/**
* Creates a Lang object using id1's ID and id2's pattern
*
* @param id1
* @param id2
* @return
*/
public static Lang getLang(String id1, String id2) {
Lang lang1 = getLang(id1);
if (lang1 == null) return null;
Lang lang2 = getLang(id2);
if (lang2 == null) return null;
Lang lang = new Lang();
lang.setName(lang1.getName() + " + " + lang2.getName());
lang.setId(lang1.getId()); // web page retrieval langId
lang.setPattern(lang2.getPattern()); // text extraction langId
return lang;
}
/**
* Auto-detect the language of the input string in the same order as in the Lang list
*
* @param s input string
* @return a Lang object, or null if the language is unrecognizable
*/
public static Set<Lang> detect(String s) {
Set<Lang> langSet = new LinkedHashSet<Lang>();
for (Lang lang : langList) if (lang.getPattern().matcher(s.trim()).matches()) langSet.add(lang);
return langSet;
}
