blob: 4811affca834451e9f55579f38484fc90d116de8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/*
* SIP Communicator, the OpenSource Java VoIP and Instant Messaging client.
*
* Distributable under LGPL license. See terms of license at gnu.org.
*/
package net.java.sip.communicator.impl.replacement.youtube;
import java.io.*;
import java.net.*;
import net.java.sip.communicator.service.replacement.*;
import net.java.sip.communicator.util.*;
import org.json.*;
/**
* Implements the {@link ReplacementService} to provide previews for Youtube
* links.
*
* @author Purvesh Sahoo
*/
public class ReplacementServiceYoutubeImpl
implements ReplacementService
{
/**
* The logger for this class.
*/
private static final Logger logger =
Logger.getLogger(ReplacementServiceYoutubeImpl.class);
/**
* The regex used to match the link in the message.
*/
public static final String YOUTUBE_PATTERN =
"(?<=>)(https?\\:\\/\\/(www\\.)*?youtube\\.com"
+ "\\/watch\\?v=([a-zA-Z0-9_\\-]+))([?&]\\w+=[\\w-]+)*(?=</A>)";
/**
* Configuration label shown in the config form.
*/
public static final String YOUTUBE_CONFIG_LABEL = "Youtube";
/**
* Source name; also used as property label.
*/
public static final String SOURCE_NAME = "YOUTUBE";
/**
* Constructor for <tt>ReplacementServiceYoutubeImpl</tt>.
*/
public ReplacementServiceYoutubeImpl()
{
logger.trace("Creating a Youtube Source.");
}
/**
* Returns the thumbnail URL of the video link provided.
*
* @param sourceString the original video link.
* @return the thumbnail image link; the original link in case of no match.
*/
public String getReplacement(String sourceString)
{
try
{
String url = "http://youtube.com/oembed/?url=" + sourceString;
URL sourceURL = new URL(url);
URLConnection conn = sourceURL.openConnection();
BufferedReader in =
new BufferedReader(new InputStreamReader(conn.getInputStream()));
String inputLine, holder = "";
while ((inputLine = in.readLine()) != null)
holder = inputLine;
in.close();
JSONObject wrapper = new JSONObject(holder);
String thumbUrl = wrapper.getString("thumbnail_url");
if (thumbUrl != null)
{
return thumbUrl;
}
}
catch (Exception e)
{
e.printStackTrace();
}
return sourceString;
}
/**
* Returns the source name
*
* @return the source name
*/
public String getSourceName()
{
return SOURCE_NAME;
}
/**
* Returns the pattern of the source
*
* @return the source pattern
*/
public String getPattern()
{
return YOUTUBE_PATTERN;
}
}
|
