source: trunk/EventBenchConsole/src/de/ugoe/cs/eventbench/Runner.java

package de.ugoe.cs.eventbench;

import java.io.IOException;
import java.util.List;

import joptsimple.OptionException;
import joptsimple.OptionParser;
import joptsimple.OptionSet;
import joptsimple.OptionSpec;
import de.ugoe.cs.eventbench.log4j.Log4JLogger;
import de.ugoe.cs.eventbench.swt.MainWindow;
import de.ugoe.cs.util.console.CommandExecuter;
import de.ugoe.cs.util.console.Console;
import de.ugoe.cs.util.console.TextConsole;

/**
 * <p>
 * Start-up class of the application.
 * </p>
 * <p>
 * It sets up and starts the {@link Console}.
 * </p>
 * 
 * @author Steffen Herbold
 * @version 1.0
 */
public class Runner {

        public enum UITYPE {
                text, swt
        };
        
        public enum LOG4JTYPE {
                enable, disable
        }

        /**
         * <p>
         * Main method of the application.
         * </p>
         * 
         * @param args
         *            if parameters are defined, they are interpreted as commands
         *            for the {@link Console} and executed before the user can use
         *            the console; can be used to perform batch operations
         */
        public static void main(String[] args) {
                CommandExecuter.getInstance().addCommandPackage(
                                "de.ugoe.cs.eventbench.commands");
                CommandExecuter.getInstance().addCommandPackage(
                                "de.ugoe.cs.eventbench.windows.commands");
                CommandExecuter.getInstance().addCommandPackage(
                                "de.ugoe.cs.eventbench.web.commands");
                CommandExecuter.getInstance().addCommandPackage(
                                "de.ugoe.cs.eventbench.efg.commands");
                CommandExecuter.getInstance().addCommandPackage(
                                "de.ugoe.cs.eventbench.jfc.commands");
                //new Log4JLogger();

                OptionParser parser = new OptionParser();
                OptionSpec<LOG4JTYPE> log4j = parser.accepts("log4j", "Allowed values: enable, disable").withRequiredArg()
                                .ofType(LOG4JTYPE.class).defaultsTo(LOG4JTYPE.enable);
                OptionSpec<UITYPE> ui = parser.accepts("ui", "Allowed values: text, swt").withRequiredArg()
                                .ofType(UITYPE.class).defaultsTo(UITYPE.text);
                OptionSpec<LOG4JTYPE> trace = parser.accepts("trace", "Allowed values: enable, disable").withRequiredArg().ofType(LOG4JTYPE.class).defaultsTo(LOG4JTYPE.enable);
                OptionSet options = parser.parse(args);

                List<String> startupCommands = options.nonOptionArguments();
                try {
                        switch (options.valueOf(log4j)) {
                        case enable:
                                new Log4JLogger();
                                break;
                        case disable:
                                // do nothing
                                break;
                        default:
                                throw new AssertionError("reached source code that should be unreachable");
                        }
                        
                        switch (options.valueOf(ui)) {
                        case text:
                                TextConsole textConsole = new TextConsole();
                                if( options.valueOf(trace)==LOG4JTYPE.disable ) {
                                        textConsole.setDebug(false);
                                }
                                for (String command : startupCommands) {
                                        CommandExecuter.getInstance().exec(command);
                                }
                                textConsole.run(true);
                                break;
                        case swt:
                                MainWindow mainWindow = new MainWindow(startupCommands);
                                mainWindow.open();
                                break;
                        default:
                                throw new AssertionError("reached source code that should be unreachable");
                        }
                } catch (OptionException e) {
                        System.err.println("Invalid Parameters: " + e.getMessage());
                        try {
                                parser.printHelpOn(System.out);
                        } catch (IOException e1) {
                                // ignore exception.
                        }
                }
        }

}