org.springfield.mojo.linkedtv.Channel.java Source code

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Here is the source code for org.springfield.mojo.linkedtv.Channel.java

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/* 
* Channel.java
* 
* Copyright (c) 2014 Noterik B.V.
* 
* This file is part of Mojo, related to the Noterik Springfield project.
*
* Mojo 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.
*
* Mojo 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 Mojo.  If not, see <http://www.gnu.org/licenses/>.
*/
package org.springfield.mojo.linkedtv;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.commons.codec.binary.Base64;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Node;
import org.springfield.fs.FSList;
import org.springfield.fs.FsNode;
import org.springfield.mojo.http.HttpHelper;
import org.springfield.mojo.http.Response;

/**
 * Channel.java
 *
 * @author Pieter van Leeuwen
 * @copyright Copyright: Noterik B.V. 2014
 * @package org.springfield.mojo.linkedtv
 * 
 */
public class Channel {
    private static String API = "http://api.linkedtv.eu/mediaresource?status=6&";
    private static String API_USER = "admin";
    private static String API_PASSWORD = "linkedtv";
    private static String API_AUTHORIZATION = API_USER + ":" + API_PASSWORD;
    private static byte[] API_AUTHORIZATION_ENCODED = Base64.encodeBase64(API_AUTHORIZATION.getBytes());
    private static String CHARACTER_SET = "UTF-8";
    private static String BART = "http://bart2.noterik.com/bart";

    private String domain;
    private String channel;
    private String channelXml;

    public Channel() {

    }

    public Channel(String domain, String channel) {
        this.domain = domain;
        this.channel = channel;

        if (domain.toLowerCase().equals("linkedtv")) {
            try {
                channel = URLEncoder.encode(channel, CHARACTER_SET);
            } catch (UnsupportedEncodingException e) {

            }
            String uri = API + "publisher=" + channel;

            HashMap<String, String> requestHeaders = new HashMap<String, String>();
            requestHeaders.put("Authorization", "Basic " + new String(API_AUTHORIZATION_ENCODED));
            requestHeaders.put("Accept", "application/xml");

            Response response = HttpHelper.sendRequest("GET", uri, null, "application/xml", null, -1, CHARACTER_SET,
                    requestHeaders);

            if (response.getStatusCode() == 200) {
                channelXml = response.getResponse();
            }
        }
    }

    public List<Episode> getEpisodes() {
        try {
            Document doc = DocumentHelper.parseText(channelXml);

            List<Node> nodes = doc.selectNodes("//mediaresources/mediaresource");
            ArrayList<Episode> episodes = new ArrayList<Episode>();

            for (Node node : nodes) {
                String id = node.selectSingleNode("id") == null ? null : node.selectSingleNode("id").getText();
                if (id != null) {
                    episodes.add(new Episode(id));
                }
            }
            return episodes;
        } catch (DocumentException e) {
            return new ArrayList<Episode>();
        }
    }

    public Episode getLatestEpisode() {
        try {
            Document doc = DocumentHelper.parseText(channelXml);

            List<Node> nodes = doc.selectNodes("//mediaresources/mediaresource");

            if (nodes.size() > 0) {
                Node node = nodes.get(0);
                String id = node.selectSingleNode("id") == null ? null : node.selectSingleNode("id").getText();
                if (id != null) {
                    return new Episode(id);
                }
            }

            return new Episode();
        } catch (DocumentException e) {
            return new Episode();
        }
    }

}