It's cut-and-pasted out of my code so there's no guarantee that you won't need to tweak it a little. One might say it's pretty much guaranteed that you will. :)
using net.sf.jni4net;
using System.Dynamic;
public class JavaObjectProxyFactory
{
public class JavaObjectProxy : DynamicObject
{
private readonly java.lang.Object o;
private readonly java.lang.Class c;
private JavaObjectProxy(
java.lang.Object o,
java.lang.Class c)
{
this.o = o;
this.c = c;
}
public static dynamic GetInstance(
java.lang.Object o,
java.lang.Class c)
{
return new JavaObjectProxy(o, c);
}
public override bool TryGetMember(
GetMemberBinder binder,
out object result)
{
var field = c.getField(binder.Name);
if (field == null)
{
result = null;
return false;
}
result = ConvertToDotNetObject(field.get(o));
return true;
}
public override bool TrySetMember(
SetMemberBinder binder,
object value)
{
var field = c.getField(binder.Name);
if (field == null)
{
return false;
}
field.set(o, ConvertToJavaObject(value));
return true;
}
public override bool TryInvokeMember(
InvokeMemberBinder binder,
object[] args,
out object result)
{
var signature = new java.lang.Class[
binder.CallInfo.ArgumentCount];
var arguments = new java.lang.Object[
binder.CallInfo.ArgumentCount];
for (var i = 0; i < args.Length; ++i)
{
java.lang.Object arg =
ConvertToJavaObject(args[i]);
if (arg != null)
{
signature[i] = arg.getClass();
arguments[i] = arg;
}
}
var method = c.getMethod(binder.Name, signature);
if (method == null)
{
result = null;
return false;
}
result = ConvertToDotNetObject(
method.invoke(o, arguments));
return true;
}
private object ConvertToDotNetObject(
java.lang.Object o)
{
if (o == null)
{
return null;
}
if (o is java.lang.String)
{
var s = (java.lang.String)o;
return new string(s.toCharArray());
}
return GetDynamicProxy(o);
}
private java.lang.Object ConvertToJavaObject(
object p)
{
if (p == null)
{
return null;
}
if (p is string)
{
return new java.lang.String((string)p);
}
return (java.lang.Object)p;
}
}
public static dynamic GetDynamicProxy(
java.lang.Object o)
{
if (o == null)
{
return null;
}
return JavaObjectProxy.GetInstance(o, o.getClass());
}
}
Enjoy.
song "