Commit | Line | Data |
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73785268 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.net.URLConnection; | |
7 | import java.util.List; | |
8 | import java.util.zip.GZIPInputStream; | |
9 | ||
10 | import be.nikiroo.gofetch.data.Comment; | |
11 | import be.nikiroo.gofetch.data.Story; | |
12 | ||
13 | public abstract class BasicSupport { | |
14 | public enum Type { | |
15 | SLASHDOT, | |
16 | } | |
17 | ||
18 | static private String preselector; | |
19 | ||
20 | private Type type; | |
21 | ||
22 | abstract public List<Story> list() throws IOException; | |
23 | ||
24 | abstract public List<Comment> getComments(Story story) throws IOException; | |
25 | ||
26 | abstract public String getDescription(); | |
27 | ||
28 | public String getSelector() { | |
29 | return getSelector(type); | |
30 | } | |
31 | ||
32 | public Type getType() { | |
33 | return type; | |
34 | } | |
35 | ||
36 | protected void setType(Type type) { | |
37 | this.type = type; | |
38 | } | |
39 | ||
40 | /** | |
41 | * @param preselector | |
42 | * the preselector to set | |
43 | */ | |
44 | static public void setPreselector(String preselector) { | |
45 | BasicSupport.preselector = preselector; | |
46 | } | |
47 | ||
48 | static public BasicSupport getSupport(Type type) { | |
49 | BasicSupport support = null; | |
50 | ||
51 | if (type != null) { | |
52 | switch (type) { | |
53 | case SLASHDOT: | |
54 | support = new Slashdot(); | |
55 | break; | |
56 | } | |
57 | ||
58 | if (support != null) { | |
59 | support.setType(type); | |
60 | } | |
61 | } | |
62 | ||
63 | return support; | |
64 | } | |
65 | ||
66 | static public String getSelector(Type type) { | |
67 | return preselector + "/" + type + "/"; | |
68 | } | |
69 | ||
70 | // TODO: check Downloader.java? | |
71 | static protected InputStream open(URL url) throws IOException { | |
72 | URLConnection conn = url.openConnection(); | |
73 | conn.connect(); | |
74 | InputStream in = conn.getInputStream(); | |
75 | if ("gzip".equals(conn.getContentEncoding())) { | |
76 | in = new GZIPInputStream(in); | |
77 | } | |
78 | ||
79 | return in; | |
80 | } | |
81 | } |