src/java.desktop/windows/native/libawt/windows/WPrinterJob.cpp

*** 230,239 ****
--- 230,310 ----
      } else {
          return 0;
      }
  }
  
+ JNIEXPORT jobjectArray JNICALL
+ Java_sun_print_PrintServiceLookupProvider_getRemotePrintersNames(JNIEnv *env,
+                                                            jobject peer)
+ {
+     TRY;
+ 
+     int remotePrintersCount = 0;
+     DWORD cbNeeded = 0;
+     DWORD cReturned = 0;
+     LPBYTE pPrinterEnum = NULL;
+     LPBYTE pNetworkPrinterLoc = NULL;
+ 
+     jstring utf_str;
+     jclass clazz = env->FindClass("java/lang/String");
+     if (clazz == NULL) {
+         return NULL;
+     }
+     jobjectArray nameArray;
+ 
+     try {
+         ::EnumPrinters(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS,
+                        NULL, 4, NULL, 0, &cbNeeded, &cReturned);
+         pPrinterEnum = new BYTE[cbNeeded];
+         pNetworkPrinterLoc = new BYTE[cbNeeded/sizeof(PRINTER_INFO_4)];
+         ::EnumPrinters(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS,
+                        NULL, 4, pPrinterEnum, cbNeeded, &cbNeeded,
+                        &cReturned);
+ 
+         if (cReturned > 0) {
+             for (DWORD i = 0; i < cReturned; i++) {
+                 PRINTER_INFO_4 *info4 = (PRINTER_INFO_4 *) (pPrinterEnum + i * sizeof(PRINTER_INFO_4));
+ 
+                 // PRINTER_ATTRIBUTE_NETWORK = 0x00000010
+                 // Store the network printers indexes
+                 if (info4->Attributes & 0x00000010) {
+                     pNetworkPrinterLoc[remotePrintersCount++] = i;
+                 }
+             }
+ 
+             // Allocate space only for the network type printers
+             nameArray = env->NewObjectArray(remotePrintersCount, clazz, NULL);
+             if (nameArray == NULL) {
+                 throw std::bad_alloc();
+             }
+         } else {
+             nameArray = NULL;
+         }
+ 
+         // Loop thro' network printers list only
+         for (int i = 0; i < remotePrintersCount; i++) {
+             PRINTER_INFO_4 *info4 = (PRINTER_INFO_4 *)
+                 (pPrinterEnum + pNetworkPrinterLoc[i] * sizeof(PRINTER_INFO_4));
+             utf_str = JNU_NewStringPlatform(env, info4->pPrinterName);
+             if (utf_str == NULL) {
+                 throw std::bad_alloc();
+             }
+             env->SetObjectArrayElement(nameArray, i, utf_str);
+             env->DeleteLocalRef(utf_str);
+         }
+     } catch (std::bad_alloc&) {
+         delete [] pPrinterEnum;
+         delete [] pNetworkPrinterLoc;
+         throw;
+     }
+ 
+     delete [] pPrinterEnum;
+     delete [] pNetworkPrinterLoc;
+     return nameArray;
+ 
+     CATCH_BAD_ALLOC_RET(NULL);
+ }
  
  JNIEXPORT jfloatArray JNICALL
  Java_sun_print_Win32PrintService_getMediaPrintableArea(JNIEnv *env,
                                                    jobject peer,
                                                    jstring printer,