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2d95a873 NR |
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://pipedot.org/'>https://pipedot.org/</a>. | |
19 | * | |
20 | * @author niki | |
21 | */ | |
22 | public class Pipedot extends BasicSupport { | |
23 | @Override | |
24 | public String getDescription() { | |
25 | return "Pipedot: News for nerds, without the corporate slant"; | |
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://pipedot.org/"); | |
33 | InputStream in = open(url); | |
34 | Document doc = DataUtil.load(in, "UTF-8", url.toString()); | |
35 | Elements stories = doc.getElementsByClass("story"); | |
36 | for (Element story : stories) { | |
37 | Elements titles = story.getElementsByTag("h1"); | |
38 | if (titles.size() == 0) { | |
39 | continue; | |
40 | } | |
41 | ||
42 | Element title = titles.get(0); | |
43 | ||
44 | String id = ""; | |
45 | for (Element idElem : story.getElementsByTag("a")) { | |
46 | if (idElem.attr("href").startsWith("/pipe/")) { | |
47 | id = idElem.attr("href").substring("/pipe/".length()); | |
48 | break; | |
49 | } | |
50 | } | |
51 | ||
52 | String intUrl = null; | |
53 | String extUrl = null; | |
54 | ||
55 | Elements links = story.getElementsByTag("a"); | |
56 | if (links.size() > 0) { | |
57 | intUrl = links.get(0).absUrl("href"); | |
58 | } | |
59 | ||
60 | // Take first ext URL as original source | |
61 | for (Element link : links) { | |
62 | String uuu = link.absUrl("href"); | |
63 | if (!uuu.isEmpty() && !uuu.contains("pipedot.org/")) { | |
64 | extUrl = uuu; | |
65 | break; | |
66 | } | |
67 | } | |
68 | ||
69 | String details = ""; | |
70 | Elements detailsElements = story.getElementsByTag("div"); | |
71 | if (detailsElements.size() > 0) { | |
72 | details = detailsElements.get(0).text(); | |
73 | } | |
74 | ||
75 | String body = ""; | |
76 | for (Element elem : story.children()) { | |
77 | String tag = elem.tag().toString(); | |
78 | if (!tag.equals("header") && !tag.equals("footer")) { | |
79 | body = elem.text(); | |
80 | break; | |
81 | } | |
82 | } | |
83 | ||
84 | list.add(new Story(getType(), id, title.text(), details, intUrl, | |
85 | extUrl, body)); | |
86 | } | |
87 | ||
88 | return list; | |
89 | } | |
90 | ||
91 | @Override | |
92 | public List<Comment> getComments(Story story) throws IOException { | |
93 | List<Comment> comments = new ArrayList<Comment>(); | |
94 | ||
95 | URL url = new URL(story.getUrlInternal()); | |
96 | InputStream in = open(url); | |
97 | Document doc = DataUtil.load(in, "UTF-8", url.toString()); | |
98 | Elements listing = doc.getElementsByTag("main"); | |
99 | if (listing.size() > 0) { | |
100 | comments.addAll(getComments(listing.get(0))); | |
101 | } | |
102 | ||
103 | return comments; | |
104 | } | |
105 | ||
106 | private List<Comment> getComments(Element listing) { | |
107 | List<Comment> comments = new ArrayList<Comment>(); | |
108 | for (Element commentElement : listing.children()) { | |
109 | if (commentElement.hasClass("comment")) { | |
110 | Comment comment = getComment(commentElement); | |
111 | if (!comment.isEmpty()) { | |
112 | comments.add(comment); | |
113 | } | |
114 | } | |
115 | } | |
116 | return comments; | |
117 | } | |
118 | ||
119 | private Comment getComment(Element commentElement) { | |
120 | String title = firstOrEmptyTag(commentElement, "h3"); | |
121 | String author = firstOrEmpty(commentElement, "h4"); | |
122 | String content = firstOrEmpty(commentElement, "comment-body"); | |
123 | ||
124 | String date = ""; | |
125 | int pos = author.lastIndexOf(" on "); | |
126 | if (pos >= 0) { | |
127 | date = author.substring(pos + " on ".length()).trim(); | |
128 | author = author.substring(0, pos).trim(); | |
129 | } | |
130 | ||
131 | Comment comment = new Comment(commentElement.id(), author, title, date, | |
132 | content); | |
133 | ||
134 | Elements commentOutline = commentElement | |
135 | .getElementsByClass("comment-outline"); | |
136 | if (commentOutline.size() > 0) { | |
137 | comment.addAll(getComments(commentOutline.get(0))); | |
138 | } | |
139 | ||
140 | return comment; | |
141 | } | |
142 | ||
143 | /** | |
144 | * Get the first element of the given class, or an empty {@link String} if | |
145 | * none found. | |
146 | * | |
147 | * @param element | |
148 | * the element to look in | |
149 | * @param className | |
150 | * the class to look for | |
151 | * | |
152 | * @return the value or an empty {@link String} | |
153 | */ | |
154 | private String firstOrEmpty(Element element, String className) { | |
155 | Elements subElements = element.getElementsByClass(className); | |
156 | if (subElements.size() > 0) { | |
157 | return subElements.get(0).text(); | |
158 | } | |
159 | ||
160 | return ""; | |
161 | } | |
162 | ||
163 | /** | |
164 | * Get the first element of the given tag, or an empty {@link String} if | |
165 | * none found. | |
166 | * | |
167 | * @param element | |
168 | * the element to look in | |
169 | * @param tagName | |
170 | * the tag to look for | |
171 | * | |
172 | * @return the value or an empty {@link String} | |
173 | */ | |
174 | private String firstOrEmptyTag(Element element, String tagName) { | |
175 | Elements subElements = element.getElementsByTag(tagName); | |
176 | if (subElements.size() > 0) { | |
177 | return subElements.get(0).text(); | |
178 | } | |
179 | ||
180 | return ""; | |
181 | } | |
182 | } |