test

Author: damlayildiz

src/HttpsCaller.class

@@ -0,0 +1,27 @@
+import java.net.*;
+import java.io.*;
+import javax.net.ssl.HttpsURLConnection;
+
+public class HttpsCaller {
+    public static String callHttps() {
+        try {
+            URL url = new URL("https://api.github.com/");
+            HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
+            conn.setRequestMethod("GET");
+
+            BufferedReader in = new BufferedReader(
+                new InputStreamReader(conn.getInputStream()));
+            String inputLine;
+            StringBuilder content = new StringBuilder();
+            
+            while ((inputLine = in.readLine()) != null) {
+                content.append(inputLine);
+            }
+            in.close();
+            conn.disconnect();
+            return content.toString();
+        } catch (Exception e) {
+            return "Error: " + e.getMessage();
+        }
+    }
+}

src/HttpsCaller.java

@@ -0,0 +1,102 @@
+#include <jni.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static JavaVM *gJvm = NULL;  // Global JVM pointer set by JNI_OnLoad
+
+// Called when library is loaded by Android Runtime
+JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved) {
+    gJvm = vm;
+    return JNI_VERSION_1_6;
+}
+
+// Helper to get JNIEnv for current thread, attach if necessary
+static JNIEnv* getJNIEnv() {
+    JNIEnv *env = NULL;
+    if ((*gJvm)->GetEnv(gJvm, (void **)&env, JNI_VERSION_1_6) != JNI_OK) {
+        if ((*gJvm)->AttachCurrentThread(gJvm, (void **)&env, NULL) != 0) {
+            return NULL;
+        }
+    }
+    return env;
+}
+
+void callHttpsFromC() {
+    JNIEnv *env = getJNIEnv();
+    if (env == NULL) {
+        printf("Failed to get JNIEnv\n");
+        return;
+    }
+
+    jclass cls = (*env)->FindClass(env, "HttpsCaller");
+    if (cls == NULL) {
+        printf("Failed to find HttpsCaller class\n");
+        return;
+    }
+
+    jmethodID mid = (*env)->GetStaticMethodID(env, cls, "callHttps", "()Ljava/lang/String;");
+    if (mid == NULL) {
+        printf("Failed to find callHttps method\n");
+        return;
+    }
+
+    jstring result = (jstring)(*env)->CallStaticObjectMethod(env, cls, mid);
+    if (result == NULL) {
+        printf("callHttps returned null\n");
+        return;
+    }
+
+    const char *str = (*env)->GetStringUTFChars(env, result, 0);
+    printf("HTTPS Response: %s\n", str);
+    (*env)->ReleaseStringUTFChars(env, result, str);
+}
+
+JavaVM *jvm;
+JNIEnv *env;
+
+void createJVM() {
+    JavaVMInitArgs vm_args;
+    JavaVMOption options[1];
+    options[0].optionString = "-Djava.class.path=."; // Adjust if needed
+
+    vm_args.version = JNI_VERSION_1_6;
+    vm_args.nOptions = 1;
+    vm_args.options = options;
+    vm_args.ignoreUnrecognized = JNI_FALSE;
+
+    jint res = JNI_CreateJavaVM(&jvm, (void**)&env, &vm_args);
+    if (res != JNI_OK) {
+        fprintf(stderr, "Failed to create JVM\n");
+        exit(1);
+    }
+}
+
+void destroyJVM() {
+    (*jvm)->DestroyJavaVM(jvm);
+}
+
+int main() {
+    createJVM();
+
+    jclass cls = (*env)->FindClass(env, "HttpsCaller");
+    if (cls == NULL) {
+        printf("Class not found\n");
+        destroyJVM();
+        return 1;
+    }
+
+    jmethodID mid = (*env)->GetStaticMethodID(env, cls, "callHttps", "()Ljava/lang/String;");
+    if (mid == NULL) {
+        printf("Method not found\n");
+        destroyJVM();
+        return 1;
+    }
+
+    jstring result = (jstring)(*env)->CallStaticObjectMethod(env, cls, mid);
+    const char *str = (*env)->GetStringUTFChars(env, result, 0);
+    printf("Result: %s\n", str);
+    (*env)->ReleaseStringUTFChars(env, result, str);
+
+    destroyJVM();
+    return 0;
+}