move GetLastError and GetErrorMessage to base class

bindings/java/src/jni/win32/service.cpp

@@ -262,29 +262,6 @@ JNIEXPORT jboolean SIGAR_JNI(win32_Service_DeleteService)
     return DeleteService((SC_HANDLE)handle);
 }
 
-JNIEXPORT jstring SIGAR_JNI(win32_Service_GetErrorMessage)
-(JNIEnv *env, jclass, jint error)
-{
-    LPTSTR  lpMsg;
-
-    FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|
-                  FORMAT_MESSAGE_IGNORE_INSERTS|
-                  FORMAT_MESSAGE_FROM_SYSTEM,
-                  NULL, error, 
-                  MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US),
-                  (LPTSTR)&lpMsg, 0, NULL);
-    return env->NewString((const jchar *)lpMsg, lstrlen(lpMsg));
-}
-
-/**
- * XXX: this should probablly be moved into a util class
- */
-JNIEXPORT jint SIGAR_JNI(win32_Service_GetLastError)
-(JNIEnv *, jclass)
-{
-    return GetLastError();
-}
-
 JNIEXPORT jlong SIGAR_JNI(win32_Service_OpenSCManager)
 (JNIEnv *env, jclass, jstring machine, jint access)
 {

bindings/java/src/jni/win32/util.c

@@ -1,4 +1,7 @@
 #ifdef WIN32
+#define UNICODE
+#define _UNICODE
+
 #include <pdh.h>
 #include <pdhmsg.h>
 
@@ -19,6 +22,26 @@ void win32_throw_exception(JNIEnv *env, char *msg)
     JENV->ThrowNew(env, exceptionClass, msg);
 }
 
+JNIEXPORT jint SIGAR_JNI(win32_Win32_GetLastError)
+(JNIEnv *env, jclass cls)
+{
+    return GetLastError();
+}
+
+JNIEXPORT jstring SIGAR_JNI(win32_Win32_GetErrorMessage)
+(JNIEnv *env, jclass cls, jint error)
+{
+    LPTSTR msg;
+
+    FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|
+                  FORMAT_MESSAGE_IGNORE_INSERTS|
+                  FORMAT_MESSAGE_FROM_SYSTEM,
+                  NULL, error, 
+                  MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US),
+                  (LPTSTR)&msg, 0, NULL);
+    return JENV->NewString(env, (const jchar *)msg, lstrlen(msg));
+}
+
 #ifdef __cplusplus
 }
 #endif

bindings/java/src/net/hyperic/sigar/win32/Service.java

@@ -330,10 +330,6 @@ public class Service extends Win32 {
 
     private static native boolean DeleteService(long handle);
 
-    private static native String GetErrorMessage(int error);
-
-    private static native int GetLastError();
-
     private static native long OpenSCManager(String machine,
                                              int access);
 

bindings/java/src/net/hyperic/sigar/win32/Win32.java

@@ -12,4 +12,9 @@ abstract class Win32 {
             
         }
     }
+    
+    static native String GetErrorMessage(int error);
+
+    static native int GetLastError();
+
 }