/*
* JBoss, Home of Professional Open Source.
* Copyright (c) 2011, Red Hat, Inc., 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.as.server.deployment;
import org.jboss.as.controller.services.path.PathManager;
import org.jboss.as.controller.services.path.PathManagerService;
import org.jboss.msc.service.AbstractService;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceTarget;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import org.jboss.vfs.VFS;
import org.jboss.vfs.VirtualFile;
/**
* @author <a href="mailto:cdewolf@redhat.com">Carlo de Wolf</a>
*/
class PathContentServitor extends AbstractService<VirtualFile> {
private final String unresolvedPath;
private final String relativeTo;
private final InjectedValue<PathManager> pathManagerValue = new InjectedValue<PathManager>();
private volatile PathManager.Callback.Handle callbackHandle;
static ServiceController<VirtualFile> addService(final ServiceTarget serviceTarget, final ServiceName serviceName, final String path, final String relativeTo) {
final PathContentServitor service = new PathContentServitor(path, relativeTo);
return serviceTarget.addService(serviceName, service)
.addDependency(PathManagerService.SERVICE_NAME, PathManager.class, service.pathManagerValue)
.install();
}
private PathContentServitor(final String relativePath, final String relativeTo) {
this.unresolvedPath = relativePath;
this.relativeTo = relativeTo;
}
@Override
public VirtualFile getValue() throws IllegalStateException, IllegalArgumentException {
return VFS.getChild(resolvePath());
}
private String resolvePath() {
return pathManagerValue.getValue().resolveRelativePathEntry(unresolvedPath, relativeTo);
}
@Override
public void start(StartContext context) throws StartException {
super.start(context);
if (relativeTo != null) {
callbackHandle = pathManagerValue.getValue().registerCallback(relativeTo, PathManager.ReloadServerCallback.create(), PathManager.Event.UPDATED, PathManager.Event.REMOVED);
}
}
@Override
public void stop(StopContext context) {
super.stop(context);
if (callbackHandle != null) {
callbackHandle.remove();
}
}
}