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test/hotspot/jtreg/vmTestbase/nsk/share/jni/ExceptionCheckingJniEnv.cpp
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rev 52432 : 8213501: Deploy ExceptionJniWrapper for a few tests
Summary:
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*** 21,163 ****
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include <stdlib.h>
#include "ExceptionCheckingJniEnv.hpp"
namespace {
template<class T = void*>
class JNIVerifier {
public:
! JNIVerifier(ExceptionCheckingJniEnv *env, const char* base_msg)
! : _env(env), _base_msg(base_msg), _return_error(NULL) {
}
~JNIVerifier() {
JNIEnv* jni_env = _env->GetJNIEnv();
if (jni_env->ExceptionCheck()) {
! _env->HandleError(_base_msg);
! return;
}
! if (_return_error != NULL) {
! ProcessReturnError();
}
}
! void ProcessReturnError() {
! int len = snprintf(NULL, 0, "%s : %s", _base_msg, _return_error) + 1;
if (len <= 0) {
! _env->HandleError(_return_error);
return;
}
char* full_message = (char*) malloc(len);
if (full_message == NULL) {
! _env->HandleError(_return_error);
return;
}
! snprintf(full_message, len, "%s : %s", _base_msg, _return_error);
_env->HandleError(full_message);
free(full_message);
}
T ResultNotNull(T ptr) {
if (ptr == NULL) {
! _return_error = "Return is NULL";
}
return ptr;
}
private:
ExceptionCheckingJniEnv* _env;
! const char* const _base_msg;
! const char* _return_error;
};
}
! jclass ExceptionCheckingJniEnv::GetObjectClass(jobject obj) {
! JNIVerifier<jclass> marker(this, "GetObjectClass");
return marker.ResultNotNull(_jni_env->GetObjectClass(obj));
}
! jfieldID ExceptionCheckingJniEnv::GetFieldID(jclass klass, const char *name, const char* type) {
! JNIVerifier<jfieldID> marker(this, "GetFieldID");
return marker.ResultNotNull(_jni_env->GetFieldID(klass, name, type));
}
! jobject ExceptionCheckingJniEnv::GetObjectField(jobject obj, jfieldID field) {
! JNIVerifier<jobject> marker(this, "GetObjectField");
return marker.ResultNotNull(_jni_env->GetObjectField(obj, field));
}
! void ExceptionCheckingJniEnv::SetObjectField(jobject obj, jfieldID field, jobject value) {
! JNIVerifier<> marker(this, "SetObjectField");
_jni_env->SetObjectField(obj, field, value);
}
! jobject ExceptionCheckingJniEnv::NewGlobalRef(jobject obj) {
! JNIVerifier<jobject> marker(this, "NewGlobalRef");
return marker.ResultNotNull(_jni_env->NewGlobalRef(obj));
}
! void ExceptionCheckingJniEnv::DeleteGlobalRef(jobject obj) {
! JNIVerifier<> marker(this, "DeleteGlobalRef");
_jni_env->DeleteGlobalRef(obj);
}
! jobject ExceptionCheckingJniEnv::NewLocalRef(jobject obj) {
! JNIVerifier<jobject> marker(this, "NewLocalRef");
return marker.ResultNotNull(_jni_env->NewLocalRef(obj));
}
! void ExceptionCheckingJniEnv::DeleteLocalRef(jobject obj) {
! JNIVerifier<> marker(this, "DeleteLocalRef");
_jni_env->DeleteLocalRef(obj);
}
! jweak ExceptionCheckingJniEnv::NewWeakGlobalRef(jobject obj) {
! JNIVerifier<jweak> marker(this, "NewWeakGlobalRef");
return marker.ResultNotNull(_jni_env->NewWeakGlobalRef(obj));
}
! void ExceptionCheckingJniEnv::DeleteWeakGlobalRef(jweak weak_ref) {
! JNIVerifier<> marker(this, "DeleteWeakGlobalRef");
_jni_env->DeleteWeakGlobalRef(weak_ref);
}
! jsize ExceptionCheckingJniEnv::GetArrayLength(jarray array) {
! JNIVerifier<> marker(this, "GetArrayLength");
return _jni_env->GetArrayLength(array);
}
! jsize ExceptionCheckingJniEnv::GetStringLength(jstring str) {
! JNIVerifier<> marker(this, "GetStringLength");
return _jni_env->GetStringLength(str);
}
! void* ExceptionCheckingJniEnv::GetPrimitiveArrayCritical(jarray array, jboolean* isCopy) {
! JNIVerifier<> marker(this, "GetPrimitiveArrayCritical");
! return marker.ResultNotNull(_jni_env->GetPrimitiveArrayCritical(array, isCopy));
}
! void ExceptionCheckingJniEnv::ReleasePrimitiveArrayCritical(jarray array, void* carray, jint mode) {
! JNIVerifier<> marker(this, "ReleasePrimitiveArrayCritical");
_jni_env->ReleasePrimitiveArrayCritical(array, carray, mode);
}
! const jchar* ExceptionCheckingJniEnv::GetStringCritical(jstring str, jboolean* isCopy) {
! JNIVerifier<const jchar*> marker(this, "GetPrimitiveArrayCritical");
! return marker.ResultNotNull(_jni_env->GetStringCritical(str, isCopy));
}
! void ExceptionCheckingJniEnv::ReleaseStringCritical(jstring str, const jchar* carray) {
! JNIVerifier<> marker(this, "ReleaseStringCritical");
_jni_env->ReleaseStringCritical(str, carray);
}
--- 21,349 ----
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include <stdlib.h>
+ #include <iostream>
#include "ExceptionCheckingJniEnv.hpp"
+ #include "nsk_tools.h"
namespace {
+ static const char* get_basename(const char* fullname) {
+ const char* p;
+ const char* base = fullname;;
+
+ if (fullname == NULL) {
+ return NULL;
+ }
+
+ for (p = fullname; *p != '\0'; p++) {
+ if (*p == '/' || *p == '\\') {
+ base = p + 1;
+ }
+ }
+ return base;
+ }
+
template<class T = void*>
class JNIVerifier {
public:
! JNIVerifier(ExceptionCheckingJniEnv *env, const char* base_msg,
! int line, const char* file)
! : _env(env), _base_message(base_msg), _error_message(NULL),
! _line(line), _file(get_basename(file)) {
! }
!
! // Until C++11 is supported, we have to write multiple template constructors.
! template <typename U>
! JNIVerifier(ExceptionCheckingJniEnv *env, const char* base_msg,
! U parameter,
! int line, const char* file)
! : _env(env), _base_message(base_msg), _error_message(NULL),
! _line(line), _file(get_basename(file)) {
! PrintPreCall(parameter);
! }
!
! template <typename U, typename V>
! JNIVerifier(ExceptionCheckingJniEnv *env, const char* base_msg,
! U parameter1,
! V parameter2,
! int line, const char* file)
! : _env(env), _base_message(base_msg), _error_message(NULL),
! _line(line), _file(get_basename(file)) {
! PrintPreCall(parameter1, parameter2);
! }
!
! template <typename U, typename V, typename W>
! JNIVerifier(ExceptionCheckingJniEnv *env, const char* base_msg,
! U parameter1, V parameter2, W parameter3,
! int line, const char* file)
! : _env(env), _base_message(base_msg), _error_message(NULL),
! _line(line), _file(get_basename(file)) {
! PrintPreCall(parameter1, parameter2, parameter3);
}
~JNIVerifier() {
+ PrintPostCall();
+
JNIEnv* jni_env = _env->GetJNIEnv();
if (jni_env->ExceptionCheck()) {
! _error_message = "internal error";
}
! if (_error_message != NULL) {
! GenerateErrorMessage();
}
}
! void GenerateErrorMessage() {
! int len = snprintf(NULL, 0, "JNI method %s : %s from %s:%d", _base_message, _error_message,
! _file, _line) + 1;
if (len <= 0) {
! _env->HandleError(_error_message);
return;
}
char* full_message = (char*) malloc(len);
if (full_message == NULL) {
! _env->HandleError(_error_message);
return;
}
! snprintf(full_message, len, "JNI method %s : %s from %s:%d", _base_message, _error_message,
! _file, _line);
_env->HandleError(full_message);
free(full_message);
}
T ResultNotNull(T ptr) {
if (ptr == NULL) {
! _error_message = "Return is NULL";
}
return ptr;
}
+ T ResultIsZero(T value) {
+ if (value != 0) {
+ _error_message = "Return is not zero";
+ }
+ return value;
+ }
+
+ void PrintPreCallHeader() {
+ if (!nsk_getVerboseMode()) {
+ return;
+ }
+
+ std::cout << ">> Calling JNI method " << _base_message << " from " << _file
+ << ":" << _line << std::endl;
+ std::cout << ">> Calling with these parameter(s):" << std::endl;
+ }
+
+ // Until C++11 is supported, we have to write multiple PrintPreCall.
+ template<class U>
+ void PrintPreCall(U first_parameter) {
+ if (!nsk_getVerboseMode()) {
+ return;
+ }
+
+ PrintPreCallHeader();
+ std::cout << "\t" << first_parameter << std::endl;
+ }
+
+ template<class U, class V>
+ void PrintPreCall(U parameter1, V parameter2) {
+ if (!nsk_getVerboseMode()) {
+ return;
+ }
+
+ PrintPreCallHeader();
+ std::cout << "\t" << parameter1 << std::endl;
+ std::cout << "\t" << parameter2 << std::endl;
+ }
+
+ template<class U, class V, class W>
+ void PrintPreCall(U parameter1, V parameter2, W parameter3) {
+ if (!nsk_getVerboseMode()) {
+ return;
+ }
+
+ PrintPreCallHeader();
+ std::cout << "\t" << parameter1 << std::endl;
+ std::cout << "\t" << parameter2 << std::endl;
+ std::cout << "\t" << parameter3 << std::endl;
+ }
+
+ void PrintPostCall() {
+ if (!nsk_getVerboseMode()) {
+ return;
+ }
+
+ std::cout << "<< Called JNI method " << _base_message << " from " << _file
+ << ":" << _line << std::endl;
+ }
+
private:
ExceptionCheckingJniEnv* _env;
! const char* const _base_message;
! const char* _error_message;
! int _line;
! const char* const _file;
};
}
! jclass ExceptionCheckingJniEnv::FindClass(const char *class_name,
! int line, const char* file_name) {
! JNIVerifier<jclass> marker(this, "FindClass", class_name, line, file_name);
! return marker.ResultNotNull(_jni_env->FindClass(class_name));
! }
!
! jint ExceptionCheckingJniEnv::RegisterNatives(jclass clazz,
! const JNINativeMethod *methods,
! jint nMethods,
! int line,
! const char* file_name) {
! JNIVerifier<jint> marker(this, "RegisterNatives", methods, nMethods, line, file_name);
! return marker.ResultIsZero(_jni_env->RegisterNatives(clazz, methods, nMethods));
! }
!
! jclass ExceptionCheckingJniEnv::GetObjectClass(jobject obj, int line,
! const char* file_name) {
! JNIVerifier<jclass> marker(this, "GetObjectClass", obj, line, file_name);
return marker.ResultNotNull(_jni_env->GetObjectClass(obj));
}
! jfieldID ExceptionCheckingJniEnv::GetStaticFieldID(jclass klass, const char *name,
! const char* type,
! int line, const char* file_name) {
! JNIVerifier<jfieldID> marker(this, "GetStaticFieldID", klass, name, type,
! line, file_name);
! return marker.ResultNotNull(_jni_env->GetStaticFieldID(klass, name, type));
! }
!
! jfieldID ExceptionCheckingJniEnv::GetFieldID(jclass klass, const char *name,
! const char* type,
! int line, const char* file_name) {
! JNIVerifier<jfieldID> marker(this, "GetFieldID", klass, name, type, line, file_name);
return marker.ResultNotNull(_jni_env->GetFieldID(klass, name, type));
}
! jobject ExceptionCheckingJniEnv::GetStaticObjectField(jclass klass, jfieldID field,
! int line, const char* file_name) {
! JNIVerifier<jobject> marker(this, "GetStaticObjectField", klass, field,
! line, file_name);
! return marker.ResultNotNull(_jni_env->GetStaticObjectField(klass, field));
! }
!
! jobject ExceptionCheckingJniEnv::GetObjectField(jobject obj, jfieldID field,
! int line, const char* file_name) {
! JNIVerifier<jobject> marker(this, "GetObjectField", obj, field, line, file_name);
return marker.ResultNotNull(_jni_env->GetObjectField(obj, field));
}
! void ExceptionCheckingJniEnv::SetObjectField(jobject obj, jfieldID field, jobject value,
! int line, const char* file_name) {
! JNIVerifier<> marker(this, "SetObjectField", obj, field, value, line, file_name);
_jni_env->SetObjectField(obj, field, value);
}
! jobject ExceptionCheckingJniEnv::NewGlobalRef(jobject obj, int line, const char* file_name) {
! JNIVerifier<jobject> marker(this, "NewGlobalRef", obj, line, file_name);
return marker.ResultNotNull(_jni_env->NewGlobalRef(obj));
}
! void ExceptionCheckingJniEnv::DeleteGlobalRef(jobject obj, int line, const char* file_name) {
! JNIVerifier<> marker(this, "DeleteGlobalRef", obj, line, file_name);
_jni_env->DeleteGlobalRef(obj);
}
! jobject ExceptionCheckingJniEnv::NewLocalRef(jobject obj, int line, const char* file_name) {
! JNIVerifier<jobject> marker(this, "NewLocalRef", obj, line, file_name);
return marker.ResultNotNull(_jni_env->NewLocalRef(obj));
}
! void ExceptionCheckingJniEnv::DeleteLocalRef(jobject obj, int line, const char* file_name) {
! JNIVerifier<> marker(this, "DeleteLocalRef", obj, line, file_name);
_jni_env->DeleteLocalRef(obj);
}
! jweak ExceptionCheckingJniEnv::NewWeakGlobalRef(jobject obj, int line, const char* file_name) {
! JNIVerifier<jweak> marker(this, "NewWeakGlobalRef", obj, line, file_name);
return marker.ResultNotNull(_jni_env->NewWeakGlobalRef(obj));
}
! void ExceptionCheckingJniEnv::DeleteWeakGlobalRef(jweak weak_ref, int line, const char* file_name) {
! JNIVerifier<> marker(this, "DeleteWeakGlobalRef", weak_ref, line, file_name);
_jni_env->DeleteWeakGlobalRef(weak_ref);
}
! jsize ExceptionCheckingJniEnv::GetArrayLength(jarray array, int line, const char* file_name) {
! JNIVerifier<> marker(this, "GetArrayLength", array, line, file_name);
return _jni_env->GetArrayLength(array);
}
! jsize ExceptionCheckingJniEnv::GetStringLength(jstring str, int line, const char* file_name) {
! JNIVerifier<> marker(this, "GetStringLength", str, line, file_name);
return _jni_env->GetStringLength(str);
}
! void* ExceptionCheckingJniEnv::GetPrimitiveArrayCritical(jarray array, jboolean* is_copy,
! int line, const char* file_name) {
! JNIVerifier<> marker(this, "GetPrimitiveArrayCritical", array, is_copy, line, file_name);
! return marker.ResultNotNull(_jni_env->GetPrimitiveArrayCritical(array, is_copy));
}
! void ExceptionCheckingJniEnv::ReleasePrimitiveArrayCritical(jarray array, void* carray, jint mode,
! int line, const char* file_name) {
! JNIVerifier<> marker(this, "ReleasePrimitiveArrayCritical", array, carray, mode,
! line, file_name);
_jni_env->ReleasePrimitiveArrayCritical(array, carray, mode);
}
! const jchar* ExceptionCheckingJniEnv::GetStringCritical(jstring str, jboolean* is_copy,
! int line, const char* file_name) {
! JNIVerifier<const jchar*> marker(this, "GetPrimitiveArrayCritical", str, is_copy,
! line, file_name);
! return marker.ResultNotNull(_jni_env->GetStringCritical(str, is_copy));
}
! void ExceptionCheckingJniEnv::ReleaseStringCritical(jstring str, const jchar* carray,
! int line, const char* file_name) {
! JNIVerifier<> marker(this, "ReleaseStringCritical", str, carray, line, file_name);
_jni_env->ReleaseStringCritical(str, carray);
}
+
+ jbyte* ExceptionCheckingJniEnv::GetByteArrayElements(jbyteArray array, jboolean* is_copy,
+ int line, const char* file_name) {
+ JNIVerifier<jbyte*> marker(this, "GetByteArrayElements", array, is_copy, line, file_name);
+ return marker.ResultNotNull(_jni_env->GetByteArrayElements(array, is_copy));
+ }
+
+ void ExceptionCheckingJniEnv::ReleaseByteArrayElements(jbyteArray array, jbyte* byte_array, jint mode,
+ int line, const char* file_name) {
+ JNIVerifier<> marker(this, "ReleaseByteArrayElements", array, byte_array, mode,
+ line, file_name);
+ _jni_env->ReleaseByteArrayElements(array, byte_array, mode);
+ }
+
+ jmethodID ExceptionCheckingJniEnv::GetMethodID(jclass klass, const char* name, const char* sig,
+ int line, const char* file_name) {
+ JNIVerifier<jmethodID> marker(this, "GetMethodID", klass, name, sig, line, file_name);
+ return marker.ResultNotNull(_jni_env->GetMethodID(klass, name, sig));
+ }
+
+ jobject ExceptionCheckingJniEnv::NewObject(jclass klass, jmethodID methodID,
+ int line, const char* file_name, ...) {
+ // In the case of NewObject, we miss the extra arguments passed to NewObject sadly.
+ JNIVerifier<jobject> marker(this, "NewObject", klass, methodID, line, file_name);
+
+ va_list args;
+ va_start(args, file_name);
+ jobject result = marker.ResultNotNull(_jni_env->NewObjectV(klass, methodID, args));
+ va_end(args);
+ return result;
+ }
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