1 files changed, 145 insertions, 0 deletions
diff --git a/src/net/java/sip/communicator/impl/replacement/viddler/ReplacementServiceViddlerImpl.java b/src/net/java/sip/communicator/impl/replacement/viddler/ReplacementServiceViddlerImpl.java
new file mode 100644
index 0000000..676ac55
--- /dev/null
+++ b/src/net/java/sip/communicator/impl/replacement/viddler/ReplacementServiceViddlerImpl.java
@@ -0,0 +1,145 @@
+/*
+ * 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.viddler;
+
+import java.io.*;
+import java.net.*;
+import java.util.regex.*;
+
+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 property name. The label is saved in the languages
+     * file under this property.
+     */
+    public static final String VIDDLER_CONFIG_LABEL = "VIDDLER";
+
+    /**
+     * Constructor for <tt>ReplacementServiceViddlerImpl</tt>. The source needs
+     * to add itself to {@link ReplacementService} sourceList to be
+     * displayed in the configuration panel.
+     */
+    public ReplacementServiceViddlerImpl()
+    {
+        sourceList.add(VIDDLER_CONFIG_LABEL);
+        logger.trace("Creating a Viddler Source.");
+    }
+
+    /**
+     * Replaces the viddler 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(String chatString)
+    {
+        final Pattern p =
+            Pattern.compile(VIDDLER_PATTERN, 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();
+
+            try
+            {
+                String url = sourceURL + "&url=" + m.group(1) + "/";
+
+                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)
+                {
+                    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();
+            }
+        }
+
+        msgBuff.append(chatString.substring(startPos));
+
+        if (!msgBuff.toString().equals(chatString))
+            return msgBuff.toString();
+
+        return chatString;
+    }
+}
+\ No newline at end of file