[configuration] ConfigurationKey now has a description

src/core/lombok/ConfigurationKeys.java

@@ -306,5 +306,5 @@ public class ConfigurationKeys {
 	 * 
 	 * If set to {@code true}, no futher {@code lombok.config} files will be checked.
 	 */
-	public static final ConfigurationKey<Boolean> STOP_BUBBLING = new ConfigurationKey<Boolean>("stop-bubbling") {};
+	public static final ConfigurationKey<Boolean> STOP_BUBBLING = new ConfigurationKey<Boolean>("stop-bubbling", "Tells the configuration system if it should stop looking for other configuration files.") {};
 }

src/core/lombok/core/configuration/ConfigurationApp.java

@@ -119,19 +119,32 @@ public class ConfigurationApp extends LombokApp {
 		for (ConfigurationKey<?> key : ConfigurationKey.registeredKeys()) {
 			String keyName = key.getKeyName();
 			ConfigurationDataType type = key.getType();
+			String description = key.getDescription();
+			boolean hasDescription = description != null && !description.isEmpty();
 			if (!verbose) {
-				out.printf("# %s (%s)\n", keyName, type);
+				if (hasDescription) {
+					out.printf("%s: %s\n", keyName, description);
+				} else {
+					out.printf("%s\n", keyName);
+				}
 				continue;
 			}
-			out.printf("### Key %s type %s\n", keyName, type);
-			out.printf("#clear %s\n", keyName);
-			if (type.isList()) {
-				out.printf("#%s += %s\n", keyName, exampleValue(type));
-				out.printf("#%s -= %s\n", keyName, exampleValue(type));
-			} else {
-				out.printf("#%s = %s\n", keyName, exampleValue(type));
+			out.printf("##\n## Key : %s\n## Type: %s\n", keyName, type);
+			if (hasDescription) {
+				out.printf("##\n## %s\n", description);
 			}
-			out.println();
+			out.println("##\n## Examples:\n#");
+			out.printf("# clear %s\n", keyName);
+			if (type.isList()) {
+				out.printf("# %s += %s\n", keyName, exampleValue(type));
+				out.printf("# %s -= %s\n", keyName, exampleValue(type));
+			} else {
+				out.printf("# %s = %s\n", keyName, exampleValue(type));
+			}
+			out.println("#\n");
+		}
+		if (!verbose) {
+			out.println("\nUse --verbose for more information.");
 		}
 	}
 

src/core/lombok/core/configuration/ConfigurationKey.java

@@ -32,7 +32,7 @@ import java.util.regex.Pattern;
  * <p>
  * The recommended usage is to create a type token:
  * <pre>
- *    private static ConfigurationKey&lt;String> KEY = new ConfigurationKey&lt;String>("keyName") {}; 
+ *    private static ConfigurationKey&lt;String> KEY = new ConfigurationKey&lt;String>("keyName", "description") {};
  * </pre>
  */
 public abstract class ConfigurationKey<T> {
@@ -42,14 +42,20 @@ public abstract class ConfigurationKey<T> {
 	private static Map<String, ConfigurationKey<?>> copy;
 	
 	private final String keyName;
+	private final String description;
 	private final ConfigurationDataType type;
 	
+	@Deprecated
 	public ConfigurationKey(String keyName) {
+		this(keyName, null);
+	}
+	
+	public ConfigurationKey(String keyName, String description) {
 		this.keyName = checkName(keyName);
 		@SuppressWarnings("unchecked")
 		ConfigurationDataType type = ConfigurationDataType.toDataType((Class<? extends ConfigurationKey<?>>)getClass());
 		this.type = type;
-		
+		this.description = description;
 		registerKey(keyName, this);
 	}
 	
@@ -57,12 +63,16 @@ public abstract class ConfigurationKey<T> {
 		return keyName;
 	}
 	
+	public String getDescription() {
+		return description;
+	}
+	
 	public final ConfigurationDataType getType() {
 		return type;
 	}
 	
 	@Override public String toString() {
-		return keyName + " : " + type;
+		return keyName + " (" + type + "): " + description;
 	}
 	
 	private static String checkName(String keyName) {