// natObjectInputStream.cc - Native part of ObjectInputStream class.

/* Copyright (C) 1998, 1999  Free Software Foundation

   This ObjectInputStream is part of libgcj.

This software is copyrighted work licensed under the terms of the
Libgcj License.  Please consult the ObjectInputStream "LIBGCJ_LICENSE" for
details.  */

#include <config.h>

#include <gcj/cni.h>
#include <jvm.h>

#include <java/io/ObjectInputStream$GetField.h>
#include <java/io/ObjectInputStream.h>
#include <java/io/IOException.h>
#include <java/lang/Class.h>
#include <java/lang/reflect/Modifier.h>
#include <java/lang/reflect/Method.h>

jobject
java::io::ObjectInputStream::allocateObject (jclass klass)
{
  jobject obj = NULL;
  using namespace java::lang::reflect;

  try
    {
      JvAssert (klass && ! klass->isArray ());
      if (klass->isInterface() || Modifier::isAbstract(klass->getModifiers()))
	obj = NULL;	
      else
	{
	  // FIXME: will this work for String?
	  obj = JvAllocObject (klass);
	}
    }
  catch (jthrowable t)
    {
      return NULL;
    }

  return obj;
}


#define ObjectClass _CL_Q34java4lang6Object
extern java::lang::Class ObjectClass;
#define ClassClass _CL_Q34java4lang5Class
extern java::lang::Class ClassClass;

void 
java::io::ObjectInputStream::callConstructor (jclass klass, jobject obj)
{ 
  jstring init_name = JvNewStringLatin1 ("<init>");
  JArray<jclass> *arg_types
    = (JArray<jclass> *) JvNewObjectArray (0, &ClassClass, NULL);
  JArray<jobject> *args
    = (JArray<jobject> *) JvNewObjectArray (0, &ObjectClass, NULL);
  java::lang::reflect::Method *m = klass->getPrivateMethod (init_name, arg_types);
  m->invoke (obj, args);
}
  
java::lang::reflect::Field *
java::io::ObjectInputStream::getField (jclass klass, jstring name)
{
  return klass->getPrivateField (name);
}

java::lang::reflect::Method *
java::io::ObjectInputStream::getMethod (jclass klass, jstring name, 
					JArray<jclass> *arg_types)
{
  return klass->getPrivateMethod (name, arg_types);
}