1 /*
2 * Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #include "jni_util.h"
27 #include "awt.h"
28 #include <jni.h>
29 #include <shellapi.h>
30 #include <float.h>
31
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35
36 /*
37 * Class: sun_awt_windows_WDesktopPeer
38 * Method: ShellExecute
39 * Signature: (Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
40 */
Java_sun_awt_windows_WDesktopPeer_ShellExecute(JNIEnv * env,jclass cls,jstring fileOrUri_j,jstring verb_j)41 JNIEXPORT jstring JNICALL Java_sun_awt_windows_WDesktopPeer_ShellExecute
42 (JNIEnv *env, jclass cls, jstring fileOrUri_j, jstring verb_j)
43 {
44 LPCWSTR fileOrUri_c = JNU_GetStringPlatformChars(env, fileOrUri_j, JNI_FALSE);
45 CHECK_NULL_RETURN(fileOrUri_c, NULL);
46 LPCWSTR verb_c = JNU_GetStringPlatformChars(env, verb_j, JNI_FALSE);
47 if (verb_c == NULL) {
48 JNU_ReleaseStringPlatformChars(env, fileOrUri_j, fileOrUri_c);
49 return NULL;
50 }
51
52 // 6457572: ShellExecute possibly changes FPU control word - saving it here
53 unsigned oldcontrol87 = _control87(0, 0);
54 HINSTANCE retval = ::ShellExecute(NULL, verb_c, fileOrUri_c, NULL, NULL, SW_SHOWNORMAL);
55 DWORD error = ::GetLastError();
56 _control87(oldcontrol87, 0xffffffff);
57
58 JNU_ReleaseStringPlatformChars(env, fileOrUri_j, fileOrUri_c);
59 JNU_ReleaseStringPlatformChars(env, verb_j, verb_c);
60
61 if ((int)retval <= 32) {
62 // ShellExecute failed.
63 LPTSTR buffer = NULL;
64 int len = ::FormatMessage(
65 FORMAT_MESSAGE_ALLOCATE_BUFFER |
66 FORMAT_MESSAGE_FROM_SYSTEM |
67 FORMAT_MESSAGE_IGNORE_INSERTS,
68 NULL,
69 error,
70 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
71 (LPTSTR)&buffer,
72 0,
73 NULL );
74
75 if (buffer) {
76 jstring errmsg = JNU_NewStringPlatform(env, buffer);
77 LocalFree(buffer);
78 return errmsg;
79 }
80 }
81
82 return NULL;
83 }
84
85 #ifdef __cplusplus
86 }
87 #endif
88