/**
* Look up the welcome section of the top branding theme. The message keys are translated in the
* language of the passed in {@code Locale}
*
* @param locale The {@code Locale} to use to look up the appropriate messages.
* @return An HTML string to be placed in the welcome page.
*/
public String getWelcomeSections(final Locale locale) {
Map<String, String> messageMap = getMessageMap(WELCOME, locale);
List<BrandingTheme> brandingThemes = getBrandingThemes();
StringBuilder templateBuilder = new StringBuilder();
for (BrandingTheme theme : brandingThemes) {
String template = theme.getWelcomePageSectionTemplate();
String replacedTemplate = template;
Matcher keyMatcher = TEMPLATE_PATTERN.matcher(template);
while (keyMatcher.find()) {
String key = keyMatcher.group(1);
// Don't replace {userLocale} here.
if (!USER_LOCALE_HOLDER.substring(2, USER_LOCALE_HOLDER.length() - 2).equals(key)
&& messageMap.get(key) != null) {
replacedTemplate =
replacedTemplate.replaceAll(
"\\{" + key + "\\}", // $NON-NLS-1 //$NON-NLS-2$
messageMap.get(key));
}
}
replacedTemplate = replacedTemplate.replaceAll(USER_LOCALE_HOLDER, locale.toString());
if (theme.shouldReplaceWelcomePageSectionTemplate()) {
// Clear the template builder as the theme wants to replace instead of append to the
// template.
templateBuilder = new StringBuilder();
}
templateBuilder.append(replacedTemplate);
}
return templateBuilder.toString();
}
/**
* Get a list of available {@code BrandingTheme}s.
*
* @return A {@code List} of {@code BrandingTheme}s.
*/
public synchronized List<BrandingTheme> getBrandingThemes() {
if (themes == null
&& brandingRootPath.exists()
&& brandingRootPath.isDirectory()
&& brandingRootPath.canRead()) {
themes = new ArrayList<BrandingTheme>();
List<File> directories =
Arrays.asList(
brandingRootPath.listFiles(
new FileFilter() {
@Override
public boolean accept(final File file) {
return file.isDirectory()
&& DIRECTORY_PATTERN.matcher(file.getName()).matches();
}
}));
Collections.sort(directories);
for (File directory : directories) {
BrandingTheme theme =
new BrandingTheme(
directory.getAbsolutePath(), brandingRootPath, CURRENT_BRANDING_VERSION);
if (theme.load()) {
themes.add(theme);
}
}
}
return themes != null ? themes : new ArrayList<BrandingTheme>();
}
/**
* Returns a Map of String keys and values.
*
* @param prefix The prefix to use for getting the keys.
* @param locale The locale to get the messages for.
* @return A {@code Map} of keys and values.
*/
Map<String, String> getMessageMap(final String prefix, final Locale locale) {
List<BrandingTheme> messageThemes = getBrandingThemes();
// We need this map to remove potential duplicate strings from the resource bundles.
Map<String, String> keyValues = new HashMap<String, String>();
if (messageThemes != null) {
for (BrandingTheme theme : messageThemes) {
List<ResourceBundle> bundles = theme.getMessagesBundle(locale);
for (ResourceBundle bundle : bundles) {
getKeyValuesFromResourceBundle(prefix, keyValues, bundle);
}
}
}
return keyValues;
}
