Make vCard exporter check invalid phone numbers and re-format them if needed.

Also add a unit test for the case.

Internal issue number: 2246410

2 files changed, 60 insertions, 6 deletions

diff --git a/core/java/android/pim/vcard/VCardComposer.java b/core/java/android/pim/vcard/VCardComposer.java
index 9d72c5f..5a14f5f 100644
--- a/core/java/android/pim/vcard/VCardComposer.java
+++ b/core/java/android/pim/vcard/VCardComposer.java
@@ -41,6 +41,7 @@ import android.provider.ContactsContract.CommonDataKinds.Photo;
 import android.provider.ContactsContract.CommonDataKinds.StructuredName;
 import android.provider.ContactsContract.CommonDataKinds.StructuredPostal;
 import android.provider.ContactsContract.CommonDataKinds.Website;
+import android.telephony.PhoneNumberUtils;
 import android.text.TextUtils;
 import android.text.format.Time;
 import android.util.CharsetUtils;
@@ -1093,13 +1094,36 @@ public class VCardComposer {
                 if (TextUtils.isEmpty(phoneNumber)) {
                     continue;
                 }
-                phoneLineExists = true;
                 int type = (typeAsObject != null ? typeAsObject : DEFAULT_PHONE_TYPE);
-                // TODO: Premature, since this allows two phone numbers which are
-                //        same from the view of phone number format (e.g. "100" v.s. "1-0-0")
-                if (!phoneSet.contains(phoneNumber)) {
-                    phoneSet.add(phoneNumber);
-                    appendVCardTelephoneLine(builder, type, label, phoneNumber, isPrimary);
+                if (type == Phone.TYPE_PAGER) {
+                    phoneLineExists = true;
+                    if (!phoneSet.contains(phoneNumber)) {
+                        phoneSet.add(phoneNumber);
+                        appendVCardTelephoneLine(builder, type, label, phoneNumber, isPrimary);
+                    }
+                } else {
+                    // The entry "may" have several phone numbers when the contact entry is
+                    // corrupted because of its original source.
+                    //
+                    // e.g. I encountered the entry like the following.
+                    // "111-222-3333 (Miami)\n444-555-6666 (Broward; 305-653-6796 (Miami); ..."
+                    // This kind of entry is not able to be inserted via Android devices, but
+                    // possible if the source of the data is already corrupted.
+                    List<String> phoneNumberList = splitIfSeveralPhoneNumbersExist(phoneNumber);
+                    if (phoneNumberList.isEmpty()) {
+                        continue;
+                    }
+                    phoneLineExists = true;
+                    for (String actualPhoneNumber : phoneNumberList) {
+                        if (!phoneSet.contains(actualPhoneNumber)) {
+                            final int format = VCardUtils.getPhoneNumberFormat(mVCardType);
+                            final String formattedPhoneNumber =
+                                    PhoneNumberUtils.formatNumber(actualPhoneNumber, format);
+                            phoneSet.add(actualPhoneNumber);
+                            appendVCardTelephoneLine(builder, type, label,
+                                    formattedPhoneNumber, isPrimary);
+                        }
+                    }
                 }
             }
         }
@@ -1109,6 +1133,27 @@ public class VCardComposer {
         }
     }
 
+    private List<String> splitIfSeveralPhoneNumbersExist(final String phoneNumber) {
+        List<String> phoneList = new ArrayList<String>();
+
+        StringBuilder builder = new StringBuilder();
+        final int length = phoneNumber.length();
+        for (int i = 0; i < length; i++) {
+            final char ch = phoneNumber.charAt(i);
+            if (Character.isDigit(ch)) {
+                builder.append(ch);
+            } else if ((ch == ';' || ch == '\n') && builder.length() > 0) {
+                phoneList.add(builder.toString());
+                builder = new StringBuilder();
+            }
+        }
+        if (builder.length() > 0) {
+            phoneList.add(builder.toString());
+        }
+
+        return phoneList;
+    }
+
     private void appendEmails(final StringBuilder builder,
             final Map<String, List<ContentValues>> contentValuesListMap) {
         final List<ContentValues> contentValuesList = contentValuesListMap
diff --git a/core/java/android/pim/vcard/VCardUtils.java b/core/java/android/pim/vcard/VCardUtils.java
index 05e6730..9e5dbb5 100644
--- a/core/java/android/pim/vcard/VCardUtils.java
+++ b/core/java/android/pim/vcard/VCardUtils.java
@@ -21,6 +21,7 @@ import android.provider.ContactsContract.Data;
 import android.provider.ContactsContract.CommonDataKinds.Im;
 import android.provider.ContactsContract.CommonDataKinds.Phone;
 import android.provider.ContactsContract.CommonDataKinds.StructuredPostal;
+import android.telephony.PhoneNumberUtils;
 import android.text.TextUtils;
 
 import java.util.ArrayList;
@@ -204,6 +205,14 @@ public class VCardUtils {
         return list;
     }
 
+    public static int getPhoneNumberFormat(final int vcardType) {
+        if (VCardConfig.isJapaneseDevice(vcardType)) {
+            return PhoneNumberUtils.FORMAT_JAPAN;
+        } else {
+            return PhoneNumberUtils.FORMAT_NANP;
+        }
+    }
+
     /**
      * Inserts postal data into the builder object.
      *