Can now blacklist nhentai tags

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

@@ -2,6 +2,7 @@ package com.rarchives.ripme.ripper.rippers;
 
 import com.rarchives.ripme.ripper.AbstractHTMLRipper;
 import com.rarchives.ripme.ripper.DownloadThreadPool;
+import com.rarchives.ripme.ui.RipStatusMessage;
 import com.rarchives.ripme.utils.Http;
 import com.rarchives.ripme.utils.Utils;
 import org.jsoup.nodes.Document;
@@ -64,6 +65,39 @@ public class NhentaiRipper extends AbstractHTMLRipper {
         return "nhentai" + title;
     }
 
+    private List<String> getTags(Document doc) {
+        List<String> tags = new ArrayList<>();
+        for (Element tag : doc.select("a.tag")) {
+            tags.add(tag.attr("href").replaceAll("/tag/", "").replaceAll("/", ""));
+        }
+        return tags;
+    }
+
+    /**
+     * Checks for blacklisted tags on page. If it finds one it returns it, if not it return null
+     *
+     * @param doc
+     * @return String
+     */
+    private String checkTags(Document doc) {
+        String[] blackListedTags = Utils.getConfigStringArray("nhentai.blacklist.tags");
+        // If the user hasn't blacklisted any tags we return false;
+        if (blackListedTags == null) {
+            return null;
+        }
+        logger.info("Blacklisted tags " + blackListedTags[0]);
+        List<String> tagsOnPage = getTags(doc);
+        for (String tag : blackListedTags) {
+            for (String pageTag : tagsOnPage) {
+                logger.info("tag: " + tag + " pageTag: " + pageTag);
+                if (tag.trim().toLowerCase().equals(pageTag.toLowerCase())) {
+                    return tag;
+                }
+            }
+        }
+        return null;
+    }
+
     @Override
     public String getGID(URL url) throws MalformedURLException {
         // Ex: https://nhentai.net/g/159174/
@@ -82,6 +116,13 @@ public class NhentaiRipper extends AbstractHTMLRipper {
         if (firstPage == null) {
             firstPage = Http.url(url).get();
         }
+
+        String blacklistedTag = checkTags(firstPage);
+        if (blacklistedTag != null) {
+            sendUpdate(RipStatusMessage.STATUS.DOWNLOAD_WARN, "Skipping " + url.toExternalForm() + " as it " +
+                    "contains the blacklisted tag \"" + blacklistedTag + "\"");
+            return null;
+        }
         return firstPage;
     }
 

src/main/java/com/rarchives/ripme/utils/Utils.java

@@ -92,6 +92,16 @@ public class Utils {
     public static String getConfigString(String key, String defaultValue) {
         return config.getString(key, defaultValue);
     }
+
+    public static String[] getConfigStringArray(String key) {
+        String[] s = config.getStringArray(key);
+        if (s.length == 0) {
+            return null;
+        } else {
+            return s;
+        }
+    }
+
     public static int getConfigInteger(String key, int defaultValue) {
         return config.getInt(key, defaultValue);
     }