| /* |
| * 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.content.Context; |
| import android.content.res.Resources; |
| import android.content.res.XmlResourceParser; |
| import android.os.Bundle; |
| import android.util.Log; |
| import android.util.SparseArray; |
| |
| import com.android.messaging.R; |
| |
| /** |
| * The default implementation of loader for carrier config values |
| */ |
| class DefaultCarrierConfigValuesLoader implements CarrierConfigValuesLoader { |
| /* |
| * Key types |
| */ |
| public static final String KEY_TYPE_INT = "int"; |
| public static final String KEY_TYPE_BOOL = "bool"; |
| public static final String KEY_TYPE_STRING = "string"; |
| |
| private final Context mContext; |
| |
| // Cached values for subIds |
| private final SparseArray<Bundle> mValuesCache; |
| |
| DefaultCarrierConfigValuesLoader(final Context context) { |
| mContext = context; |
| mValuesCache = new SparseArray<>(); |
| } |
| |
| @Override |
| public Bundle get(int subId) { |
| subId = Utils.getEffectiveSubscriptionId(subId); |
| Bundle values; |
| boolean didLoad = false; |
| synchronized (this) { |
| values = mValuesCache.get(subId); |
| if (values == null) { |
| values = new Bundle(); |
| mValuesCache.put(subId, values); |
| loadLocked(subId, values); |
| didLoad = true; |
| } |
| } |
| if (didLoad) { |
| Log.i(MmsService.TAG, "Carrier configs loaded: " + values); |
| } |
| return values; |
| } |
| |
| private void loadLocked(final int subId, final Bundle values) { |
| // For K and earlier, load from resources |
| loadFromResources(subId, values); |
| if (Utils.hasMmsApi()) { |
| // For L and later, also load from system MMS service |
| loadFromSystem(subId, values); |
| } |
| } |
| |
| /** |
| * Load from system, using MMS API |
| * |
| * @param subId which SIM to load for |
| * @param values the result to add to |
| */ |
| private static void loadFromSystem(final int subId, final Bundle values) { |
| try { |
| final Bundle systemValues = Utils.getSmsManager(subId).getCarrierConfigValues(); |
| if (systemValues != null) { |
| values.putAll(systemValues); |
| } |
| } catch (final Exception e) { |
| Log.w(MmsService.TAG, "Calling system getCarrierConfigValues exception", e); |
| } |
| } |
| |
| private void loadFromResources(final int subId, final Bundle values) { |
| // Get a subscription-dependent context for loading the mms_config.xml |
| final Context subContext = Utils.getSubDepContext(mContext, subId); |
| XmlResourceParser xml = null; |
| try { |
| xml = subContext.getResources().getXml(R.xml.mms_config); |
| new CarrierConfigXmlParser(xml, new CarrierConfigXmlParser.KeyValueProcessor() { |
| @Override |
| public void process(String type, String key, String value) { |
| try { |
| if (KEY_TYPE_INT.equals(type)) { |
| values.putInt(key, Integer.parseInt(value)); |
| } else if (KEY_TYPE_BOOL.equals(type)) { |
| values.putBoolean(key, Boolean.parseBoolean(value)); |
| } else if (KEY_TYPE_STRING.equals(type)) { |
| values.putString(key, value); |
| } |
| } catch (final NumberFormatException e) { |
| Log.w(MmsService.TAG, "Load carrier value from resources: " |
| + "invalid " + key + "," + value + "," + type); |
| } |
| } |
| }).parse(); |
| } catch (final Resources.NotFoundException e) { |
| Log.w(MmsService.TAG, "Can not get mms_config.xml"); |
| } finally { |
| if (xml != null) { |
| xml.close(); |
| } |
| } |
| } |
| } |