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package javassist.proxyfactory;
import javassist.util.proxy.MethodHandler;
import javassist.util.proxy.ProxyFactory;
import javassist.util.proxy.ProxyObject;
import junit.framework.TestCase;
import java.io.*;
import java.lang.reflect.Method;
/**
* <a href="mailto:struberg@yahoo.de">Mark Struberg</a>
*/
@SuppressWarnings({"rawtypes","unchecked","unused"})
public class ProxyFactoryTest extends TestCase {
public void testMethodHandlers() throws Exception {
ProxyFactory fact = new ProxyFactory();
fact.setSuperclass(MyCls.class);
Class proxyClass = fact.createClass();
MyMethodHandler myHandler = new MyMethodHandler();
myHandler.setX(4711);
MyCls myCls = (MyCls) proxyClass.getConstructor().newInstance();
((ProxyObject) myCls).setHandler(myHandler);
MethodHandler h2 = ((ProxyObject) myCls).getHandler();
assertNotNull(h2);
assertTrue(h2 instanceof MyMethodHandler);
}
public void testSerialize() throws Exception {
ProxyFactory fact = new ProxyFactory();
fact.setSuperclass(MyCls.class);
Class proxyClass = fact.createClass();
MyMethodHandler myHandler = new MyMethodHandler();
myHandler.setX(4711);
MyCls myCls = (MyCls) proxyClass.getConstructor().newInstance();
((ProxyObject) myCls).setHandler(myHandler);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(myCls);
byte[] ba = baos.toByteArray();
ByteArrayInputStream bais = new ByteArrayInputStream(ba);
ObjectInputStream ois = new ObjectInputStream(bais);
MyCls myCls2 = (MyCls) ois.readObject();
MethodHandler h2 = ((ProxyObject) myCls2).getHandler();
assertNotNull(h2);
assertTrue(h2 instanceof MyMethodHandler);
}
public static class MyMethodHandler implements MethodHandler, Serializable {
/** default serialVersionUID */
private static final long serialVersionUID = 1L;
private int x;
public int getX() {
return x;
}
public void setX(int x) {
this.x = x;
}
public Object invoke(Object self, Method thisMethod, Method proceed, Object[] args) throws Throwable {
// actually do nothing!
return null;
}
}
public void testJira127() throws Exception {
ProxyFactory proxyFactory = new ProxyFactory();
proxyFactory.setInterfaces(new Class[]{ JIRA127Sub.class });
proxyFactory.createClass();
}
public interface JIRA127 {
JIRA127 get();
}
public interface JIRA127Sub extends JIRA127 {
JIRA127Sub get();
}
public void testDefaultMethod() throws Exception {
ProxyFactory proxyFactory = new ProxyFactory();
//proxyFactory.writeDirectory = "./dump";
proxyFactory.setInterfaces(new Class[]{ TestDefaultI.class });
Class intf = proxyFactory.createClass();
TestDefaultI obj = (TestDefaultI)intf.getConstructor().newInstance();
obj.foo();
ProxyFactory proxyFactory2 = new ProxyFactory();
//proxyFactory2.writeDirectory = "./dump";
proxyFactory2.setSuperclass(TestDefaultC.class);
Class clazz2 = proxyFactory2.createClass();
TestDefaultC obj2 = (TestDefaultC)clazz2.getConstructor().newInstance();
obj2.foo();
obj2.bar();
ProxyFactory proxyFactory3 = new ProxyFactory();
proxyFactory3.setSuperclass(TestDefaultC2.class);
Class clazz3 = proxyFactory3.createClass();
TestDefaultC2 obj3 = (TestDefaultC2)clazz3.getConstructor().newInstance();
obj3.foo();
obj3.bar();
obj3.baz();
}
public static interface TestDefaultI {
default int foo() { return 10; }
}
public static class TestDefaultC implements TestDefaultI {
public int foo() { return 1; }
public int bar() { return TestDefaultI.super.foo(); }
}
public static class TestDefaultC2 extends TestDefaultC {
public int baz() { return super.foo(); }
}
public void testJava11() throws Exception {
ProxyFactory factory = new ProxyFactory();
factory.setSuperclass(java.util.HashMap.class);
java.util.HashMap e = (java.util.HashMap)factory.create(null, null, new MethodHandler() {
@Override
public Object invoke(Object self, Method thisMethod,
Method proceed, Object[] args) throws Throwable {
return proceed.invoke(self, args);
}
});
}
public void testJava11jdk() throws Exception {
ProxyFactory factory = new ProxyFactory();
factory.setSuperclass(jdk.javadoc.doclet.StandardDoclet.class);
jdk.javadoc.doclet.StandardDoclet e = (jdk.javadoc.doclet.StandardDoclet)factory.create(null, null, new MethodHandler() {
@Override
public Object invoke(Object self, Method thisMethod,
Method proceed, Object[] args) throws Throwable {
return proceed.invoke(self, args);
}
});
}
// Issue #263
public void testGenericSignature() throws Exception {
ProxyFactory factory = new ProxyFactory();
factory.setSuperclass(GenSig.class);
factory.setGenericSignature("Ljavassist/proxyfactory/GenSig<Ljava/lang/Integer;>;");
GenSig gs = (GenSig)factory.create(null, null);
java.lang.reflect.Type[] x = ((java.lang.reflect.ParameterizedType)gs.getClass().getGenericSuperclass())
.getActualTypeArguments();
assertEquals(Integer.class, x[0]);
}
}
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