/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.infinispan.util;
import java.security.AccessController;
import java.security.PrivilegedAction;
/**
* Priviledged actions for the package
*
* @author Scott.Stark@jboss.org
* @since 4.2
*/
public class SysPropertyActions {
interface SysProps {
SysProps NON_PRIVILEDGED = new SysProps() {
@Override
public String getProperty(final String name, final String defaultValue) {
return System.getProperty(name, defaultValue);
}
@Override
public String getProperty(final String name) {
return System.getProperty(name);
}
@Override
public String setProperty(String key, String value) {
return System.setProperty(key, value);
}
};
SysProps PRIVILEDGED = new SysProps() {
@Override
public String getProperty(final String name, final String defaultValue) {
PrivilegedAction<Object> action = new PrivilegedAction() {
@Override
public Object run() {
return System.getProperty(name, defaultValue);
}
};
return (String) AccessController.doPrivileged(action);
}
@Override
public String getProperty(final String name) {
PrivilegedAction<Object> action = new PrivilegedAction() {
@Override
public Object run() {
return System.getProperty(name);
}
};
return (String) AccessController.doPrivileged(action);
}
@Override
public String setProperty(final String name, final String value) {
PrivilegedAction<Object> action = new PrivilegedAction() {
@Override
public Object run() {
return System.setProperty(name, value);
}
};
return (String) AccessController.doPrivileged(action);
}
};
String getProperty(String name, String defaultValue);
String getProperty(String name);
String setProperty(String name, String value);
}
public static String getProperty(String name, String defaultValue) {
if (System.getSecurityManager() == null)
return SysProps.NON_PRIVILEDGED.getProperty(name, defaultValue);
return SysProps.PRIVILEDGED.getProperty(name, defaultValue);
}
public static String getProperty(String name) {
if (System.getSecurityManager() == null)
return SysProps.NON_PRIVILEDGED.getProperty(name);
return SysProps.PRIVILEDGED.getProperty(name);
}
public static String setProperty(String name, String value) {
if (System.getSecurityManager() == null)
return SysProps.NON_PRIVILEDGED.setProperty(name, value);
return SysProps.PRIVILEDGED.setProperty(name, value);
}
}