/*
* 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());
}
}
Messung V0.5 in Prozent C=93 H=93 G=92
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-10)
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