| 1 | package be.nikiroo.gofetch.support; |
| 2 | |
| 3 | import java.io.IOException; |
| 4 | import java.net.URL; |
| 5 | import java.util.AbstractMap; |
| 6 | import java.util.ArrayList; |
| 7 | import java.util.List; |
| 8 | import java.util.Map.Entry; |
| 9 | |
| 10 | import org.jsoup.nodes.Document; |
| 11 | import org.jsoup.nodes.Element; |
| 12 | import org.jsoup.nodes.Node; |
| 13 | import org.jsoup.select.Elements; |
| 14 | |
| 15 | /** |
| 16 | * Support <a href='https://slashdot.org/'>https://slashdot.org/</a>. |
| 17 | * |
| 18 | * @author niki |
| 19 | */ |
| 20 | public class Slashdot extends BasicSupport { |
| 21 | @Override |
| 22 | public String getDescription() { |
| 23 | return "Slashdot: News for nerds, stuff that matters!"; |
| 24 | } |
| 25 | |
| 26 | @Override |
| 27 | protected List<Entry<URL, String>> getUrls() throws IOException { |
| 28 | List<Entry<URL, String>> urls = new ArrayList<Entry<URL, String>>(); |
| 29 | urls.add(new AbstractMap.SimpleEntry<URL, String>(new URL( |
| 30 | "https://slashdot.org/"), "")); |
| 31 | return urls; |
| 32 | } |
| 33 | |
| 34 | @Override |
| 35 | protected List<Element> getArticles(Document doc) { |
| 36 | return doc.getElementsByTag("header"); |
| 37 | } |
| 38 | |
| 39 | @Override |
| 40 | protected String getArticleId(Document doc, Element article) { |
| 41 | Element title = article.getElementsByClass("story-title").first(); |
| 42 | if (title != null) { |
| 43 | String id = title.attr("id"); |
| 44 | if (id.startsWith("title-")) { |
| 45 | id = id.substring("title-".length()); |
| 46 | } |
| 47 | |
| 48 | return id; |
| 49 | } |
| 50 | |
| 51 | return ""; |
| 52 | } |
| 53 | |
| 54 | @Override |
| 55 | protected String getArticleTitle(Document doc, Element article) { |
| 56 | Element title = article.getElementsByClass("story-title").first(); |
| 57 | if (title != null) { |
| 58 | return title.text(); |
| 59 | } |
| 60 | |
| 61 | return ""; |
| 62 | } |
| 63 | |
| 64 | @Override |
| 65 | protected String getArticleAuthor(Document doc, Element article) { |
| 66 | // details: "Posted by AUTHOR on DATE from the further-crackdown dept." |
| 67 | String details = getArticleDetailsReal(article); |
| 68 | int pos = details.indexOf(" on "); |
| 69 | if (details.startsWith("Posted by ") && pos >= 0) { |
| 70 | return details.substring("Posted by ".length(), pos).trim(); |
| 71 | } |
| 72 | |
| 73 | return ""; |
| 74 | } |
| 75 | |
| 76 | @Override |
| 77 | protected String getArticleDate(Document doc, Element article) { |
| 78 | // Do not try bad articles |
| 79 | if (getArticleId(doc, article).isEmpty()) { |
| 80 | return ""; |
| 81 | } |
| 82 | |
| 83 | Element dateElement = doc.getElementsByTag("time").first(); |
| 84 | if (dateElement != null) { |
| 85 | String date = dateElement.text().trim(); |
| 86 | if (date.startsWith("on ")) { |
| 87 | date = date.substring("on ".length()); |
| 88 | } |
| 89 | |
| 90 | return date; |
| 91 | } |
| 92 | |
| 93 | return ""; |
| 94 | } |
| 95 | |
| 96 | @Override |
| 97 | protected String getArticleCategory(Document doc, Element article, |
| 98 | String currentCategory) { |
| 99 | Element categElement = doc.getElementsByClass("topic").first(); |
| 100 | if (categElement != null) { |
| 101 | return categElement.text(); |
| 102 | } |
| 103 | |
| 104 | return ""; |
| 105 | } |
| 106 | |
| 107 | @Override |
| 108 | protected String getArticleDetails(Document doc, Element article) { |
| 109 | // details: "Posted by AUTHOR on DATE from the further-crackdown dept." |
| 110 | String details = getArticleDetailsReal(article); |
| 111 | int pos = details.indexOf(" from the "); |
| 112 | if (pos >= 0) { |
| 113 | return details.substring(pos).trim(); |
| 114 | } |
| 115 | |
| 116 | return ""; |
| 117 | } |
| 118 | |
| 119 | @Override |
| 120 | protected String getArticleIntUrl(Document doc, Element article) { |
| 121 | Element title = article.getElementsByClass("story-title").first(); |
| 122 | if (title != null) { |
| 123 | Elements links = title.getElementsByTag("a"); |
| 124 | if (links.size() > 0) { |
| 125 | return links.get(0).absUrl("href"); |
| 126 | } |
| 127 | } |
| 128 | return ""; |
| 129 | } |
| 130 | |
| 131 | @Override |
| 132 | protected String getArticleExtUrl(Document doc, Element article) { |
| 133 | Element title = article.getElementsByClass("story-title").first(); |
| 134 | if (title != null) { |
| 135 | Elements links = title.getElementsByTag("a"); |
| 136 | if (links.size() > 1) { |
| 137 | return links.get(1).absUrl("href"); |
| 138 | } |
| 139 | } |
| 140 | return ""; |
| 141 | } |
| 142 | |
| 143 | @Override |
| 144 | protected String getArticleContent(Document doc, Element article) { |
| 145 | Element contentElement = doc // |
| 146 | .getElementById("text-" + getArticleId(doc, article)); |
| 147 | if (contentElement != null) { |
| 148 | return contentElement.text(); |
| 149 | } |
| 150 | |
| 151 | return ""; |
| 152 | } |
| 153 | |
| 154 | @Override |
| 155 | protected Element getFullArticle(Document doc) { |
| 156 | return null; |
| 157 | } |
| 158 | |
| 159 | @Override |
| 160 | protected List<Element> getFullArticleCommentPosts(Document doc, URL intUrl) { |
| 161 | List<Element> commentElements = new ArrayList<Element>(); |
| 162 | Element listing = doc.getElementById("commentlisting"); |
| 163 | if (listing != null) { |
| 164 | for (Element commentElement : listing.children()) { |
| 165 | if (commentElement.hasClass("comment")) { |
| 166 | commentElements.add(commentElement); |
| 167 | } |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | return commentElements; |
| 172 | } |
| 173 | |
| 174 | @Override |
| 175 | protected ElementProcessor getElementProcessorFullArticle() { |
| 176 | return null; |
| 177 | } |
| 178 | |
| 179 | @Override |
| 180 | protected List<Element> getCommentCommentPosts(Document doc, |
| 181 | Element container) { |
| 182 | List<Element> commentElements = new ArrayList<Element>(); |
| 183 | for (Element child : container.children()) { |
| 184 | if (child.id().contains("commtree_")) { |
| 185 | for (Element sub : child.children()) { |
| 186 | if (sub.hasClass("comment")) { |
| 187 | commentElements.add(sub); |
| 188 | } |
| 189 | } |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | return commentElements; |
| 194 | } |
| 195 | |
| 196 | @Override |
| 197 | protected String getCommentId(Element post) { |
| 198 | if (post.hasClass("hidden")) { |
| 199 | return ""; |
| 200 | } |
| 201 | |
| 202 | return post.id(); |
| 203 | } |
| 204 | |
| 205 | @Override |
| 206 | protected String getCommentAuthor(Element post) { |
| 207 | if (post.hasClass("hidden")) { |
| 208 | return ""; |
| 209 | } |
| 210 | |
| 211 | Element author = post.getElementsByClass("by").first(); |
| 212 | if (author != null) { |
| 213 | return author.text(); |
| 214 | } |
| 215 | |
| 216 | return ""; |
| 217 | } |
| 218 | |
| 219 | @Override |
| 220 | protected String getCommentTitle(Element post) { |
| 221 | if (post.hasClass("hidden")) { |
| 222 | return ""; |
| 223 | } |
| 224 | |
| 225 | Element title = post.getElementsByClass("title").first(); |
| 226 | if (title != null) { |
| 227 | return title.text(); |
| 228 | } |
| 229 | |
| 230 | return ""; |
| 231 | } |
| 232 | |
| 233 | @Override |
| 234 | protected String getCommentDate(Element post) { |
| 235 | if (post.hasClass("hidden")) { |
| 236 | return ""; |
| 237 | } |
| 238 | |
| 239 | Element date = post.getElementsByClass("otherdetails").first(); |
| 240 | if (date != null) { |
| 241 | return date.text(); |
| 242 | } |
| 243 | |
| 244 | return ""; |
| 245 | } |
| 246 | |
| 247 | @Override |
| 248 | protected Element getCommentContentElement(Element post) { |
| 249 | if (post.hasClass("hidden")) { |
| 250 | return null; |
| 251 | } |
| 252 | |
| 253 | return post.getElementsByClass("commentBody").first(); |
| 254 | } |
| 255 | |
| 256 | @Override |
| 257 | protected ElementProcessor getElementProcessorComment() { |
| 258 | return new BasicElementProcessor() { |
| 259 | @Override |
| 260 | public String processText(String text) { |
| 261 | while (text.startsWith(">")) { // comment in one-liners |
| 262 | text = text.substring(1).trim(); |
| 263 | } |
| 264 | |
| 265 | return text; |
| 266 | } |
| 267 | |
| 268 | @Override |
| 269 | public boolean detectQuote(Node node) { |
| 270 | if (node instanceof Element) { |
| 271 | Element elementNode = (Element) node; |
| 272 | if (elementNode.tagName().equals("blockquote") |
| 273 | || elementNode.hasClass("quote") |
| 274 | || (elementNode.tagName().equals("p") |
| 275 | && elementNode.textNodes().size() == 1 && elementNode |
| 276 | .textNodes().get(0).getWholeText() |
| 277 | .startsWith(">"))) { |
| 278 | return true; |
| 279 | } |
| 280 | } |
| 281 | |
| 282 | return false; |
| 283 | } |
| 284 | }; |
| 285 | } |
| 286 | |
| 287 | private String getArticleDetailsReal(Element article) { |
| 288 | Element detailsElement = article.getElementsByClass("details").first(); |
| 289 | if (detailsElement != null) { |
| 290 | return detailsElement.text(); |
| 291 | } |
| 292 | |
| 293 | return ""; |
| 294 | } |
| 295 | } |