1 /*
2  * Copyright (C) 2011 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.nfc.snep;
18 
19 import java.io.IOException;
20 
21 import com.android.nfc.snep.SnepClient;
22 import com.android.nfc.snep.SnepMessage;
23 import com.android.nfc.snep.SnepServer;
24 
25 import android.nfc.NdefMessage;
26 import android.nfc.NdefRecord;
27 import android.test.AndroidTestCase;
28 import android.util.Log;
29 
30 import java.lang.StringBuffer;
31 import java.util.Arrays;
32 import java.util.HashMap;
33 import java.util.Map;
34 
35 /**
36  * Uses the Android testing instrumentation framework to run a listening SNEP
37  * server.
38  */
39 public class SnepValidationServerTests extends AndroidTestCase implements SnepServer.Callback {
40     static final int SERVICE_SAP = 0x11;
41     static final String SERVICE_NAME = "urn:nfc:xsn:nfc-forum.org:snep-validation";
42     private static final String TAG = "nfcTest";
43 
44     private Map<ByteArrayWrapper, NdefMessage> mStoredNdef =
45         new HashMap<ByteArrayWrapper, NdefMessage>();
46     private static final ByteArrayWrapper DEFAULT_NDEF = new ByteArrayWrapper(new byte[] {});
47 
setUp()48     public void setUp() {
49         Log.d(TAG, "Waiting for service to restart...");
50         try {
51             Thread.sleep(6000);
52         } catch (InterruptedException e) {
53         }
54         Log.d(TAG, "Running test.");
55     }
56 
testStartSnepServer()57     public void testStartSnepServer() throws IOException {
58         SnepServer server = new SnepServer(SERVICE_NAME, SERVICE_SAP, this);
59         server.start();
60 
61         try {
62             Thread.sleep(24 * 60 * 60 * 1000);
63         } catch (InterruptedException e) {
64 
65         }
66     }
67 
getSmallNdef()68     private NdefMessage getSmallNdef() {
69         NdefRecord rec = new NdefRecord(NdefRecord.TNF_ABSOLUTE_URI, NdefRecord.RTD_URI,
70                 new byte[0], "http://android.com".getBytes());
71         return new NdefMessage(new NdefRecord[] { rec });
72     }
73 
getLargeNdef()74     private NdefMessage getLargeNdef() {
75         int size = 3000;
76         StringBuffer string = new StringBuffer(size);
77         for (int i = 0; i < size; i++) {
78             string.append('A' + (i % 26));
79         }
80         NdefRecord rec = new NdefRecord(NdefRecord.TNF_MIME_MEDIA, "text/plain".getBytes(),
81                 new byte[0], string.toString().getBytes());
82         return new NdefMessage(new NdefRecord[] { rec });
83     }
84 
85     static class ByteArrayWrapper {
86         private final byte[] data;
87 
ByteArrayWrapper(byte[] data)88         public ByteArrayWrapper(byte[] data) {
89             if (data == null) {
90                 throw new NullPointerException();
91             }
92             this.data = data;
93         }
94 
95         @Override
equals(Object other)96         public boolean equals(Object other) {
97             if (!(other instanceof ByteArrayWrapper)) {
98                 return false;
99             }
100             return Arrays.equals(data, ((ByteArrayWrapper) other).data);
101         }
102 
103         @Override
hashCode()104         public int hashCode() {
105             return Arrays.hashCode(data);
106         }
107     }
108 
109     @Override
doPut(NdefMessage msg)110     public SnepMessage doPut(NdefMessage msg) {
111         Log.d(TAG, "doPut()");
112         NdefRecord record = msg.getRecords()[0];
113         ByteArrayWrapper id = (record.getId().length > 0) ?
114                 new ByteArrayWrapper(record.getId()) : DEFAULT_NDEF;
115         mStoredNdef.put(id, msg);
116         return SnepMessage.getMessage(SnepMessage.RESPONSE_SUCCESS);
117     }
118 
119     @Override
doGet(int acceptableLength, NdefMessage msg)120     public SnepMessage doGet(int acceptableLength, NdefMessage msg) {
121         Log.d(TAG, "doGet()");
122         NdefRecord record = msg.getRecords()[0];
123         ByteArrayWrapper id = (record.getId().length > 0) ?
124                 new ByteArrayWrapper(record.getId()) : DEFAULT_NDEF;
125         NdefMessage result = mStoredNdef.get(id);
126 
127         if (result == null) {
128             return SnepMessage.getMessage(SnepMessage.RESPONSE_NOT_FOUND);
129         }
130         if (acceptableLength < result.toByteArray().length) {
131             return SnepMessage.getMessage(SnepMessage.RESPONSE_EXCESS_DATA);
132         }
133         return SnepMessage.getSuccessResponse(result);
134     }
135 }
136