1 /* 2 * Copyright (C) 2008 Esmertec AG. 3 * Copyright (C) 2008 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package com.android.mms.util; 18 19 import android.content.Context; 20 import android.database.Cursor; 21 import android.database.sqlite.SqliteWrapper; 22 import android.net.Uri; 23 import android.provider.Telephony.Mms; 24 import android.provider.Telephony.Mms.Addr; 25 import android.text.TextUtils; 26 27 import com.android.i18n.phonenumbers.PhoneNumberUtil; 28 import com.android.mms.MmsApp; 29 import com.android.mms.R; 30 import com.google.android.mms.pdu.EncodedStringValue; 31 import com.google.android.mms.pdu.PduHeaders; 32 import com.google.android.mms.pdu.PduPersister; 33 34 public class AddressUtils { 35 private static final String TAG = "AddressUtils"; 36 private static PhoneNumberUtil mPhoneNumberUtil; 37 AddressUtils()38 private AddressUtils() { 39 // Forbidden being instantiated. 40 } 41 getFrom(Context context, Uri uri)42 public static String getFrom(Context context, Uri uri) { 43 String msgId = uri.getLastPathSegment(); 44 Uri.Builder builder = Mms.CONTENT_URI.buildUpon(); 45 46 builder.appendPath(msgId).appendPath("addr"); 47 48 Cursor cursor = SqliteWrapper.query(context, context.getContentResolver(), 49 builder.build(), new String[] {Addr.ADDRESS, Addr.CHARSET}, 50 Addr.TYPE + "=" + PduHeaders.FROM, null, null); 51 52 if (cursor != null) { 53 try { 54 if (cursor.moveToFirst()) { 55 String from = cursor.getString(0); 56 57 if (!TextUtils.isEmpty(from)) { 58 byte[] bytes = PduPersister.getBytes(from); 59 int charset = cursor.getInt(1); 60 return new EncodedStringValue(charset, bytes) 61 .getString(); 62 } 63 } 64 } finally { 65 cursor.close(); 66 } 67 } 68 return context.getString(R.string.hidden_sender_address); 69 } 70 71 /** 72 * isPossiblePhoneNumberCanDoFileAccess does a more accurate test if the input is a 73 * phone number, but it can do file access to load country prefixes and other info, so 74 * it's not safe to call from the UI thread. 75 * @param query the phone number to test 76 * @return true if query looks like a valid phone number 77 */ isPossiblePhoneNumberCanDoFileAccess(String query)78 public static boolean isPossiblePhoneNumberCanDoFileAccess(String query) { 79 String currentCountry = MmsApp.getApplication().getCurrentCountryIso().toUpperCase(); 80 if (mPhoneNumberUtil == null) { 81 mPhoneNumberUtil = PhoneNumberUtil.getInstance(); 82 } 83 return mPhoneNumberUtil.isPossibleNumber(query, currentCountry); 84 } 85 } 86