/**
* Returns an area-level text description in the given language for the given phone number.
*
* @param number the phone number for which we want to get a text description
* @param lang two-letter lowercase ISO language codes as defined by ISO 639-1
* @param script four-letter titlecase (the first letter is uppercase and the rest of the letters
* are lowercase) ISO script codes as defined in ISO 15924
* @param region two-letter uppercase ISO country codes as defined by ISO 3166-1
* @return an area-level text description in the given language for the given phone number, or an
* empty string if such a description is not available
*/
private String getAreaDescriptionForNumber(
PhoneNumber number, String lang, String script, String region)
{
int countryCallingCode = number.getCountryCode();
// As the NANPA data is split into multiple files covering 3-digit areas, use a phone number
// prefix of 4 digits for NANPA instead, e.g. 1650.
int phonePrefix = (countryCallingCode != 1) ?
countryCallingCode : (1000 + (int)(number.getNationalNumber() / 10000000));
AreaCodeMap phonePrefixDescriptions =
getPhonePrefixDescriptions(phonePrefix, lang, script, region);
String description = (phonePrefixDescriptions != null)
? phonePrefixDescriptions.lookup(number)
: null;
// When a location is not available in the requested language, fall back to English.
if ((description == null || description.length() == 0) && mayFallBackToEnglish(lang))
{
AreaCodeMap defaultMap = getPhonePrefixDescriptions(phonePrefix, "en", "", "");
if (defaultMap == null)
{
return("");
}
description = defaultMap.lookup(number);
}
return(description != null ? (string)description : "");
}
private void loadAreaCodeMapFromFile(String fileName)
{
InputStream source =
Extensions.getResourceAsStream(phonePrefixDataDirectory + fileName);
ObjectInputStream @in = null;
try {
@in = new ObjectInputStream(source);
AreaCodeMap map = new AreaCodeMap();
map.readExternal(@in);
availablePhonePrefixMaps.put(fileName, map);
} catch (IOException e) {
LOGGER.log(Level.WARNING, e.toString());
} finally {
close(@in);
}
}
public void testGetSmallerMapStorageChoosesFlyweightImpl()
{
AreaCodeMapStorageStrategy mapStorage =
new AreaCodeMap().getSmallerMapStorage(createFlyweightStorageMapCandidate());
assertTrue(mapStorage is FlyweightMapStorage);
}
/**
* Creates a new area code map serializing the provided area code map to a stream and then reading
* this stream. The resulting area code map is expected to be strictly equal to the provided one
* from which it was generated.
*/
private static AreaCodeMap createNewAreaCodeMap(AreaCodeMap areaCodeMap)
{
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
ObjectOutputStream objectOutputStream = new ObjectOutputStream(byteArrayOutputStream);
areaCodeMap.writeExternal(objectOutputStream);
objectOutputStream.flush();
AreaCodeMap newAreaCodeMap = new AreaCodeMap();
newAreaCodeMap.readExternal(
new ObjectInputStream(new ByteArrayInputStream(byteArrayOutputStream.toByteArray())));
return newAreaCodeMap;
}
public void testReadWriteExternalWithFlyweightStrategy()
{
AreaCodeMap localAreaCodeMap = new AreaCodeMap();
localAreaCodeMap.readAreaCodeMap(createFlyweightStorageMapCandidate());
assertTrue(localAreaCodeMap.getAreaCodeMapStorage() is FlyweightMapStorage);
AreaCodeMap newAreaCodeMap;
newAreaCodeMap = createNewAreaCodeMap(localAreaCodeMap);
assertEquals(localAreaCodeMap.toString(), newAreaCodeMap.toString());
}
private void loadAreaCodeMapFromFile(String fileName)
{
InputStream source =
Extensions.getResourceAsStream(phonePrefixDataDirectory + fileName);
ObjectInputStream @in = null;
try {
@in = new ObjectInputStream(source);
AreaCodeMap map = new AreaCodeMap();
map.readExternal(@in);
availablePhonePrefixMaps.put(fileName, map);
} catch (IOException e) {
LOGGER.log(Level.WARNING, e.toString());
} finally {
close(@in);
}
}
