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// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html
// Author: abratchik
#define LOG_TAG "org.opencv.utils.Converters"
#include "common.h"
jobject vector_String_to_List(JNIEnv* env, std::vector<cv::String>& vs) {
static jclass juArrayList = ARRAYLIST(env);
static jmethodID m_create = CONSTRUCTOR(env, juArrayList);
jmethodID m_add = LIST_ADD(env, juArrayList);
jobject result = env->NewObject(juArrayList, m_create, vs.size());
for (std::vector<cv::String>::iterator it = vs.begin(); it != vs.end(); ++it) {
jstring element = env->NewStringUTF((*it).c_str());
env->CallBooleanMethod(result, m_add, element);
env->DeleteLocalRef(element);
}
return result;
}
std::vector<cv::String> List_to_vector_String(JNIEnv* env, jobject list)
{
static jclass juArrayList = ARRAYLIST(env);
jmethodID m_size = LIST_SIZE(env,juArrayList);
jmethodID m_get = LIST_GET(env, juArrayList);
jint len = env->CallIntMethod(list, m_size);
std::vector<cv::String> result;
result.reserve(len);
for (jint i=0; i<len; i++)
{
jstring element = static_cast<jstring>(env->CallObjectMethod(list, m_get, i));
const char* pchars = env->GetStringUTFChars(element, NULL);
result.push_back(pchars);
env->ReleaseStringUTFChars(element, pchars);
env->DeleteLocalRef(element);
}
return result;
}
void Copy_vector_String_to_List(JNIEnv* env, std::vector<cv::String>& vs, jobject list)
{
static jclass juArrayList = ARRAYLIST(env);
jmethodID m_clear = LIST_CLEAR(env, juArrayList);
jmethodID m_add = LIST_ADD(env, juArrayList);
env->CallVoidMethod(list, m_clear);
for (std::vector<cv::String>::iterator it = vs.begin(); it != vs.end(); ++it)
{
jstring element = env->NewStringUTF((*it).c_str());
env->CallBooleanMethod(list, m_add, element);
env->DeleteLocalRef(element);
}
}