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/*
* 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.bliptv;
import java.io.*;
import java.net.*;
import java.util.regex.*;
import org.json.*;
import net.java.sip.communicator.service.replacement.*;
import net.java.sip.communicator.util.*;
/**
* Implements the {@link ReplacementService} to provide previews for Blip.tv
* links.
*
* @author Purvesh Sahoo
*/
public class ReplacementServiceBliptvImpl
implements ReplacementService
{
/**
* The logger for this class.
*/
private static final Logger logger =
Logger.getLogger(ReplacementServiceBliptvImpl.class);
/**
* The regex used to match the link in the message.
*/
public static final String BLIPTV_PATTERN =
"(?<=>)(http:\\/\\/(?:www\\.)?blip\\.tv"
+ "\\/file\\/(\\d+)([?&\\?]\\w+=[\\w-]+)*)(?=</A>)";
/**
* Configuration label shown in the config form.
*/
public static final String BLIPTV_CONFIG_LABEL = "Blip.tv";
/**
* Source name; also used as property label.
*/
public static final String SOURCE_NAME = "BLIPTV";
/**
* Constructor for <tt>ReplacementServiceBliptvImpl</tt>.
*/
public ReplacementServiceBliptvImpl()
{
logger.trace("Creating a Blip.TV Source.");
}
/**
* Replaces the Blip.tv video links with their corresponding thumbnails.
*
* @param sourceString the original chat message.
* @return replaced thumbnail image link; the original video link in case of
* no match.
*/
public String getReplacement(String sourceString)
{
try
{
String url = "http://oohembed.com/oohembed/?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 BLIPTV_PATTERN;
}
}
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