mirror of
https://github.com/corda/corda.git
synced 2025-01-07 13:38:47 +00:00
102 lines
2.6 KiB
C++
102 lines
2.6 KiB
C++
/* Copyright (c) 2008-2014, Avian Contributors
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Permission to use, copy, modify, and/or distribute this software
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for any purpose with or without fee is hereby granted, provided
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that the above copyright notice and this permission notice appear
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in all copies.
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There is NO WARRANTY for this software. See license.txt for
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details. */
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#include <windows.h>
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#include <tchar.h>
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#include <stdint.h>
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#include "avian/embed.h"
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#include "avian/common.h"
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#include "jni.h"
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extern "C" {
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// since we aren't linking against libstdc++, we must implement this
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// ourselves:
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void __cxa_pure_virtual(void) { abort(); }
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AVIAN_EXPORT const uint8_t*
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bootJar(unsigned* size)
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{
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if(HRSRC hResInfo = FindResourceW(NULL, RESID_BOOT_JAR, reinterpret_cast<LPCWSTR>(RT_RCDATA)))
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{
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if(HGLOBAL hRes = LoadResource(NULL, hResInfo))
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{
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*size = SizeofResource(NULL, hResInfo);
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return (const uint8_t*)LockResource(hRes);
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}
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}
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fprintf(stderr, "boot.jar resource not found\n");
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*size = 0;
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return NULL;
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}
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} // extern "C"
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static void getMainClass(char* pName, int maxLen)
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{
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if(0 == LoadString(NULL, RESID_MAIN_CLASS, pName, maxLen))
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{
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fprintf(stderr, "Main class not specified\n");
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strcpy(pName, "Main");
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}
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}
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int
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main(int ac, const char** av)
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{
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JavaVMInitArgs vmArgs;
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vmArgs.version = JNI_VERSION_1_2;
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vmArgs.nOptions = 1;
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vmArgs.ignoreUnrecognized = JNI_TRUE;
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JavaVMOption options[1];
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vmArgs.options = options;
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options[0].optionString = const_cast<char*>("-Xbootclasspath:[bootJar]");
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JavaVM* vm;
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void* env;
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JNI_CreateJavaVM(&vm, &env, &vmArgs);
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JNIEnv* e = static_cast<JNIEnv*>(env);
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char mainClass[256];
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getMainClass(mainClass, sizeof(mainClass));
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jclass c = e->FindClass(mainClass);
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if (not e->ExceptionCheck()) {
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jmethodID m = e->GetStaticMethodID(c, "main", "([Ljava/lang/String;)V");
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if (not e->ExceptionCheck()) {
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jclass stringClass = e->FindClass("java/lang/String");
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if (not e->ExceptionCheck()) {
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jobjectArray a = e->NewObjectArray(ac-1, stringClass, 0);
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if (not e->ExceptionCheck()) {
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for (int i = 1; i < ac; ++i) {
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e->SetObjectArrayElement(a, i-1, e->NewStringUTF(av[i]));
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}
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e->CallStaticVoidMethod(c, m, a);
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} else fprintf(stderr, "Couldn't create array\n");
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} else fprintf(stderr, "java.lang.String not found\n");
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} else fprintf(stderr, "main method not found\n");
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} else fprintf(stderr, "Main class not found\n");
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int exitCode = 0;
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if(e->ExceptionCheck()) {
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exitCode = -1;
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e->ExceptionDescribe();
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e->ExceptionClear();
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}
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vm->DestroyJavaVM();
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return exitCode;
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}
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