feat: Add Jacoco and Sonar support+ eliminate code smell

Resolves #14 (closed)

src/main/java/org/eclipsefoundation/downloads/dto/Downloads.java

@@ -12,6 +12,7 @@
 package org.eclipsefoundation.downloads.dto;
 
 import java.util.Date;
+import java.util.Objects;
 
 import javax.inject.Inject;
 import javax.inject.Singleton;
@@ -130,6 +131,32 @@ public class Downloads extends BareNode {
         this.ccode = ccode;
     }
 
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = super.hashCode();
+        result = prime * result
+                + Objects.hash(fileId, downloadDate, remoteHost, remoteAddr, mirrorId, ccode);
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (!super.equals(obj)) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        Downloads other = (Downloads) obj;
+        return Objects.equals(fileId, other.fileId) && Objects.equals(downloadDate, other.downloadDate)
+                && Objects.equals(remoteHost, other.remoteHost) && Objects.equals(remoteAddr, other.remoteAddr)
+                && Objects.equals(mirrorId, other.mirrorId) && Objects.equals(ccode, other.ccode);
+    }
+
     @Singleton
     public static class DownloadsFilter implements DtoFilter<Downloads> {
         @Inject