1b: add AuthoredItem as superclass for Article and Image

ueb05_news_example/src/model/Article.java

@@ -1,10 +1,6 @@
 package model;
 
-public class Article extends Item {
-	private String title;
-	private String author;
-	private String content;
-	
+public class Article extends AuthoredItem {
 	// Fill in dummy content
 	{
 		content = "Lorem ipsum dolor sit amet, consetetur sadipscing elitr, "
@@ -34,30 +30,4 @@ public class Article extends Item {
 				+ getContent()
 				+ "\n\n";
 	}
-
-	//=================================
-
-	/**
-	 * Get the title of the article.
-	 * @return title
-	 */
-	public String getTitle() {
-		return title;
-	}
-	
-	/**
-	 * Get the author of the article.
-	 * @return author
-	 */
-	public String getAuthor() {
-		return author;
-	}
-	
-	/**
-	 * Get the content of the article.
-	 * @return
-	 */
-	public String getContent() {
-		return content;
-	}
 }

ueb05_news_example/src/model/AuthoredItem.java

@@ -0,0 +1,33 @@
+package model;
+
+public abstract class AuthoredItem extends Item{
+    protected String title;
+    protected String author;
+    protected String content;
+
+    /**
+     * Get the title of the AuthoredItem.
+     *
+     * @return title
+     */
+    public String getTitle() {
+        return title;
+    }
+
+    /**
+     * Get the author of the AuthoredItem.
+     *
+     * @return author
+     */
+    public String getAuthor() {
+        return author;
+    }
+
+    /**
+     * Get the content of the AuthoredItem.
+     * @return content
+     */
+    public String getContent() {
+        return content;
+    }
+}

ueb05_news_example/src/model/Image.java

@@ -1,11 +1,14 @@
 package model;
 
-public class Image extends Item {
-    private String title;
-    private String author;
+public class Image extends AuthoredItem {
     private int width;
     private int height;
 
+    // Fill in dummy content
+    {
+        content = " /\\_/\\ \n( o.o )\n > ^ < ";
+    }
+
     /**
      * Creates an image with the given title and author and a resolution
      * defined by width and height.
@@ -38,24 +41,6 @@ public class Image extends Item {
 
     //=================================
 
-    /**
-     * Get the title of the image.
-     *
-     * @return title
-     */
-    public String getTitle() {
-        return title;
-    }
-
-    /**
-     * Get the author of the image.
-     *
-     * @return author
-     */
-    public String getAuthor() {
-        return author;
-    }
-
     /**
      * Get the width of the image.
      *
@@ -73,16 +58,4 @@ public class Image extends Item {
     public int getHeight() {
         return height;
     }
-
-    /**
-     * Renders the image as String and return the rendered image.
-     *
-     * @return String representing the rendered image
-     */
-    public String getContent() {
-        /*
-         *  Dummy implementation
-         */
-        return " /\\_/\\ \n( o.o )\n > ^ < ";
-    }
 }