asciidoctor/src/main/java/Main.java

   1 import java.io.*;
   2 import java.util.*;
   3
   4 import org.asciidoctor.Asciidoctor;
   5 import org.asciidoctor.Asciidoctor.Factory;
   6 import org.asciidoctor.Options;
   7 import org.asciidoctor.ast.Document;
   8 import org.asciidoctor.ast.DocumentHeader;
   9
  10 import com.rometools.rome.feed.synd.*;
  11 import com.rometools.rome.io.FeedException;
  12 import com.rometools.rome.io.SyndFeedOutput;
  13
  14 public class Main {
  15         private static File toHTMLFile(File dir, File adoc) {
  16                 int idx;
  17                 String name;
  18
  19                 name = adoc.getName();
  20
  21                 idx = name.lastIndexOf('.');
  22
  23                 if (idx >= 0)
  24                         name = name.substring(0, idx);
  25
  26                 return new File(dir, name + ".html");
  27         }
  28
  29         public static void main(String[] args) throws FileNotFoundException, IOException, FeedException {
  30                 File inDir, html, outDir;
  31                 File[] adocs;
  32                 StringWriter sw;
  33                 Asciidoctor asciidoctor;
  34                 Options opts;
  35                 SyndFeed feed;
  36                 Properties props;
  37                 ArrayList<SyndEntry> entries;
  38                 SyndEntryImpl e;
  39                 InputStream in;
  40                 DocumentHeader h;
  41                 SyndContentImpl c;
  42
  43                 inDir = new File(args[0]);
  44                 outDir = new File(args[1]);
  45
  46                 props = new Properties();
  47                 in = new FileInputStream(args[2]);
  48                 props.load(in);
  49                 in.close();
  50
  51                 adocs = inDir.listFiles();
  52
  53                 asciidoctor = Factory.create();
  54
  55                 feed = new SyndFeedImpl();
  56                 feed.setTitle(props.getProperty("feed.title"));
  57                 feed.setDescription(props.getProperty("feed.description"));
  58                 feed.setLink(props.getProperty("feed.link"));
  59
  60                 entries = new ArrayList<SyndEntry>();
  61
  62                 for (File adoc: adocs) {
  63                         if (!adoc.getName().endsWith(".adoc"))
  64                                 continue;
  65                         sw = new StringWriter();
  66
  67                         html = toHTMLFile(outDir, adoc);
  68
  69                         h = asciidoctor.readDocumentHeader(adoc);
  70
  71                         asciidoctor.convert(new FileReader(adoc), sw, new HashMap<String,Object>());
  72
  73                         e = new SyndEntryImpl();
  74                         e.setTitle(h.getDocumentTitle().getMain());
  75                         e.setUri(props.getProperty("feed.baseurl") + "/" + html.getName());
  76
  77                         c = new SyndContentImpl();
  78                         c.setType("text/html");
  79                         c.setValue(sw.toString());
  80
  81                         e.setDescription(c);
  82
  83                         entries.add(e);
  84                 }
  85
  86                 feed.setEntries(entries);
  87
  88                 feed.setFeedType("rss_2.0");
  89                 SyndFeedOutput output = new SyndFeedOutput();
  90                 output.output(feed, new File(outDir, "feed.xml"));
  91         }
  92 }