diff options
Diffstat (limited to 'CNativeCode/invokejvm.c')
| -rwxr-xr-x | CNativeCode/invokejvm.c | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/CNativeCode/invokejvm.c b/CNativeCode/invokejvm.c new file mode 100755 index 0000000..5cfa494 --- /dev/null +++ b/CNativeCode/invokejvm.c @@ -0,0 +1,243 @@ + +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +
+#ifdef _X11_ + #include <dlfcn.h>
+#endif
+
+#ifdef _WIN32_
+ #include <windows.h>
+#endif
+ +#include <jni.h> + +static char * defargs[] = { "-loadgljlibs", "gl4java.GLContext", "-info" }; + +#ifdef _X11_
+static char * lib1name="libGL4JavaJauGljJNI13.so"; +static char * lib2name="libGL4JavaJauGLJNI12.so"; +static char * lib3name="libGL4JavaJauGLUJNI12.so";
+#endif +
+#ifdef _WIN32_
+static char * lib1name="GL4JavaJauGljJNI13.DLL";
+static char * lib2name="GL4JavaJauGLJNI12.DLL";
+static char * lib3name="GL4JavaJauGLUJNI12.DLL";
+#endif
+ +int main(int argc, char ** argv) +{ + JNIEnv *env; + JavaVM *jvm=NULL; + JavaVMInitArgs jvm_args; + JavaVMOption options[100]; + jstring jstrargs[100]; + jstring jstrdummy; + jobjectArray jargs; + int jargnum=0; + jint res; + jclass cls; + jmethodID mid; + int opt_num=0, i; + int argidx=1;
+#ifdef _WIN32_
+ HMODULE lib1;
+ HMODULE lib2;
+ HMODULE lib3;
+#endif
+#ifdef _X11_ + void * lib1; + void * lib2; + void * lib3;
+#endif + char ** myargv; + + if(argc<2) + { + printf("loading default gl4java arguments !\n"); + myargv=calloc(4, sizeof(char *)); + memcpy(myargv, argv, sizeof(char *)); + myargv[argidx] = defargs[0]; + myargv[argidx+1] = defargs[1]; + myargv[argidx+2] = defargs[2]; + argv=myargv; + argc=argidx+3; + } + + for ( i = 0; i< argc; i++) + printf("calling argv[%d]: %s\n", i, argv[i]); + + if(strcmp(argv[argidx],"-loadgljlibs")==0) + { + printf("loading default gl4java libraries !\n"); + argidx++;
+#ifdef _X11_ + lib1 = dlopen (lib1name, RTLD_LAZY | RTLD_GLOBAL); + if (lib1 == NULL) + { + printf ("GLERROR: cannot access library %s\n", lib1name); + exit(1); + } + lib2 = dlopen (lib2name, RTLD_LAZY | RTLD_GLOBAL); + if (lib2 == NULL) + { + printf ("GLERROR: cannot access library %s\n", lib2name); + exit(1); + } + lib3 = dlopen (lib3name, RTLD_LAZY | RTLD_GLOBAL); + if (lib3 == NULL) + { + printf ("GLERROR: cannot access library %s\n", lib3name); + exit(1); + }
+#endif
+#ifdef _WIN32_
+ lib1 = LoadLibrary (lib1name);
+ if (lib1 == NULL)
+ {
+ printf ("GLERROR: cannot access library %s\n", lib1name);
+ exit(1);
+ }
+ lib2 = LoadLibrary (lib2name);
+ if (lib2 == NULL)
+ {
+ printf ("GLERROR: cannot access library %s\n", lib2name);
+ exit(1);
+ }
+ lib3 = LoadLibrary (lib3name);
+ if (lib3 == NULL)
+ {
+ printf ("GLERROR: cannot access library %s\n", lib3name);
+ exit(1);
+ }
+#endif
+ + } + + options[opt_num++].optionString = + "-Djava.compiler=NONE"; /* disable JIT */ + options[opt_num++].optionString = + "-Djava.class.path=."; /* user classes */ + +/* + options[opt_num++].optionString = + "-verbose:jni"; + options[opt_num++].optionString = + "-Djava.library.path=c:\mylibs"; +*/ + + for(i=0; i<opt_num; i++) + printf("jvm option[%d]: %s\n", i, options[i].optionString); + + jvm_args.version = JNI_VERSION_1_2; + jvm_args.options = options; + jvm_args.nOptions = opt_num; + jvm_args.ignoreUnrecognized = 1; + + /* Note that in the Java 2 SDK, there is no longer any need to call + * JNI_GetDefaultJavaVMInitArgs. + */ + res = JNI_CreateJavaVM(&jvm, (void **)&env, &jvm_args); + + if (res == 0) + { + + cls = (*env)->FindClass(env, argv[argidx]); + + if (cls == 0) { + fprintf(stderr, "Can't find %s class\n", argv[argidx]); + exit(1); + } + + printf("jvm calling class %s\n", argv[argidx]); + + mid = (*env)->GetStaticMethodID(env, cls, "main", "([Ljava/lang/String;)V"); + if (mid == 0) { + fprintf(stderr, "Can't find %s.main\n", argv[argidx]); + exit(1); + } + argidx++; + + jstrdummy = (*env)->NewStringUTF(env, " "); + if (jstrdummy == 0) { + fprintf(stderr, "Out of memory\n"); + exit(1); + } + + if(argidx==argc) + { + jstrargs[jargnum] = jstrdummy; + printf("jvm calling jstrargs[%d]: %s\n", + jargnum, " "); + jargnum++; + } + + for(; argidx<argc; argidx++, jargnum++) + { + jstrargs[jargnum] = (*env)->NewStringUTF(env, argv[argidx]); + if (jstrargs[jargnum] == 0) { + fprintf(stderr, "Out of memory\n"); + exit(1); + } + printf("jvm calling jstrargs[%d]: %s\n", + jargnum, argv[argidx]); + } + + if(jargnum>0) + { + jargs = (*env)->NewObjectArray(env, jargnum, + (*env)->FindClass(env, "java/lang/String"), jstrdummy); + if (jargs == 0) { + fprintf(stderr, "Out of memory\n"); + exit(1); + } + for(i=0; i<jargnum; i++) + (*env)->SetObjectArrayElement(env, jargs, + i, jstrargs[i]); + (*env)->CallStaticVoidMethod(env, cls, mid, jargs); + } + + + (*jvm)->DestroyJavaVM(jvm); + } +
+#ifdef _X11_ + if(lib1!=NULL) + { + dlclose (lib1); + lib1 = NULL; + } + if(lib2!=NULL) + { + dlclose (lib2); + lib2 = NULL; + } + if(lib3!=NULL) + { + dlclose (lib3); + lib3 = NULL; + }
+#endif
+
+#ifdef _WIN32_
+ if(lib1!=NULL)
+ {
+ FreeLibrary(lib1);
+ lib1 = NULL;
+ }
+ if(lib2!=NULL)
+ {
+ FreeLibrary(lib2);
+ lib2 = NULL;
+ }
+ if(lib3!=NULL)
+ {
+ FreeLibrary(lib3);
+ lib3 = NULL;
+ }
+#endif + + return 1; +} |