docs/DesignPatterns

annotate code/composite-composite.java @ 21:80c995d97cfa

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updated Observer
author meillo@marmaro.de
date Tue, 26 Jun 2007 14:36:01 +0200
parents 20c0116dcb97
children
rev   line source
meillo@7 1 class Composite implements IComponent {
meillo@7 2 private String id;
meillo@7 3 private List<IComponent> list = new ArrayList<IComponent> ();
meillo@7 4
meillo@7 5 public Composite(String id) {
meillo@7 6 this.id = id;
meillo@7 7 }
meillo@7 8
meillo@7 9 public String toString() {
meillo@7 10 StringBuilder buf = new StringBuilder();
meillo@7 11 buf.append(String.format("(%s:", id));
meillo@7 12
meillo@7 13 for (IComponent child : list) {
meillo@7 14 buf.append(" " + child.toString());
meillo@7 15 }
meillo@7 16 buf.append(")");
meillo@7 17
meillo@7 18 return buf.toString();
meillo@7 19 }
meillo@7 20
meillo@7 21 //public List<IComponent> getChildren()
meillo@7 22
meillo@7 23 public Collection getChildren(){
meillo@7 24 return list;
meillo@7 25 }
meillo@7 26
meillo@7 27 public boolean addComponent(IComponent c){
meillo@7 28 return list.add(c);
meillo@7 29 }
meillo@7 30
meillo@7 31 public boolean removeComponent(IComponent c){
meillo@7 32 return list.remove(c);
meillo@7 33 }
meillo@7 34 }