| 1 | package be.nikiroo.gofetch.support; |
| 2 | |
| 3 | import java.io.IOException; |
| 4 | import java.io.InputStream; |
| 5 | import java.net.URL; |
| 6 | import java.util.ArrayList; |
| 7 | import java.util.List; |
| 8 | |
| 9 | import org.jsoup.helper.DataUtil; |
| 10 | import org.jsoup.nodes.Document; |
| 11 | import org.jsoup.nodes.Element; |
| 12 | import org.jsoup.select.Elements; |
| 13 | |
| 14 | import be.nikiroo.gofetch.data.Comment; |
| 15 | import be.nikiroo.gofetch.data.Story; |
| 16 | |
| 17 | /** |
| 18 | * Support <a href='https://slashdot.org/'>https://slashdot.org/</a>. |
| 19 | * |
| 20 | * @author niki |
| 21 | */ |
| 22 | public class Slashdot extends BasicSupport { |
| 23 | @Override |
| 24 | public String getDescription() { |
| 25 | return "Slashdot: News for nerds, stuff that matters!"; |
| 26 | } |
| 27 | |
| 28 | @Override |
| 29 | public List<Story> list() throws IOException { |
| 30 | List<Story> list = new ArrayList<Story>(); |
| 31 | |
| 32 | URL url = new URL("https://slashdot.org/"); |
| 33 | InputStream in = open(url); |
| 34 | Document doc = DataUtil.load(in, "UTF-8", url.toString()); |
| 35 | Elements stories = doc.getElementsByTag("header"); |
| 36 | for (Element story : stories) { |
| 37 | Elements titles = story.getElementsByClass("story-title"); |
| 38 | if (titles.size() == 0) { |
| 39 | continue; |
| 40 | } |
| 41 | |
| 42 | Element title = titles.get(0); |
| 43 | |
| 44 | String id = "" + title.attr("id"); |
| 45 | if (id.startsWith("title-")) { |
| 46 | id = id.substring("title-".length()); |
| 47 | } |
| 48 | |
| 49 | Elements links = title.getElementsByTag("a"); |
| 50 | String intUrl = null; |
| 51 | String extUrl = null; |
| 52 | if (links.size() > 0) { |
| 53 | intUrl = links.get(0).absUrl("href"); |
| 54 | } |
| 55 | if (links.size() > 1) { |
| 56 | extUrl = links.get(1).absUrl("href"); |
| 57 | } |
| 58 | |
| 59 | String details = ""; |
| 60 | Elements detailsElements = story.getElementsByClass("details"); |
| 61 | if (detailsElements.size() > 0) { |
| 62 | details = detailsElements.get(0).text(); |
| 63 | } |
| 64 | |
| 65 | String body = ""; |
| 66 | Element bodyElement = doc.getElementById("text-" + id); |
| 67 | if (bodyElement != null) { |
| 68 | body = bodyElement.text(); |
| 69 | } |
| 70 | |
| 71 | list.add(new Story(getType(), id, title.text(), details, intUrl, |
| 72 | extUrl, body)); |
| 73 | } |
| 74 | |
| 75 | return list; |
| 76 | } |
| 77 | |
| 78 | @Override |
| 79 | public List<Comment> getComments(Story story) throws IOException { |
| 80 | List<Comment> comments = new ArrayList<Comment>(); |
| 81 | |
| 82 | URL url = new URL(story.getUrlInternal()); |
| 83 | InputStream in = open(url); |
| 84 | Document doc = DataUtil.load(in, "UTF-8", url.toString()); |
| 85 | Element listing = doc.getElementById("commentlisting"); |
| 86 | if (listing != null) { |
| 87 | comments.addAll(getComments(listing)); |
| 88 | } |
| 89 | |
| 90 | return comments; |
| 91 | } |
| 92 | |
| 93 | private List<Comment> getComments(Element listing) { |
| 94 | List<Comment> comments = new ArrayList<Comment>(); |
| 95 | for (Element commentElement : listing.children()) { |
| 96 | if (commentElement.hasClass("comment")) { |
| 97 | Comment comment = getComment(commentElement); |
| 98 | if (!comment.isEmpty()) { |
| 99 | comments.add(comment); |
| 100 | } |
| 101 | } |
| 102 | } |
| 103 | return comments; |
| 104 | } |
| 105 | |
| 106 | private Comment getComment(Element commentElement) { |
| 107 | String title = firstOrEmpty(commentElement, "title"); |
| 108 | String author = firstOrEmpty(commentElement, "by"); |
| 109 | String content = firstOrEmpty(commentElement, "commentBody"); |
| 110 | String date = firstOrEmpty(commentElement, "otherdetails"); |
| 111 | |
| 112 | Comment comment = new Comment(commentElement.id(), author, title, date, |
| 113 | content); |
| 114 | |
| 115 | for (Element child : commentElement.children()) { |
| 116 | if (child.id().contains("commtree_")) { |
| 117 | comment.addAll(getComments(child)); |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | return comment; |
| 122 | } |
| 123 | |
| 124 | private String firstOrEmpty(Element element, String className) { |
| 125 | Elements subElements = element.getElementsByClass(className); |
| 126 | if (subElements.size() > 0) { |
| 127 | return subElements.get(0).text(); |
| 128 | } |
| 129 | |
| 130 | return ""; |
| 131 | } |
| 132 | } |