BluetoothMapbMessageSms.java revision 326b5e610063ac24c0ba467ac585bd4c7f618a67 
1/*
2* Copyright (C) 2013 Samsung System LSI
3* Licensed under the Apache License, Version 2.0 (the "License");
4* you may not use this file except in compliance with the License.
5* You may obtain a copy of the License at
6*
7*      http://www.apache.org/licenses/LICENSE-2.0
8*
9* Unless required by applicable law or agreed to in writing, software
10* distributed under the License is distributed on an "AS IS" BASIS,
11* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12* See the License for the specific language governing permissions and
13* limitations under the License.
14*/
15package com.android.bluetooth.map;
16
17import java.io.UnsupportedEncodingException;
18import java.util.ArrayList;
19
20import android.util.Log;
21
22import com.android.bluetooth.map.BluetoothMapSmsPdu.SmsPdu;
23import com.android.bluetooth.map.BluetoothMapUtils.TYPE;
24
25public class BluetoothMapbMessageSms extends BluetoothMapbMessage {
26
27    private ArrayList<SmsPdu> mSmsBodyPdus = null;
28    private String mSmsBody = null;
29
30    public void setSmsBodyPdus(ArrayList<SmsPdu> smsBodyPdus) {
31        this.mSmsBodyPdus = smsBodyPdus;
32        this.mCharset = null;
33        if(smsBodyPdus.size() > 0)
34            this.mEncoding = smsBodyPdus.get(0).getEncodingString();
35    }
36
37    public String getSmsBody() {
38        return mSmsBody;
39    }
40
41    public void setSmsBody(String smsBody) {
42        this.mSmsBody = smsBody;
43        this.mCharset = "UTF-8";
44        this.mEncoding = null;
45    }
46
47    @Override
48    public void parseMsgPart(String msgPart) {
49        if(mAppParamCharset == BluetoothMapAppParams.CHARSET_NATIVE) {
50            if(D) Log.d(TAG, "Decoding \"" + msgPart + "\" as native PDU");
51            byte[] msgBytes = decodeBinary(msgPart);
52            if(msgBytes.length > 0 &&
53                    msgBytes[0] < msgBytes.length-1 &&
54                    (msgBytes[msgBytes[0]+1] & 0x03) != 0x01) {
55                if(D) Log.d(TAG, "Only submit PDUs are supported");
56                throw new IllegalArgumentException("Only submit PDUs are supported");
57            }
58
59            mSmsBody += BluetoothMapSmsPdu.decodePdu(msgBytes,
60                    mType == TYPE.SMS_CDMA ? BluetoothMapSmsPdu.SMS_TYPE_CDMA
61                                          : BluetoothMapSmsPdu.SMS_TYPE_GSM);
62        } else {
63            mSmsBody += msgPart;
64        }
65    }
66    @Override
67    public void parseMsgInit() {
68        mSmsBody = "";
69    }
70
71    public byte[] encode() throws UnsupportedEncodingException
72    {
73        ArrayList<byte[]> bodyFragments = new ArrayList<byte[]>();
74
75        /* Store the messages in an ArrayList to be able to handle the different message types in a generic way.
76         * We use byte[] since we need to extract the length in bytes.
77         */
78        if(mSmsBody != null) {
79            String tmpBody = mSmsBody.replaceAll("END:MSG", "/END\\:MSG"); // Replace any occurrences of END:MSG with \END:MSG
80            bodyFragments.add(tmpBody.getBytes("UTF-8"));
81        }else if (mSmsBodyPdus != null && mSmsBodyPdus.size() > 0) {
82            for (SmsPdu pdu : mSmsBodyPdus) {
83                // This cannot(must not) contain END:MSG
84                bodyFragments.add(encodeBinary(pdu.getData(),pdu.getScAddress()).getBytes("UTF-8"));
85            }
86        } else {
87            bodyFragments.add(new byte[0]); // An empty message - no text
88        }
89
90        return encodeGeneric(bodyFragments);
91    }
92
93}
94