java_stringdata.h

C调用Java的一个例子程序

/* ^_^ 
 *
 *		Copyright (c) 2006 Hexin
 *
 *	Description:
 *	  TODO:
 *	Create:
 *		Date			  Time				Author
 *	------------------------------------------------
 *   2006-3-28           10:34:01			XiaoWei
 */

/* ^_^ 
 *	 Location : 
 *	 File     : JAVA_StringData.h
 *	 Version  : 1.0.0.0
 *	 Note     : 
 */
#ifndef   __JAVA_StringData_h__
#define   __JAVA_StringData_h__

#include "JNI_Object.h"
#include "JAVA_Config.h"
class JAVA_StringData
{	

public:
	typedef unsigned short		_BufferType;
	typedef unsigned short*  	_LPBufferType;

private:	
	long			m_nRefs;             
	long			m_nDataLength;    
    long			m_nStringLength;
	long			m_nAssignLength;

public:
	long			getRef();
	void			addRef();
	void			subRef();

	long			getDataLength();
	void			setDataLength(long _l);

	long			getStringLength();
	void			setStringLength(long _l);

	long			getAssignLength();
	void			setAssignLength(long _l);

	LPJTCHAR		data();




public:
	JAVA_StringData():m_nRefs(0),m_nDataLength(0),m_nAssignLength(0),m_nStringLength(0){}	

public:
	static	void		string_copy(LPJTCHAR &_lpdata,LPJCTCHAR _lp);
	static	void		string_copy(LPJTCHAR &_lpdata,LPJCTCHAR _lp,long _size);

	static	void		release(LPJTCHAR &_lpdata);
	static  LPJTCHAR	assign(long _len);

};

static const g_StrExLen = sizeof(JAVA_StringData) + 1;
static const JAVA_StringData  __defStringData; 


#define _ToStringData(lp)  ((JAVA_StringData*)(lp))
#endif