extern "C" NS_EXPORT void JNICALL
XPCOM_NATIVE(shutdownXPCOM) (JNIEnv *env, jobject, jobject aServMgr)
{
nsresult rv;
nsIServiceManager* servMgr = nullptr;
if (aServMgr) {
// Get native XPCOM instance
nsISupports* instancePtr = nullptr;
rv = JavaObjectToNativeInterface(env, aServMgr,
NS_GET_IID(nsIServiceManager), (void**) &instancePtr);
NS_ASSERTION(NS_SUCCEEDED(rv) && instancePtr != nullptr,
"Failed to get XPCOM obj for ServiceMgr.");
if (NS_SUCCEEDED(rv)) {
rv = instancePtr->QueryInterface(NS_GET_IID(nsIServiceManager),
(void**) &servMgr);
NS_ASSERTION(NS_SUCCEEDED(rv), "QI for nsIServiceManager failed");
}
// Even if we failed to get the matching xpcom object, we don't abort this
// function. Just call NS_ShutdownXPCOM with a null service manager.
}
// Free globals before calling NS_ShutdownXPCOM(), since we need some
// XPCOM services.
FreeJavaGlobals(env);
rv = NS_ShutdownXPCOM(servMgr);
if (NS_FAILED(rv))
ThrowException(env, rv, "NS_ShutdownXPCOM failed");
}
extern "C" NS_EXPORT void JNICALL
GRE_NATIVE(termEmbedding) (JNIEnv *env, jobject)
{
// Free globals before calling XRE_TermEmbedding(), since we need some
// XPCOM services.
FreeJavaGlobals(env);
XRE_TermEmbedding();
}
extern "C" NS_EXPORT void JNICALL
GRE_NATIVE(initEmbedding) (JNIEnv* env, jobject, jobject aLibXULDirectory,
jobject aAppDirectory, jobject aAppDirProvider)
{
nsresult rv = InitEmbedding_Impl(env, aLibXULDirectory, aAppDirectory,
aAppDirProvider);
if (NS_FAILED(rv)) {
ThrowException(env, rv, "Failure in initEmbedding");
FreeJavaGlobals(env);
}
}
extern "C" NS_EXPORT jobject JNICALL
XPCOM_NATIVE(initXPCOMNative) (JNIEnv* env, jobject, jobject aMozBinDirectory,
jobject aAppFileLocProvider)
{
jobject servMan;
nsresult rv = InitXPCOM_Impl(env, aMozBinDirectory, aAppFileLocProvider,
&servMan);
if (NS_SUCCEEDED(rv))
return servMan;
ThrowException(env, rv, "Failure in initXPCOM");
FreeJavaGlobals(env);
return nullptr;
}
/******************************
* InitializeJavaGlobals
******************************/
PRBool
InitializeJavaGlobals(JNIEnv *env)
{
if (gJavaXPCOMInitialized)
return PR_TRUE;
// Save pointer to JavaVM, which is valid across threads.
jint rc = env->GetJavaVM(&gCachedJVM);
if (rc != 0) {
NS_WARNING("Failed to get JavaVM");
goto init_error;
}
jclass clazz;
if (!(clazz = env->FindClass("java/lang/System")) ||
!(systemClass = (jclass) env->NewGlobalRef(clazz)) ||
!(hashCodeMID = env->GetStaticMethodID(clazz, "identityHashCode",
"(Ljava/lang/Object;)I")))
{
NS_WARNING("Problem creating java.lang.System globals");
goto init_error;
}
if (!(clazz = env->FindClass("java/lang/Boolean")) ||
!(booleanClass = (jclass) env->NewGlobalRef(clazz)) ||
!(booleanValueMID = env->GetMethodID(clazz, "booleanValue", "()Z")) ||
!(booleanInitMID = env->GetMethodID(clazz, "<init>", "(Z)V")))
{
NS_WARNING("Problem creating java.lang.Boolean globals");
goto init_error;
}
if (!(clazz = env->FindClass("java/lang/Character")) ||
!(charClass = (jclass) env->NewGlobalRef(clazz)) ||
!(charValueMID = env->GetMethodID(clazz, "charValue", "()C")) ||
!(charInitMID = env->GetMethodID(clazz, "<init>", "(C)V")))
{
NS_WARNING("Problem creating java.lang.Character globals");
goto init_error;
}
if (!(clazz = env->FindClass("java/lang/Byte")) ||
!(byteClass = (jclass) env->NewGlobalRef(clazz)) ||
!(byteValueMID = env->GetMethodID(clazz, "byteValue", "()B")) ||
!(byteInitMID = env->GetMethodID(clazz, "<init>", "(B)V")))
{
NS_WARNING("Problem creating java.lang.Byte globals");
goto init_error;
}
if (!(clazz = env->FindClass("java/lang/Short")) ||
!(shortClass = (jclass) env->NewGlobalRef(clazz)) ||
!(shortValueMID = env->GetMethodID(clazz, "shortValue", "()S")) ||
!(shortInitMID = env->GetMethodID(clazz, "<init>", "(S)V")))
{
NS_WARNING("Problem creating java.lang.Short globals");
goto init_error;
}
if (!(clazz = env->FindClass("java/lang/Integer")) ||
!(intClass = (jclass) env->NewGlobalRef(clazz)) ||
!(intValueMID = env->GetMethodID(clazz, "intValue", "()I")) ||
!(intInitMID = env->GetMethodID(clazz, "<init>", "(I)V")))
{
NS_WARNING("Problem creating java.lang.Integer globals");
goto init_error;
}
if (!(clazz = env->FindClass("java/lang/Long")) ||
!(longClass = (jclass) env->NewGlobalRef(clazz)) ||
!(longValueMID = env->GetMethodID(clazz, "longValue", "()J")) ||
!(longInitMID = env->GetMethodID(clazz, "<init>", "(J)V")))
{
NS_WARNING("Problem creating java.lang.Long globals");
goto init_error;
}
if (!(clazz = env->FindClass("java/lang/Float")) ||
!(floatClass = (jclass) env->NewGlobalRef(clazz)) ||
!(floatValueMID = env->GetMethodID(clazz, "floatValue", "()F")) ||
!(floatInitMID = env->GetMethodID(clazz, "<init>", "(F)V")))
{
NS_WARNING("Problem creating java.lang.Float globals");
goto init_error;
}
if (!(clazz = env->FindClass("java/lang/Double")) ||
!(doubleClass = (jclass) env->NewGlobalRef(clazz)) ||
!(doubleValueMID = env->GetMethodID(clazz, "doubleValue", "()D")) ||
!(doubleInitMID = env->GetMethodID(clazz, "<init>", "(D)V")))
{
NS_WARNING("Problem creating java.lang.Double globals");
goto init_error;
}
if (!(clazz = env->FindClass("java/lang/String")) ||
!(stringClass = (jclass) env->NewGlobalRef(clazz)))
{
NS_WARNING("Problem creating java.lang.String globals");
goto init_error;
}
if (!(clazz = env->FindClass("org/mozilla/interfaces/nsISupports")) ||
!(nsISupportsClass = (jclass) env->NewGlobalRef(clazz)))
{
NS_WARNING("Problem creating org.mozilla.interfaces.nsISupports globals");
goto init_error;
}
if (!(clazz = env->FindClass("org/mozilla/xpcom/XPCOMException")) ||
!(xpcomExceptionClass = (jclass) env->NewGlobalRef(clazz)))
{
NS_WARNING("Problem creating org.mozilla.xpcom.XPCOMException globals");
goto init_error;
}
if (!(clazz = env->FindClass("org/mozilla/xpcom/internal/XPCOMJavaProxy")) ||
!(xpcomJavaProxyClass = (jclass) env->NewGlobalRef(clazz)) ||
!(createProxyMID = env->GetStaticMethodID(clazz, "createProxy",
"(Ljava/lang/Class;J)Ljava/lang/Object;")) ||
!(isXPCOMJavaProxyMID = env->GetStaticMethodID(clazz, "isXPCOMJavaProxy",
"(Ljava/lang/Object;)Z")) ||
!(getNativeXPCOMInstMID = env->GetStaticMethodID(xpcomJavaProxyClass,
"getNativeXPCOMInstance",
"(Ljava/lang/Object;)J")))
{
NS_WARNING("Problem creating org.mozilla.xpcom.internal.XPCOMJavaProxy globals");
goto init_error;
}
if (!(clazz = env->FindClass("java/lang/ref/WeakReference")) ||
!(weakReferenceClass = (jclass) env->NewGlobalRef(clazz)) ||
!(weakReferenceConstructorMID = env->GetMethodID(weakReferenceClass,
"<init>","(Ljava/lang/Object;)V")) ||
!(getReferentMID = env->GetMethodID(weakReferenceClass,
"get", "()Ljava/lang/Object;")) ||
!(clearReferentMID = env->GetMethodID(weakReferenceClass,
"clear", "()V")))
{
NS_WARNING("Problem creating java.lang.ref.WeakReference globals");
goto init_error;
}
if (!(clazz = env->FindClass("org/mozilla/xpcom/internal/JavaXPCOMMethods")) ||
!(javaXPCOMUtilsClass = (jclass) env->NewGlobalRef(clazz)) ||
!(findClassInLoaderMID = env->GetStaticMethodID(clazz,
"findClassInLoader",
"(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Class;")))
{
NS_WARNING("Problem creating org.mozilla.xpcom.internal.JavaXPCOMMethods globals");
goto init_error;
}
#ifdef DEBUG_JAVAXPCOM
if (!(clazz = env->FindClass("java/lang/Class")) ||
!(getNameMID = env->GetMethodID(clazz, "getName","()Ljava/lang/String;")))
{
NS_WARNING("Problem creating java.lang.Class globals");
goto init_error;
}
if (!(proxyToStringMID = env->GetStaticMethodID(xpcomJavaProxyClass,
"proxyToString",
"(Ljava/lang/Object;)Ljava/lang/String;")))
{
NS_WARNING("Problem creating proxyToString global");
goto init_error;
}
#endif
gNativeToJavaProxyMap = new NativeToJavaProxyMap();
if (!gNativeToJavaProxyMap || NS_FAILED(gNativeToJavaProxyMap->Init())) {
NS_WARNING("Problem creating NativeToJavaProxyMap");
goto init_error;
}
gJavaToXPTCStubMap = new JavaToXPTCStubMap();
if (!gJavaToXPTCStubMap || NS_FAILED(gJavaToXPTCStubMap->Init())) {
NS_WARNING("Problem creating JavaToXPTCStubMap");
goto init_error;
}
{
nsresult rv = NS_OK;
PRUint32 size = NS_ARRAY_LENGTH(kJavaKeywords);
gJavaKeywords = new nsTHashtable<nsDepCharHashKey>();
if (!gJavaKeywords || NS_FAILED(gJavaKeywords->Init(size))) {
NS_WARNING("Failed to init JavaKeywords HashSet");
goto init_error;
}
for (PRUint32 i = 0; i < size && NS_SUCCEEDED(rv); i++) {
if (!gJavaKeywords->PutEntry(kJavaKeywords[i])) {
rv = NS_ERROR_OUT_OF_MEMORY;
}
}
if (NS_FAILED(rv)) {
NS_WARNING("Failed to populate JavaKeywords hash");
goto init_error;
}
}
gJavaXPCOMLock = PR_NewLock();
gJavaXPCOMInitialized = PR_TRUE;
return PR_TRUE;
init_error:
// If we encounter an error during initialization, then free any globals that
// were allocated, and return false.
FreeJavaGlobals(env);
return PR_FALSE;
}
