java.security.Provider.getService() is synchronized and became scalability bottleneck

13 дек 2018, 04:15

13 дек 2018, 04:154a9d3e1

/*
 * Copyright (c) 1996, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package sun.security.provider;

import java.util.*;
import java.security.*;

import static sun.security.util.SecurityConstants.PROVIDER_VER;


/**
 * The SUN Security Provider.
 *
 */
public final class Sun extends Provider {

    private static final long serialVersionUID = 6440182097568097204L;

    private static final String INFO = "SUN " +
    "(DSA key/parameter generation; DSA signing; SHA-1, MD5 digests; " +
    "SecureRandom; X.509 certificates; PKCS12, JKS & DKS keystores; " +
    "PKIX CertPathValidator; " +
    "PKIX CertPathBuilder; LDAP, Collection CertStores, JavaPolicy Policy; " +
    "JavaLoginConfig Configuration)";

    public Sun() {
        /* We are the SUN provider */
        super("SUN", PROVIDER_VER, INFO);

        Provider p = this;
        Iterator<Provider.Service> serviceIter = new SunEntries(p).iterator();

        // if there is no security manager installed, put directly into
        // the provider
        if (System.getSecurityManager() == null) {
            putEntries(serviceIter);
        } else {
            AccessController.doPrivileged(new PrivilegedAction<Void>() {
                @Override
                public Void run() {
                    putEntries(serviceIter);
                    return null;
                }
            });
        }
    }

    void putEntries(Iterator<Provider.Service> i) {
        while (i.hasNext()) {
            putService(i.next());
        }
    }
}