/*
 * Copyright (c) 1995-1997 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software
 * and its documentation for NON-COMMERCIAL purposes and without
 * fee is hereby granted provided that this copyright notice
 * appears in all copies. Please refer to the file "copyright.html"
 * for further important copyright and licensing information.
 *
 * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
 * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
 * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
 * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
 * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
 */
#include <jni.h>
#include "CatchThrow.h"

JNIEXPORT void JNICALL 
Java_CatchThrow_catchThrow(JNIEnv *env, jobject obj)
{
  jclass cls = (*env)->GetObjectClass(env, obj);
  jmethodID mid = (*env)->GetMethodID(env, cls, "callback", "()V");
  jthrowable exc;
  if (mid == 0)
    return;
  (*env)->CallVoidMethod(env, obj, mid);
  exc = (*env)->ExceptionOccurred(env);
  if (exc) {
    /* We don't do much with the exception, except that we print a
       debug message using ExceptionDescribe, clear it, and throw
       a new exception. */
    jclass newExcCls;

    (*env)->ExceptionDescribe(env);
    (*env)->ExceptionClear(env);

    newExcCls = (*env)->FindClass(env, "java/lang/IllegalArgumentException");
    if (newExcCls == 0) /* Unable to find the new exception class, give up. */
      return;
    (*env)->ThrowNew(env, newExcCls, "thrown from C code");
  }
}