From fbdfd135da108be90e6cdd82b47e24d906e18a29 Mon Sep 17 00:00:00 2001
From: Skylot <skylot@gmail.com>
Date: Mon, 27 Feb 2023 19:28:24 +0000
Subject: [PATCH] fix(cli): use common enum args parser (#1787)

---
 .../src/main/java/jadx/cli/JadxCLIArgs.java   | 91 +++++++++----------
 .../src/main/java/jadx/cli/LogHelper.java     | 16 ----
 2 files changed, 42 insertions(+), 65 deletions(-)

diff --git a/jadx-cli/src/main/java/jadx/cli/JadxCLIArgs.java b/jadx-cli/src/main/java/jadx/cli/JadxCLIArgs.java
index 4d6152044..d89cb2eab 100644
--- a/jadx-cli/src/main/java/jadx/cli/JadxCLIArgs.java
+++ b/jadx-cli/src/main/java/jadx/cli/JadxCLIArgs.java
@@ -7,6 +7,8 @@ import java.util.List;
 import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
+import java.util.function.Function;
+import java.util.function.Supplier;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
@@ -187,7 +189,7 @@ public class JadxCLIArgs {
 	@Parameter(
 			names = { "--log-level" },
 			description = "set log level, values: quiet, progress, error, warn, info, debug",
-			converter = LogHelper.LogLevelConverter.class
+			converter = LogLevelConverter.class
 	)
 	protected LogHelper.LogLevelEnum logLevel = LogHelper.LogLevelEnum.PROGRESS;
 
@@ -487,67 +489,58 @@ public class JadxCLIArgs {
 		}
 	}
 
-	public static class CommentsLevelConverter implements IStringConverter<CommentsLevel> {
-		@Override
-		public CommentsLevel convert(String value) {
-			try {
-				return CommentsLevel.valueOf(stringAsEnumName(value));
-			} catch (Exception e) {
-				throw new IllegalArgumentException(
-						'\'' + value + "' is unknown comments level, possible values are: "
-								+ JadxCLIArgs.enumValuesString(CommentsLevel.values()));
-			}
+	public static class CommentsLevelConverter extends BaseEnumConverter<CommentsLevel> {
+		public CommentsLevelConverter() {
+			super(CommentsLevel::valueOf, CommentsLevel::values);
 		}
 	}
 
-	public static class UseKotlinMethodsForVarNamesConverter implements IStringConverter<UseKotlinMethodsForVarNames> {
-		@Override
-		public UseKotlinMethodsForVarNames convert(String value) {
-			try {
-				return UseKotlinMethodsForVarNames.valueOf(stringAsEnumName(value));
-			} catch (Exception e) {
-				throw new IllegalArgumentException(
-						'\'' + value + "' is unknown, possible values are: "
-								+ JadxCLIArgs.enumValuesString(CommentsLevel.values()));
-			}
+	public static class UseKotlinMethodsForVarNamesConverter extends BaseEnumConverter<UseKotlinMethodsForVarNames> {
+		public UseKotlinMethodsForVarNamesConverter() {
+			super(UseKotlinMethodsForVarNames::valueOf, UseKotlinMethodsForVarNames::values);
 		}
 	}
 
-	public static class DeobfuscationMapFileModeConverter implements IStringConverter<DeobfuscationMapFileMode> {
-		@Override
-		public DeobfuscationMapFileMode convert(String value) {
-			try {
-				return DeobfuscationMapFileMode.valueOf(stringAsEnumName(value));
-			} catch (Exception e) {
-				throw new IllegalArgumentException(
-						'\'' + value + "' is unknown, possible values are: "
-								+ JadxCLIArgs.enumValuesString(DeobfuscationMapFileMode.values()));
-			}
+	public static class DeobfuscationMapFileModeConverter extends BaseEnumConverter<DeobfuscationMapFileMode> {
+		public DeobfuscationMapFileModeConverter() {
+			super(DeobfuscationMapFileMode::valueOf, DeobfuscationMapFileMode::values);
 		}
 	}
 
-	public static class ResourceNameSourceConverter implements IStringConverter<ResourceNameSource> {
-		@Override
-		public ResourceNameSource convert(String value) {
-			try {
-				return ResourceNameSource.valueOf(stringAsEnumName(value));
-			} catch (Exception e) {
-				throw new IllegalArgumentException(
-						'\'' + value + "' is unknown, possible values are: "
-								+ JadxCLIArgs.enumValuesString(ResourceNameSource.values()));
-			}
+	public static class ResourceNameSourceConverter extends BaseEnumConverter<ResourceNameSource> {
+		public ResourceNameSourceConverter() {
+			super(ResourceNameSource::valueOf, ResourceNameSource::values);
 		}
 	}
 
-	public static class DecompilationModeConverter implements IStringConverter<DecompilationMode> {
+	public static class DecompilationModeConverter extends BaseEnumConverter<DecompilationMode> {
+		public DecompilationModeConverter() {
+			super(DecompilationMode::valueOf, DecompilationMode::values);
+		}
+	}
+
+	public static class LogLevelConverter extends BaseEnumConverter<LogHelper.LogLevelEnum> {
+		public LogLevelConverter() {
+			super(LogHelper.LogLevelEnum::valueOf, LogHelper.LogLevelEnum::values);
+		}
+	}
+
+	public abstract static class BaseEnumConverter<E extends Enum<E>> implements IStringConverter<E> {
+		private final Function<String, E> parse;
+		private final Supplier<E[]> values;
+
+		public BaseEnumConverter(Function<String, E> parse, Supplier<E[]> values) {
+			this.parse = parse;
+			this.values = values;
+		}
+
 		@Override
-		public DecompilationMode convert(String value) {
+		public E convert(String value) {
 			try {
-				return DecompilationMode.valueOf(stringAsEnumName(value));
+				return parse.apply(stringAsEnumName(value));
 			} catch (Exception e) {
 				throw new IllegalArgumentException(
-						'\'' + value + "' is unknown, possible values are: "
-								+ JadxCLIArgs.enumValuesString(DecompilationMode.values()));
+						'\'' + value + "' is unknown, possible values are: " + enumValuesString(values.get()));
 			}
 		}
 	}
@@ -558,8 +551,8 @@ public class JadxCLIArgs {
 				.collect(Collectors.joining(", "));
 	}
 
-	private static String stringAsEnumName(String raw) {
-        // inverse of enumValuesString conversion
-		return value.replace('-', '_').toUpperCase();
+	private static String stringAsEnumName(String value) {
+		// inverse of enumValuesString conversion
+		return value.replace('-', '_').toUpperCase(Locale.ROOT);
 	}
 }
diff --git a/jadx-cli/src/main/java/jadx/cli/LogHelper.java b/jadx-cli/src/main/java/jadx/cli/LogHelper.java
index 6ab9b149d..44afa170f 100644
--- a/jadx-cli/src/main/java/jadx/cli/LogHelper.java
+++ b/jadx-cli/src/main/java/jadx/cli/LogHelper.java
@@ -4,8 +4,6 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.slf4j.LoggerFactory;
 
-import com.beust.jcommander.IStringConverter;
-
 import ch.qos.logback.classic.Level;
 import ch.qos.logback.classic.Logger;
 
@@ -119,18 +117,4 @@ public class LogHelper {
 		}
 		return false;
 	}
-
-	public static class LogLevelConverter implements IStringConverter<LogLevelEnum> {
-
-		@Override
-		public LogLevelEnum convert(String value) {
-			try {
-				return LogLevelEnum.valueOf(value.toUpperCase());
-			} catch (Exception e) {
-				throw new IllegalArgumentException(
-						'\'' + value + "' is unknown log level, possible values are "
-								+ JadxCLIArgs.enumValuesString(LogLevelEnum.values()));
-			}
-		}
-	}
 }