/**
* Copyright (C) 2013-2015 all@code-story.net
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
package net.codestory.http.reload;
import java.util.concurrent.atomic.AtomicBoolean;
import net.codestory.http.Configuration;
import net.codestory.http.logs.Logs;
import net.codestory.http.misc.Env;
import net.codestory.http.routes.RouteCollection;
class ReloadingRoutesProvider implements RoutesProvider {
private final Env env;
private final Configuration configuration;
private final AtomicBoolean dirty;
private RouteCollection routes;
private FolderChangeListener folderChangeListener;
ReloadingRoutesProvider(Env env, Configuration configuration) {
this.env = env;
this.configuration = configuration;
this.dirty = new AtomicBoolean(true);
}
@Override
public synchronized RouteCollection get() {
if (dirty.get()) {
Logs.reloadingConfiguration();
routes = new RouteCollection(env);
try {
routes.configure(configuration);
} catch (Exception e) {
Logs.unableToConfigureRoutes(e);
}
dirty.set(false);
if (folderChangeListener != null) {
env.folderWatcher().removeListener(folderChangeListener);
}
folderChangeListener = () -> dirty.set(true);
env.folderWatcher().addListener(folderChangeListener);
}
env.folderWatcher().ensureStarted();
return routes;
}
}