| /* |
| * Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #include <windows.h> |
| |
| #include "jni.h" |
| #include "jni_util.h" |
| #include "jlong.h" |
| |
| #include "sun_nio_fs_RegistryFileTypeDetector.h" |
| |
| |
| JNIEXPORT jstring JNICALL |
| Java_sun_nio_fs_RegistryFileTypeDetector_queryStringValue(JNIEnv* env, jclass this, |
| jlong keyAddress, jlong nameAddress) |
| { |
| LPCWSTR lpSubKey= (LPCWSTR)jlong_to_ptr(keyAddress); |
| LPWSTR lpValueName = (LPWSTR)jlong_to_ptr(nameAddress); |
| LONG res; |
| HKEY hKey; |
| jstring result = NULL; |
| |
| res = RegOpenKeyExW(HKEY_CLASSES_ROOT, lpSubKey, 0, KEY_READ, &hKey); |
| if (res == ERROR_SUCCESS) { |
| DWORD type; |
| BYTE data[255]; |
| DWORD size = sizeof(data); |
| |
| res = RegQueryValueExW(hKey, lpValueName, NULL, &type, (LPBYTE)&data, &size); |
| if (res == ERROR_SUCCESS) { |
| if (type == REG_SZ) { |
| jsize len = (jsize)wcslen((WCHAR*)data); |
| result = (*env)->NewString(env, (const jchar*)&data, len); |
| } |
| } |
| |
| RegCloseKey(hKey); |
| } |
| return result; |
| } |