1 /*
2  * Copyright (c) 1998, 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 "awt_Event.h"
27 #include "awt.h"
28 
29 /************************************************************************
30  * AwtEvent fields
31  */
32 
33 jfieldID AwtEvent::targetID;
34 jfieldID AwtEvent::xID;
35 jfieldID AwtEvent::yID;
36 
37 /************************************************************************
38  * AwtEvent native methods
39  */
40 
41 extern "C" {
42 
43 JNIEXPORT void JNICALL
Java_java_awt_Event_initIDs(JNIEnv * env,jclass cls)44 Java_java_awt_Event_initIDs(JNIEnv *env, jclass cls) {
45     TRY;
46 
47     AwtEvent::targetID = env->GetFieldID(cls, "target", "Ljava/lang/Object;");
48     DASSERT(AwtEvent::targetID != NULL);
49     CHECK_NULL(AwtEvent::targetID);
50 
51     AwtEvent::xID = env->GetFieldID(cls, "x", "I");
52     DASSERT(AwtEvent::xID != NULL);
53     CHECK_NULL(AwtEvent::xID);
54 
55     AwtEvent::yID = env->GetFieldID(cls, "y", "I");
56     DASSERT(AwtEvent::yID != NULL);
57     CHECK_NULL(AwtEvent::yID);
58 
59     CATCH_BAD_ALLOC;
60 }
61 
62 } /* extern "C" */
63