/* Various JNI helper functions */
-/* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2022. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
/* Search a field in a class and throw an exception if not found (it's ok to to pass a NULL class: it's a noop) */
jfieldID jxbt_get_sfield(JNIEnv* env, const char* classname, const char* name, const char* signature);
-#define jxbt_check_res(fun, res, allowed_exceptions, detail) \
- do { \
- if (res != MSG_OK && (res | allowed_exceptions)) { \
- xbt_die("%s failed with error code %d, which is not an allowed exception. Please fix me.", fun, res); \
- } else if (res == MSG_HOST_FAILURE) { \
- jxbt_throw_host_failure(env, detail); \
- } else if (res == MSG_TRANSFER_FAILURE) { \
- jxbt_throw_transfer_failure(env, detail); \
- } else if (res == MSG_TIMEOUT) { \
- jxbt_throw_time_out_failure(env, detail); \
- } else if (res == MSG_TASK_CANCELED) { \
- jxbt_throw_task_cancelled(env, detail); \
- } \
- } while (0)
-
/* Throws an exception according to its name */
-void jxbt_throw_by_name(JNIEnv* env, const char* name, std::string msg);
+void jxbt_throw_by_name(JNIEnv* env, const char* name, const std::string& msg);
/** Thrown on internal error of this layer, or on problem with JNI */
-void jxbt_throw_jni(JNIEnv* env, std::string msg);
+void jxbt_throw_jni(JNIEnv* env, const std::string& msg);
/** Thrown when using an object not bound to a native one where it should, or reverse (kinda JNI issue) */
-void jxbt_throw_notbound(JNIEnv* env, std::string kind, void* pointer);
+void jxbt_throw_notbound(JNIEnv* env, const std::string& kind, void* pointer);
/** Thrown if NULL gets used */
-void jxbt_throw_null(JNIEnv* env, std::string msg);
+void jxbt_throw_null(JNIEnv* env, const std::string& msg);
/** Thrown on illegal arguments */
-void jxbt_throw_illegal(JNIEnv* env, std::string msg);
+void jxbt_throw_illegal(JNIEnv* env, const std::string& msg);
/** Thrown when looking for a host from name does not lead to anything */
-void jxbt_throw_host_not_found(JNIEnv* env, std::string invalid_name);
+void jxbt_throw_host_not_found(JNIEnv* env, const std::string& invalid_name);
/** Thrown when looking for a host from name does not lead to anything */
-void jxbt_throw_process_not_found(JNIEnv* env, std::string invalid_name);
-/** Thrown when a transfer failure accure while Sending task */
-void jxbt_throw_transfer_failure(JNIEnv* env, std::string detail);
+void jxbt_throw_process_not_found(JNIEnv* env, const std::string& invalid_name);
+/** Thrown when a transfer failure occurs while Sending task */
+void jxbt_throw_transfer_failure(JNIEnv* env, const std::string& detail);
/** Thrown when a host failure occurs while Sending a task*/
-void jxbt_throw_host_failure(JNIEnv* env, std::string details);
+void jxbt_throw_host_failure(JNIEnv* env, const std::string& details);
/** Thrown when a timeout occurs while Sending a task */
-void jxbt_throw_time_out_failure(JNIEnv* env, std::string details);
+void jxbt_throw_time_out_failure(JNIEnv* env, const std::string& details);
/**Thrown when a task is canceled */
-void jxbt_throw_task_cancelled(JNIEnv* env, std::string details);
-/** Thrown when looking for a storage from name does not lead to anything */
-void jxbt_throw_storage_not_found(JNIEnv* env, std::string invalid_name);
+void jxbt_throw_task_cancelled(JNIEnv* env, const std::string& details);
+
+class jstring_wrapper {
+ JNIEnv* env_ = nullptr;
+ jstring jstr_ = nullptr;
+
+public:
+ const char* value = nullptr;
+
+ jstring_wrapper(JNIEnv* env, jstring jstr) : env_(env), jstr_(jstr)
+ {
+ if (jstr != nullptr)
+ value = env_->GetStringUTFChars(jstr_, nullptr);
+ }
+ void reset(JNIEnv* env, jstring jstr)
+ {
+ if (jstr_ != nullptr)
+ env_->ReleaseStringUTFChars(jstr_, value);
+ env_ = env;
+ jstr_ = jstr;
+ if (jstr != nullptr)
+ value = env_->GetStringUTFChars(jstr_, nullptr);
+ }
+ ~jstring_wrapper()
+ {
+ if (jstr_ != nullptr)
+ env_->ReleaseStringUTFChars(jstr_, value);
+ }
+ operator const char*() const { return value; }
+ operator const std::string() const { return std::string(value); }
+};
#endif
