1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/code/composite-leaf.java	Mon Jun 18 12:10:45 2007 +0200
     1.3 @@ -0,0 +1,25 @@
     1.4 +    class Leaf implements IComponent {
     1.5 +            private String id;
     1.6 +
     1.7 +            public Leaf(String id) {
     1.8 +                    this.id = id;
     1.9 +            }
    1.10 +
    1.11 +            public String toString() {
    1.12 +                    return this.id;
    1.13 +            }
    1.14 +
    1.15 +            public Collection getChildren() {
    1.16 +                    return null;
    1.17 +            }
    1.18 +
    1.19 +            // false because failed to add
    1.20 +            public boolean addComponent(IComponent c) {
    1.21 +                    return false;
    1.22 +            }
    1.23 +
    1.24 +            // false because failed to find it for removal
    1.25 +            public boolean removeComponent(IComponent c) {
    1.26 +                    return false;
    1.27 +            }
    1.28 +    }