/**
* @param suffix Suffix.
* @return Rule for the next element according to the suffix.
*/
Rule getRule(String suffix) {
for (Rule rule : rules) {
if ((suffix.compareTo(rule.getFrom()) >= 0) &&
(suffix.compareTo(rule.getTo()) <= 0)) {
return rule;
}
}
return null;
}
/**
* @param isbn ISBN.
* @return Information about ISBN.
*/
public static ISBNInformation getInformation(String isbn) {
if (isbn == null) {
return null;
}
// Retrieve information about ISBN
isbn = PageElementISBN.cleanISBN(isbn);
boolean isbn10 = false;
if (isbn.length() == 10) {
isbn = "978" + isbn;
isbn10 = true;
}
Range eanPrefix = getEANPrefix(isbn);
Range registrationGroup = getRegistrationGroup(isbn);
// Build information
ISBNInformation isbnInfo = new ISBNInformation();
if ((eanPrefix != null) && !isbn10) {
isbnInfo.texts.add(eanPrefix.getPrefix() + " - " + eanPrefix.getAgency());
}
String prefix = null;
String cleanPrefix = null;
if (registrationGroup != null) {
prefix = registrationGroup.getPrefix();
cleanPrefix = registrationGroup.getCleanPrefix();
if (isbn10 && (prefix != null) && (prefix.length() > 4)) {
// Remove "978-"
prefix = prefix.substring(4);
}
if ((prefix != null) && (prefix.length() > 0)) {
isbnInfo.texts.add(prefix + "-" + registrationGroup.getAgency());
}
}
// Suggest a formatted ISBN
if ((registrationGroup != null) && (cleanPrefix != null)) {
String suffix = isbn.substring(cleanPrefix.length());
Rule rule = registrationGroup.getRule(suffix);
if (rule == null) {
isbnInfo.texts.add(GT._("No range found for ISBN"));
isbnInfo.unknownRange = true;
} else {
int nextLength = rule.getLength();
if (nextLength > 0) {
if (suffix.length() > nextLength + 1) {
String suggestedISBN = prefix + "-" +
suffix.substring(0, nextLength) + "-" +
suffix.substring(nextLength, suffix.length() - 1) + "-" +
suffix.substring(suffix.length() - 1);
isbnInfo.texts.add(GT._("Suggested format: {0}", suggestedISBN));
} else {
isbnInfo.texts.add(GT._("ISBN length incoherent with range found"));
}
} else {
isbnInfo.texts.add(GT._(
"ISBN is in a reserved range {0}",
prefix + "-(" + rule.getFrom() + "-" + rule.getTo() + ")"));
isbnInfo.reservedRange = true;
}
}
} else {
isbnInfo.texts.add(GT._("No range found for ISBN"));
isbnInfo.unknownRange = true;
}
return isbnInfo;
}
