* values for the next level down in the address hierarchy, if these are known.
*/
class FormController {
- // For address hierarchy in lookup key.
- private static final String SLASH_DELIM = "/";
- // For joined values.
- private static final String TILDE_DELIM = "~";
- // For language code info in lookup key (E.g., data/CA--fr).
- private static final String DASH_DELIM = "--";
- private static final LookupKey ROOT_KEY = FormController.getDataKeyForRoot();
- private static final String DEFAULT_REGION_CODE = "ZZ";
- private static final AddressField[] ADDRESS_HIERARCHY = {
- AddressField.COUNTRY,
- AddressField.ADMIN_AREA,
- AddressField.LOCALITY,
- AddressField.DEPENDENT_LOCALITY
- };
-
- // Current user language.
- private String mLanguageCode;
- private ClientData mIntegratedData;
- private String mCurrentCountry;
-
- /**
- * Constructor that populates this with data. languageCode should be a BCP language code (such
- * as "en" or "zh-Hant") and currentCountry should be an ISO 2-letter region code (such as "GB"
- * or "US").
- */
- FormController(ClientData integratedData, String languageCode, String currentCountry) {
- Util.checkNotNull(integratedData, "null data not allowed");
- mLanguageCode = languageCode;
- this.mCurrentCountry = currentCountry;
-
- AddressData address = new AddressData.Builder().setCountry(DEFAULT_REGION_CODE).build();
- LookupKey defaultCountryKey = getDataKeyFor(address);
-
- AddressVerificationNodeData defaultCountryData =
- integratedData.getDefaultData(defaultCountryKey.toString());
- Util.checkNotNull(defaultCountryData,
- "require data for default country key: " + defaultCountryKey);
- this.mIntegratedData = integratedData;
+ // For address hierarchy in lookup key.
+ private static final String SLASH_DELIM = "/";
+ // For joined values.
+ private static final String TILDE_DELIM = "~";
+ // For language code info in lookup key (E.g., data/CA--fr).
+ private static final String DASH_DELIM = "--";
+ private static final LookupKey ROOT_KEY = FormController.getDataKeyForRoot();
+ private static final String DEFAULT_REGION_CODE = "ZZ";
+ private static final AddressField[] ADDRESS_HIERARCHY = {
+ AddressField.COUNTRY,
+ AddressField.ADMIN_AREA,
+ AddressField.LOCALITY,
+ AddressField.DEPENDENT_LOCALITY
+ };
+
+ // Current user language.
+ private String languageCode;
+ private ClientData integratedData;
+ private String currentCountry;
+
+ /**
+ * Constructor that populates this with data. languageCode should be a BCP language code (such
+ * as "en" or "zh-Hant") and currentCountry should be an ISO 2-letter region code (such as "GB"
+ * or "US").
+ */
+ FormController(ClientData integratedData, String languageCode, String currentCountry) {
+ Util.checkNotNull(integratedData, "null data not allowed");
+ this.languageCode = languageCode;
+ this.currentCountry = currentCountry;
+
+ AddressData address = new AddressData.Builder().setCountry(DEFAULT_REGION_CODE).build();
+ LookupKey defaultCountryKey = getDataKeyFor(address);
+
+ AddressVerificationNodeData defaultCountryData =
+ integratedData.getDefaultData(defaultCountryKey.toString());
+ Util.checkNotNull(defaultCountryData,
+ "require data for default country key: " + defaultCountryKey);
+ this.integratedData = integratedData;
+ }
+
+ void setLanguageCode(String languageCode) {
+ this.languageCode = languageCode;
+ }
+
+ void setCurrentCountry(String currentCountry) {
+ this.currentCountry = currentCountry;
+ }
+
+ private ScriptType getScriptType() {
+ if (languageCode != null && Util.isExplicitLatinScript(languageCode)) {
+ return ScriptType.LATIN;
}
-
- void setLanguageCode(String languageCode) {
- mLanguageCode = languageCode;
- }
-
- void setCurrentCountry(String currentCountry) {
- mCurrentCountry = currentCountry;
+ return ScriptType.LOCAL;
+ }
+
+ private static LookupKey getDataKeyForRoot() {
+ AddressData address = new AddressData.Builder().build();
+ return new LookupKey.Builder(KeyType.DATA).setAddressData(address).build();
+ }
+
+ LookupKey getDataKeyFor(AddressData address) {
+ return new LookupKey.Builder(KeyType.DATA).setAddressData(address).build();
+ }
+
+ /**
+ * Requests data for the input address. This method chains multiple requests together. For
+ * example, an address for Mt View, California needs data from "data/US", "data/US/CA", and
+ * "data/US/CA/Mt View" to support it. This method will request them one by one (from top level
+ * key down to the most granular) and evokes {@link DataLoadListener#dataLoadingEnd} method when
+ * all data is collected. If the address is invalid, it will request the first valid child key
+ * instead. For example, a request for "data/US/Foo" will end up requesting data for "data/US",
+ * "data/US/AL".
+ *
+ * @param address the current address.
+ * @param listener triggered when requested data for the address is returned.
+ */
+ void requestDataForAddress(AddressData address, DataLoadListener listener) {
+ Util.checkNotNull(address.getPostalCountry(), "null country not allowed");
+
+ // Gets the key for deepest available node.
+ Queue<String> subkeys = new LinkedList<String>();
+
+ for (AddressField field : ADDRESS_HIERARCHY) {
+ String value = address.getFieldValue(field);
+ if (value == null) {
+ break;
+ }
+ subkeys.add(value);
}
-
- private ScriptType getScriptType() {
- if (mLanguageCode != null && Util.isExplicitLatinScript(mLanguageCode)) {
- return ScriptType.LATIN;
- }
- return ScriptType.LOCAL;
+ if (subkeys.size() == 0) {
+ throw new RuntimeException("Need at least country level info");
}
- private static LookupKey getDataKeyForRoot() {
- AddressData address = new AddressData.Builder().build();
- return new LookupKey.Builder(KeyType.DATA).setAddressData(address).build();
+ if (listener != null) {
+ listener.dataLoadingBegin();
}
-
- LookupKey getDataKeyFor(AddressData address) {
- return new LookupKey.Builder(KeyType.DATA).setAddressData(address).build();
- }
-
- /**
- * Requests data for the input address. This method chains multiple requests together. For
- * example, an address for Mt View, California needs data from "data/US", "data/US/CA", and
- * "data/US/CA/Mt View" to support it. This method will request them one by one (from top level
- * key down to the most granular) and evokes {@link DataLoadListener#dataLoadingEnd} method when
- * all data is collected. If the address is invalid, it will request the first valid child key
- * instead. For example, a request for "data/US/Foo" will end up requesting data for "data/US",
- * "data/US/AL".
- *
- * @param address the current address.
- * @param listener triggered when requested data for the address is returned.
- */
- void requestDataForAddress(AddressData address, DataLoadListener listener) {
- Util.checkNotNull(address.getPostalCountry(), "null country not allowed");
-
- // Gets the key for deepest available node.
- Queue<String> subkeys = new LinkedList<String>();
-
- for (AddressField field : ADDRESS_HIERARCHY) {
- String value = address.getFieldValue(field);
- if (value == null) {
- break;
+ requestDataRecursively(ROOT_KEY, subkeys, listener);
+ }
+
+ private void requestDataRecursively(final LookupKey key,
+ final Queue<String> subkeys, final DataLoadListener listener) {
+ Util.checkNotNull(key, "Null key not allowed");
+ Util.checkNotNull(subkeys, "Null subkeys not allowed");
+
+ integratedData.requestData(key, new DataLoadListener() {
+ @Override
+ public void dataLoadingBegin() {
+ }
+
+ @Override
+ public void dataLoadingEnd() {
+ List<RegionData> subregions = getRegionData(key);
+ if (subregions.isEmpty()) {
+ if (listener != null) {
+ listener.dataLoadingEnd();
+ }
+ // TODO: Should update the selectors here.
+ return;
+ } else if (subkeys.size() > 0) {
+ String subkey = subkeys.remove();
+ for (RegionData subregion : subregions) {
+ if (subregion.isValidName(subkey)) {
+ LookupKey nextKey = buildDataLookupKey(key, subregion.getKey());
+ requestDataRecursively(nextKey, subkeys, listener);
+ return;
}
- subkeys.add(value);
- }
- if (subkeys.size() == 0) {
- throw new RuntimeException("Need at least country level info");
+ }
}
- if (listener != null) {
- listener.dataLoadingBegin();
- }
- requestDataRecursively(ROOT_KEY, subkeys, listener);
+ // Current value in the field is not valid, use the first valid subkey
+ // to request more data instead.
+ String firstSubkey = subregions.get(0).getKey();
+ LookupKey nextKey = buildDataLookupKey(key, firstSubkey);
+ Queue<String> emptyList = new LinkedList<String>();
+ requestDataRecursively(nextKey, emptyList, listener);
+ }
+ });
+ }
+
+ private LookupKey buildDataLookupKey(LookupKey lookupKey, String subKey) {
+ String[] subKeys = lookupKey.toString().split(SLASH_DELIM);
+ String languageCodeSubTag =
+ (languageCode == null) ? null : Util.getLanguageSubtag(languageCode);
+ String key = lookupKey.toString() + SLASH_DELIM + subKey;
+
+ // Country level key
+ if (subKeys.length == 1 &&
+ languageCodeSubTag != null && !isDefaultLanguage(languageCodeSubTag)) {
+ key += DASH_DELIM + languageCodeSubTag.toString();
}
-
- private void requestDataRecursively(final LookupKey key,
- final Queue<String> subkeys, final DataLoadListener listener) {
- Util.checkNotNull(key, "Null key not allowed");
- Util.checkNotNull(subkeys, "Null subkeys not allowed");
-
- mIntegratedData.requestData(key, new DataLoadListener() {
- @Override
- public void dataLoadingBegin() {
- }
-
- @Override
- public void dataLoadingEnd() {
- List<RegionData> subregions = getRegionData(key);
- if (subregions.isEmpty()) {
- if (listener != null) {
- listener.dataLoadingEnd();
- }
- // TODO: Should update the selectors here.
- return;
- } else if (subkeys.size() > 0) {
- String subkey = subkeys.remove();
- for (RegionData subregion : subregions) {
- if (subregion.isValidName(subkey)) {
- LookupKey nextKey = buildDataLookupKey(key, subregion.getKey());
- requestDataRecursively(nextKey, subkeys, listener);
- return;
- }
- }
- }
-
- // Current value in the field is not valid, use the first valid subkey
- // to request more data instead.
- String firstSubkey = subregions.get(0).getKey();
- LookupKey nextKey = buildDataLookupKey(key, firstSubkey);
- Queue<String> emptyList = new LinkedList<String>();
- requestDataRecursively(nextKey, emptyList, listener);
- }
- });
+ return new LookupKey.Builder(key).build();
+ }
+
+ /**
+ * Compares the language subtags of input {@code languageCode} and default language code. For
+ * example, "zh-Hant" and "zh" are viewed as identical.
+ */
+ boolean isDefaultLanguage(String languageCode) {
+ if (languageCode == null) {
+ return true;
}
-
- private LookupKey buildDataLookupKey(LookupKey lookupKey, String subKey) {
- String[] subKeys = lookupKey.toString().split(SLASH_DELIM);
- String languageCodeSubTag =
- (mLanguageCode == null) ? null : Util.getLanguageSubtag(mLanguageCode);
- String key = lookupKey.toString() + SLASH_DELIM + subKey;
-
- // Country level key
- if (subKeys.length == 1 &&
- languageCodeSubTag != null && !isDefaultLanguage(languageCodeSubTag)) {
- key += DASH_DELIM + languageCodeSubTag.toString();
- }
- return new LookupKey.Builder(key).build();
+ AddressData addr = new AddressData.Builder().setCountry(currentCountry).build();
+ LookupKey lookupKey = getDataKeyFor(addr);
+ AddressVerificationNodeData data =
+ integratedData.getDefaultData(lookupKey.toString());
+ String defaultLanguage = data.get(AddressDataKey.LANG);
+
+ // Current language is not the default language for the country.
+ if (Util.trimToNull(defaultLanguage) != null &&
+ !Util.getLanguageSubtag(languageCode).equals(Util.getLanguageSubtag(languageCode))) {
+ return false;
}
-
- /**
- * Compares the language subtags of input {@code languageCode} and default language code. For
- * example, "zh-Hant" and "zh" are viewed as identical.
- */
- boolean isDefaultLanguage(String languageCode) {
- if (languageCode == null) {
- return true;
- }
- AddressData addr = new AddressData.Builder().setCountry(mCurrentCountry).build();
- LookupKey lookupKey = getDataKeyFor(addr);
- AddressVerificationNodeData data =
- mIntegratedData.getDefaultData(lookupKey.toString());
- String defaultLanguage = data.get(AddressDataKey.LANG);
-
- // Current language is not the default language for the country.
- if (Util.trimToNull(defaultLanguage) != null &&
- !Util.getLanguageSubtag(languageCode).equals(Util.getLanguageSubtag(languageCode))) {
- return false;
- }
- return true;
+ return true;
+ }
+
+ /**
+ * Gets a list of {@link RegionData} for sub-regions for a given key. For example, sub regions
+ * for "data/US" are AL/Alabama, AK/Alaska, etc.
+ *
+ * <p> TODO: It seems more straight forward to return a list of pairs instead of RegionData.
+ * Actually, we can remove RegionData since it does not contain anything more than key/value
+ * pairs now.
+ *
+ * @return A list of sub-regions, each sub-region represented by a {@link RegionData}.
+ */
+ List<RegionData> getRegionData(LookupKey key) {
+ if (key.getKeyType() == KeyType.EXAMPLES) {
+ throw new RuntimeException("example key not allowed for getting region data");
}
-
- /**
- * Gets a list of {@link RegionData} for sub-regions for a given key. For example, sub regions
- * for "data/US" are AL/Alabama, AK/Alaska, etc.
- *
- * <p> TODO: It seems more straight forward to return a list of pairs instead of RegionData.
- * Actually, we can remove RegionData since it does not contain anything more than key/value
- * pairs now.
- *
- * @return A list of sub-regions, each sub-region represented by a {@link RegionData}.
- */
- List<RegionData> getRegionData(LookupKey key) {
- if (key.getKeyType() == KeyType.EXAMPLES) {
- throw new RuntimeException("example key not allowed for getting region data");
- }
- Util.checkNotNull(key, "null regionKey not allowed");
- LookupKey normalizedKey = normalizeLookupKey(key);
- List<RegionData> results = new ArrayList<RegionData>();
-
- // Root key.
- if (normalizedKey.equals(ROOT_KEY)) {
- AddressVerificationNodeData data =
- mIntegratedData.getDefaultData(normalizedKey.toString());
- String[] countries = splitData(data.get(AddressDataKey.COUNTRIES));
- for (int i = 0; i < countries.length; i++) {
- RegionData rd = new RegionData.Builder()
- .setKey(countries[i])
- .setName(countries[i])
- .build();
- results.add(rd);
- }
- return results;
- }
-
- AddressVerificationNodeData data =
- mIntegratedData.get(normalizedKey.toString());
- if (data != null) {
- String[] keys = splitData(data.get(AddressDataKey.SUB_KEYS));
- String[] names = (getScriptType() == ScriptType.LOCAL)
- ? splitData(data.get(AddressDataKey.SUB_NAMES))
- : splitData(data.get(AddressDataKey.SUB_LNAMES));
-
- for (int i = 0; i < keys.length; i++) {
- RegionData rd =
- new RegionData.Builder()
- .setKey(keys[i])
- .setName((i < names.length) ? names[i] : keys[i])
- .build();
- results.add(rd);
- }
- }
- return results;
+ Util.checkNotNull(key, "null regionKey not allowed");
+ LookupKey normalizedKey = normalizeLookupKey(key);
+ List<RegionData> results = new ArrayList<RegionData>();
+
+ // Root key.
+ if (normalizedKey.equals(ROOT_KEY)) {
+ AddressVerificationNodeData data =
+ integratedData.getDefaultData(normalizedKey.toString());
+ String[] countries = splitData(data.get(AddressDataKey.COUNTRIES));
+ for (int i = 0; i < countries.length; i++) {
+ RegionData rd = new RegionData.Builder()
+ .setKey(countries[i])
+ .setName(countries[i])
+ .build();
+ results.add(rd);
+ }
+ return results;
}
- /**
- * Split a '~' delimited string into an array of strings. This method is null tolerant and
- * considers an empty string to contain no elements.
- *
- * @param raw The data to split
- * @return an array of strings
- */
- private String[] splitData(String raw) {
- if (raw == null || raw.length() == 0) {
- return new String[]{};
- }
- return raw.split(TILDE_DELIM);
+ AddressVerificationNodeData data =
+ integratedData.get(normalizedKey.toString());
+ if (data != null) {
+ String[] keys = splitData(data.get(AddressDataKey.SUB_KEYS));
+ String[] names = (getScriptType() == ScriptType.LOCAL)
+ ? splitData(data.get(AddressDataKey.SUB_NAMES))
+ : splitData(data.get(AddressDataKey.SUB_LNAMES));
+
+ for (int i = 0; i < keys.length; i++) {
+ RegionData rd = new RegionData.Builder()
+ .setKey(keys[i])
+ .setName((i < names.length) ? names[i] : keys[i])
+ .build();
+ results.add(rd);
+ }
}
-
- private String getSubKey(LookupKey parentKey, String name) {
- for (RegionData subRegion : getRegionData(parentKey)) {
- if (subRegion.isValidName(name)) {
- return subRegion.getKey();
- }
- }
- return null;
+ return results;
+ }
+
+ /**
+ * Split a '~' delimited string into an array of strings. This method is null tolerant and
+ * considers an empty string to contain no elements.
+ *
+ * @param raw The data to split
+ * @return an array of strings
+ */
+ private String[] splitData(String raw) {
+ if (raw == null || raw.length() == 0) {
+ return new String[]{};
+ }
+ return raw.split(TILDE_DELIM);
+ }
+
+ private String getSubKey(LookupKey parentKey, String name) {
+ for (RegionData subRegion : getRegionData(parentKey)) {
+ if (subRegion.isValidName(name)) {
+ return subRegion.getKey();
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Normalizes {@code key} by replacing field values with sub-keys. For example, California is
+ * replaced with CA. The normalization goes from top (country) to bottom (dependent locality)
+ * and if any field value is empty, unknown, or invalid, it will stop and return whatever it
+ * gets. For example, a key "data/US/California/foobar/kar" will be normalized into
+ * "data/US/CA/foobar/kar" since "foobar" is unknown. This method supports only key of
+ * {@link KeyType#DATA} type.
+ *
+ * @return normalized {@link LookupKey}.
+ */
+ private LookupKey normalizeLookupKey(LookupKey key) {
+ Util.checkNotNull(key);
+ if (key.getKeyType() != KeyType.DATA) {
+ throw new RuntimeException("Only DATA keyType is supported");
}
- /**
- * Normalizes {@code key} by replacing field values with sub-keys. For example, California is
- * replaced with CA. The normalization goes from top (country) to bottom (dependent locality)
- * and if any field value is empty, unknown, or invalid, it will stop and return whatever it
- * gets. For example, a key "data/US/California/foobar/kar" will be normalized into
- * "data/US/CA/foobar/kar" since "foobar" is unknown. This method supports only key of
- * {@link KeyType#DATA} type.
- *
- * @return normalized {@link LookupKey}.
- */
- private LookupKey normalizeLookupKey(LookupKey key) {
- Util.checkNotNull(key);
- if (key.getKeyType() != KeyType.DATA) {
- throw new RuntimeException("Only DATA keyType is supported");
- }
-
- String subStr[] = key.toString().split(SLASH_DELIM);
-
- // Root key does not need to be normalized.
- if (subStr.length < 2) {
- return key;
- }
-
- StringBuilder sb = new StringBuilder(subStr[0]);
- for (int i = 1; i < subStr.length; ++i) {
- // Strips the language code if contained.
- String languageCode = null;
- if (i == 1 && subStr[i].contains(DASH_DELIM)) {
- String[] s = subStr[i].split(DASH_DELIM);
- subStr[i] = s[0];
- languageCode = s[1];
- }
+ String subStr[] = key.toString().split(SLASH_DELIM);
- String normalizedSubKey = getSubKey(new LookupKey.Builder(sb.toString()).build(),
- subStr[i]);
+ // Root key does not need to be normalized.
+ if (subStr.length < 2) {
+ return key;
+ }
- // Can't find normalized sub-key; assembles the lookup key with the
- // remaining sub-keys and returns it.
- if (normalizedSubKey == null) {
- for (; i < subStr.length; ++i) {
- sb.append(SLASH_DELIM).append(subStr[i]);
- }
- break;
- }
- sb.append(SLASH_DELIM).append(normalizedSubKey);
- if (languageCode != null) {
- sb.append(DASH_DELIM).append(languageCode);
- }
+ StringBuilder sb = new StringBuilder(subStr[0]);
+ for (int i = 1; i < subStr.length; ++i) {
+ // Strips the language code if contained.
+ String languageCode = null;
+ if (i == 1 && subStr[i].contains(DASH_DELIM)) {
+ String[] s = subStr[i].split(DASH_DELIM);
+ subStr[i] = s[0];
+ languageCode = s[1];
+ }
+
+ String normalizedSubKey = getSubKey(new LookupKey.Builder(sb.toString()).build(),
+ subStr[i]);
+
+ // Can't find normalized sub-key; assembles the lookup key with the
+ // remaining sub-keys and returns it.
+ if (normalizedSubKey == null) {
+ for (; i < subStr.length; ++i) {
+ sb.append(SLASH_DELIM).append(subStr[i]);
}
- return new LookupKey.Builder(sb.toString()).build();
+ break;
+ }
+ sb.append(SLASH_DELIM).append(normalizedSubKey);
+ if (languageCode != null) {
+ sb.append(DASH_DELIM).append(languageCode);
+ }
}
+ return new LookupKey.Builder(sb.toString()).build();
+ }
}
projects / platform / framework / web / crosswalk.git / blobdiff