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      1 /*
      2  * Copyright (C) 2007-2008 Esmertec AG.
      3  * Copyright (C) 2007-2008 The Android Open Source Project
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at
      8  *
      9  *      http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  */
     17 
     18 package com.google.android.mms.pdu;
     19 
     20 import com.google.android.mms.ContentType;
     21 import com.google.android.mms.InvalidHeaderValueException;
     22 import com.google.android.mms.MmsException;
     23 import com.google.android.mms.util.PduCache;
     24 import com.google.android.mms.util.PduCacheEntry;
     25 import com.google.android.mms.util.SqliteWrapper;
     26 
     27 import android.content.ContentResolver;
     28 import android.content.ContentUris;
     29 import android.content.ContentValues;
     30 import android.content.Context;
     31 import android.database.Cursor;
     32 import android.database.DatabaseUtils;
     33 import android.net.Uri;
     34 import android.provider.Telephony;
     35 import android.provider.Telephony.Mms;
     36 import android.provider.Telephony.MmsSms;
     37 import android.provider.Telephony.Threads;
     38 import android.provider.Telephony.Mms.Addr;
     39 import android.provider.Telephony.Mms.Part;
     40 import android.provider.Telephony.MmsSms.PendingMessages;
     41 import android.text.TextUtils;
     42 import android.util.Config;
     43 import android.util.Log;
     44 
     45 import java.io.ByteArrayOutputStream;
     46 import java.io.FileNotFoundException;
     47 import java.io.IOException;
     48 import java.io.InputStream;
     49 import java.io.OutputStream;
     50 import java.io.UnsupportedEncodingException;
     51 import java.util.ArrayList;
     52 import java.util.HashMap;
     53 import java.util.HashSet;
     54 import java.util.Map;
     55 import java.util.Set;
     56 import java.util.Map.Entry;
     57 
     58 import com.google.android.mms.pdu.EncodedStringValue;
     59 
     60 /**
     61  * This class is the high-level manager of PDU storage.
     62  */
     63 public class PduPersister {
     64     private static final String TAG = "PduPersister";
     65     private static final boolean DEBUG = false;
     66     private static final boolean LOCAL_LOGV = DEBUG ? Config.LOGD : Config.LOGV;
     67 
     68     private static final long DUMMY_THREAD_ID = Long.MAX_VALUE;
     69 
     70     /**
     71      * The uri of temporary drm objects.
     72      */
     73     public static final String TEMPORARY_DRM_OBJECT_URI =
     74         "content://mms/" + Long.MAX_VALUE + "/part";
     75     /**
     76      * Indicate that we transiently failed to process a MM.
     77      */
     78     public static final int PROC_STATUS_TRANSIENT_FAILURE   = 1;
     79     /**
     80      * Indicate that we permanently failed to process a MM.
     81      */
     82     public static final int PROC_STATUS_PERMANENTLY_FAILURE = 2;
     83     /**
     84      * Indicate that we have successfully processed a MM.
     85      */
     86     public static final int PROC_STATUS_COMPLETED           = 3;
     87 
     88     private static PduPersister sPersister;
     89     private static final PduCache PDU_CACHE_INSTANCE;
     90 
     91     private static final int[] ADDRESS_FIELDS = new int[] {
     92             PduHeaders.BCC,
     93             PduHeaders.CC,
     94             PduHeaders.FROM,
     95             PduHeaders.TO
     96     };
     97 
     98     private static final String[] PDU_PROJECTION = new String[] {
     99         Mms._ID,
    100         Mms.MESSAGE_BOX,
    101         Mms.THREAD_ID,
    102         Mms.RETRIEVE_TEXT,
    103         Mms.SUBJECT,
    104         Mms.CONTENT_LOCATION,
    105         Mms.CONTENT_TYPE,
    106         Mms.MESSAGE_CLASS,
    107         Mms.MESSAGE_ID,
    108         Mms.RESPONSE_TEXT,
    109         Mms.TRANSACTION_ID,
    110         Mms.CONTENT_CLASS,
    111         Mms.DELIVERY_REPORT,
    112         Mms.MESSAGE_TYPE,
    113         Mms.MMS_VERSION,
    114         Mms.PRIORITY,
    115         Mms.READ_REPORT,
    116         Mms.READ_STATUS,
    117         Mms.REPORT_ALLOWED,
    118         Mms.RETRIEVE_STATUS,
    119         Mms.STATUS,
    120         Mms.DATE,
    121         Mms.DELIVERY_TIME,
    122         Mms.EXPIRY,
    123         Mms.MESSAGE_SIZE,
    124         Mms.SUBJECT_CHARSET,
    125         Mms.RETRIEVE_TEXT_CHARSET,
    126     };
    127 
    128     private static final int PDU_COLUMN_ID                    = 0;
    129     private static final int PDU_COLUMN_MESSAGE_BOX           = 1;
    130     private static final int PDU_COLUMN_THREAD_ID             = 2;
    131     private static final int PDU_COLUMN_RETRIEVE_TEXT         = 3;
    132     private static final int PDU_COLUMN_SUBJECT               = 4;
    133     private static final int PDU_COLUMN_CONTENT_LOCATION      = 5;
    134     private static final int PDU_COLUMN_CONTENT_TYPE          = 6;
    135     private static final int PDU_COLUMN_MESSAGE_CLASS         = 7;
    136     private static final int PDU_COLUMN_MESSAGE_ID            = 8;
    137     private static final int PDU_COLUMN_RESPONSE_TEXT         = 9;
    138     private static final int PDU_COLUMN_TRANSACTION_ID        = 10;
    139     private static final int PDU_COLUMN_CONTENT_CLASS         = 11;
    140     private static final int PDU_COLUMN_DELIVERY_REPORT       = 12;
    141     private static final int PDU_COLUMN_MESSAGE_TYPE          = 13;
    142     private static final int PDU_COLUMN_MMS_VERSION           = 14;
    143     private static final int PDU_COLUMN_PRIORITY              = 15;
    144     private static final int PDU_COLUMN_READ_REPORT           = 16;
    145     private static final int PDU_COLUMN_READ_STATUS           = 17;
    146     private static final int PDU_COLUMN_REPORT_ALLOWED        = 18;
    147     private static final int PDU_COLUMN_RETRIEVE_STATUS       = 19;
    148     private static final int PDU_COLUMN_STATUS                = 20;
    149     private static final int PDU_COLUMN_DATE                  = 21;
    150     private static final int PDU_COLUMN_DELIVERY_TIME         = 22;
    151     private static final int PDU_COLUMN_EXPIRY                = 23;
    152     private static final int PDU_COLUMN_MESSAGE_SIZE          = 24;
    153     private static final int PDU_COLUMN_SUBJECT_CHARSET       = 25;
    154     private static final int PDU_COLUMN_RETRIEVE_TEXT_CHARSET = 26;
    155 
    156     private static final String[] PART_PROJECTION = new String[] {
    157         Part._ID,
    158         Part.CHARSET,
    159         Part.CONTENT_DISPOSITION,
    160         Part.CONTENT_ID,
    161         Part.CONTENT_LOCATION,
    162         Part.CONTENT_TYPE,
    163         Part.FILENAME,
    164         Part.NAME,
    165         Part.TEXT
    166     };
    167 
    168     private static final int PART_COLUMN_ID                  = 0;
    169     private static final int PART_COLUMN_CHARSET             = 1;
    170     private static final int PART_COLUMN_CONTENT_DISPOSITION = 2;
    171     private static final int PART_COLUMN_CONTENT_ID          = 3;
    172     private static final int PART_COLUMN_CONTENT_LOCATION    = 4;
    173     private static final int PART_COLUMN_CONTENT_TYPE        = 5;
    174     private static final int PART_COLUMN_FILENAME            = 6;
    175     private static final int PART_COLUMN_NAME                = 7;
    176     private static final int PART_COLUMN_TEXT                = 8;
    177 
    178     private static final HashMap<Uri, Integer> MESSAGE_BOX_MAP;
    179     // These map are used for convenience in persist() and load().
    180     private static final HashMap<Integer, Integer> CHARSET_COLUMN_INDEX_MAP;
    181     private static final HashMap<Integer, Integer> ENCODED_STRING_COLUMN_INDEX_MAP;
    182     private static final HashMap<Integer, Integer> TEXT_STRING_COLUMN_INDEX_MAP;
    183     private static final HashMap<Integer, Integer> OCTET_COLUMN_INDEX_MAP;
    184     private static final HashMap<Integer, Integer> LONG_COLUMN_INDEX_MAP;
    185     private static final HashMap<Integer, String> CHARSET_COLUMN_NAME_MAP;
    186     private static final HashMap<Integer, String> ENCODED_STRING_COLUMN_NAME_MAP;
    187     private static final HashMap<Integer, String> TEXT_STRING_COLUMN_NAME_MAP;
    188     private static final HashMap<Integer, String> OCTET_COLUMN_NAME_MAP;
    189     private static final HashMap<Integer, String> LONG_COLUMN_NAME_MAP;
    190 
    191     static {
    192         MESSAGE_BOX_MAP = new HashMap<Uri, Integer>();
    193         MESSAGE_BOX_MAP.put(Mms.Inbox.CONTENT_URI,  Mms.MESSAGE_BOX_INBOX);
    194         MESSAGE_BOX_MAP.put(Mms.Sent.CONTENT_URI,   Mms.MESSAGE_BOX_SENT);
    195         MESSAGE_BOX_MAP.put(Mms.Draft.CONTENT_URI,  Mms.MESSAGE_BOX_DRAFTS);
    196         MESSAGE_BOX_MAP.put(Mms.Outbox.CONTENT_URI, Mms.MESSAGE_BOX_OUTBOX);
    197 
    198         CHARSET_COLUMN_INDEX_MAP = new HashMap<Integer, Integer>();
    199         CHARSET_COLUMN_INDEX_MAP.put(PduHeaders.SUBJECT, PDU_COLUMN_SUBJECT_CHARSET);
    200         CHARSET_COLUMN_INDEX_MAP.put(PduHeaders.RETRIEVE_TEXT, PDU_COLUMN_RETRIEVE_TEXT_CHARSET);
    201 
    202         CHARSET_COLUMN_NAME_MAP = new HashMap<Integer, String>();
    203         CHARSET_COLUMN_NAME_MAP.put(PduHeaders.SUBJECT, Mms.SUBJECT_CHARSET);
    204         CHARSET_COLUMN_NAME_MAP.put(PduHeaders.RETRIEVE_TEXT, Mms.RETRIEVE_TEXT_CHARSET);
    205 
    206         // Encoded string field code -> column index/name map.
    207         ENCODED_STRING_COLUMN_INDEX_MAP = new HashMap<Integer, Integer>();
    208         ENCODED_STRING_COLUMN_INDEX_MAP.put(PduHeaders.RETRIEVE_TEXT, PDU_COLUMN_RETRIEVE_TEXT);
    209         ENCODED_STRING_COLUMN_INDEX_MAP.put(PduHeaders.SUBJECT, PDU_COLUMN_SUBJECT);
    210 
    211         ENCODED_STRING_COLUMN_NAME_MAP = new HashMap<Integer, String>();
    212         ENCODED_STRING_COLUMN_NAME_MAP.put(PduHeaders.RETRIEVE_TEXT, Mms.RETRIEVE_TEXT);
    213         ENCODED_STRING_COLUMN_NAME_MAP.put(PduHeaders.SUBJECT, Mms.SUBJECT);
    214 
    215         // Text string field code -> column index/name map.
    216         TEXT_STRING_COLUMN_INDEX_MAP = new HashMap<Integer, Integer>();
    217         TEXT_STRING_COLUMN_INDEX_MAP.put(PduHeaders.CONTENT_LOCATION, PDU_COLUMN_CONTENT_LOCATION);
    218         TEXT_STRING_COLUMN_INDEX_MAP.put(PduHeaders.CONTENT_TYPE, PDU_COLUMN_CONTENT_TYPE);
    219         TEXT_STRING_COLUMN_INDEX_MAP.put(PduHeaders.MESSAGE_CLASS, PDU_COLUMN_MESSAGE_CLASS);
    220         TEXT_STRING_COLUMN_INDEX_MAP.put(PduHeaders.MESSAGE_ID, PDU_COLUMN_MESSAGE_ID);
    221         TEXT_STRING_COLUMN_INDEX_MAP.put(PduHeaders.RESPONSE_TEXT, PDU_COLUMN_RESPONSE_TEXT);
    222         TEXT_STRING_COLUMN_INDEX_MAP.put(PduHeaders.TRANSACTION_ID, PDU_COLUMN_TRANSACTION_ID);
    223 
    224         TEXT_STRING_COLUMN_NAME_MAP = new HashMap<Integer, String>();
    225         TEXT_STRING_COLUMN_NAME_MAP.put(PduHeaders.CONTENT_LOCATION, Mms.CONTENT_LOCATION);
    226         TEXT_STRING_COLUMN_NAME_MAP.put(PduHeaders.CONTENT_TYPE, Mms.CONTENT_TYPE);
    227         TEXT_STRING_COLUMN_NAME_MAP.put(PduHeaders.MESSAGE_CLASS, Mms.MESSAGE_CLASS);
    228         TEXT_STRING_COLUMN_NAME_MAP.put(PduHeaders.MESSAGE_ID, Mms.MESSAGE_ID);
    229         TEXT_STRING_COLUMN_NAME_MAP.put(PduHeaders.RESPONSE_TEXT, Mms.RESPONSE_TEXT);
    230         TEXT_STRING_COLUMN_NAME_MAP.put(PduHeaders.TRANSACTION_ID, Mms.TRANSACTION_ID);
    231 
    232         // Octet field code -> column index/name map.
    233         OCTET_COLUMN_INDEX_MAP = new HashMap<Integer, Integer>();
    234         OCTET_COLUMN_INDEX_MAP.put(PduHeaders.CONTENT_CLASS, PDU_COLUMN_CONTENT_CLASS);
    235         OCTET_COLUMN_INDEX_MAP.put(PduHeaders.DELIVERY_REPORT, PDU_COLUMN_DELIVERY_REPORT);
    236         OCTET_COLUMN_INDEX_MAP.put(PduHeaders.MESSAGE_TYPE, PDU_COLUMN_MESSAGE_TYPE);
    237         OCTET_COLUMN_INDEX_MAP.put(PduHeaders.MMS_VERSION, PDU_COLUMN_MMS_VERSION);
    238         OCTET_COLUMN_INDEX_MAP.put(PduHeaders.PRIORITY, PDU_COLUMN_PRIORITY);
    239         OCTET_COLUMN_INDEX_MAP.put(PduHeaders.READ_REPORT, PDU_COLUMN_READ_REPORT);
    240         OCTET_COLUMN_INDEX_MAP.put(PduHeaders.READ_STATUS, PDU_COLUMN_READ_STATUS);
    241         OCTET_COLUMN_INDEX_MAP.put(PduHeaders.REPORT_ALLOWED, PDU_COLUMN_REPORT_ALLOWED);
    242         OCTET_COLUMN_INDEX_MAP.put(PduHeaders.RETRIEVE_STATUS, PDU_COLUMN_RETRIEVE_STATUS);
    243         OCTET_COLUMN_INDEX_MAP.put(PduHeaders.STATUS, PDU_COLUMN_STATUS);
    244 
    245         OCTET_COLUMN_NAME_MAP = new HashMap<Integer, String>();
    246         OCTET_COLUMN_NAME_MAP.put(PduHeaders.CONTENT_CLASS, Mms.CONTENT_CLASS);
    247         OCTET_COLUMN_NAME_MAP.put(PduHeaders.DELIVERY_REPORT, Mms.DELIVERY_REPORT);
    248         OCTET_COLUMN_NAME_MAP.put(PduHeaders.MESSAGE_TYPE, Mms.MESSAGE_TYPE);
    249         OCTET_COLUMN_NAME_MAP.put(PduHeaders.MMS_VERSION, Mms.MMS_VERSION);
    250         OCTET_COLUMN_NAME_MAP.put(PduHeaders.PRIORITY, Mms.PRIORITY);
    251         OCTET_COLUMN_NAME_MAP.put(PduHeaders.READ_REPORT, Mms.READ_REPORT);
    252         OCTET_COLUMN_NAME_MAP.put(PduHeaders.READ_STATUS, Mms.READ_STATUS);
    253         OCTET_COLUMN_NAME_MAP.put(PduHeaders.REPORT_ALLOWED, Mms.REPORT_ALLOWED);
    254         OCTET_COLUMN_NAME_MAP.put(PduHeaders.RETRIEVE_STATUS, Mms.RETRIEVE_STATUS);
    255         OCTET_COLUMN_NAME_MAP.put(PduHeaders.STATUS, Mms.STATUS);
    256 
    257         // Long field code -> column index/name map.
    258         LONG_COLUMN_INDEX_MAP = new HashMap<Integer, Integer>();
    259         LONG_COLUMN_INDEX_MAP.put(PduHeaders.DATE, PDU_COLUMN_DATE);
    260         LONG_COLUMN_INDEX_MAP.put(PduHeaders.DELIVERY_TIME, PDU_COLUMN_DELIVERY_TIME);
    261         LONG_COLUMN_INDEX_MAP.put(PduHeaders.EXPIRY, PDU_COLUMN_EXPIRY);
    262         LONG_COLUMN_INDEX_MAP.put(PduHeaders.MESSAGE_SIZE, PDU_COLUMN_MESSAGE_SIZE);
    263 
    264         LONG_COLUMN_NAME_MAP = new HashMap<Integer, String>();
    265         LONG_COLUMN_NAME_MAP.put(PduHeaders.DATE, Mms.DATE);
    266         LONG_COLUMN_NAME_MAP.put(PduHeaders.DELIVERY_TIME, Mms.DELIVERY_TIME);
    267         LONG_COLUMN_NAME_MAP.put(PduHeaders.EXPIRY, Mms.EXPIRY);
    268         LONG_COLUMN_NAME_MAP.put(PduHeaders.MESSAGE_SIZE, Mms.MESSAGE_SIZE);
    269 
    270         PDU_CACHE_INSTANCE = PduCache.getInstance();
    271      }
    272 
    273     private final Context mContext;
    274     private final ContentResolver mContentResolver;
    275 
    276     private PduPersister(Context context) {
    277         mContext = context;
    278         mContentResolver = context.getContentResolver();
    279      }
    280 
    281     /** Get(or create if not exist) an instance of PduPersister */
    282     public static PduPersister getPduPersister(Context context) {
    283         if ((sPersister == null) || !context.equals(sPersister.mContext)) {
    284             sPersister = new PduPersister(context);
    285         }
    286 
    287         return sPersister;
    288     }
    289 
    290     private void setEncodedStringValueToHeaders(
    291             Cursor c, int columnIndex,
    292             PduHeaders headers, int mapColumn) {
    293         String s = c.getString(columnIndex);
    294         if ((s != null) && (s.length() > 0)) {
    295             int charsetColumnIndex = CHARSET_COLUMN_INDEX_MAP.get(mapColumn);
    296             int charset = c.getInt(charsetColumnIndex);
    297             EncodedStringValue value = new EncodedStringValue(
    298                     charset, getBytes(s));
    299             headers.setEncodedStringValue(value, mapColumn);
    300         }
    301     }
    302 
    303     private void setTextStringToHeaders(
    304             Cursor c, int columnIndex,
    305             PduHeaders headers, int mapColumn) {
    306         String s = c.getString(columnIndex);
    307         if (s != null) {
    308             headers.setTextString(getBytes(s), mapColumn);
    309         }
    310     }
    311 
    312     private void setOctetToHeaders(
    313             Cursor c, int columnIndex,
    314             PduHeaders headers, int mapColumn) throws InvalidHeaderValueException {
    315         if (!c.isNull(columnIndex)) {
    316             int b = c.getInt(columnIndex);
    317             headers.setOctet(b, mapColumn);
    318         }
    319     }
    320 
    321     private void setLongToHeaders(
    322             Cursor c, int columnIndex,
    323             PduHeaders headers, int mapColumn) {
    324         if (!c.isNull(columnIndex)) {
    325             long l = c.getLong(columnIndex);
    326             headers.setLongInteger(l, mapColumn);
    327         }
    328     }
    329 
    330     private Integer getIntegerFromPartColumn(Cursor c, int columnIndex) {
    331         if (!c.isNull(columnIndex)) {
    332             return c.getInt(columnIndex);
    333         }
    334         return null;
    335     }
    336 
    337     private byte[] getByteArrayFromPartColumn(Cursor c, int columnIndex) {
    338         if (!c.isNull(columnIndex)) {
    339             return getBytes(c.getString(columnIndex));
    340         }
    341         return null;
    342     }
    343 
    344     private PduPart[] loadParts(long msgId) throws MmsException {
    345         Cursor c = SqliteWrapper.query(mContext, mContentResolver,
    346                 Uri.parse("content://mms/" + msgId + "/part"),
    347                 PART_PROJECTION, null, null, null);
    348 
    349         PduPart[] parts = null;
    350 
    351         try {
    352             if ((c == null) || (c.getCount() == 0)) {
    353                 if (LOCAL_LOGV) {
    354                     Log.v(TAG, "loadParts(" + msgId + "): no part to load.");
    355                 }
    356                 return null;
    357             }
    358 
    359             int partCount = c.getCount();
    360             int partIdx = 0;
    361             parts = new PduPart[partCount];
    362             while (c.moveToNext()) {
    363                 PduPart part = new PduPart();
    364                 Integer charset = getIntegerFromPartColumn(
    365                         c, PART_COLUMN_CHARSET);
    366                 if (charset != null) {
    367                     part.setCharset(charset);
    368                 }
    369 
    370                 byte[] contentDisposition = getByteArrayFromPartColumn(
    371                         c, PART_COLUMN_CONTENT_DISPOSITION);
    372                 if (contentDisposition != null) {
    373                     part.setContentDisposition(contentDisposition);
    374                 }
    375 
    376                 byte[] contentId = getByteArrayFromPartColumn(
    377                         c, PART_COLUMN_CONTENT_ID);
    378                 if (contentId != null) {
    379                     part.setContentId(contentId);
    380                 }
    381 
    382                 byte[] contentLocation = getByteArrayFromPartColumn(
    383                         c, PART_COLUMN_CONTENT_LOCATION);
    384                 if (contentLocation != null) {
    385                     part.setContentLocation(contentLocation);
    386                 }
    387 
    388                 byte[] contentType = getByteArrayFromPartColumn(
    389                         c, PART_COLUMN_CONTENT_TYPE);
    390                 if (contentType != null) {
    391                     part.setContentType(contentType);
    392                 } else {
    393                     throw new MmsException("Content-Type must be set.");
    394                 }
    395 
    396                 byte[] fileName = getByteArrayFromPartColumn(
    397                         c, PART_COLUMN_FILENAME);
    398                 if (fileName != null) {
    399                     part.setFilename(fileName);
    400                 }
    401 
    402                 byte[] name = getByteArrayFromPartColumn(
    403                         c, PART_COLUMN_NAME);
    404                 if (name != null) {
    405                     part.setName(name);
    406                 }
    407 
    408                 // Construct a Uri for this part.
    409                 long partId = c.getLong(PART_COLUMN_ID);
    410                 Uri partURI = Uri.parse("content://mms/part/" + partId);
    411                 part.setDataUri(partURI);
    412 
    413                 // For images/audio/video, we won't keep their data in Part
    414                 // because their renderer accept Uri as source.
    415                 String type = toIsoString(contentType);
    416                 if (!ContentType.isImageType(type)
    417                         && !ContentType.isAudioType(type)
    418                         && !ContentType.isVideoType(type)) {
    419                     ByteArrayOutputStream baos = new ByteArrayOutputStream();
    420                     InputStream is = null;
    421 
    422                     // Store simple string values directly in the database instead of an
    423                     // external file.  This makes the text searchable and retrieval slightly
    424                     // faster.
    425                     if (ContentType.TEXT_PLAIN.equals(type) || ContentType.APP_SMIL.equals(type)
    426                             || ContentType.TEXT_HTML.equals(type)) {
    427                         String text = c.getString(PART_COLUMN_TEXT);
    428                         byte [] blob = new EncodedStringValue(text != null ? text : "")
    429                             .getTextString();
    430                         baos.write(blob, 0, blob.length);
    431                     } else {
    432 
    433                         try {
    434                             is = mContentResolver.openInputStream(partURI);
    435 
    436                             byte[] buffer = new byte[256];
    437                             int len = is.read(buffer);
    438                             while (len >= 0) {
    439                                 baos.write(buffer, 0, len);
    440                                 len = is.read(buffer);
    441                             }
    442                         } catch (IOException e) {
    443                             Log.e(TAG, "Failed to load part data", e);
    444                             c.close();
    445                             throw new MmsException(e);
    446                         } finally {
    447                             if (is != null) {
    448                                 try {
    449                                     is.close();
    450                                 } catch (IOException e) {
    451                                     Log.e(TAG, "Failed to close stream", e);
    452                                 } // Ignore
    453                             }
    454                         }
    455                     }
    456                     part.setData(baos.toByteArray());
    457                 }
    458                 parts[partIdx++] = part;
    459             }
    460         } finally {
    461             if (c != null) {
    462                 c.close();
    463             }
    464         }
    465 
    466         return parts;
    467     }
    468 
    469     private void loadAddress(long msgId, PduHeaders headers) {
    470         Cursor c = SqliteWrapper.query(mContext, mContentResolver,
    471                 Uri.parse("content://mms/" + msgId + "/addr"),
    472                 new String[] { Addr.ADDRESS, Addr.CHARSET, Addr.TYPE },
    473                 null, null, null);
    474 
    475         if (c != null) {
    476             try {
    477                 while (c.moveToNext()) {
    478                     String addr = c.getString(0);
    479                     if (!TextUtils.isEmpty(addr)) {
    480                         int addrType = c.getInt(2);
    481                         switch (addrType) {
    482                             case PduHeaders.FROM:
    483                                 headers.setEncodedStringValue(
    484                                         new EncodedStringValue(c.getInt(1), getBytes(addr)),
    485                                         addrType);
    486                                 break;
    487                             case PduHeaders.TO:
    488                             case PduHeaders.CC:
    489                             case PduHeaders.BCC:
    490                                 headers.appendEncodedStringValue(
    491                                         new EncodedStringValue(c.getInt(1), getBytes(addr)),
    492                                         addrType);
    493                                 break;
    494                             default:
    495                                 Log.e(TAG, "Unknown address type: " + addrType);
    496                                 break;
    497                         }
    498                     }
    499                 }
    500             } finally {
    501                 c.close();
    502             }
    503         }
    504     }
    505 
    506     /**
    507      * Load a PDU from storage by given Uri.
    508      *
    509      * @param uri The Uri of the PDU to be loaded.
    510      * @return A generic PDU object, it may be cast to dedicated PDU.
    511      * @throws MmsException Failed to load some fields of a PDU.
    512      */
    513     public GenericPdu load(Uri uri) throws MmsException {
    514         PduCacheEntry cacheEntry = PDU_CACHE_INSTANCE.get(uri);
    515         if (cacheEntry != null) {
    516             return cacheEntry.getPdu();
    517         }
    518 
    519         Cursor c = SqliteWrapper.query(mContext, mContentResolver, uri,
    520                         PDU_PROJECTION, null, null, null);
    521         PduHeaders headers = new PduHeaders();
    522         Set<Entry<Integer, Integer>> set;
    523         long msgId = ContentUris.parseId(uri);
    524         int msgBox;
    525         long threadId;
    526 
    527         try {
    528             if ((c == null) || (c.getCount() != 1) || !c.moveToFirst()) {
    529                 throw new MmsException("Bad uri: " + uri);
    530             }
    531 
    532             msgBox = c.getInt(PDU_COLUMN_MESSAGE_BOX);
    533             threadId = c.getLong(PDU_COLUMN_THREAD_ID);
    534 
    535             set = ENCODED_STRING_COLUMN_INDEX_MAP.entrySet();
    536             for (Entry<Integer, Integer> e : set) {
    537                 setEncodedStringValueToHeaders(
    538                         c, e.getValue(), headers, e.getKey());
    539             }
    540 
    541             set = TEXT_STRING_COLUMN_INDEX_MAP.entrySet();
    542             for (Entry<Integer, Integer> e : set) {
    543                 setTextStringToHeaders(
    544                         c, e.getValue(), headers, e.getKey());
    545             }
    546 
    547             set = OCTET_COLUMN_INDEX_MAP.entrySet();
    548             for (Entry<Integer, Integer> e : set) {
    549                 setOctetToHeaders(
    550                         c, e.getValue(), headers, e.getKey());
    551             }
    552 
    553             set = LONG_COLUMN_INDEX_MAP.entrySet();
    554             for (Entry<Integer, Integer> e : set) {
    555                 setLongToHeaders(
    556                         c, e.getValue(), headers, e.getKey());
    557             }
    558         } finally {
    559             if (c != null) {
    560                 c.close();
    561             }
    562         }
    563 
    564         // Check whether 'msgId' has been assigned a valid value.
    565         if (msgId == -1L) {
    566             throw new MmsException("Error! ID of the message: -1.");
    567         }
    568 
    569         // Load address information of the MM.
    570         loadAddress(msgId, headers);
    571 
    572         int msgType = headers.getOctet(PduHeaders.MESSAGE_TYPE);
    573         PduBody body = new PduBody();
    574 
    575         // For PDU which type is M_retrieve.conf or Send.req, we should
    576         // load multiparts and put them into the body of the PDU.
    577         if ((msgType == PduHeaders.MESSAGE_TYPE_RETRIEVE_CONF)
    578                 || (msgType == PduHeaders.MESSAGE_TYPE_SEND_REQ)) {
    579             PduPart[] parts = loadParts(msgId);
    580             if (parts != null) {
    581                 int partsNum = parts.length;
    582                 for (int i = 0; i < partsNum; i++) {
    583                     body.addPart(parts[i]);
    584                 }
    585             }
    586         }
    587 
    588         GenericPdu pdu = null;
    589         switch (msgType) {
    590             case PduHeaders.MESSAGE_TYPE_NOTIFICATION_IND:
    591                 pdu = new NotificationInd(headers);
    592                 break;
    593             case PduHeaders.MESSAGE_TYPE_DELIVERY_IND:
    594                 pdu = new DeliveryInd(headers);
    595                 break;
    596             case PduHeaders.MESSAGE_TYPE_READ_ORIG_IND:
    597                 pdu = new ReadOrigInd(headers);
    598                 break;
    599             case PduHeaders.MESSAGE_TYPE_RETRIEVE_CONF:
    600                 pdu = new RetrieveConf(headers, body);
    601                 break;
    602             case PduHeaders.MESSAGE_TYPE_SEND_REQ:
    603                 pdu = new SendReq(headers, body);
    604                 break;
    605             case PduHeaders.MESSAGE_TYPE_ACKNOWLEDGE_IND:
    606                 pdu = new AcknowledgeInd(headers);
    607                 break;
    608             case PduHeaders.MESSAGE_TYPE_NOTIFYRESP_IND:
    609                 pdu = new NotifyRespInd(headers);
    610                 break;
    611             case PduHeaders.MESSAGE_TYPE_READ_REC_IND:
    612                 pdu = new ReadRecInd(headers);
    613                 break;
    614             case PduHeaders.MESSAGE_TYPE_SEND_CONF:
    615             case PduHeaders.MESSAGE_TYPE_FORWARD_REQ:
    616             case PduHeaders.MESSAGE_TYPE_FORWARD_CONF:
    617             case PduHeaders.MESSAGE_TYPE_MBOX_STORE_REQ:
    618             case PduHeaders.MESSAGE_TYPE_MBOX_STORE_CONF:
    619             case PduHeaders.MESSAGE_TYPE_MBOX_VIEW_REQ:
    620             case PduHeaders.MESSAGE_TYPE_MBOX_VIEW_CONF:
    621             case PduHeaders.MESSAGE_TYPE_MBOX_UPLOAD_REQ:
    622             case PduHeaders.MESSAGE_TYPE_MBOX_UPLOAD_CONF:
    623             case PduHeaders.MESSAGE_TYPE_MBOX_DELETE_REQ:
    624             case PduHeaders.MESSAGE_TYPE_MBOX_DELETE_CONF:
    625             case PduHeaders.MESSAGE_TYPE_MBOX_DESCR:
    626             case PduHeaders.MESSAGE_TYPE_DELETE_REQ:
    627             case PduHeaders.MESSAGE_TYPE_DELETE_CONF:
    628             case PduHeaders.MESSAGE_TYPE_CANCEL_REQ:
    629             case PduHeaders.MESSAGE_TYPE_CANCEL_CONF:
    630                 throw new MmsException(
    631                         "Unsupported PDU type: " + Integer.toHexString(msgType));
    632 
    633             default:
    634                 throw new MmsException(
    635                         "Unrecognized PDU type: " + Integer.toHexString(msgType));
    636         }
    637 
    638         cacheEntry = new PduCacheEntry(pdu, msgBox, threadId);
    639         PDU_CACHE_INSTANCE.put(uri, cacheEntry);
    640         return pdu;
    641     }
    642 
    643     private void persistAddress(
    644             long msgId, int type, EncodedStringValue[] array) {
    645         ContentValues values = new ContentValues(3);
    646 
    647         for (EncodedStringValue addr : array) {
    648             values.clear(); // Clear all values first.
    649             values.put(Addr.ADDRESS, toIsoString(addr.getTextString()));
    650             values.put(Addr.CHARSET, addr.getCharacterSet());
    651             values.put(Addr.TYPE, type);
    652 
    653             Uri uri = Uri.parse("content://mms/" + msgId + "/addr");
    654             SqliteWrapper.insert(mContext, mContentResolver, uri, values);
    655         }
    656     }
    657 
    658     public Uri persistPart(PduPart part, long msgId)
    659             throws MmsException {
    660         Uri uri = Uri.parse("content://mms/" + msgId + "/part");
    661         ContentValues values = new ContentValues(8);
    662 
    663         int charset = part.getCharset();
    664         if (charset != 0 ) {
    665             values.put(Part.CHARSET, charset);
    666         }
    667 
    668         String contentType = null;
    669         if (part.getContentType() != null) {
    670             contentType = toIsoString(part.getContentType());
    671             values.put(Part.CONTENT_TYPE, contentType);
    672             // To ensure the SMIL part is always the first part.
    673             if (ContentType.APP_SMIL.equals(contentType)) {
    674                 values.put(Part.SEQ, -1);
    675             }
    676         } else {
    677             throw new MmsException("MIME type of the part must be set.");
    678         }
    679 
    680         if (part.getFilename() != null) {
    681             String fileName = new String(part.getFilename());
    682             values.put(Part.FILENAME, fileName);
    683         }
    684 
    685         if (part.getName() != null) {
    686             String name = new String(part.getName());
    687             values.put(Part.NAME, name);
    688         }
    689 
    690         Object value = null;
    691         if (part.getContentDisposition() != null) {
    692             value = toIsoString(part.getContentDisposition());
    693             values.put(Part.CONTENT_DISPOSITION, (String) value);
    694         }
    695 
    696         if (part.getContentId() != null) {
    697             value = toIsoString(part.getContentId());
    698             values.put(Part.CONTENT_ID, (String) value);
    699         }
    700 
    701         if (part.getContentLocation() != null) {
    702             value = toIsoString(part.getContentLocation());
    703             values.put(Part.CONTENT_LOCATION, (String) value);
    704         }
    705 
    706         Uri res = SqliteWrapper.insert(mContext, mContentResolver, uri, values);
    707         if (res == null) {
    708             throw new MmsException("Failed to persist part, return null.");
    709         }
    710 
    711         persistData(part, res, contentType);
    712         // After successfully store the data, we should update
    713         // the dataUri of the part.
    714         part.setDataUri(res);
    715 
    716         return res;
    717     }
    718 
    719     /**
    720      * Save data of the part into storage. The source data may be given
    721      * by a byte[] or a Uri. If it's a byte[], directly save it
    722      * into storage, otherwise load source data from the dataUri and then
    723      * save it. If the data is an image, we may scale down it according
    724      * to user preference.
    725      *
    726      * @param part The PDU part which contains data to be saved.
    727      * @param uri The URI of the part.
    728      * @param contentType The MIME type of the part.
    729      * @throws MmsException Cannot find source data or error occurred
    730      *         while saving the data.
    731      */
    732     private void persistData(PduPart part, Uri uri,
    733             String contentType)
    734             throws MmsException {
    735         OutputStream os = null;
    736         InputStream is = null;
    737 
    738         try {
    739             byte[] data = part.getData();
    740             if (ContentType.TEXT_PLAIN.equals(contentType)
    741                     || ContentType.APP_SMIL.equals(contentType)
    742                     || ContentType.TEXT_HTML.equals(contentType)) {
    743                 ContentValues cv = new ContentValues();
    744                 cv.put(Telephony.Mms.Part.TEXT, new EncodedStringValue(data).getString());
    745                 if (mContentResolver.update(uri, cv, null, null) != 1) {
    746                     throw new MmsException("unable to update " + uri.toString());
    747                 }
    748             } else {
    749                 os = mContentResolver.openOutputStream(uri);
    750                 if (data == null) {
    751                     Uri dataUri = part.getDataUri();
    752                     if ((dataUri == null) || (dataUri == uri)) {
    753                         Log.w(TAG, "Can't find data for this part.");
    754                         return;
    755                     }
    756                     is = mContentResolver.openInputStream(dataUri);
    757 
    758                     if (LOCAL_LOGV) {
    759                         Log.v(TAG, "Saving data to: " + uri);
    760                     }
    761 
    762                     byte[] buffer = new byte[256];
    763                     for (int len = 0; (len = is.read(buffer)) != -1; ) {
    764                         os.write(buffer, 0, len);
    765                     }
    766                 } else {
    767                     if (LOCAL_LOGV) {
    768                         Log.v(TAG, "Saving data to: " + uri);
    769                     }
    770                     os.write(data);
    771                 }
    772             }
    773         } catch (FileNotFoundException e) {
    774             Log.e(TAG, "Failed to open Input/Output stream.", e);
    775             throw new MmsException(e);
    776         } catch (IOException e) {
    777             Log.e(TAG, "Failed to read/write data.", e);
    778             throw new MmsException(e);
    779         } finally {
    780             if (os != null) {
    781                 try {
    782                     os.close();
    783                 } catch (IOException e) {
    784                     Log.e(TAG, "IOException while closing: " + os, e);
    785                 } // Ignore
    786             }
    787             if (is != null) {
    788                 try {
    789                     is.close();
    790                 } catch (IOException e) {
    791                     Log.e(TAG, "IOException while closing: " + is, e);
    792                 } // Ignore
    793             }
    794         }
    795     }
    796 
    797     private void updateAddress(
    798             long msgId, int type, EncodedStringValue[] array) {
    799         // Delete old address information and then insert new ones.
    800         SqliteWrapper.delete(mContext, mContentResolver,
    801                 Uri.parse("content://mms/" + msgId + "/addr"),
    802                 Addr.TYPE + "=" + type, null);
    803 
    804         persistAddress(msgId, type, array);
    805     }
    806 
    807     /**
    808      * Update headers of a SendReq.
    809      *
    810      * @param uri The PDU which need to be updated.
    811      * @param pdu New headers.
    812      * @throws MmsException Bad URI or updating failed.
    813      */
    814     public void updateHeaders(Uri uri, SendReq sendReq) {
    815         PDU_CACHE_INSTANCE.purge(uri);
    816 
    817         ContentValues values = new ContentValues(10);
    818         byte[] contentType = sendReq.getContentType();
    819         if (contentType != null) {
    820             values.put(Mms.CONTENT_TYPE, toIsoString(contentType));
    821         }
    822 
    823         long date = sendReq.getDate();
    824         if (date != -1) {
    825             values.put(Mms.DATE, date);
    826         }
    827 
    828         int deliveryReport = sendReq.getDeliveryReport();
    829         if (deliveryReport != 0) {
    830             values.put(Mms.DELIVERY_REPORT, deliveryReport);
    831         }
    832 
    833         long expiry = sendReq.getExpiry();
    834         if (expiry != -1) {
    835             values.put(Mms.EXPIRY, expiry);
    836         }
    837 
    838         byte[] msgClass = sendReq.getMessageClass();
    839         if (msgClass != null) {
    840             values.put(Mms.MESSAGE_CLASS, toIsoString(msgClass));
    841         }
    842 
    843         int priority = sendReq.getPriority();
    844         if (priority != 0) {
    845             values.put(Mms.PRIORITY, priority);
    846         }
    847 
    848         int readReport = sendReq.getReadReport();
    849         if (readReport != 0) {
    850             values.put(Mms.READ_REPORT, readReport);
    851         }
    852 
    853         byte[] transId = sendReq.getTransactionId();
    854         if (transId != null) {
    855             values.put(Mms.TRANSACTION_ID, toIsoString(transId));
    856         }
    857 
    858         EncodedStringValue subject = sendReq.getSubject();
    859         if (subject != null) {
    860             values.put(Mms.SUBJECT, toIsoString(subject.getTextString()));
    861             values.put(Mms.SUBJECT_CHARSET, subject.getCharacterSet());
    862         } else {
    863             values.put(Mms.SUBJECT, "");
    864         }
    865 
    866         long messageSize = sendReq.getMessageSize();
    867         if (messageSize > 0) {
    868             values.put(Mms.MESSAGE_SIZE, messageSize);
    869         }
    870 
    871         PduHeaders headers = sendReq.getPduHeaders();
    872         HashSet<String> recipients = new HashSet<String>();
    873         for (int addrType : ADDRESS_FIELDS) {
    874             EncodedStringValue[] array = null;
    875             if (addrType == PduHeaders.FROM) {
    876                 EncodedStringValue v = headers.getEncodedStringValue(addrType);
    877                 if (v != null) {
    878                     array = new EncodedStringValue[1];
    879                     array[0] = v;
    880                 }
    881             } else {
    882                 array = headers.getEncodedStringValues(addrType);
    883             }
    884 
    885             if (array != null) {
    886                 long msgId = ContentUris.parseId(uri);
    887                 updateAddress(msgId, addrType, array);
    888                 if (addrType == PduHeaders.TO) {
    889                     for (EncodedStringValue v : array) {
    890                         if (v != null) {
    891                             recipients.add(v.getString());
    892                         }
    893                     }
    894                 }
    895             }
    896         }
    897 
    898         long threadId = Threads.getOrCreateThreadId(mContext, recipients);
    899         values.put(Mms.THREAD_ID, threadId);
    900 
    901         SqliteWrapper.update(mContext, mContentResolver, uri, values, null, null);
    902     }
    903 
    904     private void updatePart(Uri uri, PduPart part) throws MmsException {
    905         ContentValues values = new ContentValues(7);
    906 
    907         int charset = part.getCharset();
    908         if (charset != 0 ) {
    909             values.put(Part.CHARSET, charset);
    910         }
    911 
    912         String contentType = null;
    913         if (part.getContentType() != null) {
    914             contentType = toIsoString(part.getContentType());
    915             values.put(Part.CONTENT_TYPE, contentType);
    916         } else {
    917             throw new MmsException("MIME type of the part must be set.");
    918         }
    919 
    920         if (part.getFilename() != null) {
    921             String fileName = new String(part.getFilename());
    922             values.put(Part.FILENAME, fileName);
    923         }
    924 
    925         if (part.getName() != null) {
    926             String name = new String(part.getName());
    927             values.put(Part.NAME, name);
    928         }
    929 
    930         Object value = null;
    931         if (part.getContentDisposition() != null) {
    932             value = toIsoString(part.getContentDisposition());
    933             values.put(Part.CONTENT_DISPOSITION, (String) value);
    934         }
    935 
    936         if (part.getContentId() != null) {
    937             value = toIsoString(part.getContentId());
    938             values.put(Part.CONTENT_ID, (String) value);
    939         }
    940 
    941         if (part.getContentLocation() != null) {
    942             value = toIsoString(part.getContentLocation());
    943             values.put(Part.CONTENT_LOCATION, (String) value);
    944         }
    945 
    946         SqliteWrapper.update(mContext, mContentResolver, uri, values, null, null);
    947 
    948         // Only update the data when:
    949         // 1. New binary data supplied or
    950         // 2. The Uri of the part is different from the current one.
    951         if ((part.getData() != null)
    952                 || (uri != part.getDataUri())) {
    953             persistData(part, uri, contentType);
    954         }
    955     }
    956 
    957     /**
    958      * Update all parts of a PDU.
    959      *
    960      * @param uri The PDU which need to be updated.
    961      * @param body New message body of the PDU.
    962      * @throws MmsException Bad URI or updating failed.
    963      */
    964     public void updateParts(Uri uri, PduBody body)
    965             throws MmsException {
    966         PduCacheEntry cacheEntry = PDU_CACHE_INSTANCE.get(uri);
    967         if (cacheEntry != null) {
    968             ((MultimediaMessagePdu) cacheEntry.getPdu()).setBody(body);
    969         }
    970 
    971         ArrayList<PduPart> toBeCreated = new ArrayList<PduPart>();
    972         HashMap<Uri, PduPart> toBeUpdated = new HashMap<Uri, PduPart>();
    973 
    974         int partsNum = body.getPartsNum();
    975         StringBuilder filter = new StringBuilder().append('(');
    976         for (int i = 0; i < partsNum; i++) {
    977             PduPart part = body.getPart(i);
    978             Uri partUri = part.getDataUri();
    979             if ((partUri == null) || !partUri.getAuthority().startsWith("mms")) {
    980                 toBeCreated.add(part);
    981             } else {
    982                 toBeUpdated.put(partUri, part);
    983 
    984                 // Don't use 'i > 0' to determine whether we should append
    985                 // 'AND' since 'i = 0' may be skipped in another branch.
    986                 if (filter.length() > 1) {
    987                     filter.append(" AND ");
    988                 }
    989 
    990                 filter.append(Part._ID);
    991                 filter.append("!=");
    992                 DatabaseUtils.appendEscapedSQLString(filter, partUri.getLastPathSegment());
    993             }
    994         }
    995         filter.append(')');
    996 
    997         long msgId = ContentUris.parseId(uri);
    998 
    999         // Remove the parts which doesn't exist anymore.
   1000         SqliteWrapper.delete(mContext, mContentResolver,
   1001                 Uri.parse(Mms.CONTENT_URI + "/" + msgId + "/part"),
   1002                 filter.length() > 2 ? filter.toString() : null, null);
   1003 
   1004         // Create new parts which didn't exist before.
   1005         for (PduPart part : toBeCreated) {
   1006             persistPart(part, msgId);
   1007         }
   1008 
   1009         // Update the modified parts.
   1010         for (Map.Entry<Uri, PduPart> e : toBeUpdated.entrySet()) {
   1011             updatePart(e.getKey(), e.getValue());
   1012         }
   1013     }
   1014 
   1015     /**
   1016      * Persist a PDU object to specific location in the storage.
   1017      *
   1018      * @param pdu The PDU object to be stored.
   1019      * @param uri Where to store the given PDU object.
   1020      * @return A Uri which can be used to access the stored PDU.
   1021      */
   1022     public Uri persist(GenericPdu pdu, Uri uri) throws MmsException {
   1023         if (uri == null) {
   1024             throw new MmsException("Uri may not be null.");
   1025         }
   1026 
   1027         Integer msgBox = MESSAGE_BOX_MAP.get(uri);
   1028         if (msgBox == null) {
   1029             throw new MmsException(
   1030                     "Bad destination, must be one of "
   1031                     + "content://mms/inbox, content://mms/sent, "
   1032                     + "content://mms/drafts, content://mms/outbox, "
   1033                     + "content://mms/temp.");
   1034         }
   1035         PDU_CACHE_INSTANCE.purge(uri);
   1036 
   1037         PduHeaders header = pdu.getPduHeaders();
   1038         PduBody body = null;
   1039         ContentValues values = new ContentValues();
   1040         Set<Entry<Integer, String>> set;
   1041 
   1042         set = ENCODED_STRING_COLUMN_NAME_MAP.entrySet();
   1043         for (Entry<Integer, String> e : set) {
   1044             int field = e.getKey();
   1045             EncodedStringValue encodedString = header.getEncodedStringValue(field);
   1046             if (encodedString != null) {
   1047                 String charsetColumn = CHARSET_COLUMN_NAME_MAP.get(field);
   1048                 values.put(e.getValue(), toIsoString(encodedString.getTextString()));
   1049                 values.put(charsetColumn, encodedString.getCharacterSet());
   1050             }
   1051         }
   1052 
   1053         set = TEXT_STRING_COLUMN_NAME_MAP.entrySet();
   1054         for (Entry<Integer, String> e : set){
   1055             byte[] text = header.getTextString(e.getKey());
   1056             if (text != null) {
   1057                 values.put(e.getValue(), toIsoString(text));
   1058             }
   1059         }
   1060 
   1061         set = OCTET_COLUMN_NAME_MAP.entrySet();
   1062         for (Entry<Integer, String> e : set){
   1063             int b = header.getOctet(e.getKey());
   1064             if (b != 0) {
   1065                 values.put(e.getValue(), b);
   1066             }
   1067         }
   1068 
   1069         set = LONG_COLUMN_NAME_MAP.entrySet();
   1070         for (Entry<Integer, String> e : set){
   1071             long l = header.getLongInteger(e.getKey());
   1072             if (l != -1L) {
   1073                 values.put(e.getValue(), l);
   1074             }
   1075         }
   1076 
   1077         HashMap<Integer, EncodedStringValue[]> addressMap =
   1078                 new HashMap<Integer, EncodedStringValue[]>(ADDRESS_FIELDS.length);
   1079         // Save address information.
   1080         for (int addrType : ADDRESS_FIELDS) {
   1081             EncodedStringValue[] array = null;
   1082             if (addrType == PduHeaders.FROM) {
   1083                 EncodedStringValue v = header.getEncodedStringValue(addrType);
   1084                 if (v != null) {
   1085                     array = new EncodedStringValue[1];
   1086                     array[0] = v;
   1087                 }
   1088             } else {
   1089                 array = header.getEncodedStringValues(addrType);
   1090             }
   1091             addressMap.put(addrType, array);
   1092         }
   1093 
   1094         HashSet<String> recipients = new HashSet<String>();
   1095         long threadId = DUMMY_THREAD_ID;
   1096         int msgType = pdu.getMessageType();
   1097         // Here we only allocate thread ID for M-Notification.ind,
   1098         // M-Retrieve.conf and M-Send.req.
   1099         // Some of other PDU types may be allocated a thread ID outside
   1100         // this scope.
   1101         if ((msgType == PduHeaders.MESSAGE_TYPE_NOTIFICATION_IND)
   1102                 || (msgType == PduHeaders.MESSAGE_TYPE_RETRIEVE_CONF)
   1103                 || (msgType == PduHeaders.MESSAGE_TYPE_SEND_REQ)) {
   1104             EncodedStringValue[] array = null;
   1105             switch (msgType) {
   1106                 case PduHeaders.MESSAGE_TYPE_NOTIFICATION_IND:
   1107                 case PduHeaders.MESSAGE_TYPE_RETRIEVE_CONF:
   1108                     array = addressMap.get(PduHeaders.FROM);
   1109                     break;
   1110                 case PduHeaders.MESSAGE_TYPE_SEND_REQ:
   1111                     array = addressMap.get(PduHeaders.TO);
   1112                     break;
   1113             }
   1114 
   1115             if (array != null) {
   1116                 for (EncodedStringValue v : array) {
   1117                     if (v != null) {
   1118                         recipients.add(v.getString());
   1119                     }
   1120                 }
   1121             }
   1122             threadId = Threads.getOrCreateThreadId(mContext, recipients);
   1123         }
   1124         values.put(Mms.THREAD_ID, threadId);
   1125 
   1126         // Save parts first to avoid inconsistent message is loaded
   1127         // while saving the parts.
   1128         long dummyId = System.currentTimeMillis(); // Dummy ID of the msg.
   1129         // Get body if the PDU is a RetrieveConf or SendReq.
   1130         if (pdu instanceof MultimediaMessagePdu) {
   1131             body = ((MultimediaMessagePdu) pdu).getBody();
   1132             // Start saving parts if necessary.
   1133             if (body != null) {
   1134                 int partsNum = body.getPartsNum();
   1135                 for (int i = 0; i < partsNum; i++) {
   1136                     PduPart part = body.getPart(i);
   1137                     persistPart(part, dummyId);
   1138                 }
   1139             }
   1140         }
   1141 
   1142         Uri res = SqliteWrapper.insert(mContext, mContentResolver, uri, values);
   1143         if (res == null) {
   1144             throw new MmsException("persist() failed: return null.");
   1145         }
   1146 
   1147         // Get the real ID of the PDU and update all parts which were
   1148         // saved with the dummy ID.
   1149         long msgId = ContentUris.parseId(res);
   1150         values = new ContentValues(1);
   1151         values.put(Part.MSG_ID, msgId);
   1152         SqliteWrapper.update(mContext, mContentResolver,
   1153                              Uri.parse("content://mms/" + dummyId + "/part"),
   1154                              values, null, null);
   1155         // We should return the longest URI of the persisted PDU, for
   1156         // example, if input URI is "content://mms/inbox" and the _ID of
   1157         // persisted PDU is '8', we should return "content://mms/inbox/8"
   1158         // instead of "content://mms/8".
   1159         // FIXME: Should the MmsProvider be responsible for this???
   1160         res = Uri.parse(uri + "/" + msgId);
   1161 
   1162         // Save address information.
   1163         for (int addrType : ADDRESS_FIELDS) {
   1164             EncodedStringValue[] array = addressMap.get(addrType);
   1165             if (array != null) {
   1166                 persistAddress(msgId, addrType, array);
   1167             }
   1168         }
   1169 
   1170         return res;
   1171     }
   1172 
   1173     /**
   1174      * Move a PDU object from one location to another.
   1175      *
   1176      * @param from Specify the PDU object to be moved.
   1177      * @param to The destination location, should be one of the following:
   1178      *        "content://mms/inbox", "content://mms/sent",
   1179      *        "content://mms/drafts", "content://mms/outbox",
   1180      *        "content://mms/trash".
   1181      * @return New Uri of the moved PDU.
   1182      * @throws MmsException Error occurred while moving the message.
   1183      */
   1184     public Uri move(Uri from, Uri to) throws MmsException {
   1185         // Check whether the 'msgId' has been assigned a valid value.
   1186         long msgId = ContentUris.parseId(from);
   1187         if (msgId == -1L) {
   1188             throw new MmsException("Error! ID of the message: -1.");
   1189         }
   1190 
   1191         // Get corresponding int value of destination box.
   1192         Integer msgBox = MESSAGE_BOX_MAP.get(to);
   1193         if (msgBox == null) {
   1194             throw new MmsException(
   1195                     "Bad destination, must be one of "
   1196                     + "content://mms/inbox, content://mms/sent, "
   1197                     + "content://mms/drafts, content://mms/outbox, "
   1198                     + "content://mms/temp.");
   1199         }
   1200 
   1201         ContentValues values = new ContentValues(1);
   1202         values.put(Mms.MESSAGE_BOX, msgBox);
   1203         SqliteWrapper.update(mContext, mContentResolver, from, values, null, null);
   1204         return ContentUris.withAppendedId(to, msgId);
   1205     }
   1206 
   1207     /**
   1208      * Wrap a byte[] into a String.
   1209      */
   1210     public static String toIsoString(byte[] bytes) {
   1211         try {
   1212             return new String(bytes, CharacterSets.MIMENAME_ISO_8859_1);
   1213         } catch (UnsupportedEncodingException e) {
   1214             // Impossible to reach here!
   1215             Log.e(TAG, "ISO_8859_1 must be supported!", e);
   1216             return "";
   1217         }
   1218     }
   1219 
   1220     /**
   1221      * Unpack a given String into a byte[].
   1222      */
   1223     public static byte[] getBytes(String data) {
   1224         try {
   1225             return data.getBytes(CharacterSets.MIMENAME_ISO_8859_1);
   1226         } catch (UnsupportedEncodingException e) {
   1227             // Impossible to reach here!
   1228             Log.e(TAG, "ISO_8859_1 must be supported!", e);
   1229             return new byte[0];
   1230         }
   1231     }
   1232 
   1233     /**
   1234      * Remove all objects in the temporary path.
   1235      */
   1236     public void release() {
   1237         Uri uri = Uri.parse(TEMPORARY_DRM_OBJECT_URI);
   1238         SqliteWrapper.delete(mContext, mContentResolver, uri, null, null);
   1239     }
   1240 
   1241     /**
   1242      * Find all messages to be sent or downloaded before certain time.
   1243      */
   1244     public Cursor getPendingMessages(long dueTime) {
   1245         Uri.Builder uriBuilder = PendingMessages.CONTENT_URI.buildUpon();
   1246         uriBuilder.appendQueryParameter("protocol", "mms");
   1247 
   1248         String selection = PendingMessages.ERROR_TYPE + " < ?"
   1249                 + " AND " + PendingMessages.DUE_TIME + " <= ?";
   1250 
   1251         String[] selectionArgs = new String[] {
   1252                 String.valueOf(MmsSms.ERR_TYPE_GENERIC_PERMANENT),
   1253                 String.valueOf(dueTime)
   1254         };
   1255 
   1256         return SqliteWrapper.query(mContext, mContentResolver,
   1257                 uriBuilder.build(), null, selection, selectionArgs,
   1258                 PendingMessages.DUE_TIME);
   1259     }
   1260 }
   1261