/*
* Copyright ( c ) 2014 , 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 .
*/
/**
* @ test
* @ run main / othervm - Djava . security . manager = allow WithSecurityManager allow
* @ run main / othervm - Djava . security . manager = allow WithSecurityManager deny
*/
import java.net.URI;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Collections;
public class WithSecurityManager {
public static void main(String[] args) throws Exception {
Path modulesPath = Paths.get(System.getProperty("java.home" ),
"lib" , "modules" );
if (Files.notExists(modulesPath)) {
System.out.printf("%s doesn't exist." , modulesPath.toString());
System.out.println();
System.out.println("It is most probably an exploded build."
+ " Skip the test." );
return ;
}
boolean allow = args[0 ].equals("allow" );
// set security policy to allow access
if (allow) {
String testSrc = System.getProperty("test.src" );
if (testSrc == null )
testSrc = "." ;
Path policyFile = Paths.get(testSrc, "java.policy" );
System.setProperty("java.security.policy" , policyFile.toString());
}
// make sure that jrt:/ has been created before we have a security manager
FileSystems.getFileSystem(URI.create("jrt:/" ));
System.setSecurityManager(new SecurityManager());
// check FileSystems.getFileSystem
try {
FileSystems.getFileSystem(URI.create("jrt:/" ));
if (!allow) throw new RuntimeException("access not expected" );
} catch (SecurityException se) {
if (allow)
throw se;
}
// check FileSystems.newFileSystem
try {
FileSystems.newFileSystem(URI.create("jrt:/" ), Collections.emptyMap());
if (!allow) throw new RuntimeException("access not expected" );
} catch (SecurityException se) {
if (allow)
throw se;
}
// check Paths.get
try {
Paths.get(URI.create("jrt:/java.base/java/lang/Object.class" ));
if (!allow) throw new RuntimeException("access not expected" );
} catch (SecurityException se) {
if (allow)
throw se;
}
}
}
Messung V0.5 in Prozent C=89 H=90 G=89
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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