1 /*
2  * Copyright 2022 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.bluetooth.pbap;
18 
19 import android.bluetooth.BluetoothProfile;
20 import android.bluetooth.BluetoothProtoEnums;
21 import android.util.Log;
22 
23 import com.android.bluetooth.BluetoothStatsLog;
24 import com.android.bluetooth.content_profiles.ContentProfileErrorReportUtils;
25 import com.android.obex.Operation;
26 
27 import java.io.IOException;
28 import java.io.OutputStream;
29 
30 /** Handler to emit vCards to PCE. */
31 // Next tag value for ContentProfileErrorReportUtils.report(): 2
32 public class HandlerForStringBuffer {
33     private static final String TAG = "HandlerForStringBuffer";
34 
35     private final Operation mOperation;
36     private final String mOwnerVCard;
37 
38     private OutputStream mOutputStream;
39 
HandlerForStringBuffer(Operation op, String ownerVCard)40     public HandlerForStringBuffer(Operation op, String ownerVCard) {
41         mOperation = op;
42         mOwnerVCard = ownerVCard;
43         Log.v(TAG, "ownerVCard \n " + mOwnerVCard);
44     }
45 
init()46     public boolean init() {
47         try {
48             mOutputStream = mOperation.openOutputStream();
49             if (mOwnerVCard != null) {
50                 return writeVCard(mOwnerVCard);
51             }
52             return true;
53         } catch (IOException e) {
54             ContentProfileErrorReportUtils.report(
55                     BluetoothProfile.PBAP,
56                     BluetoothProtoEnums.BLUETOOTH_PBAP_HANDLER_FOR_STRING_BUFFER,
57                     BluetoothStatsLog.BLUETOOTH_CONTENT_PROFILE_ERROR_REPORTED__TYPE__EXCEPTION,
58                     0);
59             Log.e(TAG, "openOutputStream failed", e);
60         }
61         return false;
62     }
63 
writeVCard(String vCard)64     public boolean writeVCard(String vCard) {
65         try {
66             if (vCard != null) {
67                 mOutputStream.write(vCard.getBytes());
68                 return true;
69             }
70         } catch (IOException e) {
71             ContentProfileErrorReportUtils.report(
72                     BluetoothProfile.PBAP,
73                     BluetoothProtoEnums.BLUETOOTH_PBAP_HANDLER_FOR_STRING_BUFFER,
74                     BluetoothStatsLog.BLUETOOTH_CONTENT_PROFILE_ERROR_REPORTED__TYPE__EXCEPTION,
75                     1);
76             Log.e(TAG, "write failed", e);
77         }
78         return false;
79     }
80 
terminate()81     public void terminate() {
82         boolean result = BluetoothPbapObexServer.closeStream(mOutputStream, mOperation);
83         Log.v(TAG, "closeStream " + (result ? "succeeded" : "failed") + "!");
84     }
85 }
86