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/*
* Copyright (c) 2018, 2019, 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 jdk.internal.util;
/**
* System Property access for internal use only.
* Read-only access to System property values initialized during Phase 1
* are cached. Setting, clearing, or modifying the value using
* {@link System#setProperty) or {@link System#getProperties()} is ignored.
* <strong>{@link SecurityManager#checkPropertyAccess} is NOT checked
* in these access methods. The caller of these methods should take care to ensure
* that the returned property is not made accessible to untrusted code.</strong>
*/
public final class StaticProperty {
// The class static initialization is triggered to initialize these final
// fields during init Phase 1 and before a security manager is set.
private static final String JDK_SERIAL_FILTER = System.getProperty("jdk.serialFilter");
private StaticProperty() {}
/**
*
* Return the {@code jdk.serialFilter} system property.
*
* <strong>{@link SecurityManager#checkPropertyAccess} is NOT checked
* in this method. The caller of this method should take care to ensure
* that the returned property is not made accessible to untrusted code.</strong>
*
* @return the {@code user.name} system property
*/
public static String jdkSerialFilter() {
return JDK_SERIAL_FILTER;
}
}
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