Android example source code file (IccProvider.java)

This example Android source code file (IccProvider.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

adn, android, arraylist, cannot, content, database, dbg, fdn, iiccphonebook, number, os, override, remoteexception, sdn, securityexception, string, stringbuilder, telephony, url, util

The IccProvider.java Android example source code

/*
 * 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.content.ContentProvider;
import android.content.UriMatcher;
import android.content.ContentValues;
import android.database.AbstractCursor;
import android.database.Cursor;
import android.database.CursorWindow;
import android.net.Uri;
import android.os.SystemProperties;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.text.TextUtils;
import android.util.Log;

import java.util.ArrayList;
import java.util.List;

import com.android.internal.telephony.IccConstants;
import com.android.internal.telephony.AdnRecord;
import com.android.internal.telephony.IIccPhoneBook;

/**
 * XXX old code -- should be replaced with MatrixCursor.
 * @deprecated This is has been replaced by MatrixCursor.
*/
class ArrayListCursor extends AbstractCursor {
    private String[] mColumnNames;
    private ArrayList<Object>[] mRows;

    @SuppressWarnings({"unchecked"})
    public ArrayListCursor(String[] columnNames, ArrayList<ArrayList> rows) {
        int colCount = columnNames.length;
        boolean foundID = false;
        // Add an _id column if not in columnNames
        for (int i = 0; i < colCount; ++i) {
            if (columnNames[i].compareToIgnoreCase("_id") == 0) {
                mColumnNames = columnNames;
                foundID = true;
                break;
            }
        }

        if (!foundID) {
            mColumnNames = new String[colCount + 1];
            System.arraycopy(columnNames, 0, mColumnNames, 0, columnNames.length);
            mColumnNames[colCount] = "_id";
        }

        int rowCount = rows.size();
        mRows = new ArrayList[rowCount];

        for (int i = 0; i < rowCount; ++i) {
            mRows[i] = rows.get(i);
            if (!foundID) {
                mRows[i].add(i);
            }
        }
    }

    @Override
    public void fillWindow(int position, CursorWindow window) {
        if (position < 0 || position > getCount()) {
            return;
        }

        window.acquireReference();
        try {
            int oldpos = mPos;
            mPos = position - 1;
            window.clear();
            window.setStartPosition(position);
            int columnNum = getColumnCount();
            window.setNumColumns(columnNum);
            while (moveToNext() && window.allocRow()) {
                for (int i = 0; i < columnNum; i++) {
                    final Object data = mRows[mPos].get(i);
                    if (data != null) {
                        if (data instanceof byte[]) {
                            byte[] field = (byte[]) data;
                            if (!window.putBlob(field, mPos, i)) {
                                window.freeLastRow();
                                break;
                            }
                        } else {
                            String field = data.toString();
                            if (!window.putString(field, mPos, i)) {
                                window.freeLastRow();
                                break;
                            }
                        }
                    } else {
                        if (!window.putNull(mPos, i)) {
                            window.freeLastRow();
                            break;
                        }
                    }
                }
            }

            mPos = oldpos;
        } catch (IllegalStateException e){
            // simply ignore it
        } finally {
            window.releaseReference();
        }
    }

    @Override
    public int getCount() {
        return mRows.length;
    }

    @Override
    public String[] getColumnNames() {
        return mColumnNames;
    }

    @Override
    public byte[] getBlob(int columnIndex) {
        return (byte[]) mRows[mPos].get(columnIndex);
    }

    @Override
    public String getString(int columnIndex) {
        Object cell = mRows[mPos].get(columnIndex);
        return (cell == null) ? null : cell.toString();
    }

    @Override
    public short getShort(int columnIndex) {
        Number num = (Number) mRows[mPos].get(columnIndex);
        return num.shortValue();
    }

    @Override
    public int getInt(int columnIndex) {
        Number num = (Number) mRows[mPos].get(columnIndex);
        return num.intValue();
    }

    @Override
    public long getLong(int columnIndex) {
        Number num = (Number) mRows[mPos].get(columnIndex);
        return num.longValue();
    }

    @Override
    public float getFloat(int columnIndex) {
        Number num = (Number) mRows[mPos].get(columnIndex);
        return num.floatValue();
    }

    @Override
    public double getDouble(int columnIndex) {
        Number num = (Number) mRows[mPos].get(columnIndex);
        return num.doubleValue();
    }

    @Override
    public boolean isNull(int columnIndex) {
        return mRows[mPos].get(columnIndex) == null;
    }
}


/**
 * {@hide}
 */
public class IccProvider extends ContentProvider {
    private static final String TAG = "IccProvider";
    private static final boolean DBG = false;


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

    private static final int ADN = 1;
    private static final int FDN = 2;
    private static final int SDN = 3;

    private static final String STR_TAG = "tag";
    private static final String STR_NUMBER = "number";
    private static final String STR_EMAILS = "emails";
    private 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", "fdn", FDN);
        URL_MATCHER.addURI("icc", "sdn", SDN);
    }


    private boolean mSimulator;

    @Override
    public boolean onCreate() {
        String device = SystemProperties.get("ro.product.device");
        if (!TextUtils.isEmpty(device)) {
            mSimulator = false;
        } else {
            // simulator
            mSimulator = true;
        }

        return true;
    }

    @Override
    public Cursor query(Uri url, String[] projection, String selection,
            String[] selectionArgs, String sort) {
        ArrayList<ArrayList> results;

        if (!mSimulator) {
            switch (URL_MATCHER.match(url)) {
                case ADN:
                    results = loadFromEf(IccConstants.EF_ADN);
                    break;

                case FDN:
                    results = loadFromEf(IccConstants.EF_FDN);
                    break;

                case SDN:
                    results = loadFromEf(IccConstants.EF_SDN);
                    break;

                default:
                    throw new IllegalArgumentException("Unknown URL " + url);
            }
        } else {
            // Fake up some data for the simulator
            results = new ArrayList<ArrayList>(4);
            ArrayList<String> contact;

            contact = new ArrayList<String>();
            contact.add("Ron Stevens/H");
            contact.add("512-555-5038");
            results.add(contact);

            contact = new ArrayList<String>();
            contact.add("Ron Stevens/M");
            contact.add("512-555-8305");
            results.add(contact);

            contact = new ArrayList<String>();
            contact.add("Melissa Owens");
            contact.add("512-555-8305");
            results.add(contact);

            contact = new ArrayList<String>();
            contact.add("Directory Assistence");
            contact.add("411");
            results.add(contact);
        }

        return new ArrayListCursor(ADDRESS_BOOK_COLUMN_NAMES, results);
    }

    @Override
    public String getType(Uri url) {
        switch (URL_MATCHER.match(url)) {
            case ADN:
            case FDN:
            case SDN:
                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;

        if (DBG) log("insert");

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

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

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

        String tag = initialValues.getAsString("tag");
        String number = initialValues.getAsString("number");
        // TODO(): Read email instead of sending null.
        boolean success = addIccRecordToEf(efType, tag, number, null, pin2);

        if (!success) {
            return null;
        }

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

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

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

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

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

        return resultUri;
    }

    private String normalizeValue(String inVal) {
        int len = inVal.length();
        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;

        if (DBG) log("delete");

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

            case FDN:
                efType = IccConstants.EF_FDN;
                break;

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

        // parse where clause
        String tag = null;
        String number = null;
        String[] emails = 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("=");

            if (pair.length != 2) {
                Log.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)) {
                //TODO(): Email is null.
                emails = null;
            } else if (STR_PIN2.equals(key)) {
                pin2 = normalizeValue(val);
            }
        }

        if (TextUtils.isEmpty(number)) {
            return 0;
        }

        if (efType == IccConstants.EF_FDN && TextUtils.isEmpty(pin2)) {
            return 0;
        }

        boolean success = deleteIccRecordFromEf(efType, tag, number, emails, pin2);
        if (!success) {
            return 0;
        }

        return 1;
    }

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

        if (DBG) log("update");

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

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

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

        String tag = values.getAsString("tag");
        String number = values.getAsString("number");
        String[] emails = null;
        String newTag = values.getAsString("newTag");
        String newNumber = values.getAsString("newNumber");
        String[] newEmails = null;
        // TODO(): Update for email.
        boolean success = updateIccRecordInEf(efType, tag, number,
                newTag, newNumber, pin2);

        if (!success) {
            return 0;
        }

        return 1;
    }

    private ArrayList<ArrayList> loadFromEf(int efType) {
        ArrayList<ArrayList> results = new ArrayList();
        List<AdnRecord> adnRecords = null;

        if (DBG) log("loadFromEf: efType=" + efType);

        try {
            IIccPhoneBook iccIpb = IIccPhoneBook.Stub.asInterface(
                    ServiceManager.getService("simphonebook"));
            if (iccIpb != null) {
                adnRecords = iccIpb.getAdnRecordsInEf(efType);
            }
        } catch (RemoteException ex) {
            // ignore it
        } catch (SecurityException ex) {
            if (DBG) log(ex.toString());
        }
        if (adnRecords != null) {
            // Load the results

            int N = adnRecords.size();
            if (DBG) log("adnRecords.size=" + N);
            for (int i = 0; i < N ; i++) {
                loadRecord(adnRecords.get(i), results);
            }
        } else {
            // No results to load
            Log.w(TAG, "Cannot load ADN records");
            results.clear();
        }
        if (DBG) log("loadFromEf: return results");
        return results;
    }

    private boolean
    addIccRecordToEf(int efType, String name, String number, String[] emails, String pin2) {
        if (DBG) log("addIccRecordToEf: efType=" + efType + ", name=" + name +
                ", number=" + number + ", emails=" + emails);

        boolean success = false;

        // TODO: do we need to call getAdnRecordsInEf() before calling
        // updateAdnRecordsInEfBySearch()? In any case, we will leave
        // the UI level logic to fill that prereq if necessary. But
        // hopefully, we can remove this requirement.

        try {
            IIccPhoneBook iccIpb = IIccPhoneBook.Stub.asInterface(
                    ServiceManager.getService("simphonebook"));
            if (iccIpb != null) {
                success = iccIpb.updateAdnRecordsInEfBySearch(efType, "", "",
                        name, number, pin2);
            }
        } catch (RemoteException ex) {
            // ignore it
        } catch (SecurityException ex) {
            if (DBG) log(ex.toString());
        }
        if (DBG) log("addIccRecordToEf: " + success);
        return success;
    }

    private boolean
    updateIccRecordInEf(int efType, String oldName, String oldNumber,
            String newName, String newNumber, String pin2) {
        if (DBG) log("updateIccRecordInEf: efType=" + efType +
                ", oldname=" + oldName + ", oldnumber=" + oldNumber +
                ", newname=" + newName + ", newnumber=" + newNumber);
        boolean success = false;

        try {
            IIccPhoneBook iccIpb = IIccPhoneBook.Stub.asInterface(
                    ServiceManager.getService("simphonebook"));
            if (iccIpb != null) {
                success = iccIpb.updateAdnRecordsInEfBySearch(efType,
                        oldName, oldNumber, newName, newNumber, pin2);
            }
        } catch (RemoteException ex) {
            // ignore it
        } catch (SecurityException ex) {
            if (DBG) log(ex.toString());
        }
        if (DBG) log("updateIccRecordInEf: " + success);
        return success;
    }


    private boolean deleteIccRecordFromEf(int efType, String name, String number, String[] emails,
            String pin2) {
        if (DBG) log("deleteIccRecordFromEf: efType=" + efType +
                ", name=" + name + ", number=" + number + ", emails=" + emails + ", pin2=" + pin2);

        boolean success = false;

        try {
            IIccPhoneBook iccIpb = IIccPhoneBook.Stub.asInterface(
                    ServiceManager.getService("simphonebook"));
            if (iccIpb != null) {
                success = iccIpb.updateAdnRecordsInEfBySearch(efType,
                        name, number, "", "", pin2);
            }
        } catch (RemoteException ex) {
            // ignore it
        } catch (SecurityException ex) {
            if (DBG) log(ex.toString());
        }
        if (DBG) log("deleteIccRecordFromEf: " + success);
        return success;
    }

    /**
     * Loads an AdnRecord into an ArrayList. Must be called with mLock held.
     *
     * @param record the ADN record to load from
     * @param results the array list to put the results in
     */
    private void loadRecord(AdnRecord record,
            ArrayList<ArrayList> results) {
        if (!record.isEmpty()) {
            ArrayList<String> contact = new ArrayList();
            String alphaTag = record.getAlphaTag();
            String number = record.getNumber();
            String[] emails = record.getEmails();

            if (DBG) log("loadRecord: " + alphaTag + ", " + number + ",");
            contact.add(alphaTag);
            contact.add(number);
            StringBuilder emailString = new StringBuilder();

            if (emails != null) {
                for (String email: emails) {
                    if (DBG) log("Adding email:" + email);
                    emailString.append(email);
                    emailString.append(",");
                }
                contact.add(emailString.toString());
            } else {
                contact.add(null);
            }
            results.add(contact);
        }
    }

    private void log(String msg) {
        Log.d(TAG, "[IccProvider] " + msg);
    }

}