package org.codehaus.jackson.map.interop;
import main.BaseTest;
import java.io.*;
import java.lang.reflect.Method;
import java.util.*;
import net.sf.cglib.proxy.Enhancer;
import net.sf.cglib.proxy.MethodInterceptor;
import net.sf.cglib.proxy.MethodProxy;
import org.codehaus.jackson.map.*;
/**
* Unit test for checking that we can serialize CGLib generated proxies.
*/
public class TestCglibUsage
extends BaseTest
{
/*
/**********************************************************
/* Helper classes
/**********************************************************
*/
interface BeanInterface {
public int getX();
}
/*
/**********************************************************
/* Tests
/**********************************************************
*/
public void testSimpleProxied() throws Exception
{
Enhancer enh = new Enhancer();
enh.setInterfaces(new Class[] { BeanInterface.class });
enh.setCallback(new MethodInterceptor() {
@Override
public Object intercept(Object obj, Method method,
Object[] args, MethodProxy proxy)
throws Throwable
{
if ("getX".equals(method.getName ())) {
return Integer.valueOf(13);
}
return proxy.invokeSuper(obj, args);
}
});
BeanInterface bean = (BeanInterface) enh.create();
ObjectMapper mapper = new ObjectMapper();
Map<String,Object> result = writeAndMap(mapper, bean);
assertEquals(1, result.size());
assertEquals(Integer.valueOf(13), result.get("x"));
}
/*
//////////////////////////////////////////////
// Helper methods
//////////////////////////////////////////////
*/
@SuppressWarnings("unchecked")
private Map<String,Object> writeAndMap(ObjectMapper m, Object value)
throws IOException
{
StringWriter sw = new StringWriter();
m.writeValue(sw, value);
return (Map<String,Object>) m.readValue(sw.toString(), Object.class);
}
}