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8202419: Avoid creating Permission constants early

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Reviewed-by: alanb, mullan
This commit is contained in:
Claes Redestad 2018-04-30 16:27:23 +02:00
parent f7afa8ff53
commit 0f478d2cfd
4 changed files with 26 additions and 21 deletions
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16
src/java.base/share/classes/java/lang/reflect/AccessibleObject.java
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@ -35,6 +35,7 @@ import jdk.internal.reflect.CallerSensitive;
import jdk.internal.reflect.Reflection;
import jdk.internal.reflect.ReflectionFactory;
import sun.security.action.GetPropertyAction;
import sun.security.util.SecurityConstants;
/**
* The {@code AccessibleObject} class is the base class for {@code Field},
@ -73,17 +74,14 @@ import sun.security.action.GetPropertyAction;
*/
public class AccessibleObject implements AnnotatedElement {
/**
* The Permission object that is used to check whether a client
* has sufficient privilege to defeat Java language access
* control checks.
*/
private static final java.security.Permission ACCESS_PERMISSION =
new ReflectPermission("suppressAccessChecks");
static void checkPermission() {
SecurityManager sm = System.getSecurityManager();
if (sm != null) sm.checkPermission(ACCESS_PERMISSION);
if (sm != null) {
// SecurityConstants.ACCESS_PERMISSION is used to check
// whether a client has sufficient privilege to defeat Java
// language access control checks.
sm.checkPermission(SecurityConstants.ACCESS_PERMISSION);
}
}
/**