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1 | package ro.ieval.fonbot; |
2 | ||
3 | import static ro.ieval.fonbot.R.string.*; | |
8dfb76c9 MG |
4 | import static ro.ieval.fonbot.Utils.toNonNull; |
5 | ||
6 | import java.io.OutputStream; | |
7 | import java.net.HttpURLConnection; | |
8 | import java.net.URL; | |
9 | import java.util.Collection; | |
10 | ||
11 | import org.eclipse.jdt.annotation.Nullable; | |
12 | ||
13 | import android.content.Context; | |
14 | import android.content.Intent; | |
15 | import android.os.AsyncTask; | |
16 | import android.util.Log; | |
17 | ||
18 | /* | |
19 | * Copyright © 2013 Marius Gavrilescu | |
20 | * | |
21 | * This file is part of FonBot. | |
22 | * | |
23 | * FonBot is free software: you can redistribute it and/or modify | |
24 | * it under the terms of the GNU General Public License as published by | |
25 | * the Free Software Foundation, either version 3 of the License, or | |
26 | * (at your option) any later version. | |
27 | * | |
28 | * FonBot is distributed in the hope that it will be useful, | |
29 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
30 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
31 | * GNU General Public License for more details. | |
32 | * | |
33 | * You should have received a copy of the GNU General Public License | |
34 | * along with FonBot. If not, see <http://www.gnu.org/licenses/>. | |
35 | */ | |
36 | ||
37 | /** | |
38 | * AsyncTask that sends a HTTP request to the server and broadcasts back the response message & response code | |
39 | * | |
40 | * @author Marius Gavrilescu <marius@ieval.ro> | |
41 | */ | |
42 | public final class SendHttpMessageAsyncTask extends AsyncTask<String, Void, String> { | |
43 | /** | |
44 | * Extra: the response message | |
45 | */ | |
46 | public static final String EXTRA_RESPONSE_MESSAGE="response_message"; | |
47 | /** | |
48 | * Extra: the response code | |
49 | */ | |
50 | public static final String EXTRA_RESPONSE_CODE="response_code"; | |
51 | ||
52 | /** | |
53 | * List of extra request headers. | |
54 | */ | |
55 | private final Collection<Header> headers; | |
56 | /** | |
57 | * Action to send back in the response broadcast | |
58 | */ | |
59 | private final String broadcast; | |
60 | /** | |
61 | * Context instance used by this class | |
62 | */ | |
63 | private final Context context; | |
64 | /** | |
65 | * Data to send to the server | |
66 | */ | |
67 | private final byte[] data; | |
68 | /** | |
69 | * Response code from the server | |
70 | */ | |
71 | private int responseCode; | |
72 | ||
73 | /** | |
74 | * Constructs a SendHttpMessageAsyncTask which sends a string-based message and does not broadcast the response. | |
75 | * | |
76 | * @param headers the extra headers | |
77 | * @param context the context instance | |
78 | */ | |
79 | public SendHttpMessageAsyncTask(final Collection<Header> headers, final Context context){ | |
80 | super(); | |
81 | this.headers=headers; | |
82 | this.broadcast=null;//NOPMD final field | |
83 | this.context=context; | |
84 | this.data=null;//NOPMD final field | |
85 | } | |
86 | ||
87 | /** | |
88 | * Constructs a SendHttpMessageAsyncTask which sends a binary message and does not broadcast the response. | |
89 | * | |
90 | * @param headers the extra headers | |
91 | * @param context the context instance | |
92 | * @param data the message to send | |
93 | */ | |
94 | public SendHttpMessageAsyncTask(final Collection<Header> headers, final Context context, final byte[] data){//NOPMD array is supposed to be immutable. | |
95 | super(); | |
96 | this.headers=headers; | |
97 | this.broadcast=null;//NOPMD final field | |
98 | this.context=context; | |
99 | this.data=data; | |
100 | } | |
101 | ||
102 | /** | |
103 | * Constructs a SendHttpMessageAsyncTask which sends a string-based message and broadcasts the response. | |
104 | * | |
105 | * @param headers the extra headers | |
106 | * @param broadcast the broadcast to send | |
107 | * @param context the context instance | |
108 | */ | |
109 | public SendHttpMessageAsyncTask(final Collection<Header> headers, final String broadcast, final Context context){ | |
110 | super(); | |
111 | this.headers=headers; | |
112 | this.broadcast=broadcast; | |
113 | this.context=context; | |
114 | this.data=null;//NOPMD final field | |
115 | } | |
116 | ||
117 | @Override | |
118 | protected String doInBackground(final @Nullable String... args) { | |
119 | if(args==null) | |
120 | return ""; | |
121 | ||
122 | final byte[] msg; | |
123 | if(data==null) | |
124 | msg=Utils.join(" ", args).getBytes(); | |
125 | else | |
126 | msg=data; | |
127 | ||
128 | try { | |
a97d31fb | 129 | final URL url=Utils.getServerURL(toNonNull(context),"/"); |
8dfb76c9 MG |
130 | final HttpURLConnection conn=(HttpURLConnection) url.openConnection(); |
131 | conn.setDoOutput(true); | |
132 | conn.setFixedLengthStreamingMode(msg.length); | |
133 | conn.setRequestProperty("X-ID", FonBotApplication.instance.regID); | |
134 | for (Header header : headers) | |
135 | conn.setRequestProperty(header.name, header.value); | |
136 | conn.connect(); | |
137 | final OutputStream stream=conn.getOutputStream(); | |
138 | stream.write(msg); | |
139 | stream.close(); | |
140 | Log.d(getClass().getName(),"HTTP Response: "+conn.getResponseCode()+" "+conn.getResponseMessage()); | |
141 | conn.disconnect(); | |
142 | final String message=conn.getResponseMessage(); | |
143 | responseCode=conn.getResponseCode(); | |
144 | if(message==null) | |
145 | return toNonNull(context.getString(no_response_returned_from_server)); | |
146 | return Utils.parseHttpMessage(message); | |
147 | } catch (Exception e) { | |
a97d31fb | 148 | e.printStackTrace(); |
8dfb76c9 MG |
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 | } |