Implement cli parameter basis

pom.xml

@@ -144,6 +144,11 @@
             <artifactId>jackson-databind</artifactId>
             <version>2.13.1</version>
         </dependency>
+        <dependency>
+            <groupId>commons-cli</groupId>
+            <artifactId>commons-cli</artifactId>
+            <version>1.5.0</version>
+        </dependency>
         <!-- endregion -->
         <!-- region unit-tests -->
         <dependency>

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/AttributeUpdaterKernel.java

@@ -21,9 +21,9 @@ public class AttributeUpdaterKernel {
 
     @SneakyThrows
     public void execute(String path) {
-        List<AttributeConfig> configPattern = ConfigUtil.loadConfig();
+        List<AttributeConfig> configPattern = ConfigUtil.getInstance().getAttributeConfig();
         List<File> allValidPaths = collector.loadFiles(path);
-        ExecutorService executor = Executors.newFixedThreadPool(ConfigUtil.getThreadCount());
+        ExecutorService executor = Executors.newFixedThreadPool(ConfigUtil.getInstance().getThreadCount());
 
         long beforeTimer = System.currentTimeMillis();
         if(allValidPaths != null && configPattern != null){

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/Main.java

@@ -1,22 +1,24 @@
 package at.pcgamingfreaks.mkvaudiosubtitlechanger;
 
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.util.ConfigUtil;
 import at.pcgamingfreaks.yaml.YAML;
 import at.pcgamingfreaks.yaml.YamlInvalidContentException;
 import at.pcgamingfreaks.yaml.YamlKeyNotFoundException;
 import lombok.extern.log4j.Log4j2;
+import org.apache.commons.cli.*;
 
 import java.io.File;
 import java.io.IOException;
 
+import static java.lang.Integer.parseInt;
+
 @Log4j2
 public class Main {
     public static void main(String[] args) {
-        if(checkIfMKVToolNixIsValid()){
+        System.out.println(String.join(", ", args));
+        initConfig(args);
         AttributeUpdaterKernel kernel = new AttributeUpdaterKernel();
-            kernel.execute(args[0]);
+        kernel.execute(ConfigUtil.getInstance().getLibraryPath());
-        }else{
-            log.error("MKVToolNix was not found! Please recheck path");
-        }
     }
 
     private static boolean checkIfMKVToolNixIsValid() {
@@ -37,4 +39,28 @@ public class Main {
         }
         return new File(MKVToolProperties.getInstance().getMkvmergePath()).isFile() && new File(MKVToolProperties.getInstance().getMkvpropeditPath()).isFile();
     }
+
+    private static void initConfig(String[] args) {
+        Options options = new Options();
+        options.addOption("h", "help", false, "\"for help this is\" - Yoda");
+        options.addRequiredOption("l", "library", true, "path to library");
+        options.addOption("c", "config", false, "path to config");
+        options.addOption("t", "threads", true, "thread count");
+
+        CommandLineParser parser = new DefaultParser();
+        HelpFormatter formatter = new HelpFormatter();
+        try {
+            CommandLine cmd = parser.parse(options, args);
+
+            ConfigUtil configUtil = ConfigUtil.getInstance();
+            configUtil.loadConfig(cmd.getOptionValue("config", "config.yaml")); // use cmd input
+            configUtil.setLibraryPath(cmd.getOptionValue("library"));
+            if (cmd.hasOption("threads")) configUtil.setThreadCount(parseInt(cmd.getOptionValue("threads")));
+            configUtil.isValid();
+        } catch (ParseException e) {
+            log.error(e);
+            formatter.printHelp("java -jar MKVAudioSubtitlesChanger.jar -p <path_to_library>", options);
+            System.exit(1);
+        }
+    }
 }

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/config/AttributeConfig.java

@@ -4,6 +4,7 @@ import lombok.Getter;
 import lombok.extern.log4j.Log4j2;
 
 import java.util.List;
+import java.util.stream.Collectors;
 
 @Log4j2
 @Getter
@@ -15,4 +16,13 @@ public class AttributeConfig {
         this.audio = audio;
         this.subtitle = subtitle;
     }
+
+    @Override
+    public String toString() {
+        final StringBuffer sb = new StringBuffer("AttributeConfig{");
+        sb.append("audio=").append(String.join(", ", audio));
+        sb.append(", subtitle=").append(String.join(", ", subtitle));
+        sb.append('}');
+        return sb.toString();
+    }
 }

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/intimpl/MkvFileCollector.java

@@ -1,7 +1,8 @@
 package at.pcgamingfreaks.mkvaudiosubtitlechanger.intimpl;
 
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.MKVToolProperties;
 import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileAttribute;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.util.ConfigUtil;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.util.MkvToolNix;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.extern.log4j.Log4j2;
 
@@ -59,9 +60,9 @@ public class MkvFileCollector implements FileCollector {
         try {
             String command = "";
             if (System.getProperty("os.name").toLowerCase().contains("windows")) {
-                command = "\"" + MKVToolProperties.getInstance().getMkvmergePath() + "\"";
+                command = "\"" + ConfigUtil.getInstance().getPathFor(MkvToolNix.MKV_MERGER) + "\"";
             } else {
-                command = MKVToolProperties.getInstance().getMkvmergePath();
+                command = ConfigUtil.getInstance().getPathFor(MkvToolNix.MKV_MERGER);
             }
             String[] array = new String[]{
                     command,

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/util/ConfigUtil.java

@@ -4,6 +4,9 @@ import at.pcgamingfreaks.mkvaudiosubtitlechanger.config.AttributeConfig;
 import at.pcgamingfreaks.yaml.YAML;
 import at.pcgamingfreaks.yaml.YamlInvalidContentException;
 import at.pcgamingfreaks.yaml.YamlKeyNotFoundException;
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.Setter;
 import lombok.extern.log4j.Log4j2;
 
 import java.io.File;
@@ -12,40 +15,87 @@ import java.util.List;
 import java.util.stream.Collectors;
 
 @Log4j2
+@Getter
+@Setter
 public class ConfigUtil {
-    public static List<AttributeConfig> loadConfig() {
+    @Getter(AccessLevel.NONE)
-        try(YAML yaml = new YAML(new File("config.yaml"))){
+    @Setter(AccessLevel.NONE)
-            return yaml.getKeysFiltered(".*audio.*").stream()
+    private static ConfigUtil configUtil = null;
+
+    private List<AttributeConfig> attributeConfig;
+    private int threadCount;
+    @Getter(AccessLevel.NONE)
+    private String mkvtoolnixPath;
+    private String libraryPath;
+
+    public static ConfigUtil getInstance() {
+        if(configUtil == null) {
+            configUtil = new ConfigUtil();
+        }
+        return configUtil;
+    }
+
+    public void isValid() throws RuntimeException{
+        System.out.println(attributeConfig);
+        System.out.println(threadCount);
+        System.out.println(mkvtoolnixPath);
+        System.out.println(libraryPath);
+        if (attributeConfig != null && !attributeConfig.isEmpty()
+                && threadCount > 0 && !mkvtoolnixPath.isEmpty()
+                && new File(getPathFor(MkvToolNix.MKV_MERGER)).isFile()
+                && new File(getPathFor(MkvToolNix.MKV_PROP_EDIT)).isFile()) {
+            return;
+        }
+        throw new RuntimeException("Invalid configuration");
+    }
+
+    public void loadConfig(String configPath) {
+        try(YAML config = new YAML(new File(configPath))){
+            setAttributeConfig(loadAttributeConfig(config));
+            setThreadCount(loadThreadCount(config));
+            setMkvtoolnixPath(loadMkvToolNixPath(config));
+        }catch(YamlInvalidContentException | YamlKeyNotFoundException | IOException e){
+            log.fatal("Config could not be loaded: {}", e.getMessage());
+        }
+    }
+
+    private List<AttributeConfig> loadAttributeConfig(YAML config) {
+        return config.getKeysFiltered(".*audio.*").stream()
                 .sorted()
                 .map(elem -> elem.replace(".audio", ""))
-                    .map(elem -> createAttributeConfig(elem, yaml))
+                .map(elem -> createAttributeConfig(elem, config))
                 .collect(Collectors.toList());
-        }catch(YamlInvalidContentException | IOException e){
-            log.fatal("Config could not be loaded");
-            e.printStackTrace();
-        }
-        return null;
     }
 
-    private static AttributeConfig createAttributeConfig(String key, YAML yaml) {
+    private AttributeConfig createAttributeConfig(String key, YAML config) {
         try{
             return new AttributeConfig(
-                    yaml.getStringList(key + ".audio"),
+                    config.getStringList(key + ".audio"),
-                    yaml.getStringList(key + ".subtitle"));
+                    config.getStringList(key + ".subtitle"));
         }catch(YamlKeyNotFoundException e){
             e.printStackTrace();
             return null;
         }
     }
 
-    public static int getThreadCount() {
+    private int loadThreadCount(YAML config) throws YamlKeyNotFoundException{
-        try {
+        return config.isSet("threadCount")
-            return Integer.parseInt(new YAML(new File("config.yaml")).getString("threadCount"));
+                ? Integer.parseInt(config.getString("threadCount"))
-        } catch (YamlInvalidContentException | IOException e) {
+                : 1;
-            e.printStackTrace();
-        } catch (YamlKeyNotFoundException e) {
-            throw new RuntimeException(e);
     }
-        return 1;
+
+    private String loadMkvToolNixPath(YAML config) throws YamlKeyNotFoundException {
+        return config.isSet("mkvtoolnixPath") ? config.getString("mkvtoolnixPath") : defaultMkvToolNixPath();
+    }
+
+    private String defaultMkvToolNixPath() {
+        return System.getProperty("os.name").toLowerCase().contains("windows")
+                ? "C:/Program Files/MKVToolNix/"
+                : "/usr/bin/";
+    }
+
+    public String getPathFor(MkvToolNix exe) {
+        return mkvtoolnixPath.endsWith("/") ? mkvtoolnixPath + exe : mkvtoolnixPath + "/" + exe;
     }
 }
+

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/util/MkvToolNix.java

@@ -0,0 +1,17 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.util;
+
+public enum MkvToolNix {
+    MKV_MERGER("mkvmerge.exe"),
+    MKV_PROP_EDIT("mkvpropedit.exe");
+
+    private final String file;
+
+    MkvToolNix(String file) {
+        this.file = file;
+    }
+
+    @Override
+    public String toString() {
+        return file;
+    }
+}