diff -r 251d0ed461fb -r 58ec6da75f6f task4/solution07/src/org/apidesign/apifest08/currency/DelegatingConvertor.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/task4/solution07/src/org/apidesign/apifest08/currency/DelegatingConvertor.java	Sat Oct 11 23:38:46 2008 +0200
@@ -0,0 +1,28 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package org.apidesign.apifest08.currency;
+
+/**
+ *
+ * @author jdvorak
+ */
+public class DelegatingConvertor implements Convertor {
+    
+    private final Convertor underlyingConvertor;
+
+    public DelegatingConvertor( final Convertor underlyingConvertor ) {
+        this.underlyingConvertor = underlyingConvertor;
+    }
+
+    protected Convertor getUnderlyingConvertor() {
+        return underlyingConvertor;
+    }
+    
+    public ConversionResult convert( final ConversionRequest req ) {
+        return underlyingConvertor.convert( req );
+    }
+    
+}