com.risevision.viewer.client.cache.RiseCacheController.java Source code

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Here is the source code for com.risevision.viewer.client.cache.RiseCacheController.java

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// Copyright  2010 - May 2014 Rise Vision Incorporated.
// Use of this software is governed by the GPLv3 license
// (reproduced in the LICENSE file).

package com.risevision.viewer.client.cache;

import com.google.gwt.http.client.URL;
import com.risevision.common.client.utils.RiseUtils;

public class RiseCacheController {
    //   private static RiseCacheUtils instance;
    private static boolean isActive = false;

    //   public RiseCacheUtils() {
    //
    //   }

    //   public static RiseCacheUtils getInstance() {
    //      if (instance == null) {
    //         instance = new RiseCacheUtils();
    //      }
    //      return instance;
    //   }

    public static String getCacheVideoUrl(String url, String extension) {
        if (!isActive) {
            return url;
        }

        if (url.toLowerCase().contains("youtube.com")) {
            return url;
        }

        if (RiseUtils.strIsNullOrEmpty(extension) && url.lastIndexOf(".") != -1) {
            extension = url.substring(url.lastIndexOf(".") + 1);
            if (extension.indexOf('?') != -1) {
                extension = extension.substring(0, extension.indexOf("?"));
            }
        }

        String response = "http://localhost:9494/video"
                + (RiseUtils.strIsNullOrEmpty(extension) ? "" : "." + extension);
        response += "?url=" + URL.encodePathSegment(url);

        return response;
    }

    //   public static String getCacheUrl(String url) {
    //      if (!isActive) {
    //         return url;
    //      }
    //      
    //      String response = "http://localhost:9494/";
    //      response += "?url=" + URL.encodeQueryString(url.replace(" ", "+"));
    //      
    //      return response;
    //   }

    public static void pingCache() {
        if (!isActive) {
            String url = "http://localhost:9494/ping?callback=?";
            pingCacheNative(url);
        }
    }

    private static void pingResponseStatic() {
        isActive = true;
    }

    public static void setActive(boolean active) {
        isActive = active;
    }

    public static boolean isActive() {
        return isActive;
    }

    private static native void pingCacheNative(String url) /*-{
                                                           try {
                                                           $wnd.writeToLog("Rise Cache ping request - start");
                                                               
                                                           $wnd.$.getJSON(url,
                                                           {
                                                           format: 'json'
                                                           },
                                                           function() {
                                                           try { 
                                                           //                    debugger;
                                                               
                                                           $wnd.writeToLog("Rise Cache ping response - active");
                                                               
                                                           @com.risevision.viewer.client.cache.RiseCacheController::pingResponseStatic()();
                                                           }
                                                           catch (err) {
                                                           $wnd.writeToLog("Rise Cache ping failed - " + url + " - " + err.message);
                                                           }
                                                           }
                                                           );
                                                           }
                                                           catch (err) {
                                                           $wnd.writeToLog("Rise Cache ping error - " + url + " - " + err.message);
                                                           }
                                                           }-*/;

}