
net.codestory.http.reload.ReloadingRoutesProvider Maven / Gradle / Ivy
/**
* Copyright (C) 2013 [email protected]
*
* 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.nio.file.*;
import java.util.concurrent.atomic.*;
import net.codestory.http.*;
import net.codestory.http.io.*;
import net.codestory.http.routes.*;
import org.slf4j.*;
class ReloadingRoutesProvider implements RoutesProvider {
private final static Logger LOG = LoggerFactory.getLogger(ReloadingRoutesProvider.class);
private final Configuration configuration;
private final AtomicBoolean dirty;
private final FolderWatcher targetFolderWatcher;
private final FolderWatcher appFolderWatcher;
private RouteCollection routes;
ReloadingRoutesProvider(Configuration configuration) {
this.configuration = configuration;
this.dirty = new AtomicBoolean(true);
this.targetFolderWatcher = new FolderWatcher(Paths.get(Resources.CLASSES_OUTPUT_DIR), ev -> dirty.set(true));
this.appFolderWatcher = new FolderWatcher(Paths.get(Resources.ROOT), ev -> System.out.println("Change detected in app folder"));
}
@Override
public synchronized RouteCollection get() {
if (dirty.get()) {
LOG.info("Reloading configuration...");
targetFolderWatcher.ensureStarted();
if (false) {
appFolderWatcher.ensureStarted();
}
routes = new RouteCollection();
configuration.configure(routes);
routes.addStaticRoutes();
dirty.set(false);
}
return routes;
}
}
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