java_field.cpp

C调用Java的一个例子程序

// JAVA_Field.cpp: implementation of the JAVA_Field class.
//
//////////////////////////////////////////////////////////////////////


#include "../header/JAVA_Field.h"
s_JAVA_Field::s_JAVA_Field()
{
	clear();
}



bool	s_JAVA_Field::loadField(JAVA_Object & _object,const char* name,const char * sig)
{
	JNI_FieldID __FieldID = JAVA_Base::GetFieldID(_object.getEnv(),_object.getClass(),name,sig);
	JAVA_ASSERT_MSG(__FieldID==JNI_NULL ,sig);
	if (__FieldID) {
		this->setMethod(_object.getEnv(),__FieldID,_object.getObject(),_object.getClass());
		return true;
	}
	clear();
	return false;
}

void s_JAVA_Field::setMethod(JNI_Env* _lpEnv,JNI_FieldID _f,JNI_Object _o,JNI_Class _c)
{
	m_lpEnv = _lpEnv; 
	m_FieldID = _f; 
	m_Object = _o;
	m_Class = _c;
}

void s_JAVA_Field::clear()
{
	m_lpEnv = 0; 
	m_FieldID = 0; 
	m_Object = 0;
	m_Class = 0;
}