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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,27 +1,109 @@ | ||
| #include "safejni.h" | ||
| #include <stdbool.h> | ||
| #include <utils/string.h> | ||
|
|
||
| jclass bsg_safe_find_class(JNIEnv *env, const char *clz_name) { | ||
| jclass clz = (*env)->FindClass(env, clz_name); | ||
| bool bsg_check_and_clear_exc(JNIEnv *env) { | ||
| if ((*env)->ExceptionCheck(env)) { | ||
| (*env)->ExceptionClear(env); | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| jclass bsg_safe_find_class(JNIEnv *env, const char *clz_name) { | ||
| jclass clz = (*env)->FindClass(env, clz_name); | ||
| bsg_check_and_clear_exc(env); | ||
| return clz; | ||
| } | ||
|
|
||
| jmethodID bsg_safe_get_method_id(JNIEnv *env, jclass clz, const char *name, | ||
| const char *sig) { | ||
| jmethodID methodId = (*env)->GetMethodID(env, clz, name, sig); | ||
| if ((*env)->ExceptionCheck(env)) { | ||
| (*env)->ExceptionClear(env); | ||
| } | ||
| bsg_check_and_clear_exc(env); | ||
| return methodId; | ||
| } | ||
|
|
||
| jmethodID bsg_safe_get_static_method_id(JNIEnv *env, jclass clz, | ||
| const char *name, const char *sig) { | ||
| jmethodID methodId = (*env)->GetStaticMethodID(env, clz, name, sig); | ||
| if ((*env)->ExceptionCheck(env)) { | ||
| (*env)->ExceptionClear(env); | ||
| } | ||
| bsg_check_and_clear_exc(env); | ||
| return methodId; | ||
| } | ||
|
|
||
| jstring bsg_safe_new_string_utf(JNIEnv *env, const char *str) { | ||
| jstring jstr = (*env)->NewStringUTF(env, str); | ||
| bsg_check_and_clear_exc(env); | ||
| return jstr; | ||
| } | ||
|
|
||
| jboolean bsg_safe_call_boolean_method(JNIEnv *env, jobject _value, | ||
| jmethodID method) { | ||
| jboolean value = (*env)->CallBooleanMethod(env, _value, method); | ||
| if (bsg_check_and_clear_exc(env)) { | ||
| return false; // default to false | ||
| } | ||
| return value; | ||
| } | ||
|
|
||
| jint bsg_safe_call_int_method(JNIEnv *env, jobject _value, jmethodID method) { | ||
| jint value = (*env)->CallIntMethod(env, _value, method); | ||
| if (bsg_check_and_clear_exc(env)) { | ||
| return -1; // default to -1 | ||
| } | ||
| return value; | ||
| } | ||
|
|
||
| jfloat bsg_safe_call_float_method(JNIEnv *env, jobject _value, | ||
| jmethodID method) { | ||
| jfloat value = (*env)->CallFloatMethod(env, _value, method); | ||
| if (bsg_check_and_clear_exc(env)) { | ||
| return -1; // default to -1 | ||
| } | ||
| return value; | ||
| } | ||
|
|
||
| jdouble bsg_safe_call_double_method(JNIEnv *env, jobject _value, | ||
| jmethodID method) { | ||
| jdouble value = (*env)->CallDoubleMethod(env, _value, method); | ||
| if (bsg_check_and_clear_exc(env)) { | ||
| return -1; // default to -1 | ||
| } | ||
| return value; | ||
| } | ||
|
|
||
| jobjectArray bsg_safe_new_object_array(JNIEnv *env, jsize size, jclass clz) { | ||
| jobjectArray trace = (*env)->NewObjectArray(env, size, clz, NULL); | ||
| bsg_check_and_clear_exc(env); | ||
| return trace; | ||
| } | ||
|
|
||
| jobject bsg_safe_get_object_array_element(JNIEnv *env, jobjectArray array, | ||
| jsize size) { | ||
| jobject obj = (*env)->GetObjectArrayElement(env, array, size); | ||
| bsg_check_and_clear_exc(env); | ||
| return obj; | ||
| } | ||
|
|
||
| void bsg_safe_set_object_array_element(JNIEnv *env, jobjectArray array, | ||
| jsize size, jobject object) { | ||
| (*env)->SetObjectArrayElement(env, array, size, object); | ||
| bsg_check_and_clear_exc(env); | ||
| } | ||
|
|
||
| jbyteArray bsg_byte_ary_from_string(JNIEnv *env, const char *text) { | ||
| if (text == NULL) { | ||
| return NULL; | ||
| } | ||
| size_t text_length = bsg_strlen(text); | ||
| jbyteArray jtext = (*env)->NewByteArray(env, text_length); | ||
|
|
||
| if (bsg_check_and_clear_exc(env)) { | ||
| return NULL; | ||
| } | ||
| (*env)->SetByteArrayRegion(env, jtext, 0, text_length, (jbyte *)text); | ||
|
|
||
| if (bsg_check_and_clear_exc(env)) { | ||
| return NULL; | ||
| } | ||
| return jtext; | ||
| } |
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