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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.android.mms.transaction;
     19 
     20 import com.google.android.mms.MmsException;
     21 import com.google.android.mms.pdu.PduComposer;
     22 import com.google.android.mms.pdu.PduPersister;
     23 import com.google.android.mms.pdu.ReadRecInd;
     24 import com.google.android.mms.pdu.EncodedStringValue;
     25 import com.android.mms.ui.MessageUtils;
     26 
     27 import android.content.Context;
     28 import android.net.Uri;
     29 import android.provider.Telephony.Mms.Sent;
     30 import android.util.Log;
     31 
     32 import java.io.IOException;
     33 
     34 /**
     35  * The ReadRecTransaction is responsible for sending read report
     36  * notifications (M-read-rec.ind) to clients that have requested them.
     37  * It:
     38  *
     39  * <ul>
     40  * <li>Loads the read report indication from storage (Outbox).
     41  * <li>Packs M-read-rec.ind and sends it.
     42  * <li>Notifies the TransactionService about succesful completion.
     43  * </ul>
     44  */
     45 public class ReadRecTransaction extends Transaction {
     46     private static final String TAG = "ReadRecTransaction";
     47     private static final boolean DEBUG = false;
     48     private static final boolean LOCAL_LOGV = false;
     49 
     50     private final Uri mReadReportURI;
     51 
     52     public ReadRecTransaction(Context context,
     53             int transId,
     54             TransactionSettings connectionSettings,
     55             String uri) {
     56         super(context, transId, connectionSettings);
     57         mReadReportURI = Uri.parse(uri);
     58         mId = uri;
     59 
     60         // Attach the transaction to the instance of RetryScheduler.
     61         attach(RetryScheduler.getInstance(context));
     62     }
     63 
     64     /*
     65      * (non-Javadoc)
     66      * @see com.android.mms.Transaction#process()
     67      */
     68     @Override
     69     public void process() {
     70         PduPersister persister = PduPersister.getPduPersister(mContext);
     71 
     72         try {
     73             // Load M-read-rec.ind from outbox
     74             ReadRecInd readRecInd = (ReadRecInd) persister.load(mReadReportURI);
     75 
     76             // insert the 'from' address per spec
     77             String lineNumber = MessageUtils.getLocalNumber();
     78             readRecInd.setFrom(new EncodedStringValue(lineNumber));
     79 
     80             // Pack M-read-rec.ind and send it
     81             byte[] postingData = new PduComposer(mContext, readRecInd).make();
     82             sendPdu(postingData);
     83 
     84             Uri uri = persister.move(mReadReportURI, Sent.CONTENT_URI);
     85             mTransactionState.setState(TransactionState.SUCCESS);
     86             mTransactionState.setContentUri(uri);
     87         } catch (IOException e) {
     88             if (LOCAL_LOGV) {
     89                 Log.v(TAG, "Failed to send M-Read-Rec.Ind.", e);
     90             }
     91         } catch (MmsException e) {
     92             if (LOCAL_LOGV) {
     93                 Log.v(TAG, "Failed to load message from Outbox.", e);
     94             }
     95         } catch (RuntimeException e) {
     96             if (LOCAL_LOGV) {
     97                 Log.e(TAG, "Unexpected RuntimeException.", e);
     98             }
     99         } finally {
    100             if (mTransactionState.getState() != TransactionState.SUCCESS) {
    101                 mTransactionState.setState(TransactionState.FAILED);
    102                 mTransactionState.setContentUri(mReadReportURI);
    103             }
    104             notifyObservers();
    105         }
    106     }
    107 
    108     @Override
    109     public int getType() {
    110         return READREC_TRANSACTION;
    111     }
    112 }
    113