File: Overload_AClass_jniStub.c

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/*
 * File:          Overload_AClass_jniStub.c
 * Symbol:        Overload.AClass-v1.0
 * Symbol Type:   class
 * Babel Version: 0.10.2
 * Description:   Client-side JNI glue code for Overload.AClass
 * 
 * WARNING: Automatically generated; changes will be lost
 * 
 * babel-version = 0.10.2
 */

#include "sidl_Java.h"
#include "sidl_Loader.h"
#include "sidl_String.h"
#include "Overload_AClass_IOR.h"
#include "babel_config.h"

/*
 * Convert between jlong and void* pointers.
 */

#if (SIZEOF_VOID_P == 8)
#define JLONG_TO_POINTER(x) ((void*)(x))
#define POINTER_TO_JLONG(x) ((jlong)(x))
#else
#define JLONG_TO_POINTER(x) ((void*)(int32_t)(x))
#define POINTER_TO_JLONG(x) ((jlong)(int32_t)(x))
#endif

#ifndef NULL
#define NULL 0
#endif

/*
 * Function to extract IOR reference from the Java object.
 */

static struct Overload_AClass__object* _get_ior(
  JNIEnv* env,
  jobject obj)
{
  void* ptr = NULL;
  static jmethodID mid = (jmethodID) NULL;

  if (mid == (jmethodID) NULL) {
    jclass cls = (*env)->GetObjectClass(env, obj);
    mid = (*env)->GetMethodID(env, cls, "_get_ior", "()J");
    (*env)->DeleteLocalRef(env, cls);
  }

  ptr = JLONG_TO_POINTER((*env)->CallLongMethod(env, obj, mid));
  return (struct Overload_AClass__object*) ptr;
}

/*
 * External reference to IOR methods.
 */

static const struct Overload_AClass__external* s_external = NULL;

/*
 * Create object instance and return reference.
 */

static jlong jni__create_ior(
  JNIEnv* env,
  jclass  cls)
{
  (void) env;
  (void) cls;
  return POINTER_TO_JLONG((*s_external->createObject)());
}

/*
 * Method:  getValue[]
 */

static jint
jni_getValue(
  JNIEnv* env,
  jobject obj)
{
  /*
   * Declare return and temporary variables.
   */

  struct Overload_AClass__object* _ior = NULL;
  int32_t _ior_res = 0;
  jint _res = 0;

  /*
   * Preprocess Java types and convert into IOR.
   */

  _ior = _get_ior(env, obj);

  /*
   * Call the IOR method through the EPV.
   */

  _ior_res = (*(_ior->d_epv->f_getValue))(
    _ior);

  /*
   * Postprocess OUT, INOUT, returns, and exceptions.
   */

  _res = (jint) _ior_res;

  return _res;
}

/*
 * Register JNI methods with the Java JVM.
 */

void Overload_AClass__register(JNIEnv* env)
{
  JNINativeMethod methods[2];
  jclass cls;

#ifdef SIDL_STATIC_LIBRARY
  s_external = Overload_AClass__externals();
#else
  sidl_DLL dll = sidl_DLL__create();
  const struct Overload_AClass__external*(*dll_f)(void);
  /* check global namespace for symbol first */
  if (dll && sidl_DLL_loadLibrary(dll, "main:", TRUE, FALSE)) {
    dll_f =
      (const struct Overload_AClass__external*(*)(void)) sidl_DLL_lookupSymbol(
        dll, "Overload_AClass__externals");
    s_external = (dll_f ? (*dll_f)() : NULL);
  }
  if (dll) sidl_DLL_deleteRef(dll);
  if (!s_external) {
    dll = sidl_Loader_findLibrary("Overload.AClass",
      "ior/impl", sidl_Scope_SCLSCOPE,
      sidl_Resolve_SCLRESOLVE);
    if (dll) {
      dll_f =
        (const struct Overload_AClass__external*(*)(void)) 
          sidl_DLL_lookupSymbol(
          dll, "Overload_AClass__externals");
      s_external = (dll_f ? (*dll_f)() : NULL);
      sidl_DLL_deleteRef(dll);
    }
  }
  if (!s_external) {
    jclass e = (*env)->FindClass(env, "java/lang/UnsatisfiedLinkError");
    if (e != NULL) {
      (*env)->ThrowNew(env, e, "Could not find implementation for sidl class Overload.AClass");
      (*env)->DeleteLocalRef(env, e);
    }
  }
#endif

  methods[0].name      = "_create_ior";
  methods[0].signature = "()J";
  methods[0].fnPtr     = (void *)jni__create_ior;
  methods[1].name      = "getValue";
  methods[1].signature = "()I";
  methods[1].fnPtr     = (void *)jni_getValue;


  cls = (*env)->FindClass(env, "Overload/AClass");
  if (cls) {
    (*env)->RegisterNatives(env, cls, methods, 2);
    (*env)->DeleteLocalRef(env, cls);
  }
}