1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165
|
#ifdef __BORLANDC__
#pragma argsused
#endif
#ifdef _WIN32
#define PATH_SEPARATOR ';'
#else
#define PATH_SEPARATOR ':'
#endif
#include <jni.h>
#include <windows.h>
#include <iostream>
using namespace std;
/**
* You can find all installed JVMs' information in the Registry:
* HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Runtime Environment
*/
// typedef of functions needed to create the JVM dynamically
typedef jint (JNICALL GetCreatedJavaVMs_t)( JavaVM**, jsize, jsize* );
typedef jint (JNICALL CreateJavaVM_t)( JavaVM**, void **, void* );
// pointer declaration of those functions
GetCreatedJavaVMs_t *GetCreatedJavaVMs;
CreateJavaVM_t *CreateJavaVM;
// handling reference to jvm.dll
HINSTANCE hJvmDll;
int main( int argc, char * argv[] )
{
jsize nVMs;
// pointer to the Virtual Machine instance interface
JavaVM *jvm = (JavaVM *)0;
// pointer to the thread instances interface which invokes Native APIs
JNIEnv *env = (JNIEnv *)0;
JavaVMInitArgs vm_args;
jint status = -1;
jclass cls;
jmethodID mid;
JavaVMOption options[1];
options[0].optionString = "-Djava.class.path=H:\\";
size_t bufLen = 1;
jvm = (JavaVM *) malloc( sizeof(JavaVM) * bufLen );
char debugStr[256];
hJvmDll =
LoadLibrary( "C:\\Program Files\\Java\\jre1.6.0\\bin\\client\\jvm.dll" );
if ( hJvmDll != NULL )
{
GetCreatedJavaVMs =
(GetCreatedJavaVMs_t*)GetProcAddress( hJvmDll, "JNI_GetCreatedJavaVMs" );
CreateJavaVM =
(CreateJavaVM_t*)GetProcAddress( hJvmDll, "JNI_CreateJavaVM" );
if ( GetCreatedJavaVMs != NULL && CreateJavaVM != NULL)
{
sprintf( debugStr, "TOTO \n\n" );
printf(debugStr);
status = GetCreatedJavaVMs( &jvm, bufLen, &nVMs);
if ( status != -1)
{
sprintf( debugStr, "There are %d VM(s) running\r\n", nVMs );
printf(debugStr);
}
if (nVMs == 0)
{
vm_args.version = JNI_VERSION_1_6;
vm_args.options = options;
vm_args.nOptions = 1;
vm_args.ignoreUnrecognized = JNI_TRUE;
status = CreateJavaVM( &jvm, (void**) &env, &vm_args );
if ( status == JNI_OK )
{
sprintf( debugStr, "VM lancee -- Launching VM okay.\r\n" );
printf(debugStr);
}
}
}
}
if (status == JNI_OK)
{
sprintf( debugStr, "JNI_OK\n\n" );
printf(debugStr);
cls = (env)->FindClass("connectSAP");
if(cls !=0)
{
sprintf( debugStr, "cls_OK\n\n" );
printf(debugStr);
mid = (env)->GetStaticMethodID( cls, "intMethod", "(I)I");
if(mid !=0)
{
sprintf( debugStr, "getMethod_int_OK\n\n" );
printf(debugStr);
jint square = (env)->CallStaticIntMethod(cls, mid, 5);
printf("Result of intMethod: %d\n", square);
}
mid = (env)->GetStaticMethodID( cls, "Affiche", "()V");
if(mid !=0)
{
sprintf( debugStr, "getMethod_aff_OK\n\n" );
printf(debugStr);
sprintf( debugStr, "Affichage de la methode Affiche\n\n" );
printf(debugStr);
(env)->CallStaticVoidMethod(cls, mid);
}
mid = (env)->GetStaticMethodID( cls, "connect", "()V");
if(mid !=0)
{
sprintf( debugStr, "\n\n\n\ngetMethod_connect_OK\n\n" );
printf(debugStr);
sprintf( debugStr, "Affichage de la methode Connection\n\n" );
printf(debugStr);
(env)->CallStaticVoidMethod(cls, mid);
}
}
(jvm)->DestroyJavaVM();
system("pause");
return 0;
}
else
return status;
system("pause");
} |
Partager