@SuppressWarnings("unchecked")
public AbstractTemplate(
Engine engine,
Filter filter,
Formatter<?> formatter,
Map<Class<?>, Object> functions,
Map<String, Template> importMacros) {
this.engine = engine;
this.filter = filter;
this.formatter = (Formatter<Object>) formatter;
this.importMacros = importMacros;
this.macros = initMacros(engine, filter, formatter, functions, importMacros);
if (formatter instanceof MultiFormatter) {
MultiFormatter multi = (MultiFormatter) formatter;
this.numberFormatter = multi.get(Number.class);
this.booleanFormatter = multi.get(Boolean.class);
this.byteFormatter = getFormatter(multi, Byte.class, numberFormatter);
this.charFormatter = multi.get(Character.class);
this.shortFormatter = getFormatter(multi, Short.class, numberFormatter);
this.intFormatter = getFormatter(multi, Integer.class, numberFormatter);
this.longFormatter = getFormatter(multi, Long.class, numberFormatter);
this.floatFormatter = getFormatter(multi, Float.class, numberFormatter);
this.doubleFormatter = getFormatter(multi, Double.class, numberFormatter);
this.dateFormatter = multi.get(Date.class);
} else {
this.numberFormatter = null;
this.booleanFormatter = null;
this.byteFormatter = null;
this.charFormatter = null;
this.shortFormatter = null;
this.intFormatter = null;
this.longFormatter = null;
this.floatFormatter = null;
this.doubleFormatter = null;
this.dateFormatter = null;
}
this.nullValue = engine.getProperty(NULL_VALUE, "");
this.trueValue = engine.getProperty(TRUE_VALUE, "true");
this.falseValue = engine.getProperty(FALSE_VALUE, "false");
this.outputEncoding = engine.getProperty(OUTPUT_ENCODING);
this.outputCharset =
outputEncoding == null || outputEncoding.length() == 0
? null
: Charset.forName(outputEncoding);
}
private String findMessageByLocale(String key, Locale locale) {
String file = messageBasename + (locale == null ? "" : "_" + locale) + messageSuffix;
EncodingProperties properties = messageCache.get(file);
if ((properties == null || reloadable) && engine.hasResource(file)) {
if (properties == null) {
properties = new EncodingProperties();
EncodingProperties old = messageCache.putIfAbsent(file, properties);
if (old != null) {
properties = old;
}
}
try {
Resource resource = engine.getResource(file);
if (properties.getLastModified() < resource.getLastModified()) {
String encoding = (StringUtils.isEmpty(messageEncoding) ? "UTF-8" : messageEncoding);
properties.load(resource.openStream(), encoding, resource.getLastModified());
}
} catch (IOException e) {
if (logger != null && logger.isErrorEnabled()) {
logger.error(
"Failed to load httl message file "
+ file
+ " with locale "
+ locale
+ ", cause: "
+ e.getMessage(),
e);
}
}
}
if (properties != null) {
String value = properties.getProperty(key);
if (StringUtils.isNotEmpty(value)) {
return value;
}
}
if (locale != null) {
return findMessageByLocale(key, LocaleUtils.getParentLocale(locale));
}
return null;
}