package com.nilhcem.fakesmtp;
import java.awt.EventQueue;
import java.awt.Toolkit;
import java.net.InetAddress;
import java.net.URL;
import java.net.UnknownHostException;
import javax.swing.UIManager;
import org.apache.commons.cli.ParseException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.apple.eawt.Application;
import com.nilhcem.fakesmtp.core.ArgsHandler;
import com.nilhcem.fakesmtp.core.Configuration;
import com.nilhcem.fakesmtp.core.exception.UncaughtExceptionHandler;
import com.nilhcem.fakesmtp.gui.MainFrame;
import com.nilhcem.fakesmtp.server.SMTPServerHandler;
/**
* Entry point of the application.
*
* @author Nilhcem
* @since 1.0
*/
public final class FakeSMTP {
private static final Logger LOGGER = LoggerFactory.getLogger(FakeSMTP.class);
private FakeSMTP() {
throw new UnsupportedOperationException();
}
/**
* Checks command line arguments, sets some specific properties, and runs the main window.
* <p>
* Before opening the main window, this method will:
* </p>
* <ul>
* <li>check command line arguments, and possibly display an error dialog,</li>
* <li>set a default uncaught exception handler to intercept every uncaught exception;</li>
* <li>use a custom icon in the Mac Dock;</li>
* <li>set a property for Mac OS X to take the menu bar off the JFrame;</li>
* <li>set a property for Mac OS X to set the name of the application menu item;</li>
* <li>turn off the bold font in all components for swing default theme;</li>
* <li>use the platform look and feel.</li>
* </ul>
*
* @param args a list of command line parameters.
*/
public static void main(final String[] args) {
try {
ArgsHandler.INSTANCE.handleArgs(args);
} catch (ParseException e) {
ArgsHandler.INSTANCE.displayUsage();
return;
}
if (ArgsHandler.INSTANCE.shouldStartInBackground()) {
try {
SMTPServerHandler.INSTANCE.startServer(getPort(), getBindAddress());
} catch (NumberFormatException e) {
LOGGER.error("Error: Invalid port number", e);
} catch (UnknownHostException e) {
LOGGER.error("Error: Invalid bind address", e);
} catch (Exception e) {
LOGGER.error("Failed to auto-start server in background", e);
}
} else {
System.setProperty("mail.mime.decodetext.strict", "false");
Thread.setDefaultUncaughtExceptionHandler(new UncaughtExceptionHandler());
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
try {
URL envelopeImage = getClass().getResource(Configuration.INSTANCE.get("application.icon.path"));
if (envelopeImage != null) {
Application.getApplication().setDockIconImage(Toolkit.getDefaultToolkit().getImage(envelopeImage));
}
} catch (RuntimeException e) {
LOGGER.debug("Error: {} - This is probably because we run on a non-Mac platform and these components are not implemented", e.getMessage());
} catch (Exception e) {
LOGGER.error("", e);
}
System.setProperty("apple.laf.useScreenMenuBar", "true");
System.setProperty("com.apple.mrj.application.apple.menu.about.name", Configuration.INSTANCE.get("application.name"));
UIManager.put("swing.boldMetal", Boolean.FALSE);
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (Exception e) {
LOGGER.error("", e);
}
new MainFrame();
}
});
}
}
/**
* @return either the default port, or the custom port, if specified.
* @throws NumberFormatException if the specified port cannot be parsed to an integer.
*/
private static int getPort() throws NumberFormatException {
String portStr = ArgsHandler.INSTANCE.getPort();
if (portStr == null) {
portStr = Configuration.INSTANCE.get("smtp.default.port");
}
return Integer.parseInt(portStr);
}
/**
* @return an InetAddress representing the specified bind address, or null, if not specified
* @throws UnknownHostException if the bind address is invalid
*/
private static InetAddress getBindAddress() throws UnknownHostException {
String bindAddressStr = ArgsHandler.INSTANCE.getBindAddress();
if (bindAddressStr == null || bindAddressStr.isEmpty()) {
return null;
}
return InetAddress.getByName(bindAddressStr);
}
}