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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 | ||
2e5049c9 | 6 | import java.io.InputStream; |
8dfb76c9 MG |
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; | |
d13f1533 MG |
15 | import android.preference.PreferenceManager; |
16 | import android.util.Base64; | |
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17 | import android.util.Log; |
18 | ||
8bfdcf7a MG |
19 | import com.google.android.gcm.GCMRegistrar; |
20 | ||
8dfb76c9 MG |
21 | /* |
22 | * Copyright © 2013 Marius Gavrilescu | |
23 | * | |
24 | * This file is part of FonBot. | |
25 | * | |
26 | * FonBot is free software: you can redistribute it and/or modify | |
27 | * it under the terms of the GNU General Public License as published by | |
28 | * the Free Software Foundation, either version 3 of the License, or | |
29 | * (at your option) any later version. | |
30 | * | |
31 | * FonBot is distributed in the hope that it will be useful, | |
32 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
33 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
34 | * GNU General Public License for more details. | |
35 | * | |
36 | * You should have received a copy of the GNU General Public License | |
37 | * along with FonBot. If not, see <http://www.gnu.org/licenses/>. | |
38 | */ | |
39 | ||
40 | /** | |
2e5049c9 | 41 | * ExecutableRunnable that makes a HTTP call to the server and hands the response to a callback |
8dfb76c9 MG |
42 | * |
43 | * @author Marius Gavrilescu <marius@ieval.ro> | |
44 | */ | |
2e5049c9 | 45 | public final class HttpCallExecutableRunnable extends ExecutableRunnable{ |
8dfb76c9 | 46 | /** |
2e5049c9 MG |
47 | * Callback which is run after a HTTP call. |
48 | * | |
49 | * @author Marius Gavrilescu | |
8dfb76c9 | 50 | */ |
2e5049c9 MG |
51 | public static interface ResultCallback{ |
52 | /** | |
53 | * Callback invoked if the HTTP call is successful. | |
54 | * | |
55 | * @param responseCode HTTP response code | |
56 | * @param responseMessage HTTP response message | |
57 | * @param inputStream HTTP content InputStream | |
58 | */ | |
59 | public void onResult(final int responseCode, final String responseMessage, final InputStream inputStream); | |
60 | /** | |
61 | * Callback invoked if the HTTP call is unsuccessful. | |
62 | * | |
63 | * @param error localized error message | |
64 | */ | |
65 | public void onError(final String error); | |
66 | } | |
8dfb76c9 MG |
67 | |
68 | /** | |
69 | * List of extra request headers. | |
70 | */ | |
71 | private final Collection<Header> headers; | |
8dfb76c9 MG |
72 | /** |
73 | * Context instance used by this class | |
74 | */ | |
75 | private final Context context; | |
76 | /** | |
77 | * Data to send to the server | |
78 | */ | |
79 | private final byte[] data; | |
d13f1533 MG |
80 | /** |
81 | * Server URL path | |
82 | */ | |
83 | private final String path; | |
8dfb76c9 | 84 | /** |
2e5049c9 | 85 | * Callback to run after the request returns |
8dfb76c9 | 86 | */ |
2e5049c9 | 87 | private final ResultCallback callback; |
8dfb76c9 MG |
88 | |
89 | /** | |
2e5049c9 | 90 | * Constructs a SendHttpMessageAsyncTask which sends a binary message. |
8dfb76c9 | 91 | * |
d13f1533 | 92 | * @param path URL path |
8dfb76c9 MG |
93 | * @param headers the extra headers |
94 | * @param context the context instance | |
2e5049c9 | 95 | * @param resultCallback {@link ResultCallback} instance |
8dfb76c9 MG |
96 | * @param data the message to send |
97 | */ | |
2e5049c9 | 98 | public HttpCallExecutableRunnable(final String path, final @Nullable Collection<Header> headers, final Context context, final @Nullable ResultCallback resultCallback, final byte[] data){//NOPMD array is supposed to be immutable. |
d13f1533 | 99 | this.path=path; |
8dfb76c9 | 100 | this.headers=headers; |
8dfb76c9 | 101 | this.context=context; |
2e5049c9 | 102 | this.callback=resultCallback; |
8dfb76c9 MG |
103 | this.data=data; |
104 | } | |
105 | ||
106 | /** | |
2e5049c9 | 107 | * Constructs a SendHttpMessageAsyncTask which sends a text message. |
8dfb76c9 | 108 | * |
d13f1533 | 109 | * @param path URL path |
8dfb76c9 | 110 | * @param headers the extra headers |
8dfb76c9 | 111 | * @param context the context instance |
2e5049c9 MG |
112 | * @param resultCallback {@link ResultCallback} instance |
113 | * @param message message to send | |
8dfb76c9 | 114 | */ |
2e5049c9 | 115 | public HttpCallExecutableRunnable(final String path, final @Nullable Collection<Header> headers, final Context context, final @Nullable ResultCallback resultCallback, final String... message){ |
d13f1533 | 116 | this.path=path; |
8dfb76c9 | 117 | this.headers=headers; |
8dfb76c9 | 118 | this.context=context; |
2e5049c9 MG |
119 | this.callback=resultCallback; |
120 | if(message.length == 0) | |
121 | this.data=null;//NOPMD final field | |
122 | else | |
123 | this.data=Utils.join(" ", message).getBytes(); | |
8dfb76c9 MG |
124 | } |
125 | ||
126 | @Override | |
2e5049c9 | 127 | public void run() { |
8dfb76c9 | 128 | try { |
d13f1533 | 129 | final URL url=Utils.getServerURL(toNonNull(context),toNonNull(path)); |
8dfb76c9 | 130 | final HttpURLConnection conn=(HttpURLConnection) url.openConnection(); |
2e5049c9 | 131 | if(data!=null){ |
d13f1533 | 132 | conn.setDoOutput(true); |
2e5049c9 | 133 | conn.setFixedLengthStreamingMode(data.length); |
d13f1533 | 134 | } |
8bfdcf7a | 135 | conn.setRequestProperty("X-ID", GCMRegistrar.getRegistrationId(context)); |
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136 | final String user=PreferenceManager.getDefaultSharedPreferences(context).getString("username", null); |
137 | final String password=PreferenceManager.getDefaultSharedPreferences(context).getString("password", null); | |
2e5049c9 MG |
138 | if(user == null || password == null){ |
139 | if(callback!=null) | |
140 | callback.onError(toNonNull(context.getString(user_or_password_not_set))); | |
141 | return; | |
142 | } | |
d13f1533 MG |
143 | |
144 | conn.setRequestProperty("Authorization", "Basic "+Base64.encodeToString( | |
145 | (user+':'+password).getBytes(), Base64.NO_WRAP)); | |
2e5049c9 MG |
146 | if(headers != null) |
147 | for (final Header header : headers) | |
148 | conn.setRequestProperty(header.name, header.value); | |
8dfb76c9 | 149 | conn.connect(); |
2e5049c9 | 150 | if(data!=null){ |
d13f1533 | 151 | final OutputStream stream=conn.getOutputStream(); |
2e5049c9 | 152 | stream.write(data); |
d13f1533 MG |
153 | stream.close(); |
154 | } | |
8dfb76c9 | 155 | Log.d(getClass().getName(),"HTTP Response: "+conn.getResponseCode()+" "+conn.getResponseMessage()); |
8dfb76c9 | 156 | final String message=conn.getResponseMessage(); |
2e5049c9 MG |
157 | if(message==null && callback != null) |
158 | callback.onError(toNonNull(context.getString(no_response_returned_from_server))); | |
159 | else if(message != null && callback != null) | |
160 | callback.onResult(conn.getResponseCode(), Utils.parseHttpMessage(message), | |
161 | toNonNull(conn.getInputStream())); | |
162 | conn.disconnect(); | |
8dfb76c9 | 163 | } catch (Exception e) { |
a97d31fb | 164 | e.printStackTrace(); |
2e5049c9 | 165 | callback.onError(toNonNull(context.getString(connection_error))); |
8dfb76c9 MG |
166 | } |
167 | } | |
168 | } |