366 #endif
367
368 return h_obj;
369 }
370
371 // Converts a C string to a Java String based on current encoding
372 Handle java_lang_String::create_from_platform_dependent_str(const char* str, TRAPS) {
373 assert(str != NULL, "bad arguments");
374
375 typedef jstring (*to_java_string_fn_t)(JNIEnv*, const char *);
376 static to_java_string_fn_t _to_java_string_fn = NULL;
377
378 if (_to_java_string_fn == NULL) {
379 void *lib_handle = os::native_java_library();
380 _to_java_string_fn = CAST_TO_FN_PTR(to_java_string_fn_t, os::dll_lookup(lib_handle, "JNU_NewStringPlatform"));
381 if (_to_java_string_fn == NULL) {
382 fatal("NewStringPlatform missing");
383 }
384 }
385
386 jstring js = NULL;
387 { JavaThread* thread = (JavaThread*)THREAD;
388 assert(thread->is_Java_thread(), "must be java thread");
389 HandleMark hm(thread);
390 ThreadToNativeFromVM ttn(thread);
391 js = (_to_java_string_fn)(thread->jni_environment(), str);
392 }
393 return Handle(THREAD, JNIHandles::resolve(js));
394 }
395
396 // Converts a Java String to a native C string that can be used for
397 // native OS calls.
398 char* java_lang_String::as_platform_dependent_str(Handle java_string, TRAPS) {
399 typedef char* (*to_platform_string_fn_t)(JNIEnv*, jstring, bool*);
400 static to_platform_string_fn_t _to_platform_string_fn = NULL;
401
402 if (_to_platform_string_fn == NULL) {
403 void *lib_handle = os::native_java_library();
404 _to_platform_string_fn = CAST_TO_FN_PTR(to_platform_string_fn_t, os::dll_lookup(lib_handle, "GetStringPlatformChars"));
405 if (_to_platform_string_fn == NULL) {
406 fatal("GetStringPlatformChars missing");
407 }
408 }
409
410 char *native_platform_string;
411 { JavaThread* thread = (JavaThread*)THREAD;
412 assert(thread->is_Java_thread(), "must be java thread");
413 JNIEnv *env = thread->jni_environment();
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366 #endif
367
368 return h_obj;
369 }
370
371 // Converts a C string to a Java String based on current encoding
372 Handle java_lang_String::create_from_platform_dependent_str(const char* str, TRAPS) {
373 assert(str != NULL, "bad arguments");
374
375 typedef jstring (*to_java_string_fn_t)(JNIEnv*, const char *);
376 static to_java_string_fn_t _to_java_string_fn = NULL;
377
378 if (_to_java_string_fn == NULL) {
379 void *lib_handle = os::native_java_library();
380 _to_java_string_fn = CAST_TO_FN_PTR(to_java_string_fn_t, os::dll_lookup(lib_handle, "JNU_NewStringPlatform"));
381 if (_to_java_string_fn == NULL) {
382 fatal("NewStringPlatform missing");
383 }
384 }
385
386 JavaThread* thread = (JavaThread*)THREAD;
387 assert(thread->is_Java_thread(), "must be java thread");
388
389 jstring js = NULL;
390 {
391 HandleMark hm(thread);
392 ThreadToNativeFromVM ttn(thread);
393 js = (_to_java_string_fn)(thread->jni_environment(), str);
394 }
395
396 Handle native_platform_string(THREAD, JNIHandles::resolve(js));
397 JNIHandles::destroy_local(js); // destroy local JNIHandle.
398 return native_platform_string;
399 }
400
401 // Converts a Java String to a native C string that can be used for
402 // native OS calls.
403 char* java_lang_String::as_platform_dependent_str(Handle java_string, TRAPS) {
404 typedef char* (*to_platform_string_fn_t)(JNIEnv*, jstring, bool*);
405 static to_platform_string_fn_t _to_platform_string_fn = NULL;
406
407 if (_to_platform_string_fn == NULL) {
408 void *lib_handle = os::native_java_library();
409 _to_platform_string_fn = CAST_TO_FN_PTR(to_platform_string_fn_t, os::dll_lookup(lib_handle, "GetStringPlatformChars"));
410 if (_to_platform_string_fn == NULL) {
411 fatal("GetStringPlatformChars missing");
412 }
413 }
414
415 char *native_platform_string;
416 { JavaThread* thread = (JavaThread*)THREAD;
417 assert(thread->is_Java_thread(), "must be java thread");
418 JNIEnv *env = thread->jni_environment();
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