validator/src/main/java/de/kosit/validationtool/daemon/Daemon.java
2020-09-03 06:02:42 +00:00

104 lines
3.5 KiB
Java

package de.kosit.validationtool.daemon;
import static de.kosit.validationtool.impl.Printer.writeOut;
import static org.apache.commons.lang3.StringUtils.defaultIfBlank;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import lombok.RequiredArgsConstructor;
import lombok.Setter;
import lombok.extern.slf4j.Slf4j;
import de.kosit.validationtool.api.Configuration;
import de.kosit.validationtool.impl.ConversionService;
import de.kosit.validationtool.impl.DefaultCheck;
import de.kosit.validationtool.model.daemon.HealthType;
/**
* HTTP-Daemon für die Bereitstellung der Prüf-Funktionalität via http.
*
* @author Roula Antoun
*/
@RequiredArgsConstructor
@Setter
@Slf4j
public class Daemon {
private static final String DEFAULT_HOST = "localhost";
private static final int DEFAULT_PORT = 8080;
private String bindAddress;
private int port;
private int threadCount;
private boolean guiEnabled = true;
/**
* Create a new daemon.
*
* @param hostname the interface to bind to
* @param port the port to expose
* @param threadCount the number of working threads
*/
public Daemon(final String hostname, final int port, final int threadCount) {
this.bindAddress = hostname;
this.port = port;
this.threadCount = threadCount;
}
/**
* Methode zum Starten des Servers
*
* @param config the configuration to use
*/
public void startServer(final Configuration config) {
HttpServer server = null;
try {
final ConversionService healthConverter = new ConversionService();
healthConverter.initialize(HealthType.class.getPackage());
final ConversionService converter = new ConversionService();
server = HttpServer.create(getSocket(), 0);
server.createContext("/", createRootHandler(config));
server.createContext("/server/health", new HealthHandler(config, healthConverter));
server.createContext("/server/config", new ConfigHandler(config, converter));
server.setExecutor(createExecutor());
server.start();
log.info("Server {} started", server.getAddress());
writeOut("Daemon started. Visit http://{0}", this.bindAddress + ":" + this.port);
} catch (final IOException e) {
log.error("Error starting HttpServer for Valdidator: {}", e.getMessage(), e);
}
}
private HttpHandler createRootHandler(final Configuration config) {
final HttpHandler rootHandler;
final DefaultCheck check = new DefaultCheck(config);
final CheckHandler checkHandler = new CheckHandler(check, config.getContentRepository().getProcessor());
if (this.guiEnabled) {
final GuiHandler gui = new GuiHandler();
rootHandler = new RoutingHandler(checkHandler, gui);
} else {
rootHandler = checkHandler;
}
return rootHandler;
}
private ExecutorService createExecutor() {
return Executors.newFixedThreadPool(this.threadCount > 0 ? this.threadCount : Runtime.getRuntime().availableProcessors());
}
private InetSocketAddress getSocket() {
return new InetSocketAddress(defaultIfBlank(this.bindAddress, DEFAULT_HOST), this.port > 0 ? this.port : DEFAULT_PORT);
}
}