public Collection<ValidationMessage> validate(final MessageInterface messageInterface) {
final List<ValidationMessage> messages = new LinkedList<ValidationMessage>();
for (ValidIdRange validIdRange : messageInterface.validIdRanges()) {
if (validIdRange.min() > validIdRange.max()) {
messages.add(
createError(
messageInterface,
"Minimum id value (%d) cannot be greater than the maximum value (%d).",
validIdRange.min(),
validIdRange.max()));
} else {
final Map<ValidIdRange, MessageInterface> processed = getProcessed(messageInterface);
for (Entry<ValidIdRange, MessageInterface> entry : processed.entrySet()) {
final ValidIdRange vid = entry.getKey();
if (overlap(validIdRange, vid)) {
messages.add(
createError(
messageInterface,
"@ValidIdRange min/max (%d/%d) overlap the range (%d/%d) on '%s'.",
validIdRange.min(),
validIdRange.max(),
vid.min(),
vid.max(),
entry.getValue().name()));
}
}
final MessageInterface previous = processed.put(validIdRange, messageInterface);
if (previous != null) {
messages.add(
createError(
messageInterface, "%s was used on %s", validIdRange, messageInterface.name()));
}
}
}
return messages;
}
private boolean overlap(final ValidIdRange r1, final ValidIdRange r2) {
return (r1.min() >= r2.min() && r1.min() <= r2.max())
|| (r1.max() >= r2.min() && r1.max() <= r2.max())
|| (r2.min() >= r1.min() && r2.min() <= r1.max())
|| (r2.max() >= r1.min() && r2.max() <= r1.max());
}