| /* |
| * Copyright (C) 2009 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.internal.telephony.uicc; |
| |
| import java.io.File; |
| import java.io.FileNotFoundException; |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.util.HashMap; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| |
| import android.os.Environment; |
| import android.telephony.Rlog; |
| import android.util.Xml; |
| |
| import com.android.internal.util.XmlUtils; |
| |
| public class SpnOverride { |
| private HashMap<String, String> mCarrierSpnMap; |
| |
| |
| static final String LOG_TAG = "SpnOverride"; |
| static final String PARTNER_SPN_OVERRIDE_PATH ="etc/spn-conf.xml"; |
| static final String OEM_SPN_OVERRIDE_PATH = "telephony/spn-conf.xml"; |
| |
| SpnOverride () { |
| mCarrierSpnMap = new HashMap<String, String>(); |
| loadSpnOverrides(); |
| } |
| |
| boolean containsCarrier(String carrier) { |
| return mCarrierSpnMap.containsKey(carrier); |
| } |
| |
| String getSpn(String carrier) { |
| return mCarrierSpnMap.get(carrier); |
| } |
| |
| private void loadSpnOverrides() { |
| FileReader spnReader; |
| |
| File spnFile = new File(Environment.getRootDirectory(), |
| PARTNER_SPN_OVERRIDE_PATH); |
| File oemSpnFile = new File(Environment.getOemDirectory(), |
| OEM_SPN_OVERRIDE_PATH); |
| |
| if (oemSpnFile.exists()) { |
| // OEM image exist SPN xml, get the timestamp from OEM & System image for comparison. |
| long oemSpnTime = oemSpnFile.lastModified(); |
| long sysSpnTime = spnFile.lastModified(); |
| Rlog.d(LOG_TAG, "SPN Timestamp: oemTime = " + oemSpnTime + " sysTime = " + sysSpnTime); |
| |
| // To get the newer version of SPN from OEM image |
| if (oemSpnTime > sysSpnTime) { |
| Rlog.d(LOG_TAG, "SPN in OEM image is newer than System image"); |
| spnFile = oemSpnFile; |
| } |
| } else { |
| // No SPN in OEM image, so load it from system image. |
| Rlog.d(LOG_TAG, "No SPN in OEM image = " + oemSpnFile.getPath() + |
| " Load SPN from system image"); |
| } |
| |
| try { |
| spnReader = new FileReader(spnFile); |
| } catch (FileNotFoundException e) { |
| Rlog.w(LOG_TAG, "Can not open " + spnFile.getAbsolutePath()); |
| return; |
| } |
| |
| try { |
| XmlPullParser parser = Xml.newPullParser(); |
| parser.setInput(spnReader); |
| |
| XmlUtils.beginDocument(parser, "spnOverrides"); |
| |
| while (true) { |
| XmlUtils.nextElement(parser); |
| |
| String name = parser.getName(); |
| if (!"spnOverride".equals(name)) { |
| break; |
| } |
| |
| String numeric = parser.getAttributeValue(null, "numeric"); |
| String data = parser.getAttributeValue(null, "spn"); |
| |
| mCarrierSpnMap.put(numeric, data); |
| } |
| spnReader.close(); |
| } catch (XmlPullParserException e) { |
| Rlog.w(LOG_TAG, "Exception in spn-conf parser " + e); |
| } catch (IOException e) { |
| Rlog.w(LOG_TAG, "Exception in spn-conf parser " + e); |
| } |
| } |
| |
| } |