Added ripper for HentaiNexus

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

@@ -0,0 +1,129 @@
+package com.rarchives.ripme.ripper.rippers;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+import org.jsoup.select.Elements;
+
+import com.rarchives.ripme.ripper.AbstractHTMLRipper;
+import com.rarchives.ripme.ripper.DownloadThreadPool;
+import com.rarchives.ripme.utils.Http;
+import com.rarchives.ripme.utils.Utils;
+
+public class HentaiNexusRipper extends AbstractHTMLRipper {
+
+    private Document firstPage;
+    private DownloadThreadPool hentainexusThreadPool = new DownloadThreadPool("hentainexus");
+    @Override
+    public DownloadThreadPool getThreadPool() {
+        return hentainexusThreadPool;
+    }
+
+    public HentaiNexusRipper(URL url) throws IOException {
+        super(url);
+    }
+
+    @Override
+    public String getHost() {
+        return "hentainexus";
+    }
+
+    @Override
+    public String getDomain() {
+        return "hentainexus.com";
+    }
+
+    @Override
+    public String getGID(URL url) throws MalformedURLException {
+        Pattern p = Pattern.compile("https?://hentainexus\\.com/view/([a-zA-Z0-9_\\-%]*)/?$");
+        Matcher m = p.matcher(url.toExternalForm());
+        if (m.matches()) {
+            return m.group(1);
+        }
+        throw new MalformedURLException("Expected hentainexus.com URL format: " +
+                        "hentainexus.com/view/NUMBER - got " + url + " instead");
+    }
+
+    @Override
+    public Document getFirstPage() throws IOException {
+        // "url" is an instance field of the superclass
+        if (firstPage == null) {
+           firstPage = Http.url(url).get();
+        }
+        return firstPage;
+    }
+
+    @Override
+    public List<String> getURLsFromPage(Document doc) {
+        List<String> imageURLs = new ArrayList<>();
+        Elements thumbs = doc.select("div.is-multiline > div.column > a");
+        for (Element el : thumbs) {
+           imageURLs.add("https://" + getDomain() + el.attr("href"));
+        }
+        return imageURLs;
+    }
+
+    @Override
+    public String getAlbumTitle(URL url) throws MalformedURLException {
+        try {
+            Document gallery = Http.url(url).get();
+            return getHost() + "_" + gallery.select("h1.title").text();
+        } catch (IOException e) {
+            LOGGER.info("Falling back");
+        }
+
+       return super.getAlbumTitle(url);
+    }
+
+    @Override
+    public void downloadURL(URL url, int index) {
+        HentaiNexusImageThread t = new HentaiNexusImageThread(url, index);
+        hentainexusThreadPool.addThread(t);
+    }
+
+    /**
+     * Helper class to find and download images found on "image" pages
+     */
+    private class HentaiNexusImageThread extends Thread {
+        private URL url;
+        private int index;
+
+        HentaiNexusImageThread(URL url, int index) {
+            super();
+            this.url = url;
+            this.index = index;
+        }
+
+        @Override
+        public void run() {
+            fetchImage();
+        }
+
+        private void fetchImage() {
+            try {
+                Document doc = Http.url(url).retries(3).get();
+                Elements images = doc.select("figure.image > img");
+                if (images.isEmpty()) {
+                    LOGGER.warn("Image not found at " + this.url);
+                    return;
+                }
+                Element image = images.first();
+                String imgsrc = image.attr("src");
+                String prefix = "";
+                if (Utils.getConfigBoolean("download.save_order", true)) {
+                    prefix = String.format("%03d_", index);
+                }
+                addURLToDownload(new URL(imgsrc), prefix);
+            } catch (IOException e) {
+                LOGGER.error("[!] Exception while loading/parsing " + this.url, e);
+            }
+        }
+    }
+}

src/test/java/com/rarchives/ripme/tst/ripper/rippers/HentainexusRipperTest.java

@@ -0,0 +1,15 @@
+package com.rarchives.ripme.tst.ripper.rippers;
+
+import java.io.IOException;
+import java.net.URL;
+
+import com.rarchives.ripme.ripper.rippers.HentaiNexusRipper;
+import org.junit.jupiter.api.Test;
+
+public class HentainexusRipperTest extends RippersTest {
+    @Test
+    public void testHentaiNexusAlbum() throws IOException {
+        HentaiNexusRipper ripper = new HentaiNexusRipper(new URL("https://hentainexus.com/view/44"));
+        testRipper(ripper);
+    }
+}