Add property to include/exclude files by pattern

README.md

@@ -20,10 +20,12 @@ Opening terminal / cmd in the directory of the jar and the config file and execu
 `java -jar mkvaudiosubtitleschanger.jar -l [path to mkv or dir with mkv]`
 
 ### Additional arameters
+These properties overwrite already existing values in the config file.
 ```properties
  -c,--config                      path to config
  -e,--exclude-directories <arg>   Directories to exclude
  -h,--help                        "for help this is" - Yoda
+ -i,--include-pattern <arg>       Include files matching pattern
  -k,--forcedKeywords <arg>        Additional keywords to identify forced tracks"
  -l,--library <arg>               path to library
  -s,--safe-mode                   Test run (no files will be changes)

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

@@ -41,6 +41,9 @@ public class Main {
                 config.getForcedKeywords().addAll(List.of(cmd.getOptionValues(FORCED_KEYWORDS.prop())));
             if (cmd.hasOption(EXCLUDE_DIRECTORY.prop()))
                 config.getExcludedDirectories().addAll(List.of(cmd.getOptionValues(EXCLUDE_DIRECTORY.prop())));
+            if (cmd.hasOption(INCLUDE_PATTERN.prop())) {
+                config.setIncludePattern(Config.compilePattern(cmd.getOptionValue(INCLUDE_PATTERN.prop()), INCLUDE_PATTERN));
+            }
             config.isValid();
         } catch (ParseException e) {
             log.error(e);
@@ -58,6 +61,7 @@ public class Main {
         options.addOption(optionOf(SAFE_MODE, "s", false));
         options.addOption(optionOf(FORCED_KEYWORDS, "k", Option.UNLIMITED_VALUES, false));
         options.addOption(optionOf(EXCLUDE_DIRECTORY, "e", Option.UNLIMITED_VALUES, false));
+        options.addOption(optionOf(INCLUDE_PATTERN, "i", true));
         return options;
     }
 }

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

@@ -15,9 +15,11 @@ import java.io.File;
 import java.io.IOException;
 import java.util.*;
 import java.util.function.Function;
+import java.util.regex.Pattern;
+import java.util.regex.PatternSyntaxException;
 import java.util.stream.Collectors;
 
-import static at.pcgamingfreaks.mkvaudiosubtitlechanger.model.ConfigProperty.MKV_TOOL_NIX;
+import static at.pcgamingfreaks.mkvaudiosubtitlechanger.model.ConfigProperty.*;
 
 @Log4j2
 @Getter
@@ -31,6 +33,7 @@ public class Config {
     private int threadCount;
     private Set<String> forcedKeywords = new HashSet<>(Arrays.asList("forced", "signs"));
     private Set<String> excludedDirectories = new HashSet<>();
+    private Pattern includePattern;
     @Getter(AccessLevel.NONE)
     private String mkvtoolnixPath;
     private String libraryPath;
@@ -75,6 +78,7 @@ public class Config {
             setWindows(System.getProperty("os.name").toLowerCase().contains("windows"));
             getForcedKeywords().addAll(loadForcedKeywords(config));
             getExcludedDirectories().addAll(loadExcludeDirectories(config));
+            loadIncludePattern(config);
         } catch (YamlInvalidContentException | YamlKeyNotFoundException | IOException e) {
             log.fatal("Config could not be loaded: {}", e.getMessage());
         }
@@ -105,6 +109,23 @@ public class Config {
         return config.getStringList(ConfigProperty.EXCLUDE_DIRECTORY.prop(), new ArrayList<>());
     }
 
+    private void loadIncludePattern(YAML config) throws  YamlKeyNotFoundException {
+        if (config.isSet(INCLUDE_PATTERN.prop())) {
+            includePattern = compilePattern(config.getString(INCLUDE_PATTERN.prop()), INCLUDE_PATTERN);
+        } else {
+            includePattern = Pattern.compile(".*");
+        }
+    }
+
+    public static Pattern compilePattern(String pattern, ConfigProperty origin) {
+        try {
+            return Pattern.compile(pattern);
+        } catch (PatternSyntaxException e) {
+            log.error("{} is not a valid regex pattern!", origin.prop());
+            throw new RuntimeException(String.format("%s is not a valid regex pattern!%n", origin.prop()));
+        }
+    }
+
     private String loadMkvToolNixPath(YAML config) throws YamlKeyNotFoundException {
         return config.isSet(MKV_TOOL_NIX.prop())
                 ? config.getString(MKV_TOOL_NIX.prop())

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

@@ -1,5 +1,6 @@
 package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl;
 
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.config.Config;
 import lombok.extern.log4j.Log4j2;
 
 import java.io.File;
@@ -28,6 +29,7 @@ public class MkvFileCollector implements FileCollector {
                         .filter(Files::isRegularFile)
                         .map(Path::toFile)
                         .filter(f -> f.getAbsolutePath().endsWith(".mkv"))
+                        .filter(f -> Config.getInstance().getIncludePattern().matcher(f.getName()).matches())
                         .collect(Collectors.toList());
             } catch (IOException e) {
                 log.error("Couldn't find file or directory!", e);

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/ConfigProperty.java

@@ -8,7 +8,8 @@ public enum ConfigProperty {
     LIBRARY("library", "path to library"),
     SAFE_MODE("safe-mode", "Test run (no files will be changes)"),
     HELP("help", "\"for help this is\" - Yoda"),
-    EXCLUDE_DIRECTORY("exclude-directories", "Directories to exclude");
+    EXCLUDE_DIRECTORY("exclude-directories", "Directories to exclude"),
+    INCLUDE_PATTERN("include-pattern", "Include files matching pattern");
 
     private final String property;
     private final String description;