chrome/android/java/src/org/chromium/chrome/browser/payments/AutofillAddress.java - chromium/src - Git at Google

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 package org.chromium.chrome.browser.payments;

 import android.content.Context;
 import android.support.annotation.IntDef;
 import android.support.annotation.Nullable;
 import android.telephony.PhoneNumberUtils;
 import android.text.TextUtils;
 import android.util.Pair;

 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.autofill.PersonalDataManager;
 import org.chromium.chrome.browser.autofill.PersonalDataManager.AutofillProfile;
 import org.chromium.chrome.browser.preferences.autofill.AutofillProfileBridge;
 import org.chromium.chrome.browser.preferences.autofill.AutofillProfileBridge.AddressField;
 import org.chromium.chrome.browser.widget.prefeditor.EditableOption;
 import org.chromium.payments.mojom.PaymentAddress;

 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.List;
 import java.util.Locale;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;

 /**
  * The locally stored autofill address.
  */
 public class AutofillAddress extends EditableOption {
     /** The pattern for a valid region code. */
     private static final String REGION_CODE_PATTERN = "^[A-Z]{2}$";

     // Language/script code pattern and capture group numbers.
     private static final String LANGUAGE_SCRIPT_CODE_PATTERN =
             "^([a-z]{2})(-([A-Z][a-z]{3}))?(-[A-Za-z]+)*$";
     private static final int LANGUAGE_CODE_GROUP = 1;
     private static final int SCRIPT_CODE_GROUP = 3;

     @IntDef({CompletionStatus.COMPLETE, CompletionStatus.INVALID_ADDRESS,
             CompletionStatus.INVALID_PHONE_NUMBER, CompletionStatus.INVALID_RECIPIENT,
             CompletionStatus.INVALID_MULTIPLE_FIELDS})
     @Retention(RetentionPolicy.SOURCE)
     public @interface CompletionStatus {
         /** Can be sent to the merchant as-is without editing first. */
         int COMPLETE = 0;
         /** The address is invalid. For example, missing state or city name. */
         int INVALID_ADDRESS = 1;
         /** The phone number is invalid or missing. */
         int INVALID_PHONE_NUMBER = 2;
         /** The recipient is missing. */
         int INVALID_RECIPIENT = 3;
         /** Multiple fields are invalid or missing. */
         int INVALID_MULTIPLE_FIELDS = 4;
     }

     @IntDef({CompletenessCheckType.NORMAL, CompletenessCheckType.IGNORE_PHONE})
     @Retention(RetentionPolicy.SOURCE)
     public @interface CompletenessCheckType {
         /** A normal completeness check. */
         int NORMAL = 0;
         /** A completeness check that ignores phone numbers. */
         int IGNORE_PHONE = 1;
     }

     @Nullable private static Pattern sRegionCodePattern;

     private Context mContext;
     private AutofillProfile mProfile;
     @Nullable private Pattern mLanguageScriptCodePattern;
     @Nullable private String mShippingLabelWithCountry;
     @Nullable private String mShippingLabelWithoutCountry;
     @Nullable private String mBillingLabel;

     /**
      * Builds the autofill address.
      *
      * @param profile The autofill profile containing the address information.
      */
     public AutofillAddress(Context context, AutofillProfile profile) {
         super(profile.getGUID(), profile.getFullName(), profile.getLabel(),
                 profile.getPhoneNumber(), null);
         mContext = context;
         mProfile = profile;
         mIsEditable = true;
         checkAndUpdateAddressCompleteness();
     }

     /** @return The autofill profile where this address data lives. */
     public AutofillProfile getProfile() {
         return mProfile;
     }

     /**
      * Updates the address and marks it "complete." Called after the user has edited this address.
      * Updates the identifier and labels.
      *
      * @param profile The new profile to use.
      */
     public void completeAddress(AutofillProfile profile) {
         // Since the profile changed, our cached labels are now out of date. Set them to null so the
         // labels are recomputed next time they are needed.
         mShippingLabelWithCountry = null;
         mShippingLabelWithoutCountry = null;
         mBillingLabel = null;

         mProfile = profile;
         updateIdentifierAndLabels(mProfile.getGUID(), mProfile.getFullName(), mProfile.getLabel(),
                 mProfile.getPhoneNumber());
         checkAndUpdateAddressCompleteness();
         assert mIsComplete;
     }

     /**
      * Gets the shipping address label which includes the country for the profile associated with
      * this address and sets it as sublabel for this EditableOption.
      */
     public void setShippingAddressLabelWithCountry() {
         assert mProfile != null;

         if (mShippingLabelWithCountry == null) {
             mShippingLabelWithCountry =
                     PersonalDataManager.getInstance()
                             .getShippingAddressLabelWithCountryForPaymentRequest(mProfile);
         }

         mProfile.setLabel(mShippingLabelWithCountry);
         updateSublabel(mProfile.getLabel());
     }

     /**
      * Gets the shipping address label which does not include the country for the profile associated
      * with this address and sets it as sublabel for this EditableOption.
      */
     public void setShippingAddressLabelWithoutCountry() {
         assert mProfile != null;

         if (mShippingLabelWithoutCountry == null) {
             mShippingLabelWithoutCountry =
                     PersonalDataManager.getInstance()
                             .getShippingAddressLabelWithoutCountryForPaymentRequest(mProfile);
         }

         mProfile.setLabel(mShippingLabelWithoutCountry);
         updateSublabel(mProfile.getLabel());
     }

     /*
      * Gets the billing address label for the profile associated with this address and sets it as
      * sublabel for this EditableOption.
      */
     public void setBillingAddressLabel() {
         assert mProfile != null;

         if (mBillingLabel == null) {
             mBillingLabel =
                     PersonalDataManager.getInstance().getBillingAddressLabelForPaymentRequest(
                             mProfile);
         }

         mProfile.setLabel(mBillingLabel);
         updateSublabel(mProfile.getLabel());
     }

     /**
      * Checks whether this address is complete and updates edit message, edit title and complete
      * status.
      */
     private void checkAndUpdateAddressCompleteness() {
         Pair<Integer, Integer> messageResIds = getEditMessageAndTitleResIds(
                 checkAddressCompletionStatus(mProfile, CompletenessCheckType.NORMAL));

         mEditMessage = messageResIds.first.intValue() == 0
                 ? null
                 : mContext.getString(messageResIds.first);
         mEditTitle = messageResIds.second.intValue() == 0
                 ? null
                 : mContext.getString(messageResIds.second);
         mIsComplete = mEditMessage == null;
     }

     /**
      * Gets the edit message and title resource Ids for the completion status.
      *
      * @param  completionStatus The completion status.
      * @return The resource Ids. The first is the edit message resource Id. The second is the
      *         correspond editor title resource Id.
      */
     public static Pair<Integer, Integer> getEditMessageAndTitleResIds(
             @CompletionStatus int completionStatus) {
         int editMessageResId = 0;
         int editTitleResId = 0;

         switch (completionStatus) {
             case CompletionStatus.COMPLETE:
                 editTitleResId = R.string.payments_edit_address;
                 break;
             case CompletionStatus.INVALID_ADDRESS:
                 editMessageResId = R.string.payments_invalid_address;
                 editTitleResId = R.string.payments_add_valid_address;
                 break;
             case CompletionStatus.INVALID_PHONE_NUMBER:
                 editMessageResId = R.string.payments_phone_number_required;
                 editTitleResId = R.string.payments_add_phone_number;
                 break;
             case CompletionStatus.INVALID_RECIPIENT:
                 editMessageResId = R.string.payments_recipient_required;
                 editTitleResId = R.string.payments_add_recipient;
                 break;
             case CompletionStatus.INVALID_MULTIPLE_FIELDS:
                 editMessageResId = R.string.payments_more_information_required;
                 editTitleResId = R.string.payments_add_more_information;
                 break;
             default:
                 assert false : "Invalid completion status";
         }

         return new Pair<Integer, Integer>(editMessageResId, editTitleResId);
     }

     /**
      * Checks address completion status in the given profile.
      *
      * If the country code is not set or invalid, but all fields for the default locale's country
      * code are present, then the profile is deemed "complete." AutoflllAddress.toPaymentAddress()
      * will use the default locale to fill in a blank country code before sending the address to the
      * renderer.
      *
      * @param  profile The autofill profile containing the address information.
      * @return int     The completion status.
      */
     @CompletionStatus
     public static int checkAddressCompletionStatus(
             AutofillProfile profile, @CompletenessCheckType int checkType) {
         int invalidFieldsCount = 0;
         @CompletionStatus
         int completionStatus = CompletionStatus.COMPLETE;

         if (checkType != CompletenessCheckType.IGNORE_PHONE
                 && !PhoneNumberUtils.isGlobalPhoneNumber(
                            PhoneNumberUtils.stripSeparators(profile.getPhoneNumber().toString()))) {
             completionStatus = CompletionStatus.INVALID_PHONE_NUMBER;
             invalidFieldsCount++;
         }

         List<Integer> requiredFields = AutofillProfileBridge.getRequiredAddressFields(
                 AutofillAddress.getCountryCode(profile));
         for (int fieldId : requiredFields) {
             if (fieldId == AddressField.RECIPIENT || fieldId == AddressField.COUNTRY) continue;
             if (!TextUtils.isEmpty(getProfileField(profile, fieldId))) continue;
             completionStatus = CompletionStatus.INVALID_ADDRESS;
             invalidFieldsCount++;
             break;
         }

         if (TextUtils.isEmpty(profile.getFullName())) {
             completionStatus = CompletionStatus.INVALID_RECIPIENT;
             invalidFieldsCount++;
         }

         if (invalidFieldsCount > 1) {
             completionStatus = CompletionStatus.INVALID_MULTIPLE_FIELDS;
         }

         return completionStatus;
     }

     /** @return The given autofill profile field. */
     public static String getProfileField(AutofillProfile profile, int field) {
         assert profile != null;
         switch (field) {
             case AddressField.COUNTRY:
                 return profile.getCountryCode();
             case AddressField.ADMIN_AREA:
                 return profile.getRegion();
             case AddressField.LOCALITY:
                 return profile.getLocality();
             case AddressField.DEPENDENT_LOCALITY:
                 return profile.getDependentLocality();
             case AddressField.SORTING_CODE:
                 return profile.getSortingCode();
             case AddressField.POSTAL_CODE:
                 return profile.getPostalCode();
             case AddressField.STREET_ADDRESS:
                 return profile.getStreetAddress();
             case AddressField.ORGANIZATION:
                 return profile.getCompanyName();
             case AddressField.RECIPIENT:
                 return profile.getFullName();
         }

         assert false;
         return null;
     }

     /** @return The country code to use, e.g., when constructing an editor for this address. */
     public static String getCountryCode(@Nullable AutofillProfile profile) {
         if (sRegionCodePattern == null) sRegionCodePattern = Pattern.compile(REGION_CODE_PATTERN);

         return profile == null || TextUtils.isEmpty(profile.getCountryCode())
                         || !sRegionCodePattern.matcher(profile.getCountryCode()).matches()
                 ? Locale.getDefault().getCountry() : profile.getCountryCode();
     }

     /** @return The address for the merchant. */
     public PaymentAddress toPaymentAddress() {
         assert mIsComplete;
         PaymentAddress result = new PaymentAddress();

         result.country = getCountryCode(mProfile);
         result.addressLine = mProfile.getStreetAddress().split("\n");
         result.region = mProfile.getRegion();
         result.city = mProfile.getLocality();
         result.dependentLocality = mProfile.getDependentLocality();
         result.postalCode = mProfile.getPostalCode();
         result.sortingCode = mProfile.getSortingCode();
         result.organization = mProfile.getCompanyName();
         result.recipient = mProfile.getFullName();
         result.languageCode = "";
         result.scriptCode = "";
         result.phone = mProfile.getPhoneNumber();

         if (mProfile.getLanguageCode() == null) return result;

         if (mLanguageScriptCodePattern == null) {
             mLanguageScriptCodePattern = Pattern.compile(LANGUAGE_SCRIPT_CODE_PATTERN);
         }

         Matcher matcher = mLanguageScriptCodePattern.matcher(mProfile.getLanguageCode());
         if (matcher.matches()) {
             result.languageCode = ensureNotNull(matcher.group(LANGUAGE_CODE_GROUP));
             result.scriptCode = ensureNotNull(matcher.group(SCRIPT_CODE_GROUP));
         }

         return result;
     }

     private static String ensureNotNull(@Nullable String value) {
         return value == null ? "" : value;
     }
 }
	// Copyright 2016 The Chromium Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	package org.chromium.chrome.browser.payments;

	import android.content.Context;
	import android.support.annotation.IntDef;
	import android.support.annotation.Nullable;
	import android.telephony.PhoneNumberUtils;
	import android.text.TextUtils;
	import android.util.Pair;

	import org.chromium.chrome.R;
	import org.chromium.chrome.browser.autofill.PersonalDataManager;
	import org.chromium.chrome.browser.autofill.PersonalDataManager.AutofillProfile;
	import org.chromium.chrome.browser.preferences.autofill.AutofillProfileBridge;
	import org.chromium.chrome.browser.preferences.autofill.AutofillProfileBridge.AddressField;
	import org.chromium.chrome.browser.widget.prefeditor.EditableOption;
	import org.chromium.payments.mojom.PaymentAddress;

	import java.lang.annotation.Retention;
	import java.lang.annotation.RetentionPolicy;
	import java.util.List;
	import java.util.Locale;
	import java.util.regex.Matcher;
	import java.util.regex.Pattern;

	/**
	* The locally stored autofill address.
	*/
	public class AutofillAddress extends EditableOption {
	/** The pattern for a valid region code. */
	private static final String REGION_CODE_PATTERN = "^[A-Z]{2}$";

	// Language/script code pattern and capture group numbers.
	private static final String LANGUAGE_SCRIPT_CODE_PATTERN =
	"^([a-z]{2})(-([A-Z][a-z]{3}))?(-[A-Za-z]+)*$";
	private static final int LANGUAGE_CODE_GROUP = 1;
	private static final int SCRIPT_CODE_GROUP = 3;

	@IntDef({CompletionStatus.COMPLETE, CompletionStatus.INVALID_ADDRESS,
	CompletionStatus.INVALID_PHONE_NUMBER, CompletionStatus.INVALID_RECIPIENT,
	CompletionStatus.INVALID_MULTIPLE_FIELDS})
	@Retention(RetentionPolicy.SOURCE)
	public @interface CompletionStatus {
	/** Can be sent to the merchant as-is without editing first. */
	int COMPLETE = 0;
	/** The address is invalid. For example, missing state or city name. */
	int INVALID_ADDRESS = 1;
	/** The phone number is invalid or missing. */
	int INVALID_PHONE_NUMBER = 2;
	/** The recipient is missing. */
	int INVALID_RECIPIENT = 3;
	/** Multiple fields are invalid or missing. */
	int INVALID_MULTIPLE_FIELDS = 4;
	}

	@IntDef({CompletenessCheckType.NORMAL, CompletenessCheckType.IGNORE_PHONE})
	@Retention(RetentionPolicy.SOURCE)
	public @interface CompletenessCheckType {
	/** A normal completeness check. */
	int NORMAL = 0;
	/** A completeness check that ignores phone numbers. */
	int IGNORE_PHONE = 1;
	}

	@Nullable private static Pattern sRegionCodePattern;

	private Context mContext;
	private AutofillProfile mProfile;
	@Nullable private Pattern mLanguageScriptCodePattern;
	@Nullable private String mShippingLabelWithCountry;
	@Nullable private String mShippingLabelWithoutCountry;
	@Nullable private String mBillingLabel;

	/**
	* Builds the autofill address.
	*
	* @param profile The autofill profile containing the address information.
	*/
	public AutofillAddress(Context context, AutofillProfile profile) {
	super(profile.getGUID(), profile.getFullName(), profile.getLabel(),
	profile.getPhoneNumber(), null);
	mContext = context;
	mProfile = profile;
	mIsEditable = true;
	checkAndUpdateAddressCompleteness();
	}

	/** @return The autofill profile where this address data lives. */
	public AutofillProfile getProfile() {
	return mProfile;
	}

	/**
	* Updates the address and marks it "complete." Called after the user has edited this address.
	* Updates the identifier and labels.
	*
	* @param profile The new profile to use.
	*/
	public void completeAddress(AutofillProfile profile) {
	// Since the profile changed, our cached labels are now out of date. Set them to null so the
	// labels are recomputed next time they are needed.
	mShippingLabelWithCountry = null;
	mShippingLabelWithoutCountry = null;
	mBillingLabel = null;

	mProfile = profile;
	updateIdentifierAndLabels(mProfile.getGUID(), mProfile.getFullName(), mProfile.getLabel(),
	mProfile.getPhoneNumber());
	checkAndUpdateAddressCompleteness();
	assert mIsComplete;
	}

	/**
	* Gets the shipping address label which includes the country for the profile associated with
	* this address and sets it as sublabel for this EditableOption.
	*/
	public void setShippingAddressLabelWithCountry() {
	assert mProfile != null;

	if (mShippingLabelWithCountry == null) {
	mShippingLabelWithCountry =
	PersonalDataManager.getInstance()
	.getShippingAddressLabelWithCountryForPaymentRequest(mProfile);
	}

	mProfile.setLabel(mShippingLabelWithCountry);
	updateSublabel(mProfile.getLabel());
	}

	/**
	* Gets the shipping address label which does not include the country for the profile associated
	* with this address and sets it as sublabel for this EditableOption.
	*/
	public void setShippingAddressLabelWithoutCountry() {
	assert mProfile != null;

	if (mShippingLabelWithoutCountry == null) {
	mShippingLabelWithoutCountry =
	PersonalDataManager.getInstance()
	.getShippingAddressLabelWithoutCountryForPaymentRequest(mProfile);
	}

	mProfile.setLabel(mShippingLabelWithoutCountry);
	updateSublabel(mProfile.getLabel());
	}

	/*
	* Gets the billing address label for the profile associated with this address and sets it as
	* sublabel for this EditableOption.
	*/
	public void setBillingAddressLabel() {
	assert mProfile != null;

	if (mBillingLabel == null) {
	mBillingLabel =
	PersonalDataManager.getInstance().getBillingAddressLabelForPaymentRequest(
	mProfile);
	}

	mProfile.setLabel(mBillingLabel);
	updateSublabel(mProfile.getLabel());
	}

	/**
	* Checks whether this address is complete and updates edit message, edit title and complete
	* status.
	*/
	private void checkAndUpdateAddressCompleteness() {
	Pair<Integer, Integer> messageResIds = getEditMessageAndTitleResIds(
	checkAddressCompletionStatus(mProfile, CompletenessCheckType.NORMAL));

	mEditMessage = messageResIds.first.intValue() == 0
	? null
	: mContext.getString(messageResIds.first);
	mEditTitle = messageResIds.second.intValue() == 0
	? null
	: mContext.getString(messageResIds.second);
	mIsComplete = mEditMessage == null;
	}

	/**
	* Gets the edit message and title resource Ids for the completion status.
	*
	* @param completionStatus The completion status.
	* @return The resource Ids. The first is the edit message resource Id. The second is the
	* correspond editor title resource Id.
	*/
	public static Pair<Integer, Integer> getEditMessageAndTitleResIds(
	@CompletionStatus int completionStatus) {
	int editMessageResId = 0;
	int editTitleResId = 0;

	switch (completionStatus) {
	case CompletionStatus.COMPLETE:
	editTitleResId = R.string.payments_edit_address;
	break;
	case CompletionStatus.INVALID_ADDRESS:
	editMessageResId = R.string.payments_invalid_address;
	editTitleResId = R.string.payments_add_valid_address;
	break;
	case CompletionStatus.INVALID_PHONE_NUMBER:
	editMessageResId = R.string.payments_phone_number_required;
	editTitleResId = R.string.payments_add_phone_number;
	break;
	case CompletionStatus.INVALID_RECIPIENT:
	editMessageResId = R.string.payments_recipient_required;
	editTitleResId = R.string.payments_add_recipient;
	break;
	case CompletionStatus.INVALID_MULTIPLE_FIELDS:
	editMessageResId = R.string.payments_more_information_required;
	editTitleResId = R.string.payments_add_more_information;
	break;
	default:
	assert false : "Invalid completion status";
	}

	return new Pair<Integer, Integer>(editMessageResId, editTitleResId);
	}

	/**
	* Checks address completion status in the given profile.
	*
	* If the country code is not set or invalid, but all fields for the default locale's country
	* code are present, then the profile is deemed "complete." AutoflllAddress.toPaymentAddress()
	* will use the default locale to fill in a blank country code before sending the address to the
	* renderer.
	*
	* @param profile The autofill profile containing the address information.
	* @return int The completion status.
	*/
	@CompletionStatus
	public static int checkAddressCompletionStatus(
	AutofillProfile profile, @CompletenessCheckType int checkType) {
	int invalidFieldsCount = 0;
	@CompletionStatus
	int completionStatus = CompletionStatus.COMPLETE;

	if (checkType != CompletenessCheckType.IGNORE_PHONE
	&& !PhoneNumberUtils.isGlobalPhoneNumber(
	PhoneNumberUtils.stripSeparators(profile.getPhoneNumber().toString()))) {
	completionStatus = CompletionStatus.INVALID_PHONE_NUMBER;
	invalidFieldsCount++;
	}

	List<Integer> requiredFields = AutofillProfileBridge.getRequiredAddressFields(
	AutofillAddress.getCountryCode(profile));
	for (int fieldId : requiredFields) {
	if (fieldId == AddressField.RECIPIENT \|\| fieldId == AddressField.COUNTRY) continue;
	if (!TextUtils.isEmpty(getProfileField(profile, fieldId))) continue;
	completionStatus = CompletionStatus.INVALID_ADDRESS;
	invalidFieldsCount++;
	break;
	}

	if (TextUtils.isEmpty(profile.getFullName())) {
	completionStatus = CompletionStatus.INVALID_RECIPIENT;
	invalidFieldsCount++;
	}

	if (invalidFieldsCount > 1) {
	completionStatus = CompletionStatus.INVALID_MULTIPLE_FIELDS;
	}

	return completionStatus;
	}

	/** @return The given autofill profile field. */
	public static String getProfileField(AutofillProfile profile, int field) {
	assert profile != null;
	switch (field) {
	case AddressField.COUNTRY:
	return profile.getCountryCode();
	case AddressField.ADMIN_AREA:
	return profile.getRegion();
	case AddressField.LOCALITY:
	return profile.getLocality();
	case AddressField.DEPENDENT_LOCALITY:
	return profile.getDependentLocality();
	case AddressField.SORTING_CODE:
	return profile.getSortingCode();
	case AddressField.POSTAL_CODE:
	return profile.getPostalCode();
	case AddressField.STREET_ADDRESS:
	return profile.getStreetAddress();
	case AddressField.ORGANIZATION:
	return profile.getCompanyName();
	case AddressField.RECIPIENT:
	return profile.getFullName();
	}

	assert false;
	return null;
	}

	/** @return The country code to use, e.g., when constructing an editor for this address. */
	public static String getCountryCode(@Nullable AutofillProfile profile) {
	if (sRegionCodePattern == null) sRegionCodePattern = Pattern.compile(REGION_CODE_PATTERN);

	return profile == null \|\| TextUtils.isEmpty(profile.getCountryCode())
	\|\| !sRegionCodePattern.matcher(profile.getCountryCode()).matches()
	? Locale.getDefault().getCountry() : profile.getCountryCode();
	}

	/** @return The address for the merchant. */
	public PaymentAddress toPaymentAddress() {
	assert mIsComplete;
	PaymentAddress result = new PaymentAddress();

	result.country = getCountryCode(mProfile);
	result.addressLine = mProfile.getStreetAddress().split("\n");
	result.region = mProfile.getRegion();
	result.city = mProfile.getLocality();
	result.dependentLocality = mProfile.getDependentLocality();
	result.postalCode = mProfile.getPostalCode();
	result.sortingCode = mProfile.getSortingCode();
	result.organization = mProfile.getCompanyName();
	result.recipient = mProfile.getFullName();
	result.languageCode = "";
	result.scriptCode = "";
	result.phone = mProfile.getPhoneNumber();

	if (mProfile.getLanguageCode() == null) return result;

	if (mLanguageScriptCodePattern == null) {
	mLanguageScriptCodePattern = Pattern.compile(LANGUAGE_SCRIPT_CODE_PATTERN);
	}

	Matcher matcher = mLanguageScriptCodePattern.matcher(mProfile.getLanguageCode());
	if (matcher.matches()) {
	result.languageCode = ensureNotNull(matcher.group(LANGUAGE_CODE_GROUP));
	result.scriptCode = ensureNotNull(matcher.group(SCRIPT_CODE_GROUP));
	}

	return result;
	}

	private static String ensureNotNull(@Nullable String value) {
	return value == null ? "" : value;
	}
	}