1 files changed, 54 insertions, 0 deletions
diff --git a/src/android/support/v7/mms/PhoneNumberHelper.java b/src/android/support/v7/mms/PhoneNumberHelper.java
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+++ b/src/android/support/v7/mms/PhoneNumberHelper.java
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+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.support.v7.mms;
+
+import android.text.TextUtils;
+import android.util.Log;
+
+import com.google.i18n.phonenumbers.NumberParseException;
+import com.google.i18n.phonenumbers.PhoneNumberUtil;
+import com.google.i18n.phonenumbers.Phonenumber;
+
+/**
+ * Helper methods for phone number formatting
+ * This is isolated into a standalone class since it depends on libphonenumber
+ */
+public class PhoneNumberHelper {
+    /**
+     * Given a phone number, get its national part without country code
+     *
+     * @param number the original number
+     * @param country the country ISO code
+     * @return the national number
+     */
+    static String getNumberNoCountryCode(final String number, final String country) {
+        if (!TextUtils.isEmpty(number)) {
+            final PhoneNumberUtil phoneNumberUtil = PhoneNumberUtil.getInstance();
+            try {
+                final Phonenumber.PhoneNumber phoneNumber = phoneNumberUtil.parse(number, country);
+                if (phoneNumber != null && phoneNumberUtil.isValidNumber(phoneNumber)) {
+                    return phoneNumberUtil
+                            .format(phoneNumber, PhoneNumberUtil.PhoneNumberFormat.NATIONAL)
+                            .replaceAll("\\D", "");
+                }
+            } catch (final NumberParseException e) {
+                Log.w(MmsService.TAG, "getNumberNoCountryCode: invalid number " + e);
+            }
+        }
+        return number;
+    }
+}