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

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Here is the source code for com.nebel_tv.content.wrapper.builders.MediaItemBuilder.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.MediaItemCache;
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.JSONObject;

/**
 *
 */
public class MediaItemBuilder {

    public static final String MEDIA_ITEM_QUERY = "http://api.internetvideoarchive.com/1.0/DataService/EntertainmentPrograms({publishedId})?"
            + "$expand=Poster,Description,Director,VideoAssets,VideoAssetScreenCapture&format=json";

    private final String queryUrl;

    private JSONObject item;
    private String json = "{}";
    private final String id;

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

    private void executeQuery() {
        item = MediaItemCache.getItem(id);
        if (item == null) {
            try {
                String source = ConnectionUtils.getResponseAsString(ConnectionHelper.fixURL(queryUrl));
                JSONObject root = new JSONObject(source);
                item = (JSONObject) root.get("d");
            } catch (Exception ex) {
                Logger.getLogger(MediaItemBuilder.class.getName()).log(Level.WARNING, null, ex);
            }
        }
    }

    public MediaItemBuilder build() {
        executeQuery();
        createMediaItem();
        generateJson();

        return this;
    }

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

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

    private void createMediaItem() {
        if (item != null) {
            MediaItemCache.addItem(id, item);
        }
    }
}