53 lines
1.2 KiB
Java
53 lines
1.2 KiB
Java
//: typeinfo/SimpleProxyDemo.java
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// ©2015 MindView LLC: see Copyright.txt
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import static net.mindview.util.Print.*;
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interface Interface {
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void doSomething();
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void somethingElse(String arg);
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}
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class RealObject implements Interface {
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@Override
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public void doSomething() { print("doSomething"); }
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@Override
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public void somethingElse(String arg) {
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print("somethingElse " + arg);
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}
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}
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class SimpleProxy implements Interface {
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private Interface proxied;
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public SimpleProxy(Interface proxied) {
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this.proxied = proxied;
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}
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@Override
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public void doSomething() {
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print("SimpleProxy doSomething");
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proxied.doSomething();
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}
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@Override
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public void somethingElse(String arg) {
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print("SimpleProxy somethingElse " + arg);
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proxied.somethingElse(arg);
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}
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}
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class SimpleProxyDemo {
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public static void consumer(Interface iface) {
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iface.doSomething();
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iface.somethingElse("bonobo");
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}
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public static void main(String[] args) {
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consumer(new RealObject());
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consumer(new SimpleProxy(new RealObject()));
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}
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} /* Output:
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doSomething
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somethingElse bonobo
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SimpleProxy doSomething
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doSomething
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SimpleProxy somethingElse bonobo
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somethingElse bonobo
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*///:~
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