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      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 */
     15 package com.android.bluetooth.map;
     16 
     17 import java.io.UnsupportedEncodingException;
     18 import java.util.ArrayList;
     19 
     20 import android.util.Log;
     21 
     22 import com.android.bluetooth.map.BluetoothMapSmsPdu.SmsPdu;
     23 import com.android.bluetooth.map.BluetoothMapUtils.TYPE;
     24 
     25 public class BluetoothMapbMessageSms extends BluetoothMapbMessage {
     26 
     27     private ArrayList<SmsPdu> smsBodyPdus = null;
     28     private String smsBody = null;
     29 
     30     public void setSmsBodyPdus(ArrayList<SmsPdu> smsBodyPdus) {
     31         this.smsBodyPdus = smsBodyPdus;
     32         this.charset = null;
     33         if(smsBodyPdus.size() > 0)
     34             this.encoding = smsBodyPdus.get(0).getEncodingString();
     35     }
     36 
     37     public String getSmsBody() {
     38         return smsBody;
     39     }
     40 
     41     public void setSmsBody(String smsBody) {
     42         this.smsBody = smsBody;
     43         this.charset = "UTF-8";
     44         this.encoding = null;
     45     }
     46 
     47     @Override
     48     public void parseMsgPart(String msgPart) {
     49         if(appParamCharset == 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             smsBody += BluetoothMapSmsPdu.decodePdu(msgBytes,
     60                     type == TYPE.SMS_CDMA ? BluetoothMapSmsPdu.SMS_TYPE_CDMA
     61                                           : BluetoothMapSmsPdu.SMS_TYPE_GSM);
     62         } else {
     63             smsBody += msgPart;
     64         }
     65     }
     66     @Override
     67     public void parseMsgInit() {
     68         smsBody = "";
     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(smsBody != null) {
     79             String tmpBody = smsBody.replaceAll("END:MSG", "/END\\:MSG"); // Replace any occurrences of END:MSG with \END:MSG
     80             bodyFragments.add(tmpBody.getBytes("UTF-8"));
     81         }else if (smsBodyPdus != null && smsBodyPdus.size() > 0) {
     82             for (SmsPdu pdu : smsBodyPdus) {
     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]); // TODO: Is this allowed? (An empty message)
     88         }
     89 
     90         return encodeGeneric(bodyFragments);
     91     }
     92 
     93 }
     94