/* Various JNI helper functions */
-/* Copyright (c) 2007-2014. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2007-2021. 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. */
-#include <stdlib.h> /* abort */
-#include "xbt/misc.h"
+#include "jxbt_utilities.hpp"
+#include "xbt/string.hpp"
#include "xbt/sysdep.h"
-#include "xbt/str.h"
-#include "jxbt_utilities.h"
jclass jxbt_get_class(JNIEnv * env, const char *name)
{
jclass cls = env->FindClass(name);
-
- if (!cls) {
- char *m = bprintf("Class %s not found", name);
- jxbt_throw_jni(env, m);
- free(m);
+ if (not cls) {
+ jxbt_throw_jni(env, std::string("Class ") + name + " not found");
return nullptr;
}
jmethodID jxbt_get_jmethod(JNIEnv * env, jclass cls, const char *name, const char *signature)
{
- jmethodID id;
-
- if (!cls)
- return 0;
- id = env->GetMethodID(cls, name, signature);
-
- if (!id) {
+ if (not cls)
+ return nullptr;
+ jmethodID id = env->GetMethodID(cls, name, signature);
+ if (not id) {
jmethodID tostr_id = env->GetMethodID(cls, "getName", "()Ljava/lang/String;");
- jstring jclassname = (jstring) env->CallObjectMethod(cls, tostr_id, nullptr);
- const char *classname = env->GetStringUTFChars(jclassname, 0);
-
- char *m = bprintf("Cannot find method %s(%s) in %s", name, signature, classname);
+ auto jclassname = (jstring)env->CallObjectMethod(cls, tostr_id, nullptr);
+ jstring_wrapper classname(env, jclassname);
+ auto msg = std::string("Cannot find method") + name + "(" + signature + ") in " + classname.value;
- env->ReleaseStringUTFChars(jclassname, classname);
-
- jxbt_throw_jni(env, m);
-
- free(m);
- return 0;
+ jxbt_throw_jni(env, msg);
+ return nullptr;
}
return id;
jmethodID jxbt_get_static_jmethod(JNIEnv * env, jclass cls, const char *name, const char *signature)
{
- jmethodID id;
-
- if (!cls)
- return 0;
- id = env->GetStaticMethodID(cls, name, signature);
+ if (not cls)
+ return nullptr;
- if (!id) {
+ jmethodID id = env->GetStaticMethodID(cls, name, signature);
+ if (not id) {
jmethodID tostr_id = env->GetMethodID(cls, "getName", "()Ljava/lang/String;");
- jstring jclassname = (jstring) env->CallObjectMethod(cls, tostr_id, nullptr);
- const char *classname = env->GetStringUTFChars(jclassname, 0);
+ auto jclassname = (jstring)env->CallObjectMethod(cls, tostr_id, nullptr);
+ jstring_wrapper classname(env, jclassname);
+ auto msg = std::string("Cannot find static method") + name + "(" + signature + ") in " + classname.value;
- char *m = bprintf("Cannot find static method %s(%s) in %s", name, signature, classname);
-
- env->ReleaseStringUTFChars(jclassname, classname);
-
- jxbt_throw_jni(env, m);
-
- free(m);
- return 0;
+ jxbt_throw_jni(env, msg);
+ return nullptr;
}
return id;
jmethodID jxbt_get_static_smethod(JNIEnv * env, const char *classname, const char *name, const char *signature)
{
- jclass cls;
- jmethodID id;
- cls = jxbt_get_class(env, classname);
-
- if (!cls)
- return 0;
-
- id = env->GetStaticMethodID(cls, name, signature);
-
- if (!id) {
- char *m = bprintf("Cannot find static method %s(%s) in %s", name, signature, classname);
-
- jxbt_throw_jni(env, m);
+ jclass cls = jxbt_get_class(env, classname);
+ if (not cls)
+ return nullptr;
- free(m);
- return 0;
+ jmethodID id = env->GetStaticMethodID(cls, name, signature);
+ if (not id) {
+ jxbt_throw_jni(env, std::string("Cannot find static method") + name + "(" + signature + ") in " + classname);
+ return nullptr;
}
return id;
}
jmethodID jxbt_get_smethod(JNIEnv * env, const char *classname, const char *name, const char *signature)
{
- jclass cls;
- jmethodID id;
- cls = jxbt_get_class(env, classname);
-
- if (!cls)
- return 0;
-
- id = env->GetMethodID(cls, name, signature);
-
- if (!id) {
- char *m = bprintf("Cannot find method %s(%s) in %s", name, signature, classname);
-
- jxbt_throw_jni(env, m);
+ jclass cls = jxbt_get_class(env, classname);
+ if (not cls)
+ return nullptr;
- free(m);
- return 0;
+ jmethodID id = env->GetMethodID(cls, name, signature);
+ if (not id) {
+ jxbt_throw_jni(env, std::string("Cannot find method") + name + "(" + signature + ") in " + classname);
+ return nullptr;
}
return id;
}
jfieldID jxbt_get_jfield(JNIEnv * env, jclass cls, const char *name, const char *signature)
{
- jfieldID id;
-
- if (!cls)
- return 0;
-
- id = env->GetFieldID(cls, name, signature);
+ if (not cls)
+ return nullptr;
- if (!id) {
+ jfieldID id = env->GetFieldID(cls, name, signature);
+ if (not id) {
jmethodID getname_id = env->GetMethodID(cls, "getName", "()Ljava/lang/String;");
- jstring jclassname = (jstring) env->CallObjectMethod(cls, getname_id, nullptr);
- const char *classname = env->GetStringUTFChars(jclassname, 0);
- char *m = bprintf("Cannot find field %s %s in %s", signature, name, classname);
+ auto jclassname = (jstring)env->CallObjectMethod(cls, getname_id, nullptr);
+ const char* classname = env->GetStringUTFChars(jclassname, nullptr);
env->ReleaseStringUTFChars(jclassname, classname);
- jxbt_throw_jni(env, m);
+ jxbt_throw_jni(env, std::string("Cannot find field") + signature + " " + name + " in " + classname);
- free(m);
- return 0;
+ return nullptr;
}
return id;
jfieldID jxbt_get_sfield(JNIEnv * env, const char *classname, const char *name, const char *signature)
{
jclass cls = jxbt_get_class(env, classname);
- jfieldID id;
-
- if (!cls)
- return 0;
-
- id = env->GetFieldID(cls, name, signature);
-
- if (!id) {
- char *m = bprintf("Cannot find field %s %s in %s", signature, name, classname);
-
- jxbt_throw_jni(env, m);
+ if (not cls)
+ return nullptr;
- free(m);
- return 0;
+ jfieldID id = env->GetFieldID(cls, name, signature);
+ if (not id) {
+ jxbt_throw_jni(env, std::string("Cannot find field") + signature + " " + name + " in " + classname);
+ return nullptr;
}
return id;
}
-void jxbt_throw_by_name(JNIEnv * env, const char *name, char *msg)
+void jxbt_throw_by_name(JNIEnv* env, const char* name, const std::string& msg)
{
jclass cls = env->FindClass(name);
- xbt_assert(cls, "%s (Plus severe error: class %s not found)\n", msg, name);
-
- env->ThrowNew(cls, msg);
+ xbt_assert(cls, "%s (Plus severe error: class %s not found)\n", msg.c_str(), name);
- free(msg);
+ env->ThrowNew(cls, msg.c_str());
}
-void jxbt_throw_jni(JNIEnv * env, const char *msg)
+void jxbt_throw_jni(JNIEnv* env, const std::string& msg)
{
- jxbt_throw_by_name(env, "org/simgrid/msg/JniException", bprintf("Internal or JNI error: %s", msg));
+ jxbt_throw_by_name(env, "org/simgrid/msg/JniException", "Internal or JNI error: " + msg);
}
-void jxbt_throw_notbound(JNIEnv * env, const char *kind, void *pointer)
+void jxbt_throw_notbound(JNIEnv* env, const std::string& kind, void* pointer)
{
- jxbt_throw_by_name(env, "org/simgrid/msg/JniException", bprintf("Internal error: %s %p not bound", kind, pointer));
+ jxbt_throw_by_name(env, "org/simgrid/msg/JniException",
+ simgrid::xbt::string_printf("Internal error: %s %p not bound", kind.c_str(), pointer));
}
-void jxbt_throw_null(JNIEnv * env, char *msg)
+void jxbt_throw_null(JNIEnv* env, const std::string& msg)
{
jxbt_throw_by_name(env, "java/lang/NullPointerException", msg);
}
-void jxbt_throw_illegal(JNIEnv * env, char *msg)
+void jxbt_throw_illegal(JNIEnv* env, const std::string& msg)
{
jxbt_throw_by_name(env, "java/lang/IllegalArgumentException", msg);
}
-void jxbt_throw_host_not_found(JNIEnv * env, const char *invalid_name)
-{
- jxbt_throw_by_name(env, "org/simgrid/msg/HostNotFoundException", bprintf("No such host: %s", invalid_name));
-}
-
-void jxbt_throw_storage_not_found(JNIEnv * env, const char *invalid_name)
+void jxbt_throw_host_not_found(JNIEnv* env, const std::string& invalid_name)
{
- jxbt_throw_by_name(env, "org/simgrid/msg/StorageNotFoundException", bprintf("No such storage: %s", invalid_name));
+ jxbt_throw_by_name(env, "org/simgrid/msg/HostNotFoundException", "No such host: " + invalid_name);
}
-void jxbt_throw_process_not_found(JNIEnv * env, const char *invalid_name)
+void jxbt_throw_process_not_found(JNIEnv* env, const std::string& invalid_name)
{
- jxbt_throw_by_name(env, "org/simgrid/msg/ProcessNotFoundException", bprintf("No such process: %s", invalid_name));
+ jxbt_throw_by_name(env, "org/simgrid/msg/ProcessNotFoundException", "No such process: " + invalid_name);
}
-void jxbt_throw_transfer_failure(JNIEnv * env, char *details)
+void jxbt_throw_transfer_failure(JNIEnv* env, const std::string& details)
{
jxbt_throw_by_name(env, "org/simgrid/msg/TransferFailureException", details);
}
-void jxbt_throw_host_failure(JNIEnv * env, char *details)
+void jxbt_throw_host_failure(JNIEnv* env, const std::string& details)
{
- jxbt_throw_by_name(env, "org/simgrid/msg/HostFailureException", bprintf("Host Failure %s", details));
+ jxbt_throw_by_name(env, "org/simgrid/msg/HostFailureException", "Host Failure" + details);
}
-void jxbt_throw_time_out_failure(JNIEnv * env, char *details)
+void jxbt_throw_time_out_failure(JNIEnv* env, const std::string& details)
{
jxbt_throw_by_name(env, "org/simgrid/msg/TimeoutException", details);
}
-void jxbt_throw_task_cancelled(JNIEnv * env, char *details)
+void jxbt_throw_task_cancelled(JNIEnv* env, const std::string& details)
{
jxbt_throw_by_name(env, "org/simgrid/msg/TaskCancelledException", details);
}
