Made LombokApp an abstract class and added isDebugTool.

src/core/lombok/bytecode/PostCompilerApp.java

@@ -44,7 +44,7 @@ import com.zwitserloot.cmdreader.Sequential;
 import com.zwitserloot.cmdreader.Shorthand;
 
 @ProviderFor(LombokApp.class)
-public class PostCompilerApp implements LombokApp {
+public class PostCompilerApp extends LombokApp {
 	@Override public List<String> getAppAliases() {
 		return Arrays.asList("post", "postcompile");
 	}
@@ -87,11 +87,8 @@ public class PostCompilerApp implements LombokApp {
 			return 1;
 		}
 		
-		List<File> filesToProcess = new ArrayList<File>();
-		for (String f : args.classFiles) addFiles(filesToProcess, f);
-		
 		int filesVisited = 0, filesTouched = 0;
-		for (File file : filesToProcess) {
+		for (File file : cmdArgsToFiles(args.classFiles)) {
 			if (!file.exists() || !file.isFile()) {
 				System.out.printf("Cannot find file '%s'\n", file);
 				continue;
@@ -115,7 +112,13 @@ public class PostCompilerApp implements LombokApp {
 		return filesVisited == 0 ? 1 : 0;
 	}
 	
-	private void addFiles(List<File> filesToProcess, String f) {
+	static List<File> cmdArgsToFiles(List<String> fileNames) {
+		List<File> filesToProcess = new ArrayList<File>();
+		for (String f : fileNames) addFiles(filesToProcess, f);
+		return filesToProcess;
+	}
+	
+	static void addFiles(List<File> filesToProcess, String f) {
 		File file = new File(f);
 		if (file.isDirectory()) {
 			addRecursively(filesToProcess, file);
@@ -124,7 +127,7 @@ public class PostCompilerApp implements LombokApp {
 		}
 	}
 	
-	private void addRecursively(List<File> filesToProcess, File file) {
+	static void addRecursively(List<File> filesToProcess, File file) {
 		for (File f : file.listFiles()) {
 			if (f.isDirectory()) addRecursively(filesToProcess, f);
 			else if (f.getName().endsWith(".class")) filesToProcess.add(f);

src/core/lombok/core/LombokApp.java

@@ -21,6 +21,7 @@
  */
 package lombok.core;
 
+import java.util.Collections;
 import java.util.List;
 
 /**
@@ -28,25 +29,34 @@ import java.util.List;
  * 
  * @see lombok.core.Main.VersionApp
  */
-public interface LombokApp {
+public abstract class LombokApp {
 	/**
 	 * @param args The arguments; analogous to what's passed to {@code public static void main(String[] args)} methods.
 	 * @return The return value. Don't call {@code System.exit} yourself.
 	 */
-	public int runApp(List<String> args) throws Exception;
+	public abstract int runApp(List<String> args) throws Exception;
 	
 	/**
 	 * @return Your app name. For example {@code delombok}.
 	 */
-	public String getAppName();
+	public abstract String getAppName();
 	
 	/**
 	 * @return Description of this app, for the command line.
 	 */
-	public String getAppDescription();
+	public abstract String getAppDescription();
 	
 	/**
 	 * @return When lombok.jar is executed with any of these strings as first argument, your app will be started.
 	 */
-	public List<String> getAppAliases();
+	public List<String> getAppAliases() {
+		return Collections.emptyList();
+	}
+	
+	/**
+	 * @return {@code true} if this app is an internal debugging tool and won't be listed by the default help message.
+	 */
+	public boolean isDebugTool() {
+		return false;
+	}
 }

src/core/lombok/core/Main.java

@@ -44,7 +44,7 @@ public class Main {
 	}
 	
 	@ProviderFor(LombokApp.class)
-	public static class VersionApp implements LombokApp {
+	public static class VersionApp extends LombokApp {
 		@Override public String getAppName() {
 			return "version";
 		}
@@ -54,7 +54,7 @@ public class Main {
 		}
 		
 		@Override public List<String> getAppAliases() {
-			return Arrays.asList("version", "-version", "--version");
+			return Arrays.asList("-version", "--version");
 		}
 		
 		@Override public int runApp(List<String> args) {
@@ -64,7 +64,7 @@ public class Main {
 	}
 	
 	@ProviderFor(LombokApp.class)
-	public static class LicenseApp implements LombokApp {
+	public static class LicenseApp extends LombokApp {
 		@Override public String getAppName() {
 			return "license";
 		}
@@ -74,7 +74,7 @@ public class Main {
 		}
 		
 		@Override public List<String> getAppAliases() {
-			return Arrays.asList("license", "licence", "copyright", "copyleft", "gpl");
+			return Arrays.asList("licence", "copyright", "copyleft", "gpl");
 		}
 		
 		@Override public int runApp(List<String> args) {

src/core/lombok/core/runtimeDependencies/CreateLombokRuntimeApp.java

@@ -49,7 +49,7 @@ import com.zwitserloot.cmdreader.Requires;
 import com.zwitserloot.cmdreader.Shorthand;
 
 @ProviderFor(LombokApp.class)
-public class CreateLombokRuntimeApp implements LombokApp {
+public class CreateLombokRuntimeApp extends LombokApp {
 	private List<RuntimeDependencyInfo> infoObjects;
 	
 	@Override public String getAppName() {
@@ -64,7 +64,7 @@ public class CreateLombokRuntimeApp implements LombokApp {
 	}
 	
 	@Override public List<String> getAppAliases() {
-		return Arrays.asList("createRuntime", "runtime");
+		return Arrays.asList("runtime");
 	}
 	
 	private static class CmdArgs {

src/delombok/lombok/delombok/DelombokApp.java

@@ -40,7 +40,7 @@ import lombok.core.LombokApp;
 import org.mangosdk.spi.ProviderFor;
 
 @ProviderFor(LombokApp.class)
-public class DelombokApp implements LombokApp {
+public class DelombokApp extends LombokApp {
 	@Override public int runApp(List<String> args) throws Exception {
 		try {
 			Class.forName("com.sun.tools.javac.main.JavaCompiler");
@@ -245,7 +245,7 @@ public class DelombokApp implements LombokApp {
 	}
 	
 	@Override public List<String> getAppAliases() {
-		return Arrays.asList("unlombok", "delombok");
+		return Arrays.asList("unlombok");
 	}
 	
 	@Override public String getAppDescription() {

src/installer/lombok/installer/Installer.java

@@ -111,7 +111,7 @@ public class Installer {
 	}
 	
 	@ProviderFor(LombokApp.class)
-	public static class GraphicalInstallerApp implements LombokApp {
+	public static class GraphicalInstallerApp extends LombokApp {
 		@Override public String getAppName() {
 			return "installer";
 		}
@@ -121,7 +121,7 @@ public class Installer {
 		}
 		
 		@Override public List<String> getAppAliases() {
-			return Arrays.asList("installer", "");
+			return Arrays.asList("");
 		}
 		
 		@Override public int runApp(List<String> args) throws Exception {
@@ -130,7 +130,7 @@ public class Installer {
 	}
 	
 	@ProviderFor(LombokApp.class)
-	public static class CommandLineInstallerApp implements LombokApp {
+	public static class CommandLineInstallerApp extends LombokApp {
 		@Override public String getAppName() {
 			return "install";
 		}
@@ -139,17 +139,13 @@ public class Installer {
 			return "Runs the 'handsfree' command line scriptable installer.";
 		}
 		
-		@Override public List<String> getAppAliases() {
-			return Arrays.asList("install");
-		}
-		
 		@Override public int runApp(List<String> args) throws Exception {
 			return cliInstaller(false, args);
 		}
 	}
 	
 	@ProviderFor(LombokApp.class)
-	public static class CommandLineUninstallerApp implements LombokApp {
+	public static class CommandLineUninstallerApp extends LombokApp {
 		@Override public String getAppName() {
 			return "uninstall";
 		}
@@ -158,10 +154,6 @@ public class Installer {
 			return "Runs the 'handsfree' command line scriptable uninstaller.";
 		}
 		
-		@Override public List<String> getAppAliases() {
-			return Arrays.asList("uninstall");
-		}
-		
 		@Override public int runApp(List<String> args) throws Exception {
 			return cliInstaller(true, args);
 		}