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/*
* Copyright 2011 Vaadin Ltd.
*
* 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 com.vaadin.launcher;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.HashMap;
import java.util.Map;
import org.mortbay.jetty.Connector;
import org.mortbay.jetty.Server;
import org.mortbay.jetty.nio.SelectChannelConnector;
import org.mortbay.jetty.security.SslSocketConnector;
import org.mortbay.jetty.webapp.WebAppContext;
import com.vaadin.launcher.util.BrowserLauncher;
/**
* Class for running Jetty servlet container within Eclipse project.
*
*/
public class DevelopmentServerLauncher {
private static final String KEYSTORE = "src/com/vaadin/launcher/keystore";
private final static int serverPort = 8888;
/**
* Main function for running Jetty.
*
* Command line Arguments are passed through to Jetty, see runServer method
* for options.
*
* @param args
* @throws Exception
*/
public static void main(String[] args) {
System.setProperty("java.awt.headless", "true");
// Pass-through of arguments for Jetty
final Map<String, String> serverArgs = parseArguments(args);
if (serverArgs.containsKey("shutdownPort")) {
int port = Integer.parseInt(serverArgs.get("shutdownPort"));
try {
// Try to notify another instance that it's time to close
Socket socket = new Socket((String) null, port);
// Wait until the other instance says it has closed
socket.getInputStream().read();
// Then tidy up
socket.close();
} catch (IOException e) {
// Ignore if port is not open
}
}
// Start Jetty
System.out.println("Starting Jetty servlet container.");
String url;
try {
url = runServer(serverArgs, "Development Server Mode");
// Start Browser
if (serverArgs.containsKey("gui") && url != null) {
System.out.println("Starting Web Browser.");
// Open browser into application URL
BrowserLauncher.openBrowser(url);
}
} catch (Exception e) {
// NOP exception already on console by jetty
}
}
/**
* Run the server with specified arguments.
*
* @param serverArgs
* @return
* @throws Exception
* @throws Exception
*/
protected static String runServer(Map<String, String> serverArgs,
String mode) throws Exception {
// Assign default values for some arguments
assignDefault(serverArgs, "webroot", "WebContent");
assignDefault(serverArgs, "httpPort", "" + serverPort);
assignDefault(serverArgs, "context", "");
int port = serverPort;
try {
port = Integer.parseInt(serverArgs.get("httpPort"));
} catch (NumberFormatException e) {
// keep default value for port
}
// Add help for System.out
System.out
.println("-------------------------------------------------\n"
+ "Starting Vaadin in "
+ mode
+ ".\n"
+ "Running in http://localhost:"
+ port
+ "\n-------------------------------------------------\n");
final Server server = new Server();
final Connector connector = new SelectChannelConnector();
connector.setPort(port);
if (serverArgs.containsKey("withssl")) {
final SslSocketConnector sslConnector = new SslSocketConnector();
sslConnector.setPort(8444);
sslConnector.setTruststore(KEYSTORE);
sslConnector.setTrustPassword("password");
sslConnector.setKeystore(KEYSTORE);
sslConnector.setKeyPassword("password");
sslConnector.setPassword("password");
server.setConnectors(new Connector[] { connector, sslConnector });
} else {
server.setConnectors(new Connector[] { connector });
}
final WebAppContext webappcontext = new WebAppContext();
String path = DevelopmentServerLauncher.class.getPackage().getName()
.replace(".", File.separator);
webappcontext.setDefaultsDescriptor(path + File.separator
+ "jetty-webdefault.xml");
webappcontext.setContextPath(serverArgs.get("context"));
webappcontext.setWar(serverArgs.get("webroot"));
server.setHandler(webappcontext);
try {
server.start();
if (serverArgs.containsKey("shutdownPort")) {
int shutdownPort = Integer.parseInt(serverArgs
.get("shutdownPort"));
final ServerSocket serverSocket = new ServerSocket(
shutdownPort, 1, InetAddress.getByName("127.0.0.1"));
new Thread() {
@Override
public void run() {
try {
System.out
.println("Waiting for shutdown signal on port "
+ serverSocket.getLocalPort());
// Start waiting for a close signal
Socket accept = serverSocket.accept();
// First stop listening to the port
serverSocket.close();
// Then stop the jetty server
server.stop();
// Send a byte to tell the other process that it can
// start jetty
OutputStream outputStream = accept
.getOutputStream();
outputStream.write(0);
outputStream.flush();
// Finally close the socket
accept.close();
} catch (Exception e) {
e.printStackTrace();
}
};
}.start();
}
} catch (Exception e) {
server.stop();
throw e;
}
return "http://localhost:" + port + serverArgs.get("context");
}
/**
* Assign default value for given key.
*
* @param map
* @param key
* @param value
*/
private static void assignDefault(Map<String, String> map, String key,
String value) {
if (!map.containsKey(key)) {
map.put(key, value);
}
}
/**
* Parse all command line arguments into a map.
*
* Arguments format "key=value" are put into map.
*
* @param args
* @return map of arguments key value pairs.
*/
protected static Map<String, String> parseArguments(String[] args) {
final Map<String, String> map = new HashMap<String, String>();
for (int i = 0; i < args.length; i++) {
final int d = args[i].indexOf("=");
if (d > 0 && d < args[i].length() && args[i].startsWith("--")) {
final String name = args[i].substring(2, d);
final String value = args[i].substring(d + 1);
map.put(name, value);
}
}
return map;
}
}
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