b2f5e3190e
* Remove redundant casts * getParcelable(ArrayList|Exra) without class argument is deprecated * ViewPager.setOnPageChangeListener -> addOnPageChangeListener * RecyclerView.setOnScrollListener -> addOnScrollListener * Remove unused initializations * Remove unused code Change-Id: I21beb6c90c675a4f2cfd7e3d5ebbd18b745f5911
597 lines
22 KiB
Java
597 lines
22 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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* Copyright (C) 2024 The LineageOS Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.messaging.sms;
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import android.content.ContentValues;
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import android.content.Context;
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import android.database.Cursor;
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import android.database.sqlite.SQLiteDatabase;
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import android.database.sqlite.SQLiteException;
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import android.net.Uri;
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import android.provider.Telephony;
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import android.support.v7.mms.ApnSettingsLoader;
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import android.support.v7.mms.MmsManager;
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import android.text.TextUtils;
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import android.util.SparseArray;
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import com.android.messaging.datamodel.data.ParticipantData;
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import com.android.messaging.mmslib.SqliteWrapper;
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import com.android.messaging.util.LogUtil;
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import com.android.messaging.util.PhoneUtils;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.util.ArrayList;
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import java.util.List;
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/*
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* APN loader for default SMS SIM
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* This loader tries to load APNs from 3 sources in order:
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* 1. System APN table
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* 2. Local APN table
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*/
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public class BugleApnSettingsLoader implements ApnSettingsLoader {
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/**
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* The base implementation of an APN
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*/
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private static class BaseApn implements Apn {
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/**
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* Create a base APN from parameters
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*
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* @param typesIn the APN type field
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* @param mmscIn the APN mmsc field
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* @param proxyIn the APN mmsproxy field
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* @param portIn the APN mmsport field
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* @return an instance of base APN, or null if any of the parameter is invalid
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*/
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public static BaseApn from(final String typesIn, final String mmscIn, final String proxyIn,
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final String portIn) {
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if (!isValidApnType(trimWithNullCheck(typesIn), APN_TYPE_MMS)) {
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return null;
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}
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String mmsc = trimWithNullCheck(mmscIn);
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if (TextUtils.isEmpty(mmsc)) {
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return null;
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}
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mmsc = trimV4AddrZeros(mmsc);
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try {
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new URI(mmsc);
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} catch (final URISyntaxException e) {
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return null;
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}
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String mmsProxy = trimWithNullCheck(proxyIn);
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int mmsProxyPort = 80;
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if (!TextUtils.isEmpty(mmsProxy)) {
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mmsProxy = trimV4AddrZeros(mmsProxy);
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final String portString = trimWithNullCheck(portIn);
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if (portString != null) {
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try {
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mmsProxyPort = Integer.parseInt(portString);
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} catch (final NumberFormatException e) {
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// Ignore, just use 80 to try
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}
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}
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}
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return new BaseApn(mmsc, mmsProxy, mmsProxyPort);
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}
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private final String mMmsc;
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private final String mMmsProxy;
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private final int mMmsProxyPort;
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public BaseApn(final String mmsc, final String proxy, final int port) {
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mMmsc = mmsc;
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mMmsProxy = proxy;
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mMmsProxyPort = port;
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}
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@Override
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public String getMmsc() {
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return mMmsc;
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}
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@Override
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public String getMmsProxy() {
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return mMmsProxy;
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}
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@Override
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public int getMmsProxyPort() {
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return mMmsProxyPort;
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}
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@Override
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public void setSuccess() {
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// Do nothing
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}
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public boolean equals(final BaseApn other) {
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return TextUtils.equals(mMmsc, other.getMmsc()) &&
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TextUtils.equals(mMmsProxy, other.getMmsProxy()) &&
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mMmsProxyPort == other.getMmsProxyPort();
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}
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}
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/**
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* The APN represented by the local APN table row
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*/
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private static class DatabaseApn implements Apn {
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private static final ContentValues CURRENT_NULL_VALUE;
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private static final ContentValues CURRENT_SET_VALUE;
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static {
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CURRENT_NULL_VALUE = new ContentValues(1);
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CURRENT_NULL_VALUE.putNull(Telephony.Carriers.CURRENT);
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CURRENT_SET_VALUE = new ContentValues(1);
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CURRENT_SET_VALUE.put(Telephony.Carriers.CURRENT, "1"); // 1 for auto selected APN
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}
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private static final String CLEAR_UPDATE_SELECTION = Telephony.Carriers.CURRENT + " =?";
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private static final String[] CLEAR_UPDATE_SELECTION_ARGS = new String[] { "1" };
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private static final String SET_UPDATE_SELECTION = Telephony.Carriers._ID + " =?";
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/**
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* Create an APN loaded from local database
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*
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* @param apns the in-memory APN list
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* @param typesIn the APN type field
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* @param mmscIn the APN mmsc field
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* @param proxyIn the APN mmsproxy field
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* @param portIn the APN mmsport field
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* @param rowId the APN's row ID in database
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* @param current the value of CURRENT column in database
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* @return an in-memory APN instance for database APN row, null if parameter invalid
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*/
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public static DatabaseApn from(final List<Apn> apns, final String typesIn,
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final String mmscIn, final String proxyIn, final String portIn,
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final long rowId, final int current) {
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if (apns == null) {
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return null;
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}
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final BaseApn base = BaseApn.from(typesIn, mmscIn, proxyIn, portIn);
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if (base == null) {
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return null;
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}
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for (final ApnSettingsLoader.Apn apn : apns) {
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if (apn instanceof DatabaseApn && ((DatabaseApn) apn).equals(base)) {
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return null;
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}
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}
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return new DatabaseApn(apns, base, rowId, current);
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}
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private final List<Apn> mApns;
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private final BaseApn mBase;
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private final long mRowId;
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private int mCurrent;
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public DatabaseApn(final List<Apn> apns, final BaseApn base, final long rowId,
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final int current) {
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mApns = apns;
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mBase = base;
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mRowId = rowId;
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mCurrent = current;
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}
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@Override
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public String getMmsc() {
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return mBase.getMmsc();
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}
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@Override
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public String getMmsProxy() {
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return mBase.getMmsProxy();
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}
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@Override
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public int getMmsProxyPort() {
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return mBase.getMmsProxyPort();
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}
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@Override
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public void setSuccess() {
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moveToListHead();
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setCurrentInDatabase();
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}
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/**
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* Try to move this APN to the head of in-memory list
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*/
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private void moveToListHead() {
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// If this is being marked as a successful APN, move it to the top of the list so
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// next time it will be tried first
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boolean moved = false;
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synchronized (mApns) {
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if (mApns.get(0) != this) {
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mApns.remove(this);
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mApns.add(0, this);
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moved = true;
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}
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}
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if (moved) {
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LogUtil.d(LogUtil.BUGLE_TAG, "Set APN ["
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+ "MMSC=" + getMmsc() + ", "
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+ "PROXY=" + getMmsProxy() + ", "
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+ "PORT=" + getMmsProxyPort() + "] to be first");
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}
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}
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/**
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* Try to set the APN to be CURRENT in its database table
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*/
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private void setCurrentInDatabase() {
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synchronized (this) {
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if (mCurrent > 0) {
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// Already current
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return;
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}
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mCurrent = 1;
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}
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LogUtil.d(LogUtil.BUGLE_TAG, "Set APN @" + mRowId + " to be CURRENT in local db");
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final SQLiteDatabase database = ApnDatabase.getApnDatabase().getWritableDatabase();
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database.beginTransaction();
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try {
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// clear the previous current=1 apn
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// we don't clear current=2 apn since it is manually selected by user
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// and we should not override it.
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database.update(ApnDatabase.APN_TABLE, CURRENT_NULL_VALUE,
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CLEAR_UPDATE_SELECTION, CLEAR_UPDATE_SELECTION_ARGS);
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// set this one to be current (1)
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database.update(ApnDatabase.APN_TABLE, CURRENT_SET_VALUE, SET_UPDATE_SELECTION,
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new String[] { Long.toString(mRowId) });
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database.setTransactionSuccessful();
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} finally {
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database.endTransaction();
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}
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}
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public boolean equals(final BaseApn other) {
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if (other == null) {
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return false;
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}
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return mBase.equals(other);
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}
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}
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/**
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* APN_TYPE_ALL is a special type to indicate that this APN entry can
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* service all data connections.
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*/
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public static final String APN_TYPE_ALL = "*";
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/** APN type for MMS traffic */
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public static final String APN_TYPE_MMS = "mms";
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private static final String[] APN_PROJECTION_SYSTEM = {
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Telephony.Carriers.TYPE,
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Telephony.Carriers.MMSC,
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Telephony.Carriers.MMSPROXY,
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Telephony.Carriers.MMSPORT,
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};
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private static final String[] APN_PROJECTION_LOCAL = {
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Telephony.Carriers.TYPE,
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Telephony.Carriers.MMSC,
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Telephony.Carriers.MMSPROXY,
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Telephony.Carriers.MMSPORT,
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Telephony.Carriers.CURRENT,
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Telephony.Carriers._ID,
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};
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private static final int COLUMN_TYPE = 0;
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private static final int COLUMN_MMSC = 1;
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private static final int COLUMN_MMSPROXY = 2;
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private static final int COLUMN_MMSPORT = 3;
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private static final int COLUMN_CURRENT = 4;
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private static final int COLUMN_ID = 5;
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private static final String SELECTION_APN = Telephony.Carriers.APN + "=?";
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private static final String SELECTION_CURRENT = Telephony.Carriers.CURRENT + " IS NOT NULL";
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private static final String SELECTION_NUMERIC = Telephony.Carriers.NUMERIC + "=?";
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private static final String ORDER_BY = Telephony.Carriers.CURRENT + " DESC";
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private final Context mContext;
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// Cached APNs for subIds
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private final SparseArray<List<ApnSettingsLoader.Apn>> mApnsCache;
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public BugleApnSettingsLoader(final Context context) {
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mContext = context;
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mApnsCache = new SparseArray<>();
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}
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@Override
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public List<ApnSettingsLoader.Apn> get(final String apnName) {
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final int subId = PhoneUtils.getDefault().getEffectiveSubId(
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ParticipantData.DEFAULT_SELF_SUB_ID);
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List<ApnSettingsLoader.Apn> apns;
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boolean didLoad = false;
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synchronized (this) {
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apns = mApnsCache.get(subId);
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if (apns == null) {
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apns = new ArrayList<>();
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mApnsCache.put(subId, apns);
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loadLocked(subId, apnName, apns);
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didLoad = true;
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}
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}
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if (didLoad) {
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LogUtil.i(LogUtil.BUGLE_TAG, "Loaded " + apns.size() + " APNs");
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}
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return apns;
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}
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private void loadLocked(final int subId, final String apnName, final List<Apn> apns) {
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// Try system APN table
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loadFromSystem(subId, apnName, apns);
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if (apns.size() > 0) {
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return;
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}
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// Try local APN table
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loadFromLocalDatabase(apnName, apns);
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if (apns.size() <= 0) {
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LogUtil.w(LogUtil.BUGLE_TAG, "Failed to load any APN");
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}
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}
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/**
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* Load matching APNs from telephony provider.
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* We try different combinations of the query to work around some platform quirks.
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*
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* @param subId the SIM subId
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* @param apnName the APN name to match
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* @param apns the list used to return results
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*/
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private void loadFromSystem(final int subId, final String apnName, final List<Apn> apns) {
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Uri uri;
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if (subId != MmsManager.DEFAULT_SUB_ID) {
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uri = Uri.withAppendedPath(Telephony.Carriers.CONTENT_URI, "/subId/" + subId);
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} else {
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uri = Telephony.Carriers.CONTENT_URI;
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}
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Cursor cursor;
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try {
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for (; ; ) {
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// Try different combinations of queries. Some would work on some platforms.
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// So we query each combination until we find one returns non-empty result.
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cursor = querySystem(uri, true/*checkCurrent*/, apnName);
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if (cursor != null) {
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break;
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}
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cursor = querySystem(uri, false/*checkCurrent*/, apnName);
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if (cursor != null) {
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break;
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}
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cursor = querySystem(uri, true/*checkCurrent*/, null/*apnName*/);
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if (cursor != null) {
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break;
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}
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cursor = querySystem(uri, false/*checkCurrent*/, null/*apnName*/);
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break;
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}
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} catch (final SecurityException e) {
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// Can't access platform APN table, return directly
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return;
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}
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if (cursor == null) {
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return;
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}
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try {
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if (cursor.moveToFirst()) {
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final ApnSettingsLoader.Apn apn = BaseApn.from(
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cursor.getString(COLUMN_TYPE),
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cursor.getString(COLUMN_MMSC),
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cursor.getString(COLUMN_MMSPROXY),
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cursor.getString(COLUMN_MMSPORT));
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if (apn != null) {
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apns.add(apn);
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}
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}
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} finally {
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cursor.close();
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}
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}
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/**
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* Query system APN table
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*
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* @param uri The APN query URL to use
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* @param checkCurrent If add "CURRENT IS NOT NULL" condition
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* @param apnName The optional APN name for query condition
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* @return A cursor of the query result. If a cursor is returned as not null, it is
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* guaranteed to contain at least one row.
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*/
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private Cursor querySystem(final Uri uri, final boolean checkCurrent, String apnName) {
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LogUtil.i(LogUtil.BUGLE_TAG, "Loading APNs from system, "
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+ "checkCurrent=" + checkCurrent + " apnName=" + apnName);
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final StringBuilder selectionBuilder = new StringBuilder();
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String[] selectionArgs = null;
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if (checkCurrent) {
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selectionBuilder.append(SELECTION_CURRENT);
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}
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apnName = trimWithNullCheck(apnName);
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if (!TextUtils.isEmpty(apnName)) {
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if (selectionBuilder.length() > 0) {
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selectionBuilder.append(" AND ");
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}
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selectionBuilder.append(SELECTION_APN);
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selectionArgs = new String[] { apnName };
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}
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try {
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final Cursor cursor = SqliteWrapper.query(
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mContext,
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mContext.getContentResolver(),
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uri,
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APN_PROJECTION_SYSTEM,
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selectionBuilder.toString(),
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selectionArgs,
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null/*sortOrder*/);
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if (cursor == null || cursor.getCount() < 1) {
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if (cursor != null) {
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cursor.close();
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}
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LogUtil.w(LogUtil.BUGLE_TAG, "Query " + uri + " with apn " + apnName + " and "
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+ (checkCurrent ? "checking CURRENT" : "not checking CURRENT")
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+ " returned empty");
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return null;
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}
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return cursor;
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} catch (final SQLiteException e) {
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LogUtil.w(LogUtil.BUGLE_TAG, "APN table query exception: " + e);
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} catch (final SecurityException e) {
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LogUtil.w(LogUtil.BUGLE_TAG, "Platform restricts APN table access: " + e);
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throw e;
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}
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return null;
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}
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/**
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* Load matching APNs from local APN table.
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* We try both using the APN name and not using the APN name.
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*
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* @param apnName the APN name
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* @param apns the list of results to return
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*/
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private void loadFromLocalDatabase(final String apnName, final List<Apn> apns) {
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LogUtil.i(LogUtil.BUGLE_TAG, "Loading APNs from local APN table");
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final SQLiteDatabase database = ApnDatabase.getApnDatabase().getWritableDatabase();
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final String mccMnc = PhoneUtils.getMccMncString(PhoneUtils.getDefault().getMccMnc());
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Cursor cursor;
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cursor = queryLocalDatabase(database, mccMnc, apnName);
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if (cursor == null) {
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cursor = queryLocalDatabase(database, mccMnc, null/*apnName*/);
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}
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if (cursor == null) {
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LogUtil.w(LogUtil.BUGLE_TAG, "Could not find any APN in local table");
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return;
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}
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try {
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while (cursor.moveToNext()) {
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final Apn apn = DatabaseApn.from(apns,
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cursor.getString(COLUMN_TYPE),
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cursor.getString(COLUMN_MMSC),
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cursor.getString(COLUMN_MMSPROXY),
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cursor.getString(COLUMN_MMSPORT),
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cursor.getLong(COLUMN_ID),
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cursor.getInt(COLUMN_CURRENT));
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if (apn != null) {
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apns.add(apn);
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}
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}
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} finally {
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cursor.close();
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}
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}
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/**
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* Make a query of local APN table based on MCC/MNC and APN name, sorted by CURRENT
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* column in descending order
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*
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* @param db the local database
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* @param numeric the MCC/MNC string
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* @param apnName the optional APN name to match
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* @return the cursor of the query, null if no result
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*/
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private static Cursor queryLocalDatabase(final SQLiteDatabase db, final String numeric,
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|
final String apnName) {
|
|
final String selection;
|
|
final String[] selectionArgs;
|
|
if (TextUtils.isEmpty(apnName)) {
|
|
selection = SELECTION_NUMERIC;
|
|
selectionArgs = new String[] { numeric };
|
|
} else {
|
|
selection = SELECTION_NUMERIC + " AND " + SELECTION_APN;
|
|
selectionArgs = new String[] { numeric, apnName };
|
|
}
|
|
Cursor cursor;
|
|
try {
|
|
cursor = db.query(ApnDatabase.APN_TABLE, APN_PROJECTION_LOCAL, selection, selectionArgs,
|
|
null/*groupBy*/, null/*having*/, ORDER_BY, null/*limit*/);
|
|
} catch (final SQLiteException e) {
|
|
LogUtil.w(LogUtil.BUGLE_TAG, "Local APN table does not exist. Try rebuilding.", e);
|
|
ApnDatabase.forceBuildAndLoadApnTables();
|
|
cursor = db.query(ApnDatabase.APN_TABLE, APN_PROJECTION_LOCAL, selection, selectionArgs,
|
|
null/*groupBy*/, null/*having*/, ORDER_BY, null/*limit*/);
|
|
}
|
|
if (cursor == null || cursor.getCount() < 1) {
|
|
if (cursor != null) {
|
|
cursor.close();
|
|
}
|
|
LogUtil.w(LogUtil.BUGLE_TAG, "Query local APNs with apn " + apnName
|
|
+ " returned empty");
|
|
return null;
|
|
}
|
|
return cursor;
|
|
}
|
|
|
|
private static String trimWithNullCheck(final String value) {
|
|
return value != null ? value.trim() : null;
|
|
}
|
|
|
|
/**
|
|
* Trim leading zeros from IPv4 address strings
|
|
* Our base libraries will interpret that as octel..
|
|
* Must leave non v4 addresses and host names alone.
|
|
* For example, 192.168.000.010 -> 192.168.0.10
|
|
*
|
|
* @param addr a string representing an ip addr
|
|
* @return a string propertly trimmed
|
|
*/
|
|
private static String trimV4AddrZeros(final String addr) {
|
|
if (addr == null) {
|
|
return null;
|
|
}
|
|
final String[] octets = addr.split("\\.");
|
|
if (octets.length != 4) {
|
|
return addr;
|
|
}
|
|
final StringBuilder builder = new StringBuilder(16);
|
|
String result;
|
|
for (int i = 0; i < 4; i++) {
|
|
try {
|
|
if (octets[i].length() > 3) {
|
|
return addr;
|
|
}
|
|
builder.append(Integer.parseInt(octets[i]));
|
|
} catch (final NumberFormatException e) {
|
|
return addr;
|
|
}
|
|
if (i < 3) {
|
|
builder.append('.');
|
|
}
|
|
}
|
|
result = builder.toString();
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Check if the APN contains the APN type we want
|
|
*
|
|
* @param types The string encodes a list of supported types
|
|
* @param requestType The type we want
|
|
* @return true if the input types string contains the requestType
|
|
*/
|
|
public static boolean isValidApnType(final String types, final String requestType) {
|
|
// If APN type is unspecified, assume APN_TYPE_ALL.
|
|
if (TextUtils.isEmpty(types)) {
|
|
return true;
|
|
}
|
|
for (final String t : types.split(",")) {
|
|
if (t.equals(requestType) || t.equals(APN_TYPE_ALL)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
}
|