#include <jni.h>
#include "com_woniu_Native_NativeCpp.h"
#include "stdio.h"
#include "stdlib.h"
#include "string.h"
JNIEXPORT void JNICALL Java_com_woniu_Native_NativeCpp_fun1 (JNIEnv *, jobject)
{
printf("hello world\n");
}
JNIEXPORT jint JNICALL Java_com_woniu_Native_NativeCpp_fun2
(JNIEnv *, jobject, jint a, jint b)
{
return a + b;
}
char* jstringToChar(JNIEnv* env, jstring jstr) {
char* rtn = NULL;
jclass clsstring = env->FindClass("java/lang/String");
jstring strencode = env->NewStringUTF("GB2312");
jmethodID mid = env->GetMethodID(clsstring, "getBytes", "(Ljava/lang/String;)[B");
jbyteArray barr = (jbyteArray) env->CallObjectMethod(jstr, mid, strencode);
jsize alen = env->GetArrayLength(barr);
jbyte* ba = env->GetByteArrayElements(barr, JNI_FALSE);
if (alen > 0) {
rtn = (char*) malloc(alen + 1);
memcpy(rtn, ba, alen);
rtn[alen] = 0;
}
env->ReleaseByteArrayElements(barr, ba, 0);
return rtn;
}
JNIEXPORT void JNICALL Java_com_woniu_Native_NativeCpp_fun3
(JNIEnv *env, jobject, jstring url1, jstring url2)
{
char* pUrl1 = jstringToChar(env, url1);
char* pUrl2 = jstringToChar(env, url2);
printf("url1 = %s\n", pUrl1);
printf("url2 = %s\n", pUrl2);
}
