Java tutorial
/** * TellMeFirst - A Knowledge Discovery Application * * Copyright (C) 2012 Federico Cairo, Giuseppe Futia, Federico Benedetto * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package it.polito.tellmefirst.web.rest.apimanager; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.jsoup.Jsoup; import org.jsoup.nodes.Document; import java.io.IOException; /** * Created by IntelliJ IDEA. * User: Federico Cairo */ public class VideoManager { static Log LOG = LogFactory.getLog(VideoManager.class); public String extractVideoIdFromResult(String input) { LOG.debug("[extractVideoIdFromResult] - BEGIN"); String result; Document doc = Jsoup.parse(input); String idDirty = doc.select("id").get(1).text(); System.out.println("ID dirty: " + idDirty); String[] idArray = idDirty.split("video:"); result = idArray[idArray.length - 1]; LOG.debug("[extractVideoIdFromResult] - END"); return result; } // just for testing public static void main(String[] args) throws IOException { VideoManager vm = new VideoManager(); // Ludovico Einaudi, Una Mattina System.out.println(vm.extractVideoIdFromResult("<?xml version='1.0' encoding='UTF-8'?><feed xmlns='ht" + "tp://www.w3.org/2005/Atom' xmlns:media='http://search.yahoo.com/mrss/' xmlns:openSearch='htt" + "p://a9.com/-/spec/opensearch/1.1/' xmlns:gd='http://schemas.google.com/g/2005' xmlns:yt='htt" + "p://gdata.youtube.com/schemas/2007' gd:etag='W/"DEUFRnYyfSp7I2A9WhJXGEo."'><id>tag" + ":youtube.com,2008:videos</id><updated>2012-08-13T16:43:37.895Z</updated><category scheme='ht" + "tp://schemas.google.com/g/2005#kind' term='http://gdata.youtube.com/schemas/2007#video'/><ti" + "tle>YouTube Videos matching query: Ludovico Einaudi Una Mattina</title><logo>http://www.yout" + "ube.com/img/pic_youtubelogo_123x63.gif</logo><link rel='alternate' type='text/html' href='ht" + "tps://www.youtube.com'/><link rel='http://schemas.google.com/g/2005#feed' type='application/" + "atom+xml' href='https://gdata.youtube.com/feeds/api/videos?v=2'/><link rel='http://schemas.g" + "oogle.com/g/2005#batch' type='application/atom+xml' href='https://gdata.youtube.com/feeds/ap" + "i/videos/batch?v=2'/><link rel='self' type='application/atom+xml' href='https://gdata.youtub" + "e.com/feeds/api/videos?q=Ludovico+Einaudi+Una+Mattina&start-index=1&max-results=1&am" + "p;hd=true&v=2'/><link rel='service' type='application/atomsvc+xml' href='https://gdata.y" + "outube.com/feeds/api/videos?alt=atom-service&v=2'/><link rel='next' type='application/at" + "om+xml' href='https://gdata.youtube.com/feeds/api/videos?q=Ludovico+Einaudi+Una+Mattina&" + "start-index=2&max-results=1&hd=true&v=2'/><author><name>YouTube</name><uri>http:" + "//www.youtube.com/</uri></author><generator version='2.1' uri='http://gdata.youtube.com'>You" + "Tube data API</generator><openSearch:totalResults>1154</openSearch:totalResults><openSearch:" + "startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>1</openSearch:itemsPerPage><ent" + "ry gd:etag='W/"D0UDR347eCp7I2A9WhJXGEo."'><id>tag:youtube.com,2008:video:hHsnECVc_" + "DE</id><published>2011-12-04T20:20:45.000Z</published><updated>2012-08-13T16:27:56.000Z</upd" + "ated><category scheme='http://schemas.google.com/g/2005#kind' term='http://gdata.youtube.com" + "/schemas/2007#video'/><category scheme='http://gdata.youtube.com/schemas/2007/categories.cat" + "' term='Music' label='Musica'/><category scheme='http://gdata.youtube.com/schemas/2007/keywo" + "rds.cat' term='BO'/><category scheme='http://gdata.youtube.com/schemas/2007/keywords.cat' te" + "rm='Film'/><category scheme='http://gdata.youtube.com/schemas/2007/keywords.cat' term='Intou" + "chables'/><category scheme='http://gdata.youtube.com/schemas/2007/keywords.cat' term='Ludovi" + "co'/><category scheme='http://gdata.youtube.com/schemas/2007/keywords.cat' term='Einaudi'/><" + "category scheme='http://gdata.youtube.com/schemas/2007/keywords.cat' term='Una'/><category s" + "cheme='http://gdata.youtube.com/schemas/2007/keywords.cat' term='Mattina'/><category scheme=" + "'http://gdata.youtube.com/schemas/2007/keywords.cat' term='Cinma'/><category scheme='http:/" + "/gdata.youtube.com/schemas/2007/keywords.cat' term='Musique'/><category scheme='http://gdata" + ".youtube.com/schemas/2007/keywords.cat' term='Fin'/><category scheme='http://gdata.youtube.c" + "om/schemas/2007/keywords.cat' term='Omar'/><category scheme='http://gdata.youtube.com/schema" + "s/2007/keywords.cat' term='Sy'/><category scheme='http://gdata.youtube.com/schemas/2007/keyw" + "ords.cat' term='Franois'/><category scheme='http://gdata.youtube.com/schemas/2007/keywords." + "cat' term='Cluzet'/><category scheme='http://gdata.youtube.com/schemas/2007/keywords.cat' te" + "rm='Cover'/><category scheme='http://gdata.youtube.com/schemas/2007/keywords.cat' term='Pian" + "o'/><title>BO Film \"Intouchables\" - Ludovico Einaudi - Una Mattina</title><content type='a" + "pplication/x-shockwave-flash' src='https://www.youtube.com/v/hHsnECVc_DE?version=3&f=vid" + "eos&app=youtube_gdata'/><link rel='alternate' type='text/html' href='https://www.youtube" + ".com/watch?v=hHsnECVc_DE&feature=youtube_gdata'/><link rel='http://gdata.youtube.com/sch" + "emas/2007#video.responses' type='application/atom+xml' href='https://gdata.youtube.com/feeds" + "/api/videos/hHsnECVc_DE/responses?v=2'/><link rel='http://gdata.youtube.com/schemas/2007#vid" + "eo.related' type='application/atom+xml' href='https://gdata.youtube.com/feeds/api/videos/hHs" + "nECVc_DE/related?v=2'/><link rel='http://gdata.youtube.com/schemas/2007#mobile' type='text/h" + "tml' href='https://m.youtube.com/details?v=hHsnECVc_DE'/><link rel='http://gdata.youtube.com" + "/schemas/2007#uploader' type='application/atom+xml' href='https://gdata.youtube.com/feeds/ap" + "i/users/e7PBYB0wR7lqHyR7OFcZBQ?v=2'/><link rel='self' type='application/atom+xml' href='http" + "s://gdata.youtube.com/feeds/api/videos/hHsnECVc_DE?v=2'/><author><name>MrNewsMusic</name><ur" + "i>https://gdata.youtube.com/feeds/api/users/MrNewsMusic</uri><yt:userId>e7PBYB0wR7lqHyR7OFcZ" + "BQ</yt:userId></author><yt:accessControl action='comment' permission='allowed'/><yt:accessCo" + "ntrol action='commentVote' permission='allowed'/><yt:accessControl action='videoRespond' per" + "mission='moderated'/><yt:accessControl action='rate' permission='allowed'/><yt:accessControl" + " action='embed' permission='allowed'/><yt:accessControl action='list' permission='allowed'/>" + "<yt:accessControl action='autoPlay' permission='allowed'/><yt:accessControl action='syndicat" + "e' permission='allowed'/><gd:comments><gd:feedLink rel='http://gdata.youtube.com/schemas/200" + "7#comments' href='https://gdata.youtube.com/feeds/api/videos/hHsnECVc_DE/comments?v=2' count" + "Hint='2131'/></gd:comments><yt:hd/><media:group><media:category label='Musica' scheme='http:" + "//gdata.youtube.com/schemas/2007/categories.cat'>Music</media:category><media:content url='h" + "ttps://www.youtube.com/v/hHsnECVc_DE?version=3&f=videos&app=youtube_gdata' type='app" + "lication/x-shockwave-flash' medium='video' isDefault='true' expression='full' duration='401'" + " yt:format='5'/><media:content url='rtsp://v3.cache4.c.youtube.com/CiILENy73wIaGQkx_FwlECd7h" + "BMYDSANFEgGUgZ2aWRlb3MM/0/0/0/video.3gp' type='video/3gpp' medium='video' expression='full' " + "duration='401' yt:format='1'/><media:content url='rtsp://v3.cache5.c.youtube.com/CiILENy73wI" + "aGQkx_FwlECd7hBMYESARFEgGUgZ2aWRlb3MM/0/0/0/video.3gp' type='video/3gpp' medium='video' expr" + "ession='full' duration='401' yt:format='6'/><media:credit role='uploader' scheme='urn:youtub" + "e' yt:display='MrNewsMusic'>mrnewsmusic</media:credit><media:description type='plain'>BO du " + "Film \"Intouchables\" - Ludovico Einaudi - Una Mattina</media:description><media:keywords>BO" + ", Film, Intouchables, Ludovico, Einaudi, Una, Mattina, Cinma, Musique, Fin, Omar, Sy, Fran" + "ois, Cluzet, Cover, Piano</media:keywords><media:license type='text/html' href='http://www.y" + "outube.com/t/terms'>youtube</media:license><media:player url='https://www.youtube.com/watch?" + "v=hHsnECVc_DE&feature=youtube_gdata_player'/><media:thumbnail url='http://i.ytimg.com/vi" + "/hHsnECVc_DE/default.jpg' height='90' width='120' time='00:03:20.500' yt:name='default'/><me" + "dia:thumbnail url='http://i.ytimg.com/vi/hHsnECVc_DE/mqdefault.jpg' height='180' width='320'" + " yt:name='mqdefault'/><media:thumbnail url='http://i.ytimg.com/vi/hHsnECVc_DE/hqdefault.jpg'" + " height='360' width='480' yt:name='hqdefault'/><media:thumbnail url='http://i.ytimg.com/vi/h" + "HsnECVc_DE/1.jpg' height='90' width='120' time='00:01:40.250' yt:name='start'/><media:thumbn" + "ail url='http://i.ytimg.com/vi/hHsnECVc_DE/2.jpg' height='90' width='120' time='00:03:20.500" + "' yt:name='middle'/><media:thumbnail url='http://i.ytimg.com/vi/hHsnECVc_DE/3.jpg' height='9" + "0' width='120' time='00:05:00.750' yt:name='end'/><media:title type='plain'>BO Film \"Intouc" + "hables\" - Ludovico Einaudi - Una Mattina</media:title><yt:aspectRatio>widescreen</yt:aspect" + "Ratio><yt:duration seconds='401'/><yt:uploaded>2011-12-04T20:20:45.000Z</yt:uploaded><yt:upl" + "oaderId>UCe7PBYB0wR7lqHyR7OFcZBQ</yt:uploaderId><yt:videoid>hHsnECVc_DE</yt:videoid></media:" + "group><gd:rating average='4.9742002' max='5' min='1' numRaters='15349' rel='http://schemas.g" + "oogle.com/g/2005#overall'/><yt:statistics favoriteCount='13034' viewCount='3332813'/><yt:rat" + "ing numDislikes='99' numLikes='15250'/></entry></feed>")); } }