/* (c) 2014 Open Source Geospatial Foundation - all rights reserved
* (c) 2001 - 2013 OpenPlans
* This code is licensed under the GPL 2.0 license, available at the root
* application directory.
*/
package org.geoserver.security.file;
import java.io.File;
import java.io.IOException;
import org.geoserver.platform.resource.Resource;
import org.geoserver.security.GeoServerRoleService;
import org.geoserver.security.event.RoleLoadedEvent;
import org.geoserver.security.event.RoleLoadedListener;
/**
* Watches a file storing role information
* and triggers a load on external file change
*
* @author christian
*
*/
public class RoleFileWatcher extends FileWatcher implements RoleLoadedListener{
public RoleFileWatcher(Resource resource, GeoServerRoleService service) {
super(resource);
this.service=service;
checkAndConfigure();
}
public RoleFileWatcher(File file, GeoServerRoleService service) {
super(file);
this.service=service;
checkAndConfigure();
}
public RoleFileWatcher(Resource resource, GeoServerRoleService service, long lastModified) {
super(resource);
this.service=service;
this.lastModified=lastModified;
checkAndConfigure();
}
public RoleFileWatcher(File file, GeoServerRoleService service, long lastModified) {
super(file);
this.service=service;
this.lastModified=lastModified;
checkAndConfigure();
}
protected GeoServerRoleService service;
public synchronized GeoServerRoleService getService() {
return service;
}
public synchronized void setService(GeoServerRoleService service) {
this.service = service;
}
/**
* Triggers a load on {@link #service}
*
* (non-Javadoc)
* @see org.geoserver.security.file.FileWatcher#doOnChange()
*/
@Override
protected void doOnChange() {
GeoServerRoleService theService = getService();
try {
if (theService!=null)
theService.load();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public String toString() {
StringBuffer buff = new StringBuffer();
String serviceName = service==null ? "UNKNOWN" : service.getName();
buff.append("FileWatcher for ").append(serviceName);
buff.append(", ").append(getFileInfo());
return buff.toString();
}
/**
* Another method to avoid reloads if this object
* is registered
* @see GeoServerRoleService#registerRoleLoadedListener(RoleLoadedListener)
*
*/
@Override
public void rolesChanged(RoleLoadedEvent event) {
// avoid reloads
setLastModified(resource.lastmodified());
LOGGER.info("Adjusted last modified for file: " +path);
}
}