OnJava8-Examples/typeinfo/SimpleProxyDemo.java
2015-11-14 16:18:05 -08:00

53 lines
1.2 KiB
Java

// typeinfo/SimpleProxyDemo.java
// ©2016 MindView LLC: see Copyright.txt
interface Interface {
void doSomething();
void somethingElse(String arg);
}
class RealObject implements Interface {
@Override
public void doSomething() { System.out.println("doSomething"); }
@Override
public void somethingElse(String arg) {
System.out.println("somethingElse " + arg);
}
}
class SimpleProxy implements Interface {
private Interface proxied;
public SimpleProxy(Interface proxied) {
this.proxied = proxied;
}
@Override
public void doSomething() {
System.out.println("SimpleProxy doSomething");
proxied.doSomething();
}
@Override
public void somethingElse(String arg) {
System.out.println("SimpleProxy somethingElse " + arg);
proxied.somethingElse(arg);
}
}
class SimpleProxyDemo {
public static void consumer(Interface iface) {
iface.doSomething();
iface.somethingElse("bonobo");
}
public static void main(String[] args) {
consumer(new RealObject());
consumer(new SimpleProxy(new RealObject()));
}
}
/* Output:
doSomething
somethingElse bonobo
SimpleProxy doSomething
doSomething
SimpleProxy somethingElse bonobo
somethingElse bonobo
*/