jni_cpp_src.cpp

C调用Java的一个例子程序

// jni_cpp_src.cpp : Defines the entry point for the console application.
//

#include <iostream>
#include "../header/jni_cpp.h"
#include "../javaClass/JAVA_JarDumpClass.h"
int main(int argc, char* argv[])
{
	JAVA_VM * __lpJavaVM = JAVA_VM::getInstance();
	
	//load before start
	if (!__lpJavaVM->loadjarLibrary("DumpJar.jar")) {
		SHOWMESSAGE("can not load jar file DumpJar.jar;");
		return -1;
	}
	__lpJavaVM->startVM();
	do {		
		
		JAVA_JarDumpClass* __lpDumpClass = new(JAVA_JarDumpClass::getSig()) JAVA_JarDumpClass();
		
		if (!__lpDumpClass) {
			SHOWMESSAGE("can not create java class JAVA_JarDumpClass!");
			break;			
		}
		
		
		__lpDumpClass->load(); //must do before used
		
		JAVA_String __jarFile = _VT("JavaToCppt.jar");
		JNI_Boolean  __isLoadSucc = __lpDumpClass->LoadJarFile_Ljava_lang_String__Z(__jarFile.getJniString());
		
		if (__isLoadSucc == JNI_False ) {
			SHOWMESSAGE("JAVA_JarDumpClass LoadJarFile unsuccessful!");
			break;
		}


		
		__jarFile = _VT("DumpJar.jar");
		 __isLoadSucc = __lpDumpClass->LoadJarFile_Ljava_lang_String__Z(__jarFile.getJniString());
		
		if (__isLoadSucc == JNI_False ) {
			SHOWMESSAGE("JAVA_JarDumpClass LoadJarFile unsuccessful!");
			break;
		}


		__lpDumpClass->getFirst__V();
		JNI_Int __classNum = __lpDumpClass->ClassAmount__I();

		for(JNI_Int i = JNI_Int() ; i < __classNum; ++i)
		{
			std::wcout<< JAVA_String::getStringFromJni((JNI_String)__lpDumpClass->getOne__Ljava_lang_String_()) << std::endl;
		}
		
	} while(0);	
	__lpJavaVM->endVM();
	
	std::cin.get();
	
	return 0;
}