implemented ripper for EHentai galleries

src/main/java/com/rarchives/ripme/ripper/rippers/EHentaiRipper.java

@@ -0,0 +1,112 @@
+package com.rarchives.ripme.ripper.rippers;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.apache.log4j.Logger;
+import org.jsoup.Jsoup;
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+import org.jsoup.select.Elements;
+
+import com.rarchives.ripme.ripper.AlbumRipper;
+
+public class EHentaiRipper extends AlbumRipper {
+    private static final String DOMAIN = "g.e-hentai.org", HOST = "e-hentai";
+    private static final Logger logger = Logger.getLogger(EHentaiRipper.class);
+
+    private Document albumDoc = null;
+
+    private URL prevUrl = null;
+    private URL cursorUrl = null;
+    private Document cursorDoc = null;
+
+    public EHentaiRipper(URL url) throws IOException {
+        super(url);
+    }
+
+    @Override
+    public String getHost() {
+        return HOST;
+    }
+
+    public URL sanitizeURL(URL url) throws MalformedURLException {
+        return url;
+    }
+
+    public String getAlbumTitle(URL url) throws MalformedURLException {
+        try {
+            // Attempt to use album title as GID
+            if (albumDoc == null) {
+                albumDoc = Jsoup.connect(url.toExternalForm()).get();
+            }
+            Elements elems = albumDoc.select("#gn");
+            return HOST + "_" + elems.get(0).text();
+        } catch (Exception e) {
+            // Fall back to default album naming convention
+            e.printStackTrace();
+        }
+        return super.getAlbumTitle(url);
+    }
+
+    @Override
+    public String getGID(URL url) throws MalformedURLException {
+        Pattern p;
+        Matcher m;
+
+        System.out.println(url);
+
+        p = Pattern.compile("^.*g\\.e-hentai\\.org/g/[0-9]+/[a-fA-F0-9]+)/$");
+        m = p.matcher(url.toExternalForm());
+        if (m.matches()) {
+            return m.group(1);
+        }
+
+        throw new MalformedURLException(
+                "Expected g.e-hentai.org gallery format: "
+                        + "http://g.e-hentai.org/g/####/####/"
+                        + " Got: " + url);
+    }
+
+    @Override
+    public void rip() throws IOException {
+        int index = 0;
+        logger.info("    Retrieving " + this.url.toExternalForm());
+        if (albumDoc == null) {
+            albumDoc = Jsoup.connect(this.url.toExternalForm()).get();
+        }
+        if (cursorDoc == null) {
+            Elements select = albumDoc.select("#gdt > .gdtm");
+            Element first = select.first();
+            String href = first.select("a").attr("href");
+            cursorUrl = new URL(href);
+            System.out.println(cursorUrl);
+        }
+
+        while (!cursorUrl.equals(prevUrl)) {
+            cursorDoc = Jsoup.connect(this.cursorUrl.toExternalForm()).get();
+
+            Elements a = cursorDoc.select(".sni > a");
+            Elements img = a.select("img");
+
+            String imgsrc = img.attr("src");
+            addURLToDownload(new URL(imgsrc), String.format("%03d_", index));
+
+            String href = a.attr("href");
+
+            prevUrl = cursorUrl;
+            cursorUrl = new URL(href);
+
+            index++;
+        }
+
+        waitForThreads();
+    }
+
+    public boolean canRip(URL url) {
+        return url.getHost().endsWith(DOMAIN);
+    }
+}