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.DocumentHeader;
   8
   9 import com.rometools.rome.feed.synd.*;
  10 import com.rometools.rome.io.FeedException;
  11 import com.rometools.rome.io.SyndFeedOutput;
  12
  13 public class Main {
  14         private static File toHTMLFile(File dir, File adoc) {
  15                 int idx;
  16                 String name;
  17
  18                 name = adoc.getName();
  19
  20                 idx = name.lastIndexOf('.');
  21
  22                 if (idx >= 0)
  23                         name = name.substring(0, idx);
  24
  25                 return new File(dir, name + ".html");
  26         }
  27
  28         public static void main(String[] args) throws FileNotFoundException, IOException, FeedException {
  29                 File inDir, html, outDir;
  30                 File[] adocs;
  31                 StringWriter sw;
  32                 Asciidoctor asciidoctor;
  33                 Options opts;
  34                 SyndFeed feed;
  35                 Properties props;
  36                 ArrayList<SyndEntry> entries;
  37                 SyndEntryImpl e;
  38                 InputStream in;
  39                 DocumentHeader h;
  40                 SyndContentImpl c;
  41
  42                 inDir = new File(args[0]);
  43                 outDir = new File(args[1]);
  44
  45                 props = new Properties();
  46                 in = new FileInputStream(args[2]);
  47                 props.load(in);
  48                 in.close();
  49
  50                 adocs = inDir.listFiles();
  51
  52                 asciidoctor = Factory.create();
  53
  54                 feed = new SyndFeedImpl();
  55                 feed.setTitle(props.getProperty("feed.title"));
  56                 feed.setDescription(props.getProperty("feed.description"));
  57                 feed.setLink(props.getProperty("feed.link"));
  58
  59                 entries = new ArrayList<SyndEntry>();
  60
  61                 for (File adoc: adocs) {
  62                         if (!adoc.getName().endsWith(".adoc"))
  63                                 continue;
  64
  65                         sw = new StringWriter();
  66
  67                         html = toHTMLFile(outDir, adoc);
  68                         System.out.println(adoc + " => " + html);
  69
  70                         opts = new Options();
  71                         opts.setToFile(html.getAbsolutePath());
  72
  73                         asciidoctor.renderFile(adoc, opts);
  74
  75                         h = asciidoctor.readDocumentHeader(adoc);
  76
  77                         asciidoctor.convert(new FileReader(adoc), sw, Collections.emptyMap());
  78
  79                         e = new SyndEntryImpl();
  80                         e.setTitle(h.getDocumentTitle().getMain());
  81
  82                         c = new SyndContentImpl();
  83                         c.setType("text/html");
  84                         c.setValue(sw.toString());
  85
  86                         e.setDescription(c);
  87
  88                         entries.add(e);
  89                 }
  90
  91                 feed.setEntries(entries);
  92
  93                 feed.setFeedType("rss_2.0");
  94                 SyndFeedOutput output = new SyndFeedOutput();
  95                 System.out.println("" + output.outputString(feed));
  96         }
  97 }