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Replace groovy script with FreeMarker template engine (#2669)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| import freemarker.template.Configuration; | ||
| import freemarker.template.Template; | ||
| import freemarker.template.TemplateException; | ||
| import freemarker.template.TemplateExceptionHandler; | ||
| import io.cucumber.gherkin.GherkinDialect; | ||
| import io.cucumber.gherkin.GherkinDialectProvider; | ||
|
|
||
| import java.io.IOException; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.nio.file.Paths; | ||
| import java.text.Normalizer; | ||
| import java.util.Arrays; | ||
| import java.util.LinkedHashMap; | ||
| import java.util.List; | ||
| import java.util.Locale; | ||
| import java.util.Map; | ||
| import java.util.Optional; | ||
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|
||
| import static java.nio.file.Files.newBufferedWriter; | ||
| import static java.nio.file.StandardOpenOption.CREATE; | ||
| import static java.nio.file.StandardOpenOption.TRUNCATE_EXISTING; | ||
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||
| /* This class generates the cucumber-java Interfaces and package-info | ||
| * based on the languages and keywords from the GherkinDialectProvider | ||
| * using the FreeMarker template engine and provided templates. | ||
| */ | ||
| public class GenerateI18n { | ||
|
|
||
| // The generated files for and Emoij do not compile :( | ||
| private static final List<String> unsupported = Arrays.asList("em", "en-tx"); | ||
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| public static void main(String[] args) throws Exception { | ||
| if (args.length != 2) { | ||
| throw new IllegalArgumentException("Usage: <baseDirectory> <packagePath>"); | ||
| } | ||
|
|
||
| DialectWriter dialectWriter = new DialectWriter(args[0], args[1]); | ||
|
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| // Generate annotation files for each dialect | ||
| GherkinDialectProvider dialectProvider = new GherkinDialectProvider(); | ||
| dialectProvider.getLanguages() | ||
| .stream() | ||
| .map(dialectProvider::getDialect) | ||
| .filter(Optional::isPresent) | ||
| .map(Optional::get) | ||
| .filter(dialect -> !unsupported.contains(dialect.getLanguage())) | ||
| .forEach(dialectWriter::writeDialect); | ||
| } | ||
|
|
||
| static class DialectWriter { | ||
| private final Template templateSource; | ||
| private final Template packageInfoSource; | ||
| private final String baseDirectory; | ||
| private final String packagePath; | ||
|
|
||
| DialectWriter(String baseDirectory, String packagePath) throws IOException { | ||
| this.baseDirectory = baseDirectory; | ||
| this.packagePath = packagePath; | ||
|
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||
| Configuration cfg = new Configuration(Configuration.VERSION_2_3_21); | ||
| cfg.setClassForTemplateLoading(GenerateI18n.class, "templates"); | ||
| cfg.setDefaultEncoding("UTF-8"); | ||
| cfg.setLocale(Locale.US); | ||
| cfg.setTemplateExceptionHandler(TemplateExceptionHandler.RETHROW_HANDLER); | ||
|
|
||
| templateSource = cfg.getTemplate("annotation.java.ftl"); | ||
| packageInfoSource = cfg.getTemplate("package-info.ftl"); | ||
| } | ||
|
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| void writeDialect(GherkinDialect dialect) { | ||
| writeKeyWordAnnotations(dialect); | ||
| writePackageInfo(dialect); | ||
| } | ||
|
|
||
| private void writeKeyWordAnnotations(GherkinDialect dialect) { | ||
| dialect.getStepKeywords().stream() | ||
| .filter(it -> !it.contains(String.valueOf('*'))) | ||
| .filter(it -> !it.matches("^\\d.*")) | ||
| .distinct() | ||
| .forEach(keyword -> writeKeyWordAnnotation(dialect, keyword)); | ||
| } | ||
|
|
||
| private void writeKeyWordAnnotation(GherkinDialect dialect, String keyword) { | ||
| String normalizedLanguage = getNormalizedLanguage(dialect); | ||
| String normalizedKeyword = getNormalizedKeyWord(keyword); | ||
|
|
||
| Map<String, String> binding = new LinkedHashMap<>(); | ||
| binding.put("lang", normalizedLanguage); | ||
| binding.put("kw", normalizedKeyword); | ||
|
|
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| Path path = Paths.get(baseDirectory, packagePath, normalizedLanguage, normalizedKeyword + ".java"); | ||
|
|
||
| if (Files.exists(path)) { | ||
| // Haitian has two translations that only differ by case - Sipozeke and SipozeKe | ||
| // Some file systems are unable to distinguish between them and | ||
| // overwrite the other one :-( | ||
| return; | ||
| } | ||
|
|
||
| try { | ||
| Files.createDirectories(path.getParent()); | ||
| templateSource.process(binding, newBufferedWriter(path, CREATE, TRUNCATE_EXISTING)); | ||
| } catch (IOException | TemplateException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
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| private static String getNormalizedKeyWord(String keyword) { | ||
| return normalize(keyword.replaceAll("[\\s',!\u00AD]", "")); | ||
| } | ||
|
|
||
| private static String normalize(CharSequence s) { | ||
| return Normalizer.normalize(s, Normalizer.Form.NFC); | ||
| } | ||
|
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| private void writePackageInfo(GherkinDialect dialect) { | ||
| String normalizedLanguage = getNormalizedLanguage(dialect); | ||
| String languageName = dialect.getName(); | ||
| if (!dialect.getName().equals(dialect.getNativeName())) { | ||
| languageName += " - " + dialect.getNativeName(); | ||
| } | ||
|
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| Map<String, String> binding = new LinkedHashMap<>(); | ||
| binding.put("normalized_language", normalizedLanguage); | ||
| binding.put("language_name", languageName); | ||
|
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| Path path = Paths.get(baseDirectory, packagePath, normalizedLanguage, "package-info.java"); | ||
|
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||
| try { | ||
| Files.createDirectories(path.getParent()); | ||
| packageInfoSource.process(binding, newBufferedWriter(path, CREATE, TRUNCATE_EXISTING)); | ||
| } catch (IOException | TemplateException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
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| private static String getNormalizedLanguage(GherkinDialect dialect) { | ||
| return dialect.getLanguage().replaceAll("[\\s-]", "_").toLowerCase(); | ||
| } | ||
| } | ||
| } |
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