/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.jboss.services.binding;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Set;
/**
* Defines system properties for a given set of {@link SystemPropertyBinding}s
* in its {@link #start()} phase, and clears them in its {@link #stop()} phase.
* <p>
* Intent is this service would be used as a utility to convert
* {@link ServiceBindingManager} values into system properties so other
* services could consume them without being aware of
* <code>ServiceBindingManager</code>.
* <p/>
*
* @author Brian Stansberry
* @version $Revision: 85945 $
*/
public class SystemPropertyBinder
{
private final Set<SystemPropertyBinding> bindings;
public SystemPropertyBinder(Set<SystemPropertyBinding> bindings)
{
this.bindings = bindings;
}
public void start()
{
for (SystemPropertyBinding binding : bindings)
{
final String property = binding.getProperty();
final String value = binding.getValue();
if (System.getSecurityManager() == null)
{
System.setProperty(property, value);
}
else
{
AccessController.doPrivileged(new PrivilegedAction<Object>() {
public Object run()
{
System.setProperty(property, value);
return null;
}
});
}
}
}
public void stop()
{
for (SystemPropertyBinding binding : bindings)
{
final String property = binding.getProperty();
if (System.getSecurityManager() == null)
{
System.clearProperty(property);
}
else
{
AccessController.doPrivileged(new PrivilegedAction<Object>() {
public Object run()
{
System.clearProperty(property);
return null;
}
});
}
}
}
}