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/*
* Jitsi, 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.viddler;
import java.io.*;
import java.net.*;
import net.java.sip.communicator.service.replacement.*;
import net.java.sip.communicator.util.*;
/**
* Implements the {@link ReplacementService} to provide previews for Viddler
* links.
*
* @author Purvesh Sahoo
*/
public class ReplacementServiceViddlerImpl
implements ReplacementService
{
/**
* The logger for this class.
*/
private static final Logger logger =
Logger.getLogger(ReplacementServiceViddlerImpl.class);
/**
* The regex used to match the link in the message.
*/
public static final String VIDDLER_PATTERN =
"(?<=>)(http:\\/\\/(?:www\\.)?viddler\\.com"
+ "\\/explore\\/(\\w+)\\/videos\\/\\d+.*(?=<\\/A>))";
/**
* API Key required to access the viddler api.
*/
private static final String API_KEY = "1bi6ckuzmklyaqseiqtl";
/**
* Viddler API url.
*/
private static final String sourceURL =
"http://api.viddler.com/rest/v1/"
+ "?method=viddler.videos.getDetailsByUrl&api_key="
+ API_KEY;
/**
* Configuration label shown in the config form.
*/
public static final String VIDDLER_CONFIG_LABEL = "Viddler";
/**
* Source name; also used as property label.
*/
public static final String SOURCE_NAME = "VIDDLER";
/**
* Constructor for <tt>ReplacementServiceViddlerImpl</tt>.
*/
public ReplacementServiceViddlerImpl()
{
logger.trace("Creating a Viddler 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 = sourceURL + "&url=" + sourceString + "/";
URL sourceURL = new URL(url);
URLConnection conn = sourceURL.openConnection();
BufferedReader in =
new BufferedReader(new InputStreamReader(conn
.getInputStream()));
String inputLine;
StringBuffer holder = new StringBuffer();
while ((inputLine = in.readLine()) != null)
holder.append(inputLine);
in.close();
String startTag = "<thumbnail_url>";
String endTag = "</thumbnail_url>";
String response = holder.toString();
int start = response.indexOf(startTag) + startTag.length();
int end = response.toString().indexOf(endTag);
String thumbUrl = response.substring(start, end);
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 VIDDLER_PATTERN;
}
}
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