implemented ToTextVisitor

src/uebung08/doc/Book.java

@@ -25,7 +25,20 @@ public class Book {
     }
 
     public String toText() {
-        return "";
+        List<String> gesamt = new ArrayList<>();
+
+        for (int i = 0; i < content.size(); i++) {
+            List<String> res = new ArrayList<>();
+            res.add(content.get(i).accept(new ToTextVisitor()));
+
+            for (String string : res) {
+                string = i +"." + string;
+                gesamt.add(string);
+            }
+
+        }
+
+        return gesamt.toString();
     }
 
     public String tableOfContents() {

src/uebung08/doc/BookDemo.java

@@ -106,7 +106,8 @@ public class BookDemo {
 
         // Aufgabe 2
         System.out.println("Buch enthält " + book.countWordsByVisitor() + " Wörter");
-        System.out.println("Inhalt: " + book.tableOfContents());
+        System.out.println("TOC:\n" + book.tableOfContents());
+        System.out.println("Inhalt:");
         System.out.println(book.toText());
     }
 

src/uebung08/doc/Image.java

@@ -14,6 +14,10 @@ public class Image implements TextComponent {
         return 0;
     }
 
+    public String getCaption() {
+        return caption;
+    }
+
     // immer diese accept methode verwenden
     @Override
     public <T> T accept(Visitor<T> visitor) { return visitor.visit(this); }

src/uebung08/doc/TableOfContentsVisitor.java

@@ -16,7 +16,7 @@ public class TableOfContentsVisitor implements Visitor<List<String>>{
     public List<String> visit(Section section) {
         List<String> gesamt = new ArrayList<>();
 
-        gesamt.add(section.getHeader());
+        gesamt.add(" "+ section.getHeader());
 
         for (int i = 0; i < section.getContent().size(); i++) {
             List<String> res = new ArrayList<>();

src/uebung08/doc/ToTextVisitor.java

@@ -0,0 +1,35 @@
+package uebung08.doc;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ToTextVisitor implements Visitor<String>{
+    
+    public String visit(Image image) {
+        return image.getCaption();
+    }
+
+    public String visit(Paragraph paragraph) {
+        return "";   
+    }
+
+    public 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.add(section.getContent().get(i).accept(this));
+
+            for (String string : res) {
+                string = i +"." + string;
+                gesamt.add(string);
+            }
+
+        }
+
+        return gesamt.toString();
+    }
+}