#include <sys/utsname.h>

extern "C" {

void setProperty(Jnjvm* vm, JavaObject* prop, const char* key,
                 const char* val) {

  JavaString* Val = 0;
  JavaString* Key = 0;
  llvm_gcroot(prop, 0);
  llvm_gcroot(Val, 0);
  llvm_gcroot(Key, 0);

  Val = vm->asciizToStr(val);
  Key = vm->asciizToStr(key);

  vm->upcalls->setProperty->invokeIntSpecial(
      vm, (UserClass*)JavaObject::getClass(prop), prop, &Key, &Val);
}

void setUnameProp(Jnjvm* vm, JavaObject* prop) {

  llvm_gcroot(prop, 0);

  struct utsname infos;
  uname(&infos);
  setProperty(vm, prop, "os.name", infos.sysname);
  setProperty(vm, prop, "os.arch", infos.machine);
  setProperty(vm, prop, "os.version", infos.release);
  if (!strcmp(infos.machine, "ppc")) {
    setProperty(vm, prop, "gnu.cpu.endian","big");
  } else {
    setProperty(vm, prop, "gnu.cpu.endian","little");
  }
}
void setProperties(JavaObject * prop) {
  llvm_gcroot(prop, 0);
  Jnjvm* vm = JavaThread::get()->getJVM();
  const char* tmp;
  setProperty(vm, prop, "java.vm.specification.version", "1.0");
  setProperty(vm, prop, "java.vm.specification.vendor",
              "Sun Microsystems, Inc");
  setProperty(vm, prop, "java.vm.specification.name",
              "Java Virtual Machine Specification");
  setProperty(vm, prop, "java.specification.version", "1.5");
  setProperty(vm, prop, "java.specification.vendor", "Sun Microsystems, Inc");
  setProperty(vm, prop, "java.specification.name",
              "Java Platform API Specification");
  setProperty(vm, prop, "java.version", "1.5");
  setProperty(vm, prop, "java.runtime.version", "1.5");
  setProperty(vm, prop, "java.vendor", "The VMKit Project");
  setProperty(vm, prop, "java.vendor.url", "http://vmkit.llvm.org");

  tmp = getenv("JAVA_HOME");
  if (!tmp) tmp = "";
  setProperty(vm, prop, "java.home", tmp);

  JnjvmBootstrapLoader* JCL = vm->bootstrapLoader;
  setProperty(vm, prop, "java.class.version", "49.0");
  setProperty(vm, prop, "java.class.path", vm->classpath);
  setProperty(vm, prop, "java.boot.class.path", JCL->bootClasspathEnv);
  setProperty(vm, prop, "sun.boot.class.path", JCL->bootClasspathEnv);
  setProperty(vm, prop, "java.vm.version", "0.28");
  setProperty(vm, prop, "java.vm.vendor", "The VMKit Project");
  setProperty(vm, prop, "java.vm.name", "J3");
  setProperty(vm, prop, "java.specification.version", "1.5");
  setProperty(vm, prop, "java.io.tmpdir", "/tmp");


  setProperty(vm, prop, "build.compiler", "gcj");
  setProperty(vm, prop, "gcj.class.path", JCL->bootClasspathEnv);
  setProperty(vm, prop, "gnu.classpath.boot.library.path",
              JCL->libClasspathEnv);
  //setProperty(vm, prop, "java.library.path", TODO: getenv("LD_LIBRARY_PATH"))
  setProperty(vm, prop, "sun.boot.library.path", JCL->libClasspathEnv);

  // Align behavior with GNU Classpath for now, to pass mauve test
  setProperty(vm, prop, "sun.lang.ClassLoader.allowArraySyntax", "true");

  setUnameProp(vm, prop);

  setProperty(vm, prop, "file.separator", vm->dirSeparator);
  setProperty(vm, prop, "path.separator", vm->envSeparator);
  setProperty(vm, prop, "line.separator", "\n");

  tmp = getenv("USERNAME");
  if (!tmp) tmp = getenv("LOGNAME");
  if (!tmp) tmp = getenv("NAME");
  if (!tmp) tmp = "";
  setProperty(vm, prop, "user.name", tmp);

  tmp  = getenv("HOME");
  if (!tmp) tmp = "";
  setProperty(vm, prop, "user.home", tmp);

  tmp = getenv("PWD");
  if (!tmp) tmp = "";
  setProperty(vm, prop, "user.dir", tmp);

  // Disable this property. The Classpath iconv implementation is really
  // not optimized (it over-abuses JNI calls).
  //setProperty(vm, prop, "gnu.classpath.nio.charset.provider.iconv", "true");
  setProperty(vm, prop, "file.encoding", "ISO8859_1");
  setProperty(vm, prop, "gnu.java.util.zoneinfo.dir", "/usr/share/zoneinfo");
}

void setCommandLineProperties(JavaObject * prop) {
  llvm_gcroot(prop, 0);
  Jnjvm* vm = JavaThread::get()->getJVM();
  for (std::vector<std::pair<char*, char*> >::iterator i =
       vm->postProperties.begin(), e = vm->postProperties.end(); i!= e; i++) {
    setProperty(vm, prop, i->first, i->second);
  }

}
}