Correcting post's content (UTF-8 related)

ws/Docbook/Id2topic/src/main/java/de/hdm_stuttgart/mi/bb/Id2Topic.java

@@ -155,7 +155,7 @@ public class Id2Topic {
         } else {
             log.info ("Found topic (hdmId = " +  hdmId + ", tid = " + tid + ")");
             if (updateTopicTitles) {
-                db.updateTopicTitle(tid, title);
+                db.updateTopicTitle(tid, title, content);
             }
             return tid;
             // Possibly aligning title and content with lecture notes?

ws/Docbook/Id2topic/src/main/java/de/hdm_stuttgart/mi/bb/ModifyNodebbTopic.java

@@ -6,17 +6,18 @@ import com.mongodb.client.MongoCollection;
 import com.mongodb.client.MongoCursor;
 import com.mongodb.client.MongoDatabase;
 
-import static com.mongodb.client.model.Filters.exists;
-import static com.mongodb.client.model.Filters.eq;
+import static com.mongodb.client.model.Filters.*;
 import static com.mongodb.client.model.Updates.combine;
 import static com.mongodb.client.model.Updates.set;
 
 import com.mongodb.client.model.Projections;
+import com.mongodb.client.result.UpdateResult;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.bson.Document;
 import org.bson.conversions.Bson;
 
+import javax.management.Query;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -92,15 +93,35 @@ class ModifyNodebbTopic {
      * @param tidKey A topic's _key value.
      * @param title Update current topic's title.
      */
-    void updateTopicTitle(final int tidKey, final String title) {
+    void updateTopicTitle(final int tidKey, final String title, final String content) {
 
-        final String searchKey = "topic:" + tidKey;
-        final Document topic = objectCollection.find(eq("_key", searchKey)).first();
-        if (null != topic) {
-            objectCollection.updateOne(
+        {
+            final String searchKey = "topic:" + tidKey;
+
+            final UpdateResult updateResult = objectCollection.updateOne(
                     eq("_key", searchKey),
                     combine(set("title", title)));
-            log.info("Updated title to new value '" + title + "'");
+
+            final long matchedCount = updateResult.getMatchedCount();
+            if (0 < matchedCount) {
+                log.info("Matched topic " + matchedCount +
+                        ", updated " + updateResult.getModifiedCount() + " title(s) to new value '" + title + "'");
+            } else {
+                log.info("No topic update for '" + title + "'");
+            }
+        }
+        {
+            final UpdateResult updateResult = objectCollection.updateOne(
+                    eq("pid", tidKey),
+                    combine(set("content", content)));
+
+            final long matchedCount = updateResult.getMatchedCount();
+            if (0 < matchedCount) {
+                log.info("Matched post " + matchedCount +
+                        ", updated " + updateResult.getModifiedCount() + " content(s) to new value '" + content + "'");
+            } else {
+                log.info("No post update for '" + content + "'");
+            }
         }
     }
 }
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