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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.Config;
31 import android.util.Log;
32 
33 import java.io.IOException;
34 
35 /**
36  * The ReadRecTransaction is responsible for sending read report
37  * notifications (M-read-rec.ind) to clients that have requested them.
38  * It:
39  *
40  * <ul>
41  * <li>Loads the read report indication from storage (Outbox).
42  * <li>Packs M-read-rec.ind and sends it.
43  * <li>Notifies the TransactionService about succesful completion.
44  * </ul>
45  */
46 public class ReadRecTransaction extends Transaction {
47     private static final String TAG = "ReadRecTransaction";
48     private static final boolean DEBUG = false;
49     private static final boolean LOCAL_LOGV = DEBUG ? Config.LOGD : Config.LOGV;
50 
51     private final Uri mReadReportURI;
52 
ReadRecTransaction(Context context, int transId, TransactionSettings connectionSettings, String uri)53     public ReadRecTransaction(Context context,
54             int transId,
55             TransactionSettings connectionSettings,
56             String uri) {
57         super(context, transId, connectionSettings);
58         mReadReportURI = Uri.parse(uri);
59         mId = uri;
60 
61         // Attach the transaction to the instance of RetryScheduler.
62         attach(RetryScheduler.getInstance(context));
63     }
64 
65     /*
66      * (non-Javadoc)
67      * @see com.android.mms.Transaction#process()
68      */
69     @Override
process()70     public void process() {
71         PduPersister persister = PduPersister.getPduPersister(mContext);
72 
73         try {
74             // Load M-read-rec.ind from outbox
75             ReadRecInd readRecInd = (ReadRecInd) persister.load(mReadReportURI);
76 
77             // insert the 'from' address per spec
78             String lineNumber = MessageUtils.getLocalNumber();
79             readRecInd.setFrom(new EncodedStringValue(lineNumber));
80 
81             // Pack M-read-rec.ind and send it
82             byte[] postingData = new PduComposer(mContext, readRecInd).make();
83             sendPdu(postingData);
84 
85             Uri uri = persister.move(mReadReportURI, Sent.CONTENT_URI);
86             mTransactionState.setState(TransactionState.SUCCESS);
87             mTransactionState.setContentUri(uri);
88         } catch (IOException e) {
89             if (LOCAL_LOGV) {
90                 Log.v(TAG, "Failed to send M-Read-Rec.Ind.", e);
91             }
92         } catch (MmsException e) {
93             if (LOCAL_LOGV) {
94                 Log.v(TAG, "Failed to load message from Outbox.", e);
95             }
96         } catch (RuntimeException e) {
97             if (LOCAL_LOGV) {
98                 Log.e(TAG, "Unexpected RuntimeException.", e);
99             }
100         } finally {
101             if (mTransactionState.getState() != TransactionState.SUCCESS) {
102                 mTransactionState.setState(TransactionState.FAILED);
103                 mTransactionState.setContentUri(mReadReportURI);
104             }
105             notifyObservers();
106         }
107     }
108 
109     @Override
getType()110     public int getType() {
111         return READREC_TRANSACTION;
112     }
113 }
114