diff options
Diffstat (limited to 'src/net/java/sip/communicator/impl/replacement/youtube')
3 files changed, 222 insertions, 0 deletions
diff --git a/src/net/java/sip/communicator/impl/replacement/youtube/ReplacementServiceYoutubeImpl.java b/src/net/java/sip/communicator/impl/replacement/youtube/ReplacementServiceYoutubeImpl.java new file mode 100644 index 0000000..45c8c2e --- /dev/null +++ b/src/net/java/sip/communicator/impl/replacement/youtube/ReplacementServiceYoutubeImpl.java @@ -0,0 +1,139 @@ +/* + * 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 java.util.regex.*; + +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 String re1 = + "(http.*?(www\\.)*?youtube\\.com\\/watch\\?v=([a-zA-Z0-9_\\-]+))([?&]\\w+=[\\w-]+)*"; + + /** + * Configuration label property name. The label is saved in the languages + * file under this property. + */ + public static final String YOUTUBE_CONFIG_LABEL = "YOUTUBE"; + + /** + * Constructor for <tt>ReplacementServiceYoutubeImpl</tt>. The source needs + * to register itself with {@link ReplacementService} sourceList to be + * displayed in the configuration panel. + */ + public ReplacementServiceYoutubeImpl() + { + sourceList.add(YOUTUBE_CONFIG_LABEL); + logger.trace("Creating a Youtube Source."); + } + + /** + * Replaces the youtube video links in the chat message with their + * corresponding thumbnails. + * + * @param chatString the original chat message. + * @return replaced chat message with the thumbnail image; the original + * message in case of no match. + */ + public String getReplacedMessage(final String chatString) + { + final Pattern p = + Pattern.compile(re1, Pattern.CASE_INSENSITIVE | Pattern.DOTALL); + Matcher m = p.matcher(chatString); + + int count = 0, startPos = 0; + StringBuffer msgBuff = new StringBuffer(); + + while (m.find()) + { + count++; + msgBuff.append(chatString.substring(startPos, m.start())); + startPos = m.end(); + + // We only want to replace the inner link text and not the link src. + // All even matches are the text we want to replace. + if (count % 2 == 0) + { + try + { + String url = + "http://youtube.com/oembed/?url=" + m.group(0); + + 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) + { + msgBuff + .append("<IMG HEIGHT=\"90\" WIDTH=\"120\" SRC=\""); + msgBuff.append(thumbUrl); + msgBuff.append("\"></IMG>"); + + } + else + { + startPos = 0; + msgBuff = new StringBuffer(); + } + + } + catch (Exception e) + { + startPos = 0; + msgBuff = new StringBuffer(); + e.printStackTrace(); + } + } + else + { + msgBuff.append(chatString.substring(m.start(), m.end())); + } + } + + msgBuff.append(chatString.substring(startPos)); + + if (!msgBuff.toString().equals(chatString)) + return msgBuff.toString(); + + return chatString; + } +}
\ No newline at end of file diff --git a/src/net/java/sip/communicator/impl/replacement/youtube/YoutubeActivator.java b/src/net/java/sip/communicator/impl/replacement/youtube/YoutubeActivator.java new file mode 100644 index 0000000..0b76c49 --- /dev/null +++ b/src/net/java/sip/communicator/impl/replacement/youtube/YoutubeActivator.java @@ -0,0 +1,69 @@ +/* + * 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.util.*; + +import net.java.sip.communicator.service.replacement.*; +import net.java.sip.communicator.util.*; + +import org.osgi.framework.*; + +/** + * Activator for the Youtube source bundle. + * + * @author Purvesh Sahoo + */ +public class YoutubeActivator + implements BundleActivator +{ + /** + * The <tt>Logger</tt> used by the <tt>YoutubeActivator</tt> class. + */ + private static final Logger logger = + Logger.getLogger(YoutubeActivator.class); + + /** + * The youtube source service registration. + */ + private ServiceRegistration youtubeSourceServReg = null; + + /** + * The source implementation reference. + */ + private static ReplacementService youtubeSource = null; + + /** + * Starts the Youtube replacement source bundle + * + * @param context the <tt>BundleContext</tt> as provided from the OSGi + * framework + * @throws Exception if anything goes wrong + */ + public void start(BundleContext context) throws Exception + { + Hashtable<String, String> hashtable = new Hashtable<String, String>(); + hashtable.put(ReplacementService.SOURCE_NAME, "YOUTUBE"); + youtubeSource = new ReplacementServiceYoutubeImpl(); + + youtubeSourceServReg = + context.registerService(ReplacementService.class.getName(), + youtubeSource, hashtable); + logger.info("Youtube source implementation [STARTED]."); + } + + /** + * Unregisters the Youtube replacement service. + * + * @param context BundleContext + * @throws Exception if anything goes wrong + */ + public void stop(BundleContext context) throws Exception + { + youtubeSourceServReg.unregister(); + logger.info("Youtube source implementation [STOPPED]."); + } +}
\ No newline at end of file diff --git a/src/net/java/sip/communicator/impl/replacement/youtube/youtube.source.manifest.mf b/src/net/java/sip/communicator/impl/replacement/youtube/youtube.source.manifest.mf new file mode 100644 index 0000000..18b1d90 --- /dev/null +++ b/src/net/java/sip/communicator/impl/replacement/youtube/youtube.source.manifest.mf @@ -0,0 +1,14 @@ +Bundle-Activator: net.java.sip.communicator.impl.replacement.youtube.YoutubeActivator +Bundle-Name: Youtube Replacement Source +Bundle-Description: A bundle providing replacement for youtube links. +Bundle-Vendor: sip-communicator.org +Bundle-Version: 1.0.0 +System-Bundle: yes +Export-Package: net.java.sip.communicator.service.replacement +Import-Package: org.osgi.framework, + net.java.sip.communicator.service.configuration, + net.java.sip.communicator.service.resources, + net.java.sip.communicator.service.configuration.event, + net.java.sip.communicator.util, + net.java.sip.communicator.service.replacement, + org.apache.http
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