/**
* Return a list of installed languages in the provided application module.
*
* @param moduleName the module name to search for installed languages.
* @return a list with the available languages.
*/
@Override
public List<I18n> getInstalledLanguages(String moduleName) {
final LogicalPath resourcesPath = LogicalPath.getInstance(Path.SRC_MAIN_RESOURCES, moduleName);
final String targetDirectory = getPathResolver().getIdentifier(resourcesPath, "");
// Create list for installed languages
List<I18n> installedLanguages = new ArrayList<I18n>();
// Get all available languages
Set<I18n> supportedLanguages = getI18nSupport().getSupportedLanguages();
for (I18n i18n : supportedLanguages) {
String messageBundle =
String.format("messages_%s.properties", i18n.getLocale().getLanguage());
String bundlePath =
String.format(
"%s%s%s", targetDirectory, AntPathMatcher.DEFAULT_PATH_SEPARATOR, messageBundle);
if (getFileManager().exists(bundlePath)) {
installedLanguages.add(i18n);
}
}
// Always add English language as default
installedLanguages.add(new EnglishLanguage());
return Collections.unmodifiableList(installedLanguages);
}
/**
* Add labels to all installed languages
*
* @param moduleName
* @param labels
*/
@Override
public void addOrUpdateLabels(String moduleName, final Map<String, String> labels) {
final LogicalPath resourcesPath = LogicalPath.getInstance(Path.SRC_MAIN_RESOURCES, moduleName);
final String targetDirectory = getPathResolver().getIdentifier(resourcesPath, "");
Set<I18n> supportedLanguages = getI18nSupport().getSupportedLanguages();
for (I18n i18n : supportedLanguages) {
String messageBundle =
String.format("messages_%s.properties", i18n.getLocale().getLanguage());
String bundlePath =
String.format(
"%s%s%s", targetDirectory, AntPathMatcher.DEFAULT_PATH_SEPARATOR, messageBundle);
if (getFileManager().exists(bundlePath)) {
getPropFilesManager().addProperties(resourcesPath, messageBundle, labels, true, false);
}
}
// Allways update english message bundles
getPropFilesManager().addProperties(resourcesPath, "messages.properties", labels, true, false);
}
@Override
public void installLanguage(final I18n language, final boolean useAsDefault, final Pom module) {
// Check if provided module match with application modules features
Validate.isTrue(
getTypeLocationService().hasModuleFeature(module, ModuleFeatureName.APPLICATION),
"ERROR: Provided module doesn't match with application modules features. "
+ "Execute this operation again and provide a valid application module.");
Validate.notNull(language, "ERROR: You should provide a valid language code.");
if (language.getLocale() == null) {
LOGGER.warning("ERROR: Provided language is not valid.");
return;
}
final LogicalPath resourcesPath =
LogicalPath.getInstance(Path.SRC_MAIN_RESOURCES, module.getModuleName());
final String targetDirectory = getPathResolver().getIdentifier(resourcesPath, "");
// Getting message.properties file
String messageBundle = "";
if (language.getLocale().equals(Locale.ENGLISH)) {
messageBundle = targetDirectory + "messages.properties";
} else {
messageBundle =
targetDirectory
.concat("messages_")
.concat(language.getLocale().getLanguage().concat(".properties"));
}
if (!getFileManager().exists(messageBundle)) {
InputStream inputStream = null;
OutputStream outputStream = null;
try {
inputStream = language.getMessageBundle();
outputStream = getFileManager().createFile(messageBundle).getOutputStream();
IOUtils.copy(inputStream, outputStream);
} catch (final Exception e) {
throw new IllegalStateException(
"Encountered an error during copying of message bundle MVC JSP addon.", e);
} finally {
IOUtils.closeQuietly(inputStream);
IOUtils.closeQuietly(outputStream);
}
}
// Install flag
final String flagGraphic =
targetDirectory
.concat("static/public/img/")
.concat(language.getLocale().getLanguage())
.concat(".png");
if (!getFileManager().exists(flagGraphic)) {
InputStream inputStream = null;
OutputStream outputStream = null;
try {
inputStream = language.getFlagGraphic();
outputStream = getFileManager().createFile(flagGraphic).getOutputStream();
IOUtils.copy(inputStream, outputStream);
} catch (final Exception e) {
throw new IllegalStateException(
"Encountered an error during copying of flag graphic for MVC JSP addon.", e);
} finally {
IOUtils.closeQuietly(inputStream);
IOUtils.closeQuietly(outputStream);
}
}
// Update @WebMvcConfiguration annotation defining defaultLanguage
// attribute
if (useAsDefault) {
// Obtain all existing configuration classes annotated with
// @RooWebMvcConfiguration
Set<ClassOrInterfaceTypeDetails> configurationClasses =
getTypeLocationService()
.findClassesOrInterfaceDetailsWithAnnotation(RooJavaType.ROO_WEB_MVC_CONFIGURATION);
for (ClassOrInterfaceTypeDetails configurationClass : configurationClasses) {
// If configuration class is located in the provided module
if (configurationClass.getType().getModule().equals(module.getModuleName())) {
ClassOrInterfaceTypeDetailsBuilder cidBuilder =
new ClassOrInterfaceTypeDetailsBuilder(configurationClass);
AnnotationMetadataBuilder annotation =
cidBuilder.getDeclaredTypeAnnotation(RooJavaType.ROO_WEB_MVC_CONFIGURATION);
annotation.addStringAttribute("defaultLanguage", language.getLocale().getLanguage());
// Update configuration class
getTypeManagementService().createOrUpdateTypeOnDisk(cidBuilder.build());
}
}
LOGGER.log(
Level.INFO,
String.format(
"INFO: Default language of your project has been changed to %s.",
language.getLanguage()));
}
// Get all controllers and update its message bundles
Set<ClassOrInterfaceTypeDetails> controllers =
getTypeLocationService()
.findClassesOrInterfaceDetailsWithAnnotation(RooJavaType.ROO_CONTROLLER);
for (ClassOrInterfaceTypeDetails controller : controllers) {
getMetadataService().evictAndGet(ControllerMetadata.createIdentifier(controller));
}
// Add application property
getApplicationConfigService()
.addProperty(
module.getModuleName(), "spring.messages.fallback-to-system-locale", "false", "", true);
}