io.undertow.server.protocol.ajp.SecurityActions Maven / Gradle / Ivy
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* Copyright 2020 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.undertow.server.protocol.ajp;
import static java.lang.System.getProperty;
import static java.lang.System.getSecurityManager;
import static java.security.AccessController.doPrivileged;
import java.security.PrivilegedAction;
/**
* Security actions to access system environment information. No methods in
* this class are to be made public under any circumstances!
*/
final class SecurityActions {
private SecurityActions() {
// forbidden inheritance
}
static String getSystemProperty(final String key) {
return getSecurityManager() == null ? getProperty(key) : doPrivileged(new PrivilegedAction() {
@Override
public String run() {
return getProperty(key);
}
});
}
}