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8dfb76c9 MG |
1 | package ro.ieval.fonbot; |
2 | ||
3 | import static ro.ieval.fonbot.R.string.*; | |
4 | ||
5 | import static ro.ieval.fonbot.Utils.toNonNull; | |
6 | ||
7 | import java.io.OutputStream; | |
8 | import java.net.HttpURLConnection; | |
9 | import java.net.URL; | |
10 | import java.util.Collection; | |
11 | ||
12 | import org.eclipse.jdt.annotation.Nullable; | |
13 | ||
14 | import android.content.Context; | |
15 | import android.content.Intent; | |
16 | import android.os.AsyncTask; | |
17 | import android.util.Log; | |
18 | ||
19 | /* | |
20 | * Copyright © 2013 Marius Gavrilescu | |
21 | * | |
22 | * This file is part of FonBot. | |
23 | * | |
24 | * FonBot is free software: you can redistribute it and/or modify | |
25 | * it under the terms of the GNU General Public License as published by | |
26 | * the Free Software Foundation, either version 3 of the License, or | |
27 | * (at your option) any later version. | |
28 | * | |
29 | * FonBot is distributed in the hope that it will be useful, | |
30 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
31 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
32 | * GNU General Public License for more details. | |
33 | * | |
34 | * You should have received a copy of the GNU General Public License | |
35 | * along with FonBot. If not, see <http://www.gnu.org/licenses/>. | |
36 | */ | |
37 | ||
38 | /** | |
39 | * AsyncTask that sends a HTTP request to the server and broadcasts back the response message & response code | |
40 | * | |
41 | * @author Marius Gavrilescu <marius@ieval.ro> | |
42 | */ | |
43 | public final class SendHttpMessageAsyncTask extends AsyncTask<String, Void, String> { | |
44 | /** | |
45 | * Extra: the response message | |
46 | */ | |
47 | public static final String EXTRA_RESPONSE_MESSAGE="response_message"; | |
48 | /** | |
49 | * Extra: the response code | |
50 | */ | |
51 | public static final String EXTRA_RESPONSE_CODE="response_code"; | |
52 | ||
53 | /** | |
54 | * List of extra request headers. | |
55 | */ | |
56 | private final Collection<Header> headers; | |
57 | /** | |
58 | * Action to send back in the response broadcast | |
59 | */ | |
60 | private final String broadcast; | |
61 | /** | |
62 | * Context instance used by this class | |
63 | */ | |
64 | private final Context context; | |
65 | /** | |
66 | * Data to send to the server | |
67 | */ | |
68 | private final byte[] data; | |
69 | /** | |
70 | * Response code from the server | |
71 | */ | |
72 | private int responseCode; | |
73 | ||
74 | /** | |
75 | * Constructs a SendHttpMessageAsyncTask which sends a string-based message and does not broadcast the response. | |
76 | * | |
77 | * @param headers the extra headers | |
78 | * @param context the context instance | |
79 | */ | |
80 | public SendHttpMessageAsyncTask(final Collection<Header> headers, final Context context){ | |
81 | super(); | |
82 | this.headers=headers; | |
83 | this.broadcast=null;//NOPMD final field | |
84 | this.context=context; | |
85 | this.data=null;//NOPMD final field | |
86 | } | |
87 | ||
88 | /** | |
89 | * Constructs a SendHttpMessageAsyncTask which sends a binary message and does not broadcast the response. | |
90 | * | |
91 | * @param headers the extra headers | |
92 | * @param context the context instance | |
93 | * @param data the message to send | |
94 | */ | |
95 | public SendHttpMessageAsyncTask(final Collection<Header> headers, final Context context, final byte[] data){//NOPMD array is supposed to be immutable. | |
96 | super(); | |
97 | this.headers=headers; | |
98 | this.broadcast=null;//NOPMD final field | |
99 | this.context=context; | |
100 | this.data=data; | |
101 | } | |
102 | ||
103 | /** | |
104 | * Constructs a SendHttpMessageAsyncTask which sends a string-based message and broadcasts the response. | |
105 | * | |
106 | * @param headers the extra headers | |
107 | * @param broadcast the broadcast to send | |
108 | * @param context the context instance | |
109 | */ | |
110 | public SendHttpMessageAsyncTask(final Collection<Header> headers, final String broadcast, final Context context){ | |
111 | super(); | |
112 | this.headers=headers; | |
113 | this.broadcast=broadcast; | |
114 | this.context=context; | |
115 | this.data=null;//NOPMD final field | |
116 | } | |
117 | ||
118 | @Override | |
119 | protected String doInBackground(final @Nullable String... args) { | |
120 | if(args==null) | |
121 | return ""; | |
122 | ||
123 | final byte[] msg; | |
124 | if(data==null) | |
125 | msg=Utils.join(" ", args).getBytes(); | |
126 | else | |
127 | msg=data; | |
128 | ||
129 | try { | |
130 | final URL url=new URL("http://ieval.ro:7777/"); | |
131 | final HttpURLConnection conn=(HttpURLConnection) url.openConnection(); | |
132 | conn.setDoOutput(true); | |
133 | conn.setFixedLengthStreamingMode(msg.length); | |
134 | conn.setRequestProperty("X-ID", FonBotApplication.instance.regID); | |
135 | for (Header header : headers) | |
136 | conn.setRequestProperty(header.name, header.value); | |
137 | conn.connect(); | |
138 | final OutputStream stream=conn.getOutputStream(); | |
139 | stream.write(msg); | |
140 | stream.close(); | |
141 | Log.d(getClass().getName(),"HTTP Response: "+conn.getResponseCode()+" "+conn.getResponseMessage()); | |
142 | conn.disconnect(); | |
143 | final String message=conn.getResponseMessage(); | |
144 | responseCode=conn.getResponseCode(); | |
145 | if(message==null) | |
146 | return toNonNull(context.getString(no_response_returned_from_server)); | |
147 | return Utils.parseHttpMessage(message); | |
148 | } catch (Exception e) { | |
149 | return toNonNull(context.getString(connection_error)); | |
150 | } | |
151 | } | |
152 | ||
153 | @Override | |
154 | protected void onPostExecute(final @Nullable String result) { | |
155 | super.onPostExecute(result); | |
156 | if(broadcast!=null){ | |
157 | final Intent intent=new Intent(broadcast); | |
158 | intent.putExtra(EXTRA_RESPONSE_MESSAGE, result); | |
159 | intent.putExtra(EXTRA_RESPONSE_CODE, responseCode); | |
160 | context.sendBroadcast(intent); | |
161 | } | |
162 | } | |
163 | } |