/**
* Initialization method.
*
* @param sSearchTerms The search term string. It is internally separated into multiple tokens
* by using a "\s+" regular expression.
* @return this
*/
@Nonnull
protected Finder initialize(@Nonnull @Nonempty final String sSearchTerms) {
if (StringHelper.hasNoTextAfterTrim(sSearchTerms))
throw new IllegalArgumentException("SearchTerms");
// Split search terms by white spaces
m_aSearchTerms = RegExHelper.getSplitToArray(sSearchTerms.trim(), "\\s+");
if (m_aSearchTerms.length == 0)
throw new IllegalStateException(
"Weird - splitting of '" + sSearchTerms.trim() + "' failed!");
for (final String sSearchTerm : m_aSearchTerms)
if (sSearchTerm.length() == 0)
throw new IllegalArgumentException("Weird - empty search term present!");
return this;
}
@Override
@Nonnull
protected final IAjaxResponse mainHandleRequest(@Nonnull final LECTYPE aLEC) throws Exception {
final String sOriginalQuery = getQueryString(aLEC);
if (StringHelper.hasNoTextAfterTrim(sOriginalQuery)) {
// May happen when the user enters " " (only spaces)
return AjaxDefaultResponse.createSuccess(aLEC.getRequestScope(), new JsonObject());
}
// Create the main Finder object
final Finder aFinder = createFinder(sOriginalQuery, aLEC);
// Map from ID to name
final List<? extends TypeaheadDatum> aMatchingDatums = getAllMatchingDatums(aFinder, aLEC);
// Convert to JSON, sorted by display name using the current display locale
final JsonArray ret = new JsonArray();
for (final TypeaheadDatum aDatum : aMatchingDatums) ret.add(aDatum.getAsJson());
// Use the simple response, because the response layout is predefined!
return new AjaxSimpleResponse(true, ret);
}