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November 17, 2013 07:57
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| /* | |
| * @author: Soumya Kumar | |
| * | |
| * The following program scrapes the webpage "https://lslab.ics.purdue.edu/icsWeb/AvailableStations" | |
| * and parses it get the current lab availability information. | |
| * | |
| * Dependency: Jsoup Parser | |
| * | |
| * */ | |
| /************************************************************************************/ | |
| /* Sample Output - Taken at 2:54 AM on 11/17/2013 | |
| * BCC204=-1.0 | |
| * MRDH146S=-1.0 | |
| * BRES201=-1.0 | |
| * RHPH272=-1.0 | |
| * RHPH316=-1.0 | |
| * HAMP3144=-1.0 | |
| * HAMP2215=-1.0 | |
| * PHYS026=-1.0 | |
| * PHYS022=-1.0 | |
| * PHYS117=-1.0 | |
| * PHYS116=-1.0 | |
| * PHYS014=-1.0 | |
| * PHYS290=-1.0 | |
| * MATHB010=73.52941176470588 | |
| * MATH311=-1.0 | |
| * SC283=-1.0 | |
| * SCG046=-1.0 | |
| * SC189=-1.0 | |
| * SC183=-1.0 | |
| * SC246=-1.0 | |
| * SC277=-1.0 | |
| * SC179=-1.0 | |
| * SC231=-1.0 | |
| * SC289=-1.0 | |
| * WTHR214=-1.0 | |
| * WTHR212=-1.0 | |
| * WTHR114=-1.0 | |
| * WTHR307=-1.0 | |
| * WTHR305=-1.0 | |
| * HEAV227=-1.0 | |
| * GRIS121=-1.0 | |
| * GRIS120=-1.0 | |
| * BRNGB286=-1.0 | |
| * BRNGB282=-1.0 | |
| * BRNGB280=-1.0 | |
| * BRNGB275=-1.0 | |
| * BRNGB274=-1.0 | |
| * BRNGB291=-1.0 | |
| * MTHW116=-1.0 | |
| * MTHW301=-1.0 | |
| * STEW135=-1.0 | |
| * STEW102=-1.0 | |
| * HIKSG950=71.1864406779661 | |
| * HIKSG980D=71.42857142857143 | |
| * HIKSG980C=100.0 | |
| * LILYG428=-1.0 | |
| * LILY2400=-1.0 | |
| * LYNN2133=-1.0 | |
| * MCUTC216=-1.0 | |
| */ | |
| /*******************************************************************************************************/ | |
| import org.jsoup.nodes.Document; | |
| import org.jsoup.Jsoup; | |
| import org.jsoup.nodes.Element; | |
| import org.jsoup.select.Elements; | |
| public class HTMLLabScrapper { | |
| /* | |
| * -1.0 means closed | |
| * -2.0 means class in session | |
| * else return percentage available computers | |
| */ | |
| /* | |
| * @return percentage of lab availibity or 1.0 or 2.0 | |
| * | |
| */ | |
| public static double getLabInfo(String labUrl) { | |
| Document doc=null; | |
| try { | |
| doc = Jsoup.connect(labUrl).get(); | |
| } catch (Exception e) { | |
| System.out.println("Error connecting using Jsoup"); | |
| } | |
| int count = 0; | |
| String temp[]; | |
| double avail=0; //number of available computers | |
| double inUse=0; //number of computer in use | |
| Elements links = doc.select("span"); | |
| for (Element link : links) { | |
| count++; | |
| if (count==2) { | |
| temp=link.text().split(" "); | |
| if (temp[3].equals("OPEN.")) | |
| ; | |
| else if(temp[3].equals("CLOSED.")) | |
| return -1.0; | |
| else | |
| return -2.0; | |
| } | |
| if (count==3) { | |
| temp=link.text().split(" "); | |
| inUse=Double.parseDouble(temp[2]); | |
| } | |
| if (count==4) { | |
| temp=link.text().split(" "); | |
| avail=Double.parseDouble(temp[2]); | |
| } | |
| } | |
| return (avail-inUse)/avail*100; | |
| } | |
| public static void main(String[] args) { | |
| String[] labUrls = | |
| { | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=BCC&room=204", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=MRDH&room=146S", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=BRES&room=201", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=RHPH&room=272", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=RHPH&room=316", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=HAMP&room=3144", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=HAMP&room=2215", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=PHYS&room=026", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=PHYS&room=022", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=PHYS&room=117", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=PHYS&room=116", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=PHYS&room=014", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=PHYS&room=290", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=MATH&room=B010", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=MATH&room=311", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=SC&room=283", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=SC&room=G046", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=SC&room=189", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=SC&room=183", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=SC&room=246", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=SC&room=277", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=SC&room=179", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=SC&room=231", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=SC&room=289", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=WTHR&room=214", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=WTHR&room=212", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=WTHR&room=114", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=WTHR&room=307", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=WTHR&room=305", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=HEAV&room=227", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=GRIS&room=121", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=GRIS&room=120", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=BRNG&room=B286", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=BRNG&room=B282", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=BRNG&room=B280", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=BRNG&room=B275", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=BRNG&room=B274", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=BRNG&room=B291", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=MTHW&room=116", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=MTHW&room=301", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=STEW&room=135", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=STEW&room=102", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=HIKS&room=G950", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=HIKS&room=G980D", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=HIKS&room=G980C", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=LILY&room=G428", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=LILY&room=2400", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=LYNN&room=2133", | |
| "https://lslab.ics.purdue.edu/icsWeb/LabInfo?building=MCUT&room=C216" | |
| }; | |
| String labName; | |
| String[] temp; | |
| for (int i=0; i<labUrls.length; i++) { | |
| labName = labUrls[i].substring(53, labUrls[i].length()); | |
| temp = labName.split("&room="); | |
| System.out.print(temp[0]); | |
| System.out.print(temp[1]); | |
| System.out.println("="+getLabInfo(labUrls[i])); | |
| } | |
| } | |
| } | |
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