android-35/com/android/internal/telephony/IccProvider.java - platform/prebuilts/fullsdk/sources - Git at Google

 /*
  * Copyright (C) 2006 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;

 import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ContentProvider;
 import android.content.ContentValues;
 import android.content.UriMatcher;
 import android.database.Cursor;
 import android.database.MatrixCursor;
 import android.database.MergeCursor;
 import android.net.Uri;
 import android.os.Build;
 import android.os.RemoteException;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyFrameworkInitializer;
 import android.text.TextUtils;

 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.telephony.uicc.AdnRecord;
 import com.android.internal.telephony.uicc.IccConstants;
 import com.android.telephony.Rlog;

 import java.util.List;
 import java.util.Locale;

 /**
  * {@hide}
  */
 public class IccProvider extends ContentProvider {
     private static final String TAG = "IccProvider";
     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     private static final boolean DBG = true;


     @UnsupportedAppUsage
     private static final String[] ADDRESS_BOOK_COLUMN_NAMES = new String[] {
         "name",
         "number",
         "emails",
         "anrs",
         "_id"
     };

     protected static final int ADN = 1;
     protected static final int ADN_SUB = 2;
     protected static final int FDN = 3;
     protected static final int FDN_SUB = 4;
     protected static final int SDN = 5;
     protected static final int SDN_SUB = 6;
     protected static final int ADN_ALL = 7;

     @VisibleForTesting
     public static final String STR_TAG = "tag";
     @VisibleForTesting
     public static final String STR_NUMBER = "number";
     @VisibleForTesting
     public static final String STR_EMAILS = "emails";
     @VisibleForTesting
     public static final String STR_ANRS = "anrs";
     @VisibleForTesting
     public static final String STR_NEW_TAG = "newTag";
     @VisibleForTesting
     public static final String STR_NEW_NUMBER = "newNumber";
     @VisibleForTesting
     public static final String STR_NEW_EMAILS = "newEmails";
     @VisibleForTesting
     public static final String STR_NEW_ANRS = "newAnrs";
     @VisibleForTesting
     public static final String STR_PIN2 = "pin2";

     private static final UriMatcher URL_MATCHER =
                             new UriMatcher(UriMatcher.NO_MATCH);

     static {
         URL_MATCHER.addURI("icc", "adn", ADN);
         URL_MATCHER.addURI("icc", "adn/subId/#", ADN_SUB);
         URL_MATCHER.addURI("icc", "fdn", FDN);
         URL_MATCHER.addURI("icc", "fdn/subId/#", FDN_SUB);
         URL_MATCHER.addURI("icc", "sdn", SDN);
         URL_MATCHER.addURI("icc", "sdn/subId/#", SDN_SUB);
     }

     private SubscriptionManager mSubscriptionManager;

     @UnsupportedAppUsage
     public IccProvider() {
     }

     @Override
     public boolean onCreate() {
         mSubscriptionManager = SubscriptionManager.from(getContext());
         return true;
     }

     @Override
     public Cursor query(Uri url, String[] projection, String selection,
             String[] selectionArgs, String sort) {
         if (DBG) log("query");

         switch (URL_MATCHER.match(url)) {
             case ADN:
                 return loadFromEf(IccConstants.EF_ADN,
                         SubscriptionManager.getDefaultSubscriptionId());

             case ADN_SUB:
                 return loadFromEf(IccConstants.EF_ADN, getRequestSubId(url));

             case FDN:
                 return loadFromEf(IccConstants.EF_FDN,
                         SubscriptionManager.getDefaultSubscriptionId());

             case FDN_SUB:
                 return loadFromEf(IccConstants.EF_FDN, getRequestSubId(url));

             case SDN:
                 return loadFromEf(IccConstants.EF_SDN,
                         SubscriptionManager.getDefaultSubscriptionId());

             case SDN_SUB:
                 return loadFromEf(IccConstants.EF_SDN, getRequestSubId(url));

             case ADN_ALL:
                 return loadAllSimContacts(IccConstants.EF_ADN);

             default:
                 throw new IllegalArgumentException("Unknown URL " + url);
         }
     }

     private Cursor loadAllSimContacts(int efType) {
         Cursor [] result;
         List<SubscriptionInfo> subInfoList = mSubscriptionManager
                 .getActiveSubscriptionInfoList(false);

         if ((subInfoList == null) || (subInfoList.size() == 0)) {
             result = new Cursor[0];
         } else {
             int subIdCount = subInfoList.size();
             result = new Cursor[subIdCount];
             int subId;

             for (int i = 0; i < subIdCount; i++) {
                 subId = subInfoList.get(i).getSubscriptionId();
                 result[i] = loadFromEf(efType, subId);
                 Rlog.i(TAG,"ADN Records loaded for Subscription ::" + subId);
             }
         }

         return new MergeCursor(result);
     }

     @Override
     public String getType(Uri url) {
         switch (URL_MATCHER.match(url)) {
             case ADN:
             case ADN_SUB:
             case FDN:
             case FDN_SUB:
             case SDN:
             case SDN_SUB:
             case ADN_ALL:
                 return "vnd.android.cursor.dir/sim-contact";

             default:
                 throw new IllegalArgumentException("Unknown URL " + url);
         }
     }

     @Override
     public Uri insert(Uri url, ContentValues initialValues) {
         Uri resultUri;
         int efType;
         String pin2 = null;
         int subId;

         if (DBG) log("insert");

         int match = URL_MATCHER.match(url);
         switch (match) {
             case ADN:
                 efType = IccConstants.EF_ADN;
                 subId = SubscriptionManager.getDefaultSubscriptionId();
                 break;

             case ADN_SUB:
                 efType = IccConstants.EF_ADN;
                 subId = getRequestSubId(url);
                 break;

             case FDN:
                 efType = IccConstants.EF_FDN;
                 subId = SubscriptionManager.getDefaultSubscriptionId();
                 pin2 = initialValues.getAsString("pin2");
                 break;

             case FDN_SUB:
                 efType = IccConstants.EF_FDN;
                 subId = getRequestSubId(url);
                 pin2 = initialValues.getAsString("pin2");
                 break;

             default:
                 throw new UnsupportedOperationException(
                         "Cannot insert into URL: " + url);
         }

         // We're not using the incoming initialValues
         // so we can check/gate the arguments.
         String tag = initialValues.getAsString(STR_TAG);
         String number = initialValues.getAsString(STR_NUMBER);
         String emails = initialValues.getAsString(STR_EMAILS);
         String anrs = initialValues.getAsString(STR_ANRS);

         ContentValues values = new ContentValues();
         values.put(STR_NEW_TAG, tag);
         values.put(STR_NEW_NUMBER, number);
         values.put(STR_NEW_EMAILS, emails);
         values.put(STR_NEW_ANRS, anrs);
         boolean success = updateIccRecordInEf(efType, values, pin2, subId);

         if (!success) {
             return null;
         }

         StringBuilder buf = new StringBuilder("content://icc/");
         switch (match) {
             case ADN:
                 buf.append("adn/");
                 break;

             case ADN_SUB:
                 buf.append("adn/subId/");
                 break;

             case FDN:
                 buf.append("fdn/");
                 break;

             case FDN_SUB:
                 buf.append("fdn/subId/");
                 break;
         }

         // TODO: we need to find out the rowId for the newly added record
         buf.append(0);

         resultUri = Uri.parse(buf.toString());

         getContext().getContentResolver().notifyChange(url, null);
         /*
         // notify interested parties that an insertion happened
         getContext().getContentResolver().notifyInsert(
                 resultUri, rowID, null);
         */

         return resultUri;
     }

     private String normalizeValue(String inVal) {
         int len = inVal.length();
         // If name is empty in contact return null to avoid crash.
         if (len == 0) {
             if (DBG) log("len of input String is 0");
             return inVal;
         }
         String retVal = inVal;

         if (inVal.charAt(0) == '\'' && inVal.charAt(len-1) == '\'') {
             retVal = inVal.substring(1, len-1);
         }

         return retVal;
     }

     @Override
     public int delete(Uri url, String where, String[] whereArgs) {
         int efType;
         int subId;

         int match = URL_MATCHER.match(url);
         switch (match) {
             case ADN:
                 efType = IccConstants.EF_ADN;
                 subId = SubscriptionManager.getDefaultSubscriptionId();
                 break;

             case ADN_SUB:
                 efType = IccConstants.EF_ADN;
                 subId = getRequestSubId(url);
                 break;

             case FDN:
                 efType = IccConstants.EF_FDN;
                 subId = SubscriptionManager.getDefaultSubscriptionId();
                 break;

             case FDN_SUB:
                 efType = IccConstants.EF_FDN;
                 subId = getRequestSubId(url);
                 break;

             default:
                 throw new UnsupportedOperationException(
                         "Cannot insert into URL: " + url);
         }

         if (DBG) log("delete");

         // parse where clause
         String tag = null;
         String number = null;
         String emails = null;
         String anrs = null;
         String pin2 = null;

         String[] tokens = where.split(" AND ");
         int n = tokens.length;

         while (--n >= 0) {
             String param = tokens[n];
             if (DBG) log("parsing '" + param + "'");

             String[] pair = param.split("=", 2);

             if (pair.length != 2) {
                 Rlog.e(TAG, "resolve: bad whereClause parameter: " + param);
                 continue;
             }
             String key = pair[0].trim();
             String val = pair[1].trim();

             if (STR_TAG.equals(key)) {
                 tag = normalizeValue(val);
             } else if (STR_NUMBER.equals(key)) {
                 number = normalizeValue(val);
             } else if (STR_EMAILS.equals(key)) {
                 emails = normalizeValue(val);
             } else if (STR_ANRS.equals(key)) {
                 anrs = normalizeValue(val);
             } else if (STR_PIN2.equals(key)) {
                 pin2 = normalizeValue(val);
             }
         }

         ContentValues values = new ContentValues();
         values.put(STR_TAG, tag);
         values.put(STR_NUMBER, number);
         values.put(STR_EMAILS, emails);
         values.put(STR_ANRS, anrs);
         if ((efType == FDN) && TextUtils.isEmpty(pin2)) {
             return 0;
         }
         if (DBG) log("delete mvalues= " + values);
         boolean success = updateIccRecordInEf(efType, values, pin2, subId);
         if (!success) {
             return 0;
         }

         getContext().getContentResolver().notifyChange(url, null);
         return 1;
     }

     @Override
     public int update(Uri url, ContentValues values, String where, String[] whereArgs) {
         String pin2 = null;
         int efType;
         int subId;

         if (DBG) log("update");

         int match = URL_MATCHER.match(url);
         switch (match) {
             case ADN:
                 efType = IccConstants.EF_ADN;
                 subId = SubscriptionManager.getDefaultSubscriptionId();
                 break;

             case ADN_SUB:
                 efType = IccConstants.EF_ADN;
                 subId = getRequestSubId(url);
                 break;

             case FDN:
                 efType = IccConstants.EF_FDN;
                 subId = SubscriptionManager.getDefaultSubscriptionId();
                 pin2 = values.getAsString("pin2");
                 break;

             case FDN_SUB:
                 efType = IccConstants.EF_FDN;
                 subId = getRequestSubId(url);
                 pin2 = values.getAsString("pin2");
                 break;

             default:
                 throw new UnsupportedOperationException(
                         "Cannot insert into URL: " + url);
         }

         boolean success = updateIccRecordInEf(efType, values, pin2, subId);

         if (!success) {
             return 0;
         }

         getContext().getContentResolver().notifyChange(url, null);
         return 1;
     }

     private MatrixCursor loadFromEf(int efType, int subId) {
         if (DBG) log("loadFromEf: efType=0x" +
                 Integer.toHexString(efType).toUpperCase(Locale.ROOT) + ", subscription=" + subId);

         List<AdnRecord> adnRecords = null;
         try {
             IIccPhoneBook iccIpb = IIccPhoneBook.Stub.asInterface(
                     TelephonyFrameworkInitializer
                             .getTelephonyServiceManager()
                             .getIccPhoneBookServiceRegisterer()
                             .get());
             if (iccIpb != null) {
                 adnRecords = iccIpb.getAdnRecordsInEfForSubscriber(subId, efType);
             }
         } catch (RemoteException ex) {
             // ignore it
         } catch (SecurityException ex) {
             if (DBG) log(ex.toString());
         }

         if (adnRecords != null) {
             // Load the results
             final int N = adnRecords.size();
             final MatrixCursor cursor = new MatrixCursor(ADDRESS_BOOK_COLUMN_NAMES, N);
             if (DBG) log("adnRecords.size=" + N);
             for (int i = 0; i < N ; i++) {
                 loadRecord(adnRecords.get(i), cursor, i);
             }
             return cursor;
         } else {
             // No results to load
             Rlog.w(TAG, "Cannot load ADN records");
             return new MatrixCursor(ADDRESS_BOOK_COLUMN_NAMES);
         }
     }

     private boolean
     updateIccRecordInEf(int efType, ContentValues values, String pin2, int subId) {
         boolean success = false;
         if (DBG) log("updateIccRecordInEf: efType=" + efType +
                 ", values: [ "+ values + "  ], subId:" + subId);
         try {
             IIccPhoneBook iccIpb = IIccPhoneBook.Stub.asInterface(
                     TelephonyFrameworkInitializer
                             .getTelephonyServiceManager()
                             .getIccPhoneBookServiceRegisterer()
                             .get());
             if (iccIpb != null) {
                 success = iccIpb
                         .updateAdnRecordsInEfBySearchForSubscriber(
                             subId, efType, values, pin2);
             }
         } catch (RemoteException ex) {
             // ignore it
         } catch (SecurityException ex) {
             if (DBG) log(ex.toString());
         }
         if (DBG) log("updateIccRecordInEf: " + success);
         return success;
     }

     /**
      * Loads an AdnRecord into a MatrixCursor. Must be called with mLock held.
      *
      * @param record the ADN record to load from
      * @param cursor the cursor to receive the results
      */
     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     private void loadRecord(AdnRecord record, MatrixCursor cursor, int id) {
         if (!record.isEmpty()) {
             Object[] contact = new Object[5];
             String alphaTag = record.getAlphaTag();
             String number = record.getNumber();

             if (DBG) log("loadRecord: " + alphaTag + ", " + Rlog.pii(TAG, number));
             contact[0] = alphaTag;
             contact[1] = number;

             String[] emails = record.getEmails();
             if (emails != null) {
                 StringBuilder emailString = new StringBuilder();
                 for (String email: emails) {
                     log("Adding email:" + Rlog.pii(TAG, email));
                     emailString.append(email);
                     emailString.append(",");
                 }
                 contact[2] = emailString.toString();
             }

             String[] anrs = record.getAdditionalNumbers();
             if (anrs != null) {
                 StringBuilder anrString = new StringBuilder();
                 for (String anr : anrs) {
                     if (DBG) log("Adding anr:" + anr);
                     anrString.append(anr);
                     anrString.append(":");
                 }
                 contact[3] = anrString.toString();
             }

             contact[4] = id;
             cursor.addRow(contact);
         }
     }

     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     private void log(String msg) {
         Rlog.d(TAG, "[IccProvider] " + msg);
     }

     private int getRequestSubId(Uri url) {
         if (DBG) log("getRequestSubId url: " + url);

         try {
             return Integer.parseInt(url.getLastPathSegment());
         } catch (NumberFormatException ex) {
             throw new IllegalArgumentException("Unknown URL " + url);
         }
     }
 }
	/*
	* Copyright (C) 2006 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;

	import android.compat.annotation.UnsupportedAppUsage;
	import android.content.ContentProvider;
	import android.content.ContentValues;
	import android.content.UriMatcher;
	import android.database.Cursor;
	import android.database.MatrixCursor;
	import android.database.MergeCursor;
	import android.net.Uri;
	import android.os.Build;
	import android.os.RemoteException;
	import android.telephony.SubscriptionInfo;
	import android.telephony.SubscriptionManager;
	import android.telephony.TelephonyFrameworkInitializer;
	import android.text.TextUtils;

	import com.android.internal.annotations.VisibleForTesting;
	import com.android.internal.telephony.uicc.AdnRecord;
	import com.android.internal.telephony.uicc.IccConstants;
	import com.android.telephony.Rlog;

	import java.util.List;
	import java.util.Locale;

	/**
	* {@hide}
	*/
	public class IccProvider extends ContentProvider {
	private static final String TAG = "IccProvider";
	@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
	private static final boolean DBG = true;


	@UnsupportedAppUsage
	private static final String[] ADDRESS_BOOK_COLUMN_NAMES = new String[] {
	"name",
	"number",
	"emails",
	"anrs",
	"_id"
	};

	protected static final int ADN = 1;
	protected static final int ADN_SUB = 2;
	protected static final int FDN = 3;
	protected static final int FDN_SUB = 4;
	protected static final int SDN = 5;
	protected static final int SDN_SUB = 6;
	protected static final int ADN_ALL = 7;

	@VisibleForTesting
	public static final String STR_TAG = "tag";
	@VisibleForTesting
	public static final String STR_NUMBER = "number";
	@VisibleForTesting
	public static final String STR_EMAILS = "emails";
	@VisibleForTesting
	public static final String STR_ANRS = "anrs";
	@VisibleForTesting
	public static final String STR_NEW_TAG = "newTag";
	@VisibleForTesting
	public static final String STR_NEW_NUMBER = "newNumber";
	@VisibleForTesting
	public static final String STR_NEW_EMAILS = "newEmails";
	@VisibleForTesting
	public static final String STR_NEW_ANRS = "newAnrs";
	@VisibleForTesting
	public static final String STR_PIN2 = "pin2";

	private static final UriMatcher URL_MATCHER =
	new UriMatcher(UriMatcher.NO_MATCH);

	static {
	URL_MATCHER.addURI("icc", "adn", ADN);
	URL_MATCHER.addURI("icc", "adn/subId/#", ADN_SUB);
	URL_MATCHER.addURI("icc", "fdn", FDN);
	URL_MATCHER.addURI("icc", "fdn/subId/#", FDN_SUB);
	URL_MATCHER.addURI("icc", "sdn", SDN);
	URL_MATCHER.addURI("icc", "sdn/subId/#", SDN_SUB);
	}

	private SubscriptionManager mSubscriptionManager;

	@UnsupportedAppUsage
	public IccProvider() {
	}

	@Override
	public boolean onCreate() {
	mSubscriptionManager = SubscriptionManager.from(getContext());
	return true;
	}

	@Override
	public Cursor query(Uri url, String[] projection, String selection,
	String[] selectionArgs, String sort) {
	if (DBG) log("query");

	switch (URL_MATCHER.match(url)) {
	case ADN:
	return loadFromEf(IccConstants.EF_ADN,
	SubscriptionManager.getDefaultSubscriptionId());

	case ADN_SUB:
	return loadFromEf(IccConstants.EF_ADN, getRequestSubId(url));

	case FDN:
	return loadFromEf(IccConstants.EF_FDN,
	SubscriptionManager.getDefaultSubscriptionId());

	case FDN_SUB:
	return loadFromEf(IccConstants.EF_FDN, getRequestSubId(url));

	case SDN:
	return loadFromEf(IccConstants.EF_SDN,
	SubscriptionManager.getDefaultSubscriptionId());

	case SDN_SUB:
	return loadFromEf(IccConstants.EF_SDN, getRequestSubId(url));

	case ADN_ALL:
	return loadAllSimContacts(IccConstants.EF_ADN);

	default:
	throw new IllegalArgumentException("Unknown URL " + url);
	}
	}

	private Cursor loadAllSimContacts(int efType) {
	Cursor [] result;
	List<SubscriptionInfo> subInfoList = mSubscriptionManager
	.getActiveSubscriptionInfoList(false);

	if ((subInfoList == null) \|\| (subInfoList.size() == 0)) {
	result = new Cursor[0];
	} else {
	int subIdCount = subInfoList.size();
	result = new Cursor[subIdCount];
	int subId;

	for (int i = 0; i < subIdCount; i++) {
	subId = subInfoList.get(i).getSubscriptionId();
	result[i] = loadFromEf(efType, subId);
	Rlog.i(TAG,"ADN Records loaded for Subscription ::" + subId);
	}
	}

	return new MergeCursor(result);
	}

	@Override
	public String getType(Uri url) {
	switch (URL_MATCHER.match(url)) {
	case ADN:
	case ADN_SUB:
	case FDN:
	case FDN_SUB:
	case SDN:
	case SDN_SUB:
	case ADN_ALL:
	return "vnd.android.cursor.dir/sim-contact";

	default:
	throw new IllegalArgumentException("Unknown URL " + url);
	}
	}

	@Override
	public Uri insert(Uri url, ContentValues initialValues) {
	Uri resultUri;
	int efType;
	String pin2 = null;
	int subId;

	if (DBG) log("insert");

	int match = URL_MATCHER.match(url);
	switch (match) {
	case ADN:
	efType = IccConstants.EF_ADN;
	subId = SubscriptionManager.getDefaultSubscriptionId();
	break;

	case ADN_SUB:
	efType = IccConstants.EF_ADN;
	subId = getRequestSubId(url);
	break;

	case FDN:
	efType = IccConstants.EF_FDN;
	subId = SubscriptionManager.getDefaultSubscriptionId();
	pin2 = initialValues.getAsString("pin2");
	break;

	case FDN_SUB:
	efType = IccConstants.EF_FDN;
	subId = getRequestSubId(url);
	pin2 = initialValues.getAsString("pin2");
	break;

	default:
	throw new UnsupportedOperationException(
	"Cannot insert into URL: " + url);
	}

	// We're not using the incoming initialValues
	// so we can check/gate the arguments.
	String tag = initialValues.getAsString(STR_TAG);
	String number = initialValues.getAsString(STR_NUMBER);
	String emails = initialValues.getAsString(STR_EMAILS);
	String anrs = initialValues.getAsString(STR_ANRS);

	ContentValues values = new ContentValues();
	values.put(STR_NEW_TAG, tag);
	values.put(STR_NEW_NUMBER, number);
	values.put(STR_NEW_EMAILS, emails);
	values.put(STR_NEW_ANRS, anrs);
	boolean success = updateIccRecordInEf(efType, values, pin2, subId);

	if (!success) {
	return null;
	}

	StringBuilder buf = new StringBuilder("content://icc/");
	switch (match) {
	case ADN:
	buf.append("adn/");
	break;

	case ADN_SUB:
	buf.append("adn/subId/");
	break;

	case FDN:
	buf.append("fdn/");
	break;

	case FDN_SUB:
	buf.append("fdn/subId/");
	break;
	}

	// TODO: we need to find out the rowId for the newly added record
	buf.append(0);

	resultUri = Uri.parse(buf.toString());

	getContext().getContentResolver().notifyChange(url, null);
	/*
	// notify interested parties that an insertion happened
	getContext().getContentResolver().notifyInsert(
	resultUri, rowID, null);
	*/

	return resultUri;
	}

	private String normalizeValue(String inVal) {
	int len = inVal.length();
	// If name is empty in contact return null to avoid crash.
	if (len == 0) {
	if (DBG) log("len of input String is 0");
	return inVal;
	}
	String retVal = inVal;

	if (inVal.charAt(0) == '\'' && inVal.charAt(len-1) == '\'') {
	retVal = inVal.substring(1, len-1);
	}

	return retVal;
	}

	@Override
	public int delete(Uri url, String where, String[] whereArgs) {
	int efType;
	int subId;

	int match = URL_MATCHER.match(url);
	switch (match) {
	case ADN:
	efType = IccConstants.EF_ADN;
	subId = SubscriptionManager.getDefaultSubscriptionId();
	break;

	case ADN_SUB:
	efType = IccConstants.EF_ADN;
	subId = getRequestSubId(url);
	break;

	case FDN:
	efType = IccConstants.EF_FDN;
	subId = SubscriptionManager.getDefaultSubscriptionId();
	break;

	case FDN_SUB:
	efType = IccConstants.EF_FDN;
	subId = getRequestSubId(url);
	break;

	default:
	throw new UnsupportedOperationException(
	"Cannot insert into URL: " + url);
	}

	if (DBG) log("delete");

	// parse where clause
	String tag = null;
	String number = null;
	String emails = null;
	String anrs = null;
	String pin2 = null;

	String[] tokens = where.split(" AND ");
	int n = tokens.length;

	while (--n >= 0) {
	String param = tokens[n];
	if (DBG) log("parsing '" + param + "'");

	String[] pair = param.split("=", 2);

	if (pair.length != 2) {
	Rlog.e(TAG, "resolve: bad whereClause parameter: " + param);
	continue;
	}
	String key = pair[0].trim();
	String val = pair[1].trim();

	if (STR_TAG.equals(key)) {
	tag = normalizeValue(val);
	} else if (STR_NUMBER.equals(key)) {
	number = normalizeValue(val);
	} else if (STR_EMAILS.equals(key)) {
	emails = normalizeValue(val);
	} else if (STR_ANRS.equals(key)) {
	anrs = normalizeValue(val);
	} else if (STR_PIN2.equals(key)) {
	pin2 = normalizeValue(val);
	}
	}

	ContentValues values = new ContentValues();
	values.put(STR_TAG, tag);
	values.put(STR_NUMBER, number);
	values.put(STR_EMAILS, emails);
	values.put(STR_ANRS, anrs);
	if ((efType == FDN) && TextUtils.isEmpty(pin2)) {
	return 0;
	}
	if (DBG) log("delete mvalues= " + values);
	boolean success = updateIccRecordInEf(efType, values, pin2, subId);
	if (!success) {
	return 0;
	}

	getContext().getContentResolver().notifyChange(url, null);
	return 1;
	}

	@Override
	public int update(Uri url, ContentValues values, String where, String[] whereArgs) {
	String pin2 = null;
	int efType;
	int subId;

	if (DBG) log("update");

	int match = URL_MATCHER.match(url);
	switch (match) {
	case ADN:
	efType = IccConstants.EF_ADN;
	subId = SubscriptionManager.getDefaultSubscriptionId();
	break;

	case ADN_SUB:
	efType = IccConstants.EF_ADN;
	subId = getRequestSubId(url);
	break;

	case FDN:
	efType = IccConstants.EF_FDN;
	subId = SubscriptionManager.getDefaultSubscriptionId();
	pin2 = values.getAsString("pin2");
	break;

	case FDN_SUB:
	efType = IccConstants.EF_FDN;
	subId = getRequestSubId(url);
	pin2 = values.getAsString("pin2");
	break;

	default:
	throw new UnsupportedOperationException(
	"Cannot insert into URL: " + url);
	}

	boolean success = updateIccRecordInEf(efType, values, pin2, subId);

	if (!success) {
	return 0;
	}

	getContext().getContentResolver().notifyChange(url, null);
	return 1;
	}

	private MatrixCursor loadFromEf(int efType, int subId) {
	if (DBG) log("loadFromEf: efType=0x" +
	Integer.toHexString(efType).toUpperCase(Locale.ROOT) + ", subscription=" + subId);

	List<AdnRecord> adnRecords = null;
	try {
	IIccPhoneBook iccIpb = IIccPhoneBook.Stub.asInterface(
	TelephonyFrameworkInitializer
	.getTelephonyServiceManager()
	.getIccPhoneBookServiceRegisterer()
	.get());
	if (iccIpb != null) {
	adnRecords = iccIpb.getAdnRecordsInEfForSubscriber(subId, efType);
	}
	} catch (RemoteException ex) {
	// ignore it
	} catch (SecurityException ex) {
	if (DBG) log(ex.toString());
	}

	if (adnRecords != null) {
	// Load the results
	final int N = adnRecords.size();
	final MatrixCursor cursor = new MatrixCursor(ADDRESS_BOOK_COLUMN_NAMES, N);
	if (DBG) log("adnRecords.size=" + N);
	for (int i = 0; i < N ; i++) {
	loadRecord(adnRecords.get(i), cursor, i);
	}
	return cursor;
	} else {
	// No results to load
	Rlog.w(TAG, "Cannot load ADN records");
	return new MatrixCursor(ADDRESS_BOOK_COLUMN_NAMES);
	}
	}

	private boolean
	updateIccRecordInEf(int efType, ContentValues values, String pin2, int subId) {
	boolean success = false;
	if (DBG) log("updateIccRecordInEf: efType=" + efType +
	", values: [ "+ values + " ], subId:" + subId);
	try {
	IIccPhoneBook iccIpb = IIccPhoneBook.Stub.asInterface(
	TelephonyFrameworkInitializer
	.getTelephonyServiceManager()
	.getIccPhoneBookServiceRegisterer()
	.get());
	if (iccIpb != null) {
	success = iccIpb
	.updateAdnRecordsInEfBySearchForSubscriber(
	subId, efType, values, pin2);
	}
	} catch (RemoteException ex) {
	// ignore it
	} catch (SecurityException ex) {
	if (DBG) log(ex.toString());
	}
	if (DBG) log("updateIccRecordInEf: " + success);
	return success;
	}

	/**
	* Loads an AdnRecord into a MatrixCursor. Must be called with mLock held.
	*
	* @param record the ADN record to load from
	* @param cursor the cursor to receive the results
	*/
	@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
	private void loadRecord(AdnRecord record, MatrixCursor cursor, int id) {
	if (!record.isEmpty()) {
	Object[] contact = new Object[5];
	String alphaTag = record.getAlphaTag();
	String number = record.getNumber();

	if (DBG) log("loadRecord: " + alphaTag + ", " + Rlog.pii(TAG, number));
	contact[0] = alphaTag;
	contact[1] = number;

	String[] emails = record.getEmails();
	if (emails != null) {
	StringBuilder emailString = new StringBuilder();
	for (String email: emails) {
	log("Adding email:" + Rlog.pii(TAG, email));
	emailString.append(email);
	emailString.append(",");
	}
	contact[2] = emailString.toString();
	}

	String[] anrs = record.getAdditionalNumbers();
	if (anrs != null) {
	StringBuilder anrString = new StringBuilder();
	for (String anr : anrs) {
	if (DBG) log("Adding anr:" + anr);
	anrString.append(anr);
	anrString.append(":");
	}
	contact[3] = anrString.toString();
	}

	contact[4] = id;
	cursor.addRow(contact);
	}
	}

	@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
	private void log(String msg) {
	Rlog.d(TAG, "[IccProvider] " + msg);
	}

	private int getRequestSubId(Uri url) {
	if (DBG) log("getRequestSubId url: " + url);

	try {
	return Integer.parseInt(url.getLastPathSegment());
	} catch (NumberFormatException ex) {
	throw new IllegalArgumentException("Unknown URL " + url);
	}
	}
	}