示例#1
0
  /**
   * Fetches and parses the message envelopes for the supplied messages. The idea is to have this be
   * recursive so that we do a series of medium calls instead of one large massive call or a large
   * number of smaller calls. Call it a happy balance
   */
  private void fetchEnvelope(
      List<WebDavMessage> startMessages, MessageRetrievalListener<WebDavMessage> listener)
      throws MessagingException {
    Map<String, String> headers = new HashMap<String, String>();
    String messageBody;
    String[] uids;
    List<WebDavMessage> messages = new ArrayList<WebDavMessage>(10);

    if (startMessages == null || startMessages.isEmpty()) {
      return;
    }

    if (startMessages.size() > 10) {
      List<WebDavMessage> newMessages = new ArrayList<WebDavMessage>(startMessages.size() - 10);
      for (int i = 0, count = startMessages.size(); i < count; i++) {
        if (i < 10) {
          messages.add(i, startMessages.get(i));
        } else {
          newMessages.add(i - 10, startMessages.get(i));
        }
      }

      fetchEnvelope(newMessages, listener);
    } else {
      messages.addAll(startMessages);
    }

    uids = new String[messages.size()];

    for (int i = 0, count = messages.size(); i < count; i++) {
      uids[i] = messages.get(i).getUid();
    }

    messageBody = store.getMessageEnvelopeXml(uids);
    headers.put("Brief", "t");
    DataSet dataset = store.processRequest(this.mFolderUrl, "SEARCH", messageBody, headers);

    Map<String, ParsedMessageEnvelope> envelopes = dataset.getMessageEnvelopes();

    int count = messages.size();
    for (int i = messages.size() - 1; i >= 0; i--) {
      WebDavMessage message = messages.get(i);
      if (listener != null) {
        listener.messageStarted(messages.get(i).getUid(), i, count);
      }

      ParsedMessageEnvelope envelope = envelopes.get(message.getUid());
      if (envelope != null) {
        message.setNewHeaders(envelope);
        message.setFlagInternal(Flag.SEEN, envelope.getReadStatus());
      } else {
        Log.e(LOG_TAG, "Asked to get metadata for a non-existent message: " + message.getUid());
      }

      if (listener != null) {
        listener.messageFinished(messages.get(i), i, count);
      }
    }
  }
示例#2
0
  @Override
  public List<WebDavMessage> getMessages(
      int start, int end, Date earliestDate, MessageRetrievalListener<WebDavMessage> listener)
      throws MessagingException {
    List<WebDavMessage> messages = new ArrayList<WebDavMessage>();
    String[] uids;
    Map<String, String> headers = new HashMap<String, String>();
    int uidsLength;

    String messageBody;
    int prevStart = start;

    /** Reverse the message range since 0 index is newest */
    start = this.mMessageCount - end;
    end = start + (end - prevStart);

    if (start < 0 || end < 0 || end < start) {
      throw new MessagingException(
          String.format(Locale.US, "Invalid message set %d %d", start, end));
    }

    if (start == 0 && end < 10) {
      end = 10;
    }

    /** Verify authentication */
    messageBody = store.getMessagesXml();

    headers.put("Brief", "t");
    headers.put("Range", "rows=" + start + "-" + end);
    DataSet dataset = store.processRequest(this.mFolderUrl, "SEARCH", messageBody, headers);
    uids = dataset.getUids();
    Map<String, String> uidToUrl = dataset.getUidToUrl();
    uidsLength = uids.length;

    for (int i = 0; i < uidsLength; i++) {
      if (listener != null) {
        listener.messageStarted(uids[i], i, uidsLength);
      }
      WebDavMessage message = new WebDavMessage(uids[i], this);
      message.setUrl(uidToUrl.get(uids[i]));
      messages.add(message);

      if (listener != null) {
        listener.messageFinished(message, i, uidsLength);
      }
    }

    return messages;
  }
    @Override
    public List<Pop3Message> getMessages(
        int start, int end, Date earliestDate, MessageRetrievalListener<Pop3Message> listener)
        throws MessagingException {
      if (start < 1 || end < 1 || end < start) {
        throw new MessagingException(
            String.format(Locale.US, "Invalid message set %d %d", start, end));
      }
      try {
        indexMsgNums(start, end);
      } catch (IOException ioe) {
        throw new MessagingException("getMessages", ioe);
      }
      List<Pop3Message> messages = new ArrayList<Pop3Message>();
      int i = 0;
      for (int msgNum = start; msgNum <= end; msgNum++) {
        Pop3Message message = mMsgNumToMsgMap.get(msgNum);
        if (message == null) {
          /*
           * There could be gaps in the message numbers or malformed
           * responses which lead to "gaps" in mMsgNumToMsgMap.
           *
           * See issue 2252
           */
          continue;
        }

        if (listener != null) {
          listener.messageStarted(message.getUid(), i++, (end - start) + 1);
        }
        messages.add(message);
        if (listener != null) {
          listener.messageFinished(message, i++, (end - start) + 1);
        }
      }
      return messages;
    }
示例#4
0
  /**
   * Fetches the full messages or up to {@param lines} lines and passes them to the message parser.
   */
  private void fetchMessages(
      List<WebDavMessage> messages, MessageRetrievalListener<WebDavMessage> listener, int lines)
      throws MessagingException {
    WebDavHttpClient httpclient;
    httpclient = store.getHttpClient();

    /** We can't hand off to processRequest() since we need the stream to parse. */
    for (int i = 0, count = messages.size(); i < count; i++) {
      WebDavMessage wdMessage = messages.get(i);
      int statusCode = 0;

      if (listener != null) {
        listener.messageStarted(wdMessage.getUid(), i, count);
      }

      /**
       * If fetch is called outside of the initial list (ie, a locally stored message), it may not
       * have a URL associated. Verify and fix that
       */
      if (wdMessage.getUrl().equals("")) {
        wdMessage.setUrl(getMessageUrls(new String[] {wdMessage.getUid()}).get(wdMessage.getUid()));
        Log.i(
            LOG_TAG,
            "Fetching messages with UID = '"
                + wdMessage.getUid()
                + "', URL = '"
                + wdMessage.getUrl()
                + "'");
        if (wdMessage.getUrl().equals("")) {
          throw new MessagingException("Unable to get URL for message");
        }
      }

      try {
        Log.i(
            LOG_TAG,
            "Fetching message with UID = '"
                + wdMessage.getUid()
                + "', URL = '"
                + wdMessage.getUrl()
                + "'");
        HttpGet httpget = new HttpGet(new URI(wdMessage.getUrl()));
        HttpResponse response;
        HttpEntity entity;

        httpget.setHeader("translate", "f");
        if (store.getAuthentication() == WebDavConstants.AUTH_TYPE_BASIC) {
          httpget.setHeader("Authorization", store.getAuthString());
        }
        response = httpclient.executeOverride(httpget, store.getContext());

        statusCode = response.getStatusLine().getStatusCode();

        entity = response.getEntity();

        if (statusCode < 200 || statusCode > 300) {
          throw new IOException(
              "Error during with code "
                  + statusCode
                  + " during fetch: "
                  + response.getStatusLine().toString());
        }

        if (entity != null) {
          InputStream istream = null;
          StringBuilder buffer = new StringBuilder();
          String tempText;
          String resultText;
          BufferedReader reader = null;
          int currentLines = 0;

          try {
            istream = WebDavHttpClient.getUngzippedContent(entity);

            if (lines != -1) {
              // Convert the ungzipped input stream into a StringBuilder
              // containing the given line count
              reader = new BufferedReader(new InputStreamReader(istream), 8192);

              while ((tempText = reader.readLine()) != null && (currentLines < lines)) {
                buffer.append(tempText).append("\r\n");
                currentLines++;
              }

              IOUtils.closeQuietly(istream);

              resultText = buffer.toString();
              istream = new ByteArrayInputStream(resultText.getBytes("UTF-8"));
            }
            // Parse either the entire message stream, or a stream of the given lines
            wdMessage.parse(istream);

          } catch (IOException ioe) {
            Log.e(
                LOG_TAG,
                "IOException: "
                    + ioe.getMessage()
                    + "\nTrace: "
                    + WebDavUtils.processException(ioe));
            throw new MessagingException("I/O Error", ioe);
          } finally {
            IOUtils.closeQuietly(reader);
            IOUtils.closeQuietly(istream);
          }
        } else {
          Log.v(LOG_TAG, "Empty response");
        }

      } catch (IllegalArgumentException iae) {
        Log.e(
            LOG_TAG,
            "IllegalArgumentException caught "
                + iae
                + "\nTrace: "
                + WebDavUtils.processException(iae));
        throw new MessagingException("IllegalArgumentException caught", iae);
      } catch (URISyntaxException use) {
        Log.e(
            LOG_TAG,
            "URISyntaxException caught " + use + "\nTrace: " + WebDavUtils.processException(use));
        throw new MessagingException("URISyntaxException caught", use);
      } catch (IOException ioe) {
        Log.e(
            LOG_TAG,
            "Non-success response code loading message, response code was "
                + statusCode
                + "\nURL: "
                + wdMessage.getUrl()
                + "\nError: "
                + ioe.getMessage()
                + "\nTrace: "
                + WebDavUtils.processException(ioe));
        throw new MessagingException("Failure code " + statusCode, ioe);
      }

      if (listener != null) {
        listener.messageFinished(wdMessage, i, count);
      }
    }
  }
 private void fetchEnvelope(
     List<Pop3Message> messages, MessageRetrievalListener<Pop3Message> listener)
     throws IOException, MessagingException {
   int unsizedMessages = 0;
   for (Message message : messages) {
     if (message.getSize() == -1) {
       unsizedMessages++;
     }
   }
   if (unsizedMessages == 0) {
     return;
   }
   if (unsizedMessages < 50 && mMessageCount > 5000) {
     /*
      * In extreme cases we'll do a command per message instead of a bulk request
      * to hopefully save some time and bandwidth.
      */
     for (int i = 0, count = messages.size(); i < count; i++) {
       Pop3Message message = messages.get(i);
       if (listener != null) {
         listener.messageStarted(message.getUid(), i, count);
       }
       String response =
           executeSimpleCommand(
               String.format(
                   Locale.US, LIST_COMMAND + " %d", mUidToMsgNumMap.get(message.getUid())));
       String[] listParts = response.split(" ");
       // int msgNum = Integer.parseInt(listParts[1]);
       int msgSize = Integer.parseInt(listParts[2]);
       message.setSize(msgSize);
       if (listener != null) {
         listener.messageFinished(message, i, count);
       }
     }
   } else {
     Set<String> msgUidIndex = new HashSet<String>();
     for (Message message : messages) {
       msgUidIndex.add(message.getUid());
     }
     int i = 0, count = messages.size();
     String response = executeSimpleCommand(LIST_COMMAND);
     while ((response = readLine()) != null) {
       if (response.equals(".")) {
         break;
       }
       String[] listParts = response.split(" ");
       int msgNum = Integer.parseInt(listParts[0]);
       int msgSize = Integer.parseInt(listParts[1]);
       Pop3Message pop3Message = mMsgNumToMsgMap.get(msgNum);
       if (pop3Message != null && msgUidIndex.contains(pop3Message.getUid())) {
         if (listener != null) {
           listener.messageStarted(pop3Message.getUid(), i, count);
         }
         pop3Message.setSize(msgSize);
         if (listener != null) {
           listener.messageFinished(pop3Message, i, count);
         }
         i++;
       }
     }
   }
 }
 /**
  * Fetch the items contained in the FetchProfile into the given set of Messages in as efficient
  * a manner as possible.
  *
  * @param messages
  * @param fp
  * @throws MessagingException
  */
 @Override
 public void fetch(
     List<Pop3Message> messages, FetchProfile fp, MessageRetrievalListener<Pop3Message> listener)
     throws MessagingException {
   if (messages == null || messages.isEmpty()) {
     return;
   }
   List<String> uids = new ArrayList<String>();
   for (Message message : messages) {
     uids.add(message.getUid());
   }
   try {
     indexUids(uids);
   } catch (IOException ioe) {
     throw new MessagingException("fetch", ioe);
   }
   try {
     if (fp.contains(FetchProfile.Item.ENVELOPE)) {
       /*
        * We pass the listener only if there are other things to do in the
        * FetchProfile. Since fetchEnvelop works in bulk and eveything else
        * works one at a time if we let fetchEnvelope send events the
        * event would get sent twice.
        */
       fetchEnvelope(messages, fp.size() == 1 ? listener : null);
     }
   } catch (IOException ioe) {
     throw new MessagingException("fetch", ioe);
   }
   for (int i = 0, count = messages.size(); i < count; i++) {
     Pop3Message pop3Message = messages.get(i);
     try {
       if (listener != null && !fp.contains(FetchProfile.Item.ENVELOPE)) {
         listener.messageStarted(pop3Message.getUid(), i, count);
       }
       if (fp.contains(FetchProfile.Item.BODY)) {
         fetchBody(pop3Message, -1);
       } else if (fp.contains(FetchProfile.Item.BODY_SANE)) {
         /*
          * To convert the suggested download size we take the size
          * divided by the maximum line size (76).
          */
         if (mStoreConfig.getMaximumAutoDownloadMessageSize() > 0) {
           fetchBody(pop3Message, (mStoreConfig.getMaximumAutoDownloadMessageSize() / 76));
         } else {
           fetchBody(pop3Message, -1);
         }
       } else if (fp.contains(FetchProfile.Item.STRUCTURE)) {
         /*
          * If the user is requesting STRUCTURE we are required to set the body
          * to null since we do not support the function.
          */
         pop3Message.setBody(null);
       }
       if (listener != null && !(fp.contains(FetchProfile.Item.ENVELOPE) && fp.size() == 1)) {
         listener.messageFinished(pop3Message, i, count);
       }
     } catch (IOException ioe) {
       throw new MessagingException("Unable to fetch message", ioe);
     }
   }
 }