1b: add AuthoredItem as superclass for Article and Image

ueb05_news_example/src/model/Article.java

@@ -23,11 +23,4 @@ public class Article extends AuthoredItem {
 		return "Article: " + getTitle() + ", Author: "
 				+ getAuthor();
 	}
-
-	public String getDetails(){
-		return "###" + getTitle() + "###"
-				+ "\n"
-				+ getContent()
-				+ "\n\n";
-	}
 }

ueb05_news_example/src/model/AuthoredItem.java

@@ -5,6 +5,15 @@ public abstract class AuthoredItem extends Item{
     protected String author;
     protected String content;
 
+    public String getDetails(){
+        return "###" + getTitle() + "###"
+                + "\n"
+                + getContent()
+                + "\n\n";
+    }
+
+    //=================================
+
     /**
      * Get the title of the AuthoredItem.
      *

ueb05_news_example/src/model/Image.java

@@ -32,13 +32,6 @@ public class Image extends AuthoredItem {
                 + ", Author: " + getAuthor();
     }
 
-    public String getDetails(){
-        return "###" + getTitle() + "###"
-                + "\n"
-                + getContent()
-                + "\n\n";
-    }
-
     //=================================
 
     /**