proggen.org

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#include <iostream>
#include <string>
#include <jni.h>
using namespace std;


int main(void)
{
	//Hello World in C++
	cout << "Hello World in C++";

	//Java VM anlegen
	JavaVM *jvm;

	//Native Javamethoden verfügbar machen
	JNIEnv *env;

	JavaVMOption options[1];
	//Initialargumente für die JavaVM
	JavaVMInitArgs vm_args;
	//JNI Version festlegen
	vm_args.version = JNI_VERSION_1_6;
	JNI_GetDefaultJavaVMInitArgs(&vm_args);

	options[0].optionString = "....";
	vm_args.nOptions = 1;
	vm_args.options = options;

	jint value;

	// JavaVM erzeugen:
	value = JNI_CreateJavaVM(&jvm, (void **)&env, &vm_args);
	if(value < 0)
	{
		cout << value << " : ";
		switch(value)
		{
			case JNI_ERR:
				cout << "JNI_ERR" << endl;
			break;
			case JNI_EDETACHED:
				cout << "JNI_EDETACHED" << endl;
			break;
			case JNI_EVERSION:
				cout << "JNI_EVERSION" << endl;
			break;
			case JNI_ENOMEM:
				cout << "JNI_ENOMEM" << endl;
			break;
			case JNI_EEXIST:
				cout << "JNI_EEXIST" << endl;
			break;
			case JNI_EINVAL:
				cout << "JNI_EINVAL" << endl;
			break;
		}
		return -1;
	}
	else
		cout << "CreateJavaVM success!!" << endl;

	jclass javaKlasse;

	if (javaKlasse = env->FindClass("testing"))
		cout << "Klasse gefunden!" << endl;
	else
		cout << "Klasse nicht gefunden AUTSCH!" << endl;

	jmethodID testmethod1;

	if (testmethod1 = env->GetStaticMethodID(javaKlasse, "testmethod1", "([Ljava/lang/String;)V"))
	{
		cout << "Methode testmethod1 gefunden!\n" << "jetzt wird die Methode ausgefuehrt\n";
		env->CallStaticVoidMethod(javaKlasse, testmethod1, 0);
	}
	else
		cout << "Methode nicht gefunden! Du machst da was falsch!\n";

	cout << "JavaVM hat fertisch!\n Jetzt machen wir sie kapott!\n";

	jvm->DestroyJavaVM();

	return 0;
}

Code: Alles auswählen

23: undefined reference to `JNI_GetDefaultJavaVMInitArgs'

Code: Alles auswählen

32: undefined reference to `JNI_CreateJavaVM'