/**
* Prepare a search helper with all required information, ready to execute the query implied by
* the related request parameters and cookies.
*
* <p>NOTE: One should check the {@link SearchHelper#errorMsg} as well as {@link
* SearchHelper#redirect} and take the appropriate action before executing the prepared query or
* continue processing.
*
* <p>This method stops populating fields as soon as an error occurs.
*
* @return a search helper.
*/
public SearchHelper prepareSearch() {
SearchHelper sh = new SearchHelper();
sh.dataRoot = getDataRoot(); // throws Exception if none-existent
List<SortOrder> sortOrders = getSortOrder();
sh.order = sortOrders.isEmpty() ? SortOrder.RELEVANCY : sortOrders.get(0);
if (getRequestedProjects().isEmpty() && getEnv().hasProjects()) {
sh.errorMsg = "You must select a project!";
return sh;
}
sh.builder = getQueryBuilder();
if (sh.builder.getSize() == 0) {
// Entry page show the map
sh.redirect = req.getContextPath() + '/';
return sh;
}
sh.start = getSearchStart();
sh.maxItems = getSearchMaxItems();
sh.contextPath = req.getContextPath();
// jel: this should be IMHO a config param since not only core dependend
sh.parallel = Runtime.getRuntime().availableProcessors() > 1;
sh.isCrossRefSearch = getPrefix() == Prefix.SEARCH_R;
sh.compressed = env.isCompressXref();
sh.desc = getEftarReader();
sh.sourceRoot = new File(getSourceRootPath());
sh.lastEditedDisplayMode = isLastEditedDisplayMode();
return sh;
}
