package pl.tomaszdziurko.jvm_bloggers.blog_posts;

import com.google.common.base.Preconditions;
import lombok.NonNull;
import org.apache.commons.lang3.StringUtils;
import pl.tomaszdziurko.jvm_bloggers.blogs.domain.Blog;

public class RssLink {

    private final Blog blog;

    public RssLink(@NonNull Blog blog) {
        Preconditions.checkArgument(StringUtils.isNotBlank(blog.getRss()),
                "Rss link can not be NULL nor empty.");
        this.blog = blog;
    }

    public String getUrl() {
        return blog.getRss();
    }

    public Blog getOwner() {
        return blog;
    }
}

@@ -116,53 +116,8 @@
 ll;%0A
-import org.apache.commons.lang3.StringUtils;%0A
 impo
@@ -169,16 +169,80 @@
 .Blog;%0A%0A
+import static org.apache.commons.lang3.StringUtils.isNotBlank;%0A%0A
 public c
@@ -364,28 +364,16 @@
 rgument(
-StringUtils.
 isNotBla

Improve readability - StringUtils static import.