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package org.glassfish.jersey.examples.helloworld.jaxrs;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.URI;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.ext.RuntimeDelegate;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
/**
* Hello world application using only the standard JAX-RS API and lightweight HTTP server bundled in JDK.
*
* @author Martin Matula (martin.matula at oracle.com)
*/
public class App {
/**
* Starts the lightweight HTTP server serving the JAX-RS application.
*
* @return new instance of the lightweight HTTP server
* @throws IOException
*/
static HttpServer startServer() throws IOException {
// create a new server listening at port 8080
HttpServer server = HttpServer.create(new InetSocketAddress(getBaseURI().getPort()), 0);
// create a handler wrapping the JAX-RS application
HttpHandler handler = RuntimeDelegate.getInstance().createEndpoint(new JaxRsApplication(), HttpHandler.class);
// map JAX-RS handler to the server root
server.createContext(getBaseURI().getPath(), handler);
// start the server
server.start();
return server;
}
@SuppressWarnings("ResultOfMethodCallIgnored")
public static void main(String[] args) throws IOException {
System.out.println("\"Hello World\" Jersey Example Application");
HttpServer server = startServer();
System.out.println("Application started.\n" +
"Try accessing " + getBaseURI() + "helloworld in the browser.\n" +
"Hit enter to stop the application...");
System.in.read();
server.stop(0);
}
private static int getPort(int defaultPort) {
final String port = System.getProperty("jersey.config.test.container.port");
if (null != port) {
try {
return Integer.parseInt(port);
} catch (NumberFormatException e) {
System.out.println("Value of jersey.config.test.container.port property" +
" is not a valid positive integer [" + port + "]." +
" Reverting to default [" + defaultPort + "].");
}
}
return defaultPort;
}
/**
* Gets base {@link URI}.
*
* @return base {@link URI}.
*/
public static URI getBaseURI() {
return UriBuilder.fromUri("http://localhost/").port(getPort(8080)).build();
}
}