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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* For details of the HDF libraries, see the HDF Documentation at:
* http://hdfgroup.org/HDF5/doc/
*
*/
#include <jni.h>
#include "H5version.h"
#include <string.h>
#include "H5private.h"
#ifndef _Included_h5jni
#define _Included_h5jni
#ifdef __cplusplus
#define ENVPTR (env)
#define ENVONLY
#define CBENVPTR (cbenv)
#define CBENVONLY
#define JVMPTR (jvm)
#define JVMPAR
#else /* __cplusplus */
#define ENVPTR (*env)
#define ENVONLY env
#define CBENVPTR (*cbenv)
#define CBENVONLY cbenv
#define JVMPTR (*jvm)
#define JVMPAR jvm
#endif /* __cplusplus */
/*
* Used to silence compiler when a particular
* function parameter is not used.
*/
#define UNUSED(o) (void) o
/* Macros for class access */
/* Calling code must define ret_obj as jobject */
#define CALL_CONSTRUCTOR(env, classname, classsig, args, ret_obj) \
{ \
jmethodID constructor; \
jclass cls; \
\
if (NULL == (cls = ENVPTR->FindClass(env, (classname)))) { \
CHECK_JNI_EXCEPTION(env, JNI_TRUE); \
H5_JNI_FATAL_ERROR(env, "JNI error: GetObjectClass"); \
} \
if (NULL == (constructor = ENVPTR->GetMethodID(ENVONLY, cls, "<init>", (classsig)))) { \
CHECK_JNI_EXCEPTION(env, JNI_TRUE); \
H5_JNI_FATAL_ERROR(env, "JNI error: GetMethodID failed"); \
} \
if (NULL == (ret_obj = ENVPTR->NewObjectA(ENVONLY, cls, constructor, (args)))) { \
CHECK_JNI_EXCEPTION(env, JNI_FALSE); \
} \
}
/*
* Macros for pinning/unpinning objects.
*/
#define PIN_BYTE_ARRAY(env, arrayToPin, outBuf, isCopy, failErrMsg) \
{ \
if (NULL == (outBuf = ENVPTR->GetByteArrayElements(env, arrayToPin, isCopy))) { \
CHECK_JNI_EXCEPTION(env, JNI_TRUE); \
H5_JNI_FATAL_ERROR(env, failErrMsg); \
} \
}
#define PIN_BYTE_ARRAY_CRITICAL(env, arrayToPin, outBuf, isCopy, failErrMsg) \
{ \
if (NULL == (outBuf = (jbyte *) ENVPTR->GetPrimitiveArrayCritical(env, arrayToPin, isCopy))) { \
CHECK_JNI_EXCEPTION(env, JNI_TRUE); \
H5_JNI_FATAL_ERROR(env, failErrMsg); \
} \
}
#define UNPIN_BYTE_ARRAY(env, pinnedArray, bufToRelease, freeMode) \
{ \
ENVPTR->ReleaseByteArrayElements(env, pinnedArray, (jbyte *) bufToRelease, freeMode); \
}
#define PIN_SHORT_ARRAY(env, arrayToPin, outBuf, isCopy, failErrMsg) \
{ \
if (NULL == (outBuf = ENVPTR->GetShortArrayElements(env, arrayToPin, isCopy))) { \
CHECK_JNI_EXCEPTION(env, JNI_TRUE); \
H5_JNI_FATAL_ERROR(env, failErrMsg); \
} \
}
#define PIN_SHORT_ARRAY_CRITICAL(env, arrayToPin, outBuf, isCopy, failErrMsg) \
{ \
if (NULL == (outBuf = (jshort *) ENVPTR->GetPrimitiveArrayCritical(env, arrayToPin, isCopy))) { \
CHECK_JNI_EXCEPTION(env, JNI_TRUE); \
H5_JNI_FATAL_ERROR(env, failErrMsg); \
} \
}
#define UNPIN_SHORT_ARRAY(env, pinnedArray, bufToRelease, freeMode) \
{ \
ENVPTR->ReleaseShortArrayElements(env, pinnedArray, (jshort *) bufToRelease, freeMode); \
}
#define PIN_INT_ARRAY(env, arrayToPin, outBuf, isCopy, failErrMsg) \
{ \
if (NULL == (outBuf = ENVPTR->GetIntArrayElements(env, arrayToPin, isCopy))) { \
CHECK_JNI_EXCEPTION(env, JNI_TRUE); \
H5_JNI_FATAL_ERROR(env, failErrMsg); \
} \
}
#define PIN_INT_ARRAY_CRITICAL(env, arrayToPin, outBuf, isCopy, failErrMsg) \
{ \
if (NULL == (outBuf = (jint *) ENVPTR->GetPrimitiveArrayCritical(env, arrayToPin, isCopy))) { \
CHECK_JNI_EXCEPTION(env, JNI_TRUE); \
H5_JNI_FATAL_ERROR(env, failErrMsg); \
} \
}
#define UNPIN_INT_ARRAY(env, pinnedArray, bufToRelease, freeMode) \
{ \
ENVPTR->ReleaseIntArrayElements(env, pinnedArray, (jint *) bufToRelease, freeMode); \
}
#define PIN_LONG_ARRAY(env, arrayToPin, outBuf, isCopy, failErrMsg) \
{ \
if (NULL == (outBuf = ENVPTR->GetLongArrayElements(env, arrayToPin, isCopy))) { \
CHECK_JNI_EXCEPTION(env, JNI_TRUE); \
H5_JNI_FATAL_ERROR(env, failErrMsg); \
} \
}
#define PIN_LONG_ARRAY_CRITICAL(env, arrayToPin, outBuf, isCopy, failErrMsg) \
{ \
if (NULL == (outBuf = (jlong *) ENVPTR->GetPrimitiveArrayCritical(env, arrayToPin, isCopy))) { \
CHECK_JNI_EXCEPTION(env, JNI_TRUE); \
H5_JNI_FATAL_ERROR(env, failErrMsg); \
} \
}
#define UNPIN_LONG_ARRAY(env, pinnedArray, bufToRelease, freeMode) \
{ \
ENVPTR->ReleaseLongArrayElements(env, pinnedArray, (jlong *) bufToRelease, freeMode); \
}
#define PIN_FLOAT_ARRAY(env, arrayToPin, outBuf, isCopy, failErrMsg) \
{ \
if (NULL == (outBuf = ENVPTR->GetFloatArrayElements(env, arrayToPin, isCopy))) { \
CHECK_JNI_EXCEPTION(env, JNI_TRUE); \
H5_JNI_FATAL_ERROR(env, failErrMsg); \
} \
}
#define PIN_FLOAT_ARRAY_CRITICAL(env, arrayToPin, outBuf, isCopy, failErrMsg) \
{ \
if (NULL == (outBuf = (jfloat *) ENVPTR->GetPrimitiveArrayCritical(env, arrayToPin, isCopy))) { \
CHECK_JNI_EXCEPTION(env, JNI_TRUE); \
H5_JNI_FATAL_ERROR(env, failErrMsg); \
} \
}
#define UNPIN_FLOAT_ARRAY(env, pinnedArray, bufToRelease, freeMode) \
{ \
ENVPTR->ReleaseFloatArrayElements(env, pinnedArray, (jfloat *) bufToRelease, freeMode); \
}
#define PIN_DOUBLE_ARRAY(env, arrayToPin, outBuf, isCopy, failErrMsg) \
{ \
if (NULL == (outBuf = ENVPTR->GetDoubleArrayElements(env, arrayToPin, isCopy))) { \
CHECK_JNI_EXCEPTION(env, JNI_TRUE); \
H5_JNI_FATAL_ERROR(env, failErrMsg); \
} \
}
#define PIN_DOUBLE_ARRAY_CRITICAL(env, arrayToPin, outBuf, isCopy, failErrMsg) \
{ \
if (NULL == (outBuf = (jdouble *) ENVPTR->GetPrimitiveArrayCritical(env, arrayToPin, isCopy))) { \
CHECK_JNI_EXCEPTION(env, JNI_TRUE); \
H5_JNI_FATAL_ERROR(env, failErrMsg); \
} \
}
#define UNPIN_DOUBLE_ARRAY(env, pinnedArray, bufToRelease, freeMode) \
{ \
ENVPTR->ReleaseDoubleArrayElements(env, pinnedArray, (jdouble *) bufToRelease, freeMode); \
}
#define PIN_BOOL_ARRAY(env, arrayToPin, outBuf, isCopy, failErrMsg) \
{ \
if (NULL == (outBuf = ENVPTR->GetBooleanArrayElements(env, arrayToPin, isCopy))) { \
CHECK_JNI_EXCEPTION(env, JNI_TRUE); \
H5_JNI_FATAL_ERROR(env, failErrMsg); \
} \
}
#define PIN_BOOL_ARRAY_CRITICAL(env, arrayToPin, outBuf, isCopy, failErrMsg) \
{ \
if (NULL == (outBuf = (jboolean *) ENVPTR->GetPrimitiveArrayCritical(env, arrayToPin, isCopy))) { \
CHECK_JNI_EXCEPTION(env, JNI_TRUE); \
H5_JNI_FATAL_ERROR(env, failErrMsg); \
} \
}
#define UNPIN_BOOL_ARRAY(env, pinnedArray, bufToRelease, freeMode) \
{ \
ENVPTR->ReleaseBooleanArrayElements(env, pinnedArray, (jboolean *) bufToRelease, freeMode); \
}
#define UNPIN_ARRAY_CRITICAL(env, pinnedArray, bufToRelease, freeMode) \
{ \
ENVPTR->ReleasePrimitiveArrayCritical(env, pinnedArray, bufToRelease, freeMode); \
}
/* Macros for string access */
#define PIN_JAVA_STRING(env, stringToPin, outString, isCopy, failErrMsg) \
{ \
if (NULL == (outString = ENVPTR->GetStringUTFChars(env, stringToPin, isCopy))) { \
CHECK_JNI_EXCEPTION(env, JNI_TRUE); \
H5_JNI_FATAL_ERROR(env, failErrMsg); \
} \
}
#define UNPIN_JAVA_STRING(env, pinnedString, stringToRelease) \
{ \
ENVPTR->ReleaseStringUTFChars(env, pinnedString, stringToRelease); \
}
/*
* Macro to check for a JNI exception after a JNI method is called.
* If an exception occurred, the value of 'clearException' will determine
* whether or not the exception will be cleared in order for the native
* method to do its own error handling.
*
* If the exception does not get cleared, this macro will skip to the
* cleanup+return section of the native method, since at that point
* cleaning up and returning is the only safe thing that can be done.
*/
#define CHECK_JNI_EXCEPTION(env, clearException) \
{ \
if (JNI_TRUE == (*env)->ExceptionCheck(env)) { \
if (JNI_TRUE == clearException) \
(*env)->ExceptionClear(env); \
else \
goto done; \
} \
}
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
extern jboolean h5JNIFatalError(JNIEnv *env, const char *);
extern jboolean h5nullArgument(JNIEnv *env, const char *);
extern jboolean h5badArgument(JNIEnv *env, const char *);
extern jboolean h5outOfMemory(JNIEnv *env, const char *);
extern jboolean h5libraryError(JNIEnv *env);
extern jboolean h5raiseException(JNIEnv *env, const char *, const char *);
extern jboolean h5unimplemented( JNIEnv *env, const char *functName);
/*
* The following macros are to facilitate immediate cleanup+return
* from a native JNI method when an exception is to be thrown.
* Since, in general, the "cleanup" methods are the only safe JNI
* methods to call once an exception has occurred, we want to immediately
* cleanup and return instead of letting the native method continue.
*
* Note that a native method can clear the exception when one occurs and
* then do its own error handling, but we instead opt to immediately return.
*/
#define H5_JNI_FATAL_ERROR(env, message) \
{ \
h5JNIFatalError(env, message); \
goto done; \
}
#define H5_NULL_ARGUMENT_ERROR(env, message) \
{ \
h5nullArgument(env, message); \
goto done; \
}
#define H5_BAD_ARGUMENT_ERROR(env, message) \
{ \
h5badArgument(env, message); \
goto done; \
}
#define H5_OUT_OF_MEMORY_ERROR(env, message) \
{ \
h5outOfMemory(env, message); \
goto done; \
}
#define H5_LIBRARY_ERROR(env) \
{ \
h5libraryError(env); \
goto done; \
}
#define H5_RAISE_EXCEPTION(env, message, exception) \
{ \
h5raiseException(env, message, exception); \
goto done; \
}
#define H5_UNIMPLEMENTED(env, message) \
{ \
h5unimplemented(env, message); \
goto done; \
}
/* implemented at H5.c */
extern jint get_enum_value(JNIEnv *env, jobject enum_obj);
extern jobject get_enum_object(JNIEnv *env, const char* enum_class_name,
jint enum_val, const char* enum_field_desc);
/* implemented at H5G.c */
extern jobject create_H5G_info_t(JNIEnv *env, H5G_info_t group_info);
#ifdef __cplusplus
} /* end extern "C" */
#endif /* __cplusplus */
#endif /* _Included_h5jni */
|
