File: | jdk/src/java.desktop/share/native/libawt/java2d/Disposer.c |
Warning: | line 51, column 16 Value stored to 'clazz' during its initialization is never read |
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1 | /* |
2 | * Copyright (c) 2002, 2013, 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 | #include "jni_util.h" |
26 | #include "Disposer.h" |
27 | |
28 | static jmethodID addRecordMID = NULL((void*)0); |
29 | static jclass dispClass = NULL((void*)0); |
30 | |
31 | /* |
32 | * Class: sun_java2d_Disposer |
33 | * Method: initIDs |
34 | * Signature: ()V |
35 | */ |
36 | JNIEXPORT__attribute__((visibility("default"))) void JNICALL |
37 | Java_sun_java2d_Disposer_initIDs(JNIEnv *env, jclass disposerClass) |
38 | { |
39 | addRecordMID = (*env)->GetStaticMethodID(env, disposerClass, "addRecord", |
40 | "(Ljava/lang/Object;JJ)V"); |
41 | if (addRecordMID != 0) { |
42 | dispClass = (*env)->NewGlobalRef(env, disposerClass); |
43 | } |
44 | } |
45 | |
46 | JNIEXPORT__attribute__((visibility("default"))) void JNICALL |
47 | Disposer_AddRecord(JNIEnv *env, jobject obj, GeneralDisposeFunc disposer, jlong pData) { |
48 | |
49 | if (dispClass == NULL((void*)0)) { |
50 | /* Needed to initialize the Disposer class as it may be not yet referenced */ |
51 | jclass clazz = (*env)->FindClass(env, "sun/java2d/Disposer"); |
Value stored to 'clazz' during its initialization is never read | |
52 | if ((*env)->ExceptionCheck(env)) { |
53 | // If there's exception pending, we'll just return. |
54 | return; |
55 | } |
56 | } |
57 | |
58 | (*env)->CallStaticVoidMethod(env, dispClass, addRecordMID, |
59 | obj, ptr_to_jlong(disposer)((jlong)(disposer)), pData); |
60 | } |
61 | |
62 | /* |
63 | * Class: sun_java2d_DefaultDisposerRecord |
64 | * Method: invokeNativeDispose |
65 | * Signature: (JJ)V |
66 | */ |
67 | JNIEXPORT__attribute__((visibility("default"))) void JNICALL |
68 | Java_sun_java2d_DefaultDisposerRecord_invokeNativeDispose(JNIEnv *env, jclass dispClass, |
69 | jlong disposer, jlong pData) |
70 | { |
71 | if (disposer != 0 && pData != 0) { |
72 | GeneralDisposeFunc *disposeMethod = (GeneralDisposeFunc*)(jlong_to_ptr(disposer)((void*)(disposer))); |
73 | disposeMethod(env, pData); |
74 | } |
75 | } |