java_staticmethod.h

C调用Java的一个例子程序

 // JAVA_StaticMethod.h: interface for the JAVA_StaticMethod class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(__JAVA_StaticMethod_h__)
#define __JAVA_StaticMethod_h__

#include "JAVA_Debug.h"
#include "JAVA_Base.h"
#include "Java_Object.h"
#include "Java_Class.h"
#include "JAVA_VM.H"
#include "JAVA_Config.h"
struct s_JAVA_StaticMethod{
	s_JAVA_StaticMethod();
	JNI_MethodID	m_MethodID;
	JNI_Object		m_Object;
	JNI_Env*		m_lpEnv;
	JNI_Class		m_Class;
	void setMethod(JNI_Env* _lpEnv,JNI_MethodID _m,JNI_Object _o,JNI_Class _c);
	void clear();
	bool loadMethod(JAVA_Object & _object,const char* name,const char * sig);
	void _setEnv_Mul()
	{
		m_lpEnv = JAVA_VM::getInstance()->getEnv();
	}
};

	
class JAVA_StaticMethod_Base
{
public:
	bool	loadMethod(JAVA_Object & _object,const char* name,const char * sig)
	{
		return m_Method.loadMethod(_object,name,sig);
	}
protected:

	s_JAVA_StaticMethod  m_Method;
};


template<typename _RT>
class JAVA_StaticMethod 
{};



//for load 
#define  loadJavaStaticMethod(m,name,sig)  if(!m.loadMethod(*this,name,sig))\
										{ SHOWMESSAGE("JavaStaticMethod:" ## name ## " " ## sig ## " unload!");return false;}



//Object
#if defined(JNI_StaticMethodName)
#undef  JNI_StaticMethodName
#endif //#if defined(JNI_StaticMethodName)

#if defined(JNI_ReturnType)
#undef  JNI_ReturnType
#endif //#if defined(JNI_ReturnType)

#define  JNI_StaticMethodName		CallStaticObjectMethod
#define  JNI_ReturnType		JNI_Object 
#include "JAVA_CallStaticMethod.h"


//Boolean
#if defined(JNI_StaticMethodName)
#undef  JNI_StaticMethodName
#endif //#if defined(JNI_StaticMethodName)

#if defined(JNI_ReturnType)
#undef  JNI_ReturnType
#endif //#if defined(JNI_ReturnType)

#define  JNI_StaticMethodName		CallStaticBooleanMethod
#define  JNI_ReturnType		JNI_Boolean
#include "JAVA_CallStaticMethod.h"


//Byte
#if defined(JNI_StaticMethodName)
#undef  JNI_StaticMethodName
#endif //#if defined(JNI_StaticMethodName)

#if defined(JNI_ReturnType)
#undef  JNI_ReturnType
#endif //#if defined(JNI_ReturnType)

#define  JNI_StaticMethodName		CallStaticByteMethod
#define  JNI_ReturnType		JNI_Byte
#include "JAVA_CallStaticMethod.h"


//Char
#if defined(JNI_StaticMethodName)
#undef  JNI_StaticMethodName
#endif //#if defined(JNI_StaticMethodName)

#if defined(JNI_ReturnType)
#undef  JNI_ReturnType
#endif //#if defined(JNI_ReturnType)

#define  JNI_StaticMethodName		CallStaticCharMethod
#define  JNI_ReturnType		JNI_Char
#include "JAVA_CallStaticMethod.h"


//Short
#if defined(JNI_StaticMethodName)
#undef  JNI_StaticMethodName
#endif //#if defined(JNI_StaticMethodName)

#if defined(JNI_ReturnType)
#undef  JNI_ReturnType
#endif //#if defined(JNI_ReturnType)

#define  JNI_StaticMethodName		CallStaticShortMethod
#define  JNI_ReturnType		JNI_Short
#include "JAVA_CallStaticMethod.h"


//Int
#if defined(JNI_StaticMethodName)
#undef  JNI_StaticMethodName
#endif //#if defined(JNI_StaticMethodName)

#if defined(JNI_ReturnType)
#undef  JNI_ReturnType
#endif //#if defined(JNI_ReturnType)

#define  JNI_StaticMethodName		CallStaticIntMethod
#define  JNI_ReturnType		JNI_Int
#include "JAVA_CallStaticMethod.h"

//Long
#if defined(JNI_StaticMethodName)
#undef  JNI_StaticMethodName
#endif //#if defined(JNI_StaticMethodName)

#if defined(JNI_ReturnType)
#undef  JNI_ReturnType
#endif //#if defined(JNI_ReturnType)

#define  JNI_StaticMethodName		CallStaticLongMethod
#define  JNI_ReturnType		JNI_Long
#include "JAVA_CallStaticMethod.h"



//Float
#if defined(JNI_StaticMethodName)
#undef  JNI_StaticMethodName
#endif //#if defined(JNI_StaticMethodName)

#if defined(JNI_ReturnType)
#undef  JNI_ReturnType
#endif //#if defined(JNI_ReturnType)

#define  JNI_StaticMethodName		CallStaticFloatMethod
#define  JNI_ReturnType		JNI_Float
#include "JAVA_CallStaticMethod.h"


//Double
#if defined(JNI_StaticMethodName)
#undef  JNI_StaticMethodName
#endif //#if defined(JNI_StaticMethodName)

#if defined(JNI_ReturnType)
#undef  JNI_ReturnType
#endif //#if defined(JNI_ReturnType)

#define  JNI_StaticMethodName		CallStaticDoubleMethod
#define  JNI_ReturnType		JNI_Double
#include "JAVA_CallStaticMethod.h"


//void
#define  ReturnVoid  //only for void 

#if defined(JNI_StaticMethodName)
#undef  JNI_StaticMethodName
#endif //#if defined(JNI_StaticMethodName)

#if defined(JNI_ReturnType)
#undef  JNI_ReturnType
#endif //#if defined(JNI_ReturnType)

#define  JNI_StaticMethodName		CallStaticVoidMethod
#define  JNI_ReturnType		JNI_Void 
#include "JAVA_CallStaticMethod.h"

#undef  ReturnVoid   //#define  ReturnVoid


#endif // !defined(__JAVA_StaticMethod_h__)