/*
* $Id$
*
* Copyright (C) 2003-2014 JNode.org
*
* This library 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 library 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 library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.emu.naming;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import javax.naming.NameAlreadyBoundException;
import javax.naming.NameNotFoundException;
import javax.naming.NamingException;
import org.jnode.naming.AbstractNameSpace;
/**
* This implementation of NameSpace does not make use of Class.getVmClass() and
* therefore can be used in JNode applications / test cases / frameworks designed
* to run on a classic Java VM.
*
* @author crawley@jnode.org
*/
public class BasicNameSpace extends AbstractNameSpace {
protected final Map<Class<?>, Object> namespace = new HashMap<Class<?>, Object>();
public <T> void bind(Class<T> name, T service)
throws NamingException, NameAlreadyBoundException {
if (name == null) {
throw new IllegalArgumentException("name == null");
}
synchronized (namespace) {
if (namespace.containsKey(name)) {
throw new NameAlreadyBoundException(name.getName());
}
namespace.put(name, service);
}
}
@SuppressWarnings("unchecked")
public <T> T lookup(Class<T> name) throws NameNotFoundException {
synchronized (namespace) {
T res = (T) namespace.get(name);
if (res == null) {
throw new NameNotFoundException(name.getName());
}
return res;
}
}
public Set<Class<?>> nameSet() {
return namespace.keySet();
}
public void unbind(Class<?> name) {
namespace.remove(name);
}
}