small improvements and config changes

help message sorts commands now
init command added
config is no longer created on program start
CommandLoader now checks if a config file exists if commands require it
an ICommand can now be executed without a CommandLoader instance
minor cleanups

src/main/java/ley/anvil/modpacktools/Main.java

@@ -4,6 +4,7 @@ import ley.anvil.modpacktools.command.CommandLoader;
 import ley.anvil.modpacktools.command.CommandReturn;
 import ley.anvil.modpacktools.util.Config;
 
+import java.util.Map;
 import java.util.NoSuchElementException;
 
 public class Main {
@@ -11,10 +12,10 @@ public class Main {
     public static final CommandLoader LOADER = new CommandLoader("ley.anvil.modpacktools.commands");
 
     public static void main(String[] args) {
-    	if(args.length <= 0) {
+        if(args.length <= 0) {
-		    printHelp();
+            printHelp();
-		    return;
+            return;
-	    }
+        }
 
         try {
             CommandReturn ret = LOADER.runCommand(args[0], args);
@@ -27,7 +28,11 @@ public class Main {
     }
 
     private static void printHelp() {
-	    System.out.println("Commands:");
+        System.out.println("Commands:");
-	    LOADER.getCommands().forEach((k, v) -> System.out.println(k + ": " + v.getHelpMessage()));
+        LOADER.getCommands()
+                .entrySet()
+                .stream()
+                .sorted(Map.Entry.comparingByKey())
+                .forEach(e -> System.out.println(e.getKey() + ": " + e.getValue().getHelpMessage()));
     }
 }

src/main/java/ley/anvil/modpacktools/command/CommandLoader.java

@@ -1,5 +1,6 @@
 package ley.anvil.modpacktools.command;
 
+import ley.anvil.modpacktools.Main;
 import org.reflections.Reflections;
 import org.reflections.scanners.SubTypesScanner;
 
@@ -41,9 +42,16 @@ public class CommandLoader {
      * @throws NoSuchElementException if there's no command with the given name
      */
     public CommandReturn runCommand(String name, String[] args) throws NoSuchElementException {
-        return commands.computeIfAbsent(name.toLowerCase(), x -> {
+        ICommand cmd = commands.computeIfAbsent(name.toLowerCase(), x -> {
             throw new NoSuchElementException("Command " + x + " Not Found");
-        }).execute(args);
+        });
+        return runStatic(cmd, args);
+    }
+
+    public static CommandReturn runStatic(ICommand cmd, String[] args) {
+        if(cmd.needsConfig() && !Main.CONFIG.configExists())
+            return CommandReturn.fail("Config is needed for this command yet it is not present. Run \'init\' to generate");
+        return cmd.execute(args);
     }
 
     /**

src/main/java/ley/anvil/modpacktools/commandhelper/ModInfo.java

@@ -15,13 +15,13 @@ import java.util.ArrayList;
 
 public class ModInfo {
 
-	private String name;
+	private final String name;
-	private JsonArray authors;
+	private final JsonArray authors;
 	@SerializedName("websiteUrl")
-	private String link;
+	private final String link;
 	@SerializedName("downloadCount")
-	private int downloads;
+	private final int downloads;
-	private int id;
+	private final int id;
 
 	private ModInfo(String name, JsonArray authors, String link, int downloads, int id) {
 		this.name = name;

src/main/java/ley/anvil/modpacktools/commands/Init.java

@@ -0,0 +1,37 @@
+package ley.anvil.modpacktools.commands;
+
+import ley.anvil.modpacktools.Main;
+import ley.anvil.modpacktools.command.CommandReturn;
+import ley.anvil.modpacktools.command.ICommand;
+import ley.anvil.modpacktools.command.LoadCommand;
+
+import javax.annotation.Nonnull;
+
+@LoadCommand
+public class Init implements ICommand {
+    @Override
+    public CommandReturn execute(String[] args) {
+        if(Main.CONFIG.configExists())
+            return CommandReturn.fail("Config already exists");
+        Main.CONFIG.copyConfig();
+        System.out.println("Config Created");
+        return CommandReturn.success();
+    }
+
+    @Nonnull
+    @Override
+    public String getName() {
+        return "init";
+    }
+
+    @Override
+    public boolean needsConfig() {
+        return false;
+    }
+
+    @Nonnull
+    @Override
+    public String getHelpMessage() {
+        return "initializes the MPT dev environment (currently only creates config file)";
+    }
+}

src/main/java/ley/anvil/modpacktools/util/Config.java

@@ -8,7 +8,7 @@ import java.net.URISyntaxException;
 public class Config {
 	public final File JAR_LOCATION;
 	public final File CONFIG_LOCATION;
-	public final Toml CONFIG;
+	public Toml CONFIG;
 	private final String CONFIG_NAME = "modpacktoolsconfig.toml";
 
 	public Config() {
@@ -35,28 +35,43 @@ public class Config {
 	}
 
 	/**
-	 * reads the config it it exists and otherwise copies it
+	 * reads the config it it exists
+	 *
 	 * @return the Toml object of the config file
 	 */
 	private Toml readConfig() {
-		if(CONFIG_LOCATION.exists()) {
+		if(configExists()) {
-			//parse file to json
+			//parse file to toml
 			return new Toml().read(CONFIG_LOCATION);
-		} else {
-			//copy from resources
-			try {
-				InputStream in = ClassLoader.getSystemResourceAsStream(CONFIG_NAME);
-				byte[] buff = new byte[in.available()];
-				in.read(buff);
-				OutputStream out = new FileOutputStream(CONFIG_LOCATION);
-				out.write(buff);
-				in.close();
-				out.close();
-				return readConfig();
-			} catch(IOException e) {
-				e.printStackTrace();
-			}
 		}
 		return null;
 	}
+
+	/**
+	 * Checks if the config file exists
+	 *
+	 * @return true if the config file exists
+	 */
+	public boolean configExists() {
+		return CONFIG_LOCATION.exists();
+	}
+
+	/**
+	 * Copes the Config file from the resources into the tool's folder
+	 */
+	public void copyConfig() {
+		//copy from resources
+		try {
+			InputStream in = ClassLoader.getSystemResourceAsStream(CONFIG_NAME);
+			byte[] buff = new byte[in.available()];
+			in.read(buff);
+			OutputStream out = new FileOutputStream(CONFIG_LOCATION);
+			out.write(buff);
+			in.close();
+			out.close();
+			CONFIG = readConfig();
+		} catch(IOException e) {
+			e.printStackTrace();
+		}
+	}
 }