mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-23 14:52:24 +00:00
113 lines
3.6 KiB
C++
113 lines
3.6 KiB
C++
//
|
|
// Created by Grant Limberg on 10/21/20.
|
|
//
|
|
|
|
#include "ZT_jniarray.h"
|
|
#include <vector>
|
|
#include <string>
|
|
#include <cassert>
|
|
|
|
jclass java_util_ArrayList;
|
|
jmethodID java_util_ArrayList_;
|
|
jmethodID java_util_ArrayList_size;
|
|
jmethodID java_util_ArrayList_get;
|
|
jmethodID java_util_ArrayList_add;
|
|
|
|
void InitListJNI(JNIEnv* env) {
|
|
java_util_ArrayList = static_cast<jclass>(env->NewGlobalRef(env->FindClass("java/util/ArrayList")));
|
|
java_util_ArrayList_ = env->GetMethodID(java_util_ArrayList, "<init>", "(I)V");
|
|
java_util_ArrayList_size = env->GetMethodID (java_util_ArrayList, "size", "()I");
|
|
java_util_ArrayList_get = env->GetMethodID(java_util_ArrayList, "get", "(I)Ljava/lang/Object;");
|
|
java_util_ArrayList_add = env->GetMethodID(java_util_ArrayList, "add", "(Ljava/lang/Object;)Z");
|
|
}
|
|
|
|
jclass ListJNI::getListClass(JNIEnv* env) {
|
|
jclass jclazz = env->FindClass("java/util/List");
|
|
assert(jclazz != nullptr);
|
|
return jclazz;
|
|
}
|
|
|
|
jclass ListJNI::getArrayListClass(JNIEnv* env) {
|
|
jclass jclazz = env->FindClass("java/util/ArrayList");
|
|
assert(jclazz != nullptr);
|
|
return jclazz;
|
|
}
|
|
|
|
jclass ListJNI::getIteratorClass(JNIEnv* env) {
|
|
jclass jclazz = env->FindClass("java/util/Iterator");
|
|
assert(jclazz != nullptr);
|
|
return jclazz;
|
|
}
|
|
|
|
jmethodID ListJNI::getIteratorMethod(JNIEnv* env) {
|
|
static jmethodID mid = env->GetMethodID(
|
|
getListClass(env), "iterator", "()Ljava/util/Iterator;");
|
|
assert(mid != nullptr);
|
|
return mid;
|
|
}
|
|
|
|
jmethodID ListJNI::getHasNextMethod(JNIEnv* env) {
|
|
static jmethodID mid = env->GetMethodID(
|
|
getIteratorClass(env), "hasNext", "()Z");
|
|
assert(mid != nullptr);
|
|
return mid;
|
|
}
|
|
|
|
jmethodID ListJNI::getNextMethod(JNIEnv* env) {
|
|
static jmethodID mid = env->GetMethodID(
|
|
getIteratorClass(env), "next", "()Ljava/lang/Object;");
|
|
assert(mid != nullptr);
|
|
return mid;
|
|
}
|
|
|
|
jmethodID ListJNI::getArrayListConstructorMethodId(JNIEnv* env, jclass jclazz) {
|
|
static jmethodID mid = env->GetMethodID(
|
|
jclazz, "<init>", "(I)V");
|
|
assert(mid != nullptr);
|
|
return mid;
|
|
}
|
|
|
|
jmethodID ListJNI::getListAddMethodId(JNIEnv* env) {
|
|
static jmethodID mid = env->GetMethodID(
|
|
getListClass(env), "add", "(Ljava/lang/Object;)Z");
|
|
assert(mid != nullptr);
|
|
return mid;
|
|
}
|
|
|
|
jclass ByteJNI::getByteClass(JNIEnv* env) {
|
|
jclass jclazz = env->FindClass("java/lang/Byte");
|
|
assert(jclazz != nullptr);
|
|
return jclazz;
|
|
}
|
|
|
|
jmethodID ByteJNI::getByteValueMethod(JNIEnv* env) {
|
|
static jmethodID mid = env->GetMethodID(
|
|
getByteClass(env), "byteValue", "()B");
|
|
assert(mid != nullptr);
|
|
return mid;
|
|
}
|
|
|
|
jobject cppToJava(JNIEnv* env, std::vector<std::string> vector) {
|
|
jobject result = env->NewObject(java_util_ArrayList, java_util_ArrayList_, vector.size());
|
|
for (std::string s: vector) {
|
|
jstring element = env->NewStringUTF(s.c_str());
|
|
env->CallBooleanMethod(result, java_util_ArrayList_add, element);
|
|
env->DeleteLocalRef(element);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
std::vector<std::string> javaToCpp(JNIEnv* env, jobject arrayList) {
|
|
jint len = env->CallIntMethod(arrayList, java_util_ArrayList_size);
|
|
std::vector<std::string> result;
|
|
result.reserve(len);
|
|
for (jint i=0; i<len; i++) {
|
|
jstring element = static_cast<jstring>(env->CallObjectMethod(arrayList, java_util_ArrayList_get, i));
|
|
const char* pchars = env->GetStringUTFChars(element, nullptr);
|
|
result.emplace_back(pchars);
|
|
env->ReleaseStringUTFChars(element, pchars);
|
|
env->DeleteLocalRef(element);
|
|
}
|
|
return result;
|
|
}
|