@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);
}
@SuppressWarnings("unchecked")
private static Formatter<Number> getFormatter(
MultiFormatter multi, Class<? extends Number> type, Formatter<Number> defaultFormatter) {
Formatter<Number> formatter = multi.get((Class<Number>) type);
if (formatter == null) {
return defaultFormatter;
}
return formatter;
}
