feat(cli): add decompilation progress

jadx-cli/src/main/java/jadx/cli/JadxCLI.java

@@ -42,7 +42,14 @@ public class JadxCLI {
 		jadxArgs.setCodeWriterProvider(SimpleCodeWriter::new);
 		try (JadxDecompiler jadx = new JadxDecompiler(jadxArgs)) {
 			jadx.load();
-			jadx.save();
+			if (LogHelper.getLogLevel() == LogHelper.LogLevelEnum.QUIET) {
+				jadx.save();
+			} else {
+				jadx.save(500, (done, total) -> {
+					int progress = (int) (done * 100.0 / total);
+					System.out.printf("INFO  - progress: %d of %d (%d%%)\r", done, total, progress);
+				});
+			}
 			int errorsCount = jadx.getErrorsCount();
 			if (errorsCount != 0) {
 				jadx.printErrorsReport();

jadx-cli/src/main/java/jadx/cli/LogHelper.java

@@ -1,5 +1,6 @@
 package jadx.cli;
 
+import org.jetbrains.annotations.Nullable;
 import org.slf4j.LoggerFactory;
 
 import com.beust.jcommander.IStringConverter;
@@ -31,6 +32,8 @@ public class LogHelper {
 		}
 	}
 
+	private static LogLevelEnum logLevelValue;
+
 	public static void setLogLevelFromArgs(JadxCLIArgs args) {
 		if (isCustomLogConfig()) {
 			return;
@@ -46,6 +49,8 @@ public class LogHelper {
 	}
 
 	public static void applyLogLevel(LogLevelEnum logLevel) {
+		logLevelValue = logLevel;
+
 		Logger rootLogger = (Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
 		rootLogger.setLevel(logLevel.getLevel());
 
@@ -56,6 +61,11 @@ public class LogHelper {
 		}
 	}
 
+	@Nullable
+	public static LogLevelEnum getLogLevel() {
+		return logLevelValue;
+	}
+
 	private static void setLevelForClass(Class<?> cls, Level level) {
 		((Logger) LoggerFactory.getLogger(cls)).setLevel(level);
 	}

jadx-core/src/main/java/jadx/api/JadxDecompiler.java

@@ -15,6 +15,7 @@ import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
+import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 import java.util.function.Predicate;
 import java.util.stream.Collectors;
@@ -162,6 +163,27 @@ public final class JadxDecompiler implements Closeable {
 		save(!args.isSkipSources(), !args.isSkipResources());
 	}
 
+	public interface ProgressListener {
+		void progress(long done, long total);
+	}
+
+	@SuppressWarnings("BusyWait")
+	public void save(int intervalInMillis, ProgressListener listener) {
+		ThreadPoolExecutor ex = (ThreadPoolExecutor) getSaveExecutor();
+		ex.shutdown();
+		try {
+			long total = ex.getTaskCount();
+			while (ex.isTerminating()) {
+				long done = ex.getCompletedTaskCount();
+				listener.progress(done, total);
+				Thread.sleep(intervalInMillis);
+			}
+		} catch (InterruptedException e) {
+			LOG.error("Save interrupted", e);
+			Thread.currentThread().interrupt();
+		}
+	}
+
 	public void saveSources() {
 		save(true, false);
 	}

jadx-gui/src/main/java/jadx/gui/JadxWrapper.java

@@ -6,7 +6,6 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
-import java.util.concurrent.ThreadPoolExecutor;
 import java.util.stream.Collectors;
 
 import javax.swing.ProgressMonitor;
@@ -66,24 +65,12 @@ public class JadxWrapper {
 
 	public void saveAll(File dir, ProgressMonitor progressMonitor) {
 		Runnable save = () -> {
-			try {
-				decompiler.getArgs().setRootDir(dir);
-				ThreadPoolExecutor ex = (ThreadPoolExecutor) decompiler.getSaveExecutor();
-				ex.shutdown();
-				while (ex.isTerminating()) {
-					long total = ex.getTaskCount();
-					long done = ex.getCompletedTaskCount();
-					progressMonitor.setProgress((int) (done * 100.0 / total));
-					Thread.sleep(500);
-				}
-				progressMonitor.close();
-				LOG.info("decompilation complete, freeing memory ...");
-				decompiler.getClasses().forEach(JavaClass::unload);
-				LOG.info("done");
-			} catch (InterruptedException e) {
-				LOG.error("Save interrupted", e);
-				Thread.currentThread().interrupt();
-			}
+			decompiler.getArgs().setRootDir(dir);
+			decompiler.save(500, (done, total) -> progressMonitor.setProgress((int) (done * 100.0 / total)));
+			progressMonitor.close();
+			LOG.info("decompilation complete, freeing memory ...");
+			decompiler.getClasses().forEach(JavaClass::unload);
+			LOG.info("done");
 		};
 		new Thread(save).start();
 	}