private String buildGuidingsInformation(final Collection<PhdParticipant> guidings) {
final StringBuilder result = new StringBuilder();
List<PhdParticipant> guidingsList = new ArrayList<>(guidings);
for (int i = 0; i < guidingsList.size(); i++) {
final PhdParticipant guiding = guidingsList.get(i);
result.append(guiding.getNameWithTitle());
if (i == guidings.size() - 2) {
result.append(" ").append(getMessageFromResource("label.and")).append(" ");
} else {
result.append(", ");
}
}
if (result.length() > 0) {
if (result.toString().endsWith(getMessageFromResource("label.and"))) {
return result.substring(0, result.length() - getMessageFromResource("label.and").length());
}
if (result.toString().endsWith(", ")) {
return result.substring(0, result.length() - 2);
}
}
return result.toString();
}
