1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
/*
* %W% %E%
*
* Copyright 2002 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
/*****************************************************************************
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistribution of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materails provided with the distribution.
*
* Neither the name Sun Microsystems, Inc. or the names of the contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind.
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
* ANY IMPLIED WARRANT OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMEN, ARE HEREBY EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND
* ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS
* A RESULT OF USING, MODIFYING OR DESTRIBUTING THIS SOFTWARE OR ITS
* DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
* REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
* INCIDENTAL OR PUNITIVE DAMAGES. HOWEVER CAUSED AND REGARDLESS OF THE THEORY
* OF LIABILITY, ARISING OUT OF THE USE OF OUR INABILITY TO USE THIS SOFTWARE,
* EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for us in
* the design, construction, operation or maintenance of any nuclear facility
*
*****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <jni.h>
#include "util.h"
static jstring sprintfJavaString(JNIEnv *env, const char *format, va_list ap) {
#define BUFFER_SIZE 4000
char buffer[BUFFER_SIZE];
jstring str;
#ifdef _WIN32
_vsnprintf(buffer, BUFFER_SIZE, format, ap);
#else
vsnprintf(buffer, BUFFER_SIZE, format, ap);
#endif
buffer[BUFFER_SIZE - 1] = '\0';
str = (*env)->NewStringUTF(env, buffer);
return str;
}
void printfJava(JNIEnv *env, const char *format, ...) {
jstring str;
jclass org_lwjgl_LWJGLUtil_class;
jmethodID log_method;
va_list ap;
va_start(ap, format);
str = sprintfJavaString(env, format, ap);
va_end(ap);
org_lwjgl_LWJGLUtil_class = (*env)->FindClass(env, "net/java/games/input/ControllerEnvironment");
if (org_lwjgl_LWJGLUtil_class == NULL)
return;
log_method = (*env)->GetStaticMethodID(env, org_lwjgl_LWJGLUtil_class, "log", "(Ljava/lang/String;)V");
if (log_method == NULL)
return;
(*env)->CallStaticVoidMethod(env, org_lwjgl_LWJGLUtil_class, log_method, str);
}
static void throwException(JNIEnv * env, const char *exception_name, const char *format, va_list ap) {
jstring str;
jobject exception;
if ((*env)->ExceptionCheck(env) == JNI_TRUE)
return; // The JVM crashes if we try to throw two exceptions from one native call
str = sprintfJavaString(env, format, ap);
exception = newJObject(env, exception_name, "(Ljava/lang/String;)V", str);
(*env)->Throw(env, exception);
}
void throwRuntimeException(JNIEnv * env, const char *format, ...) {
va_list ap;
va_start(ap, format);
throwException(env, "java/lang/RuntimeException", format, ap);
va_end(ap);
}
void throwIOException(JNIEnv * env, const char *format, ...) {
va_list ap;
va_start(ap, format);
throwException(env, "java/io/IOException", format, ap);
va_end(ap);
}
jobject newJObject(JNIEnv * env, const char *class_name, const char *constructor_signature, ...) {
va_list ap;
jclass clazz;
jmethodID constructor;
jobject obj;
clazz = (*env)->FindClass(env, class_name);
if (clazz == NULL)
return NULL;
constructor = (*env)->GetMethodID(env, clazz, "<init>", constructor_signature);
if (constructor == NULL)
return NULL;
va_start(ap, constructor_signature);
obj = (*env)->NewObjectV(env, clazz, constructor, ap);
va_end(ap);
return obj;
}
|
