Add support for multiple library paths

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/processors/CoherentAttributeUpdater.java

@@ -7,6 +7,7 @@ import lombok.extern.slf4j.Slf4j;
 import me.tongfei.progressbar.ProgressBarBuilder;
 
 import java.io.File;
+import java.util.Arrays;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
@@ -25,7 +26,9 @@ public class CoherentAttributeUpdater extends SingleFileAttributeUpdater {
     }
 
     protected List<File> getFiles() {
-        return fileProcessor.loadDirectory(config.getLibraryPath().getPath(), config.getCoherent());
+        return Arrays.stream(config.getLibraryPaths())
+                .flatMap(path -> fileProcessor.loadDirectory(path.getPath(), config.getCoherent()).stream())
+                .toList();
     }
 
     @Override

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/processors/SingleFileAttributeUpdater.java

@@ -6,6 +6,7 @@ import lombok.extern.slf4j.Slf4j;
 import me.tongfei.progressbar.ProgressBarBuilder;
 
 import java.io.File;
+import java.util.Arrays;
 import java.util.List;
 
 @Slf4j
@@ -23,7 +24,9 @@ public class SingleFileAttributeUpdater extends AttributeUpdater {
 
     @Override
     protected List<File> getFiles() {
-        return fileProcessor.loadFiles(config.getLibraryPath().getPath());
+        return Arrays.stream(config.getLibraryPaths())
+                .flatMap(path -> fileProcessor.loadFiles(path.getPath()).stream())
+                .toList();
     }
 
     @Override

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/validation/ValidFileValidator.java

@@ -4,14 +4,15 @@ import jakarta.validation.ConstraintValidator;
 import jakarta.validation.ConstraintValidatorContext;
 
 import java.io.File;
+import java.util.Arrays;
 
-public class ValidFileValidator implements ConstraintValidator<ValidFile, File> {
+public class ValidFileValidator implements ConstraintValidator<ValidFile, File[]> {
     @Override
     public void initialize(ValidFile constraintAnnotation) {
     }
 
     @Override
-    public boolean isValid(File file, ConstraintValidatorContext context) {
+    public boolean isValid(File[] files, ConstraintValidatorContext context) {
-        return file != null && file.exists();
+        return files != null && files.length > 0 && Arrays.stream(files).allMatch(File::exists);
     }
 }

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

@@ -29,8 +29,8 @@ public class InputConfig implements CommandLine.IVersionProvider {
     CommandLine.Model.CommandSpec spec;
 
     @ValidFile(message = "does not exist")
-    @CommandLine.Parameters(description = "path to library")
+    @CommandLine.Parameters(description = "paths to library", arity = "1..*")
-    private File libraryPath;
+    private File[] libraryPaths;
 
     @Option(names = {"-a", "--attribute-config"}, arity = "1..*", converter = AttributeConfigConverter.class,
             description = "List of audio:subtitle pairs for matching defaults in order (e.g. jpn:eng jpn:ger)")
@@ -91,7 +91,7 @@ public class InputConfig implements CommandLine.IVersionProvider {
         return new StringJoiner(", ", InputConfig.class.getSimpleName() + "[", "]")
                 .add("configPath=" + configPath)
                 .add("spec=" + spec)
-                .add("libraryPath=" + libraryPath)
+                .add("libraryPath=" + libraryPaths)
                 .add("attributeConfig=" + Arrays.toString(attributeConfig))
                 .add("mkvToolNix=" + mkvToolNix)
                 .add("safeMode=" + safeMode)

src/test/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/validation/ValidationExecutionStrategyTest.java

@@ -12,7 +12,6 @@ import java.io.StringWriter;
 import java.util.stream.Stream;
 
 import static at.pcgamingfreaks.mkvaudiosubtitlechanger.util.PathUtils.*;
-import static at.pcgamingfreaks.mkvaudiosubtitlechanger.util.TestUtil.args;
 import static org.junit.jupiter.api.Assertions.*;
 
 class ValidationExecutionStrategyTest {
@@ -24,16 +23,17 @@ class ValidationExecutionStrategyTest {
                 .setExecutionStrategy(new ValidationExecutionStrategy())
                 .parseArgs("-a", "ger:ger", "-m", TEST_MKVTOOLNIX_DIR, TEST_FILE);
 
-        assertEquals(TEST_FILE, underTest.getConfig().getLibraryPath().getPath().replace("\\", "/"));
+        assertEquals(TEST_FILE, underTest.getConfig().getLibraryPaths()[0].getPath().replace("\\", "/"));
         assertEquals(TEST_MKVTOOLNIX_DIR, underTest.getConfig().getMkvToolNix().getPath().replace("\\", "/"));
     }
 
     private static Stream<Arguments> validateFailure() {
         return Stream.of(
-                Arguments.of(new String[]{"-a", "jpn:ger"}, "Error: Missing required argument(s): <libraryPath>"),
+                Arguments.of(new String[]{"-a", "jpn:ger"}, "Error: Missing required argument(s): <libraryPaths>"),
-                Arguments.of(new String[]{"/arstarstarst"}, "libraryPath does not exist"),
+                Arguments.of(new String[]{"/arstarstarst"}, "libraryPaths does not exist"),
+                Arguments.of(new String[]{TEST_DIR + " /arstarstarst"}, "libraryPaths does not exist"),
                 Arguments.of(new String[]{"/arstarstarst", "-a",}, "Missing required parameter for option '--attribute-config' at index 0 (<attributeConfig>)"),
-                Arguments.of(new String[]{"/arstarstarst", "-a", "jpn:ger"}, "libraryPath does not exist"),
+                Arguments.of(new String[]{"/arstarstarst", "-a", "jpn:ger"}, "libraryPaths does not exist"),
                 Arguments.of(new String[]{"/arstarstarst", "-m"}, "Missing required parameter for option '--mkvtoolnix' (<mkvToolNix>)"),
                 Arguments.of(new String[]{"./", "-m", TEST_INVALID_DIR}, "mkvToolNix does not exist"),
                 Arguments.of(new String[]{"./", "-t"}, "Missing required parameter for option '--threads' (<threads>)"),