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/*
* Copyright (c) 2015, 2017, 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.
*
* 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 c;
import java.security.Provider;
import java.security.Security;
import java.util.Iterator;
import java.util.ServiceLoader;
/**
* A Test client using different mechanism to search the custom security
* provider. It uses ClassLoader, ServiceLoader and default mechanism to find
* a provider registered through "java.security" extension file.
*/
public class TestClient {
public static void main(String[] args) throws Exception {
Provider p = null;
if (args != null && args.length > 1) {
switch (args[0]) {
case "CL":
p = (Provider) Class.forName(args[1]).newInstance();
if (Security.addProvider(p) == -1) {
throw new RuntimeException("Failed to add provider");
}
break;
case "SL":
ServiceLoader<Provider> services
= ServiceLoader.load(java.security.Provider.class);
Iterator<Provider> iterator = services.iterator();
while (iterator.hasNext()) {
Provider spr = iterator.next();
if (spr.getName().equals(args[1])) {
p = spr;
if (Security.addProvider(p) == -1) {
throw new RuntimeException(
"Failed to add provider");
}
break;
}
}
break;
case "SPN":
case "SPT":
p = Security.getProvider(args[1]);
break;
default:
throw new RuntimeException("Invalid argument.");
}
}
if (p == null) {
throw new RuntimeException("Provider TestProvider not found");
}
System.out.printf("Client: found provider %s", p.getName());
}
}
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