com.nebel_tv.content.wrapper.builders.VideoAssetsBuilder.java Source code

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Here is the source code for com.nebel_tv.content.wrapper.builders.VideoAssetsBuilder.java

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/**
 * Copyright (C) 2014 Nebel TV (http://nebel.tv)
 *
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package com.nebel_tv.content.wrapper.builders;

import com.nebel_tv.content.cache.VideoAssetsCache;
import com.nebel_tv.content.utils.ConnectionUtils;
import com.nebel_tv.content.wrapper.ConnectionHelper;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

/**
 *
 */
public class VideoAssetsBuilder {

    public static final String VIDEO_ASSETS_QUERY = "http://api.internetvideoarchive.com/1.0/DataService/VideoAssets({publishedId})?$expand=Encodes&format=json";

    private final String queryUrl;

    private JSONArray assets;
    private String json = "[]";
    private final String id;

    public VideoAssetsBuilder(String id) {
        this.queryUrl = VIDEO_ASSETS_QUERY.replace("{publishedId}", id);
        this.id = id;
    }

    private void executeQuery() {
        assets = VideoAssetsCache.getAssets(id);

        if (assets == null) {
            try {
                String source = ConnectionUtils.getResponseAsString(ConnectionHelper.fixURL(queryUrl));

                JSONObject root = (JSONObject) (new JSONObject(source)).get("d");
                JSONObject encodes = (JSONObject) root.get("Encodes");

                assets = (JSONArray) encodes.get("results");
                fixVidoURL();
            } catch (Exception ex) {
                Logger.getLogger(VideoAssetsBuilder.class.getName()).log(Level.WARNING, null, ex);
            }
        }
    }

    public VideoAssetsBuilder build() {
        executeQuery();
        createVideoAsses();
        generateJson();

        return this;
    }

    private void generateJson() {
        if (assets != null) {
            json = assets.toString();
        }
    }

    public String get() {
        return this.json;
    }

    private void createVideoAsses() {
        if (assets != null) {
            VideoAssetsCache.addAssets(id, assets);
        }
    }

    /**
     *
     */
    private void fixVidoURL() {
        if (assets == null) {
            return;
        }

        for (int i = 0; i < assets.length(); i++) {
            try {
                JSONObject item = assets.getJSONObject(i);
                if (item != null) {
                    int rate = item.getInt("rate");
                    switch (rate) {
                    case 80:
                    case 212:
                    case 185:
                        item.put("URL", "http://54.201.170.111/assets/001-180p-185kb.mp4");
                        break;
                    case 450:
                    case 600:
                    case 686:
                    case 750:
                        item.put("URL", "http://54.201.170.111/assets/001-270p-686kb.mp4");
                        break;
                    case 1500:
                    case 2500:
                    case 8000:
                    default:
                        item.put("URL", "http://54.201.170.111/assets/001-720p-2500kb.mp4");
                        break;
                    }
                }
            } catch (JSONException ex) {
                Logger.getLogger(ConnectionUtils.class.getName()).log(Level.WARNING, null, ex);
            }
        }
    }
}