//==========helper functions=================
void doTestAll(const char* soFile)
{
ClassLoader *loader = new ClassLoader(soFile);
void *test;
TS_ASSERT_THROWS_NOTHING((TestInterface *)loader->createInstance("TestReader", test));
TS_ASSERT(test != NULL);
if(test) ((TestInterface *)test)->hello();
delete test;
TS_ASSERT_THROWS_NOTHING((TestInterface *)loader->createInstance("TestWriter", test));
TS_ASSERT(test != NULL);
if(test) ((TestInterface *)test)->hello();
delete test;
TS_ASSERT_THROWS_NOTHING((TestInterface *)loader->createInstance("TestTemplate<int>", test));
TS_ASSERT(test != NULL);
if(test) ((TestInterface *)test)->hello();
delete test;
TS_ASSERT_THROWS_NOTHING((TestInterface *)loader->createInstance("TestTemplate<float>", test));
TS_ASSERT(test != NULL);
if(test) ((TestInterface *)test)->hello();
delete test;
TS_ASSERT_THROWS((TestInterface *)loader->createInstance("TestXXX", test),ClassLoaderError);
delete loader;
}
void ClassLoaderTest::testClassLoader3()
{
std::string path = "TestLibrary";
path.append(SharedLibrary::suffix());
ClassLoader<TestPlugin> cl;
cl.loadLibrary(path);
cl.loadLibrary(path);
cl.unloadLibrary(path);
assert (cl.manifestFor(path).size() == 3);
ClassLoader<TestPlugin>::Iterator it = cl.begin();
assert (it != cl.end());
assert (it->first == path);
assert (it->second->size() == 3);
++it;
assert (it == cl.end());
cl.unloadLibrary(path);
assertNullPtr (cl.findManifest(path));
}
void ClassLoaderTest::testClassLoader1()
{
std::string path = "TestLibrary";
path.append(SharedLibrary::suffix());
ClassLoader<TestPlugin> cl;
assert (cl.begin() == cl.end());
assertNullPtr (cl.findClass("PluginA"));
assertNullPtr (cl.findManifest(path));
assert (!cl.isLibraryLoaded(path));
try
{
const ClassLoader<TestPlugin>::Meta& meta = cl.classFor("PluginA");
fail("not found - must throw exception");
}
catch (NotFoundException&)
{
}
catch (...)
{
failmsg("wrong exception");
}
try
{
const ClassLoader<TestPlugin>::Manif& manif = cl.manifestFor(path);
fail("not found - must throw exception");
}
catch (NotFoundException&)
{
}
catch (...)
{
failmsg("wrong exception");
}
}
void ClassLoaderTest::testClassLoader2()
{
std::string path = "TestLibrary";
path.append(SharedLibrary::suffix());
ClassLoader<TestPlugin> cl;
cl.loadLibrary(path);
assert (cl.begin() != cl.end());
assertNotNullPtr (cl.findClass("PluginA"));
assertNotNullPtr (cl.findClass("PluginB"));
assertNotNullPtr (cl.findClass("PluginC"));
assertNotNullPtr (cl.findManifest(path));
assert (cl.isLibraryLoaded(path));
assert (cl.manifestFor(path).size() == 3);
ClassLoader<TestPlugin>::Iterator it = cl.begin();
assert (it != cl.end());
assert (it->first == path);
assert (it->second->size() == 3);
++it;
assert (it == cl.end());
TestPlugin* pPluginA = cl.classFor("PluginA").create();
assert (pPluginA->name() == "PluginA");
assert (!cl.classFor("PluginA").isAutoDelete(pPluginA));
delete pPluginA;
TestPlugin* pPluginB = cl.classFor("PluginB").create();
assert (pPluginB->name() == "PluginB");
delete pPluginB;
pPluginB = cl.create("PluginB");
assert (pPluginB->name() == "PluginB");
delete pPluginB;
assert (cl.canCreate("PluginA"));
assert (cl.canCreate("PluginB"));
assert (!cl.canCreate("PluginC"));
TestPlugin& pluginC = cl.instance("PluginC");
assert (pluginC.name() == "PluginC");
try
{
TestPlugin& plgB = cl.instance("PluginB");
fail("not a singleton - must throw");
}
catch (InvalidAccessException&)
{
}
try
{
TestPlugin* pPluginC = cl.create("PluginC");
fail("cannot create a singleton - must throw");
}
catch (InvalidAccessException&)
{
}
try
{
const AbstractMetaObject<TestPlugin>& meta = cl.classFor("PluginC");
meta.autoDelete(&(meta.instance()));
fail("cannot take ownership of a singleton - must throw");
}
catch (InvalidAccessException&)
{
}
const AbstractMetaObject<TestPlugin>& meta1 = cl.classFor("PluginC");
assert (meta1.isAutoDelete(&(meta1.instance())));
// the following must not produce memory leaks
const AbstractMetaObject<TestPlugin>& meta2 = cl.classFor("PluginA");
meta2.autoDelete(meta2.create());
meta2.autoDelete(meta2.create());
TestPlugin* pPlugin = meta2.create();
meta2.autoDelete(pPlugin);
assert (meta2.isAutoDelete(pPlugin));
meta2.destroy(pPlugin);
assert (!meta2.isAutoDelete(pPlugin));
cl.unloadLibrary(path);
}
/*
* Class: java_lang_VMClassRegistry
* Method: getSystemPackages
* Signature: (I)[[Ljava/lang/String;
*/
JNIEXPORT jobjectArray JNICALL Java_java_lang_VMClassRegistry_getSystemPackages
(JNIEnv *jenv, jclass, jint len)
{
Global_Env* genv = VM_Global_State::loader_env;
ClassLoader* cl = static_cast<ClassLoader*>
(genv->bootstrap_class_loader);
Package_Table* ptab = cl->getPackageTable();
cl->Lock();
unsigned p_num = (unsigned)ptab->size();
if (p_num == (unsigned)len)
{
cl->Unlock();
return NULL;
}
const char ** pkgs = (const char **)STD_MALLOC(p_num * 2 * sizeof(char*));
size_t buf_len = 0;
unsigned index = 0;
for (Package_Table::const_iterator it = ptab->begin(), end = ptab->end();
it != end; ++it)
{
const char* name = pkgs[index++] = (*it).first->bytes;
pkgs[index++] = (*it).second->get_jar();
size_t name_len = (*it).first->len;
if (name_len > buf_len) {
buf_len = name_len;
}
}
cl->Unlock();
jclass string_class = struct_Class_to_java_lang_Class_Handle(genv->JavaLangString_Class);
static Class* aos = genv->LoadCoreClass("[Ljava/lang/String;");
jclass string_array_class = struct_Class_to_java_lang_Class_Handle(aos);
assert(string_class);
assert(string_array_class);
jobjectArray result = NewObjectArray(jenv, p_num, string_array_class, NULL);
if (result)
{
char* buf = (char*)STD_MALLOC(buf_len + 1);
p_num *= 2;
for (index = 0; index < p_num; )
{
jobjectArray pair = NewObjectArray(jenv, 2, string_class, NULL);
if (!pair) {
break;
}
SetObjectArrayElement(jenv, result, index/2, pair);
char* name = strcpy(buf, pkgs[index++]);
for (char* c = name; *c != '\0'; ++c) {
if (*c == '/') {
*c = '.';
}
}
jstring jname = NewStringUTF(jenv, name);
if (!jname) {
break;
}
SetObjectArrayElement(jenv, pair, 0, jname);
const char * jar = pkgs[index++];
if (jar) {
jstring js = NewStringUTF(jenv, jar);
if (!js) break;
SetObjectArrayElement(jenv, pair, 1, js);
}
}
STD_FREE(buf);
}
STD_FREE(pkgs);
assert(result || exn_raised());
return result;
}
JNIEXPORT void JNICALL
Java_java_lang_ClassLoader_registerInitiatedClass(JNIEnv* env, jobject loader, jclass clazz) {
ClassLoader* cl = class_loader_lookup(loader);
Class* clss = jclass_to_struct_Class(clazz);
cl->InsertInitiatedClass(clss);
}
Object AbstractContextI::lookupObjectFactory(const String& name,
bool& createdbyfactory,
String& redirectedname) const throw (NamingException)
{
try
{
redirectedname = name;
createdbyfactory = false;
Object object = lookupWithSyntaxCheck(name, false);
StringAnything referencelink;
if (object->instanceOf(referencelink))
{
if (isBound(referencelink->toString()))
{
object = lookupURL(referencelink->toString());
redirectedname = referencelink->toString();
}
}
MapAnything objectfactory;
if (object->instanceOf(objectfactory))
{
if (objectfactory->containsKey(L"class") && objectfactory->containsKey(L"library"))
{
bool load = true;
if (objectfactory->containsKey(L"load")) load = objectfactory->get(L"load");
if (load)
{
ClassLoader classloader;
String clazzname = objectfactory->get(L"class");
Anything library = objectfactory->get(L"library");
if (Anything::ANY_STRING == library->type())
{
StringBuffer buf = library->toString();
if (0 == buf->indexOf(L"http://"))
{
classloader = new URLClassLoaderI();
}
else
{
classloader = new ClassLoaderI();
}
classloader->loadLibrary(library);
}
else
{
if (Anything::ANY_LIST == library->type())
{
classloader = new URLClassLoaderI();
Iterator<Anything> i = library->iterator();
while (i->hasNext())
{
String library = i->next();
classloader->loadLibrary(library);
}
}
}
object = classloader->loadClass(clazzname)->newInstance();
const_cast<AbstractContextI*>(this)->rebind(name, object);
createdbyfactory = true;
const_cast<AbstractContextI*>(this)->bind(
name + L"/" + name->toMD5(), new StringAnythingI(redirectedname));
}
}
}
else
{
createdbyfactory = isBound(name + L"/" + name->toMD5());
if (createdbyfactory) redirectedname = lookup(name + L"/" + name->toMD5())->toString();
}
return object;
}
catch (const NamingException&)
{
throw;
}
catch (const Exception& e)
{
throw NamingException(WITHDETAILS(e->toString()));;
}
}