| /* |
| * Copyright (C) 2008 Esmertec AG. |
| * Copyright (C) 2008 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 com.android.mms.util; |
| |
| import android.content.Context; |
| import android.database.Cursor; |
| import android.database.sqlite.SqliteWrapper; |
| import android.net.Uri; |
| import android.provider.Telephony.Mms; |
| import android.provider.Telephony.Mms.Addr; |
| import android.text.TextUtils; |
| |
| import com.android.i18n.phonenumbers.PhoneNumberUtil; |
| import com.android.mms.MmsApp; |
| import com.android.mms.R; |
| import com.google.android.mms.pdu.EncodedStringValue; |
| import com.google.android.mms.pdu.PduHeaders; |
| import com.google.android.mms.pdu.PduPersister; |
| |
| public class AddressUtils { |
| private static final String TAG = "AddressUtils"; |
| private static PhoneNumberUtil mPhoneNumberUtil; |
| |
| private AddressUtils() { |
| // Forbidden being instantiated. |
| } |
| |
| public static String getFrom(Context context, Uri uri) { |
| String msgId = uri.getLastPathSegment(); |
| Uri.Builder builder = Mms.CONTENT_URI.buildUpon(); |
| |
| builder.appendPath(msgId).appendPath("addr"); |
| |
| Cursor cursor = SqliteWrapper.query(context, context.getContentResolver(), |
| builder.build(), new String[] {Addr.ADDRESS, Addr.CHARSET}, |
| Addr.TYPE + "=" + PduHeaders.FROM, null, null); |
| |
| if (cursor != null) { |
| try { |
| if (cursor.moveToFirst()) { |
| String from = cursor.getString(0); |
| |
| if (!TextUtils.isEmpty(from)) { |
| byte[] bytes = PduPersister.getBytes(from); |
| int charset = cursor.getInt(1); |
| return new EncodedStringValue(charset, bytes) |
| .getString(); |
| } |
| } |
| } finally { |
| cursor.close(); |
| } |
| } |
| return context.getString(R.string.hidden_sender_address); |
| } |
| |
| /** |
| * isPossiblePhoneNumberCanDoFileAccess does a more accurate test if the input is a |
| * phone number, but it can do file access to load country prefixes and other info, so |
| * it's not safe to call from the UI thread. |
| * @param query the phone number to test |
| * @return true if query looks like a valid phone number |
| */ |
| public static boolean isPossiblePhoneNumberCanDoFileAccess(String query) { |
| String currentCountry = MmsApp.getApplication().getCurrentCountryIso().toUpperCase(); |
| if (mPhoneNumberUtil == null) { |
| mPhoneNumberUtil = PhoneNumberUtil.getInstance(); |
| } |
| return mPhoneNumberUtil.isPossibleNumber(query, currentCountry); |
| } |
| } |