finished TableofContents

src/uebung08/doc/Book.java

@@ -29,13 +29,20 @@ public class Book {
     }
 
     public String tableOfContents() {
-        List<String> res = new ArrayList<>();
+        List<String> gesamt = new ArrayList<>();
+
+        for (int i = 0; i < content.size(); i++) {
+            List<String> res = new ArrayList<>();
+            res.addAll(content.get(i).accept(new TableOfContentsVisitor()));
+
+            for (String string : res) {
+                string = i +"." + string;
+                gesamt.add(string);
+            }
 
-        for (TextComponent textComponent : content) {
-            res.addAll(textComponent.accept(new TableOfContentsVisitor()));
         }
 
-        return res.toString();
+        return gesamt.toString();
     }
 
     public int countWordsByVisitor() {

src/uebung08/doc/Section.java

@@ -24,6 +24,10 @@ public class Section implements TextComponent {
         return content;
     }
 
+    public String getHeader() {
+        return header;
+    }
+
     @Override
     public <T> T accept(Visitor<T> visitor) { return visitor.visit(this); }
 }

src/uebung08/doc/TableOfContentsVisitor.java

@@ -1,10 +1,34 @@
 package uebung08.doc;
 
+import java.util.ArrayList;
 import java.util.List;
 
 public class TableOfContentsVisitor implements Visitor<List<String>>{
 
     public List<String> visit(Image image) {
-        
+     return new ArrayList<>();   
+    }
+
+    public List<String> visit(Paragraph paragraph) {
+        return new ArrayList<>();   
+    }
+
+    public List<String> visit(Section section) {
+        List<String> gesamt = new ArrayList<>();
+
+        gesamt.add(section.getHeader());
+
+        for (int i = 0; i < section.getContent().size(); i++) {
+            List<String> res = new ArrayList<>();
+            res.addAll(section.getContent().get(i).accept(this));
+
+            for (String string : res) {
+                string = i +"." + string;
+                gesamt.add(string);
+            }
+
+        }
+
+        return gesamt;
     }
 }