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package test.javassist.proxy;
import java.lang.reflect.Method;
import javassist.util.proxy.ProxyFactory;
import javassist.util.proxy.MethodHandler;
import javassist.util.proxy.MethodFilter;
import javassist.util.proxy.ProxyObject;
import javassist.util.proxy.Proxy;
import junit.framework.TestCase;
@SuppressWarnings({"rawtypes","unchecked"})
public class JBPAPP9257Test extends TestCase {
public void testGetHandler() throws Exception {
ProxyFactory f = new ProxyFactory();
f.setSuperclass(Foo.class);
f.setFilter(new MethodFilter() {
public boolean isHandled(Method m) {
// ignore finalize()
return !m.getName().equals("finalize");
}
});
Class c = f.createClass();
MethodHandler mi = new MethodHandler() {
public Object invoke(Object self, Method m, Method proceed,
Object[] args) throws Throwable {
System.out.println("Name: " + m.getName());
return proceed.invoke(self, args) + "!"; // execute the original
// method.
}
};
Foo foo = (Foo)c.getConstructor().newInstance();
try {
((ProxyObject)foo).setHandler(mi);
fail("foo is a ProxyObject!");
} catch (ClassCastException e) {}
((Proxy)foo).setHandler(mi);
assertEquals("I'm doing something!", foo.doSomething());
assertEquals("This is a secret handler!", foo.getHandler());
}
public void testGetHandler2() throws Exception {
ProxyFactory f = new ProxyFactory();
f.setSuperclass(Foo2.class);
f.setFilter(new MethodFilter() {
public boolean isHandled(Method m) {
// ignore finalize()
return !m.getName().equals("finalize");
}
});
Class c = f.createClass();
MethodHandler mi = new MethodHandler() {
public Object invoke(Object self, Method m, Method proceed,
Object[] args) throws Throwable {
System.out.println("Name: " + m.getName());
return proceed.invoke(self, args) + "!"; // execute the original
// method.
}
};
Foo2 foo = (Foo2)c.getConstructor().newInstance();
try {
((ProxyObject)foo).setHandler(mi);
fail("foo is a ProxyObject!");
} catch (ClassCastException e) {}
((Proxy)foo).setHandler(mi);
assertEquals("do something!", foo.doSomething());
assertEquals("return a string!", foo.getHandler());
}
}
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