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Bug 279649 - Dynamically create Java proxies. r=darin.
Original committer: pedemont%us.ibm.com Original revision: 1.27 Original date: 2005/02/23 20:19:55
This commit is contained in:
pedemont%us.ibm.com
parent
625f4a34c4
commit
0d71d28605
@ -47,26 +47,47 @@
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/* Java JNI globals */
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jclass booleanClass = nsnull;
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jclass charClass = nsnull;
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jclass byteClass = nsnull;
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jclass shortClass = nsnull;
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jclass intClass = nsnull;
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jclass longClass = nsnull;
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jclass floatClass = nsnull;
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jclass doubleClass = nsnull;
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jclass stringClass = nsnull;
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jclass nsISupportsClass = nsnull;
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jclass xpcomExceptionClass = nsnull;
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jclass xpcomJavaProxyClass = nsnull;
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jmethodID hashCodeMID = nsnull;
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jmethodID booleanValueMID = nsnull;
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jmethodID booleanInitMID = nsnull;
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jmethodID charValueMID = nsnull;
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jmethodID charInitMID = nsnull;
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jmethodID byteValueMID = nsnull;
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jmethodID byteInitMID = nsnull;
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jmethodID shortValueMID = nsnull;
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jmethodID shortInitMID = nsnull;
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jmethodID intValueMID = nsnull;
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jmethodID intInitMID = nsnull;
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jmethodID longValueMID = nsnull;
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jmethodID longInitMID = nsnull;
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jmethodID floatValueMID = nsnull;
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jmethodID floatInitMID = nsnull;
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jmethodID doubleValueMID = nsnull;
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jmethodID doubleInitMID = nsnull;
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jmethodID createProxyMID = nsnull;
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jmethodID isXPCOMJavaProxyMID = nsnull;
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jmethodID getNativeXPCOMInstMID = nsnull;
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#ifdef DEBUG
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#ifdef DEBUG_JAVAXPCOM
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jmethodID getNameMID = nsnull;
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jmethodID proxyToStringMID = nsnull;
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#endif
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nsJavaXPCOMBindings* gBindings = nsnull;
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PRBool gJavaXPCOMInitialized = PR_FALSE;
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PRLock* gJavaXPCOMLock = nsnull;
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/**************************************
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@ -274,7 +295,7 @@ nsJavaXPCOMBindings::GetXPCOMObject(JNIEnv* env, jobject aJavaObject)
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PL_DHASH_LOOKUP));
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if (PL_DHASH_ENTRY_IS_BUSY(entry)) {
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#ifdef DEBUG_pedemonte
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#ifdef DEBUG_JAVAXPCOM
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void* xpcomObjKey = nsnull;
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if (IsXPTCStub(entry->mXPCOMInstance))
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xpcomObjKey = GetXPTCStubAddr(entry->mXPCOMInstance);
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@ -331,7 +352,7 @@ nsJavaXPCOMBindings::GetJavaObject(JNIEnv* env, void* aXPCOMObject,
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NS_RELEASE(xpcom_obj); // Owning ref passed on
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}
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#ifdef DEBUG_pedemonte
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#ifdef DEBUG_JAVAXPCOM
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if (*aResult) {
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LOG(("< Get Java<->XPCOM binding (Java=0x%08x | XPCOM=0x%08x)\n",
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env->CallIntMethod(*aResult, hashCodeMID), (int) aXPCOMObject));
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@ -348,96 +369,148 @@ nsJavaXPCOMBindings::GetJavaObject(JNIEnv* env, void* aXPCOMObject,
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PRBool
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InitializeJavaGlobals(JNIEnv *env)
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{
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if (gJavaXPCOMInitialized)
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if (gJavaXPCOMLock)
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return PR_TRUE;
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jclass clazz;
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if (!(clazz = env->FindClass("java/lang/Object")) ||
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!(hashCodeMID = env->GetMethodID(clazz, "hashCode","()I")))
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{
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NS_WARNING("Problem creating java.lang.Object globals");
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goto init_error;
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}
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if (!(clazz = env->FindClass("java/lang/Boolean")) ||
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!(booleanValueMID = env->GetMethodID(clazz,"booleanValue","()Z")))
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!(booleanClass = (jclass) env->NewGlobalRef(clazz)) ||
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!(booleanValueMID = env->GetMethodID(clazz, "booleanValue", "()Z")) ||
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!(booleanInitMID = env->GetMethodID(clazz, "<init>", "(Z)V")))
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{
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NS_WARNING("Problem creating java.lang.Boolean globals");
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goto init_error;
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}
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if (!(clazz = env->FindClass("java/lang/Character")) ||
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!(charValueMID = env->GetMethodID(clazz,"charValue","()C")))
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!(charClass = (jclass) env->NewGlobalRef(clazz)) ||
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!(charValueMID = env->GetMethodID(clazz, "charValue", "()C")) ||
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!(charInitMID = env->GetMethodID(clazz, "<init>", "(C)V")))
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{
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NS_WARNING("Problem creating java.lang.Character globals");
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goto init_error;
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}
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if (!(clazz = env->FindClass("java/lang/Byte")) ||
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!(byteValueMID = env->GetMethodID(clazz,"byteValue","()B")))
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!(byteClass = (jclass) env->NewGlobalRef(clazz)) ||
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!(byteValueMID = env->GetMethodID(clazz, "byteValue", "()B")) ||
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!(byteInitMID = env->GetMethodID(clazz, "<init>", "(B)V")))
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{
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NS_WARNING("Problem creating java.lang.Byte globals");
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goto init_error;
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}
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if (!(clazz = env->FindClass("java/lang/Short")) ||
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!(shortValueMID = env->GetMethodID(clazz,"shortValue","()S")))
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!(shortClass = (jclass) env->NewGlobalRef(clazz)) ||
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!(shortValueMID = env->GetMethodID(clazz, "shortValue", "()S")) ||
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!(shortInitMID = env->GetMethodID(clazz, "<init>", "(S)V")))
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{
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NS_WARNING("Problem creating java.lang.Short globals");
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goto init_error;
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}
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if (!(clazz = env->FindClass("java/lang/Integer")) ||
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!(intValueMID = env->GetMethodID(clazz,"intValue","()I")))
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!(intClass = (jclass) env->NewGlobalRef(clazz)) ||
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!(intValueMID = env->GetMethodID(clazz, "intValue", "()I")) ||
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!(intInitMID = env->GetMethodID(clazz, "<init>", "(I)V")))
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{
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NS_WARNING("Problem creating java.lang.Integer globals");
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goto init_error;
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}
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if (!(clazz = env->FindClass("java/lang/Long")) ||
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!(longValueMID = env->GetMethodID(clazz,"longValue","()J")))
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!(longClass = (jclass) env->NewGlobalRef(clazz)) ||
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!(longValueMID = env->GetMethodID(clazz, "longValue", "()J")) ||
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!(longInitMID = env->GetMethodID(clazz, "<init>", "(J)V")))
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{
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NS_WARNING("Problem creating java.lang.Long globals");
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goto init_error;
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}
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if (!(clazz = env->FindClass("java/lang/Float")) ||
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!(floatValueMID = env->GetMethodID(clazz,"floatValue","()F")))
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!(floatClass = (jclass) env->NewGlobalRef(clazz)) ||
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!(floatValueMID = env->GetMethodID(clazz, "floatValue", "()F")) ||
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!(floatInitMID = env->GetMethodID(clazz, "<init>", "(F)V")))
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{
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NS_WARNING("Problem creating java.lang.Float globals");
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goto init_error;
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}
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if (!(clazz = env->FindClass("java/lang/Double")) ||
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!(doubleValueMID = env->GetMethodID(clazz,"doubleValue","()D")))
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!(doubleClass = (jclass) env->NewGlobalRef(clazz)) ||
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!(doubleValueMID = env->GetMethodID(clazz, "doubleValue", "()D")) ||
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!(doubleInitMID = env->GetMethodID(clazz, "<init>", "(D)V")))
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{
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NS_WARNING("Problem creating java.lang.Double globals");
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goto init_error;
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}
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if (!(clazz = env->FindClass("java/lang/String")) ||
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!(stringClass = (jclass) env->NewGlobalRef(clazz)))
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{
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NS_WARNING("Problem creating java.lang.String globals");
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goto init_error;
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}
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if (!(clazz = env->FindClass("org/mozilla/xpcom/nsISupports")) ||
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!(nsISupportsClass = (jclass) env->NewGlobalRef(clazz)))
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{
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NS_WARNING("Problem creating org.mozilla.xpcom.nsISupports globals");
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goto init_error;
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}
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if (!(clazz = env->FindClass("org/mozilla/xpcom/XPCOMException")) ||
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!(xpcomExceptionClass = (jclass) env->NewGlobalRef(clazz)))
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{
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NS_WARNING("Problem creating org.mozilla.xpcom.XPCOMException globals");
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goto init_error;
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}
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#ifdef DEBUG
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if (!(clazz = env->FindClass("org/mozilla/xpcom/XPCOMJavaProxy")) ||
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!(xpcomJavaProxyClass = (jclass) env->NewGlobalRef(clazz)) ||
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!(createProxyMID = env->GetStaticMethodID(clazz, "createProxy",
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"(Ljava/lang/Class;J)Ljava/lang/Object;")) ||
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!(isXPCOMJavaProxyMID = env->GetStaticMethodID(clazz, "isXPCOMJavaProxy",
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"(Ljava/lang/Object;)Z")) ||
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!(getNativeXPCOMInstMID = env->GetStaticMethodID(xpcomJavaProxyClass,
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"getNativeXPCOMInstance",
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"(Ljava/lang/Object;)J")))
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{
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NS_WARNING("Problem creating org.mozilla.xpcom.XPCOMJavaProxy globals");
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goto init_error;
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}
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#ifdef DEBUG_JAVAXPCOM
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if (!(clazz = env->FindClass("java/lang/Class")) ||
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!(getNameMID = env->GetMethodID(clazz, "getName","()Ljava/lang/String;")))
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{
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NS_WARNING("Problem creating java.lang.Class globals");
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goto init_error;
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}
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if (!(proxyToStringMID = env->GetStaticMethodID(xpcomJavaProxyClass,
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"proxyToString",
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"(Ljava/lang/Object;)Ljava/lang/String;")))
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{
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NS_WARNING("Problem creating proxyToString global");
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goto init_error;
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}
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#endif
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gBindings = new nsJavaXPCOMBindings();
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if (NS_FAILED(gBindings->Init())) {
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NS_WARNING("Problem creating JavaXPCOMBindings");
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goto init_error;
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}
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gJavaXPCOMInitialized = PR_TRUE;
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gJavaXPCOMLock = PR_NewLock();
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return PR_TRUE;
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init_error:
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@ -453,6 +526,40 @@ init_error:
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void
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FreeJavaGlobals(JNIEnv* env)
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{
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PR_Lock(gJavaXPCOMLock);
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if (booleanClass) {
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env->DeleteGlobalRef(booleanClass);
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booleanClass = nsnull;
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}
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if (charClass) {
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env->DeleteGlobalRef(charClass);
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charClass = nsnull;
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}
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if (byteClass) {
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env->DeleteGlobalRef(byteClass);
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byteClass = nsnull;
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}
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if (shortClass) {
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env->DeleteGlobalRef(shortClass);
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shortClass = nsnull;
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}
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if (intClass) {
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env->DeleteGlobalRef(intClass);
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intClass = nsnull;
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}
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if (longClass) {
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env->DeleteGlobalRef(longClass);
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longClass = nsnull;
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}
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if (floatClass) {
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env->DeleteGlobalRef(floatClass);
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floatClass = nsnull;
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}
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if (doubleClass) {
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env->DeleteGlobalRef(doubleClass);
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doubleClass = nsnull;
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}
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if (stringClass) {
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env->DeleteGlobalRef(stringClass);
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stringClass = nsnull;
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@ -465,13 +572,19 @@ FreeJavaGlobals(JNIEnv* env)
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env->DeleteGlobalRef(xpcomExceptionClass);
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xpcomExceptionClass = nsnull;
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}
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if (xpcomJavaProxyClass) {
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env->DeleteGlobalRef(xpcomJavaProxyClass);
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xpcomJavaProxyClass = nsnull;
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}
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if (gBindings) {
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delete gBindings;
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gBindings = nsnull;
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}
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gJavaXPCOMInitialized = PR_FALSE;
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PR_Unlock(gJavaXPCOMLock);
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PR_DestroyLock(gJavaXPCOMLock);
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gJavaXPCOMLock = nsnull;
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}
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@ -484,14 +597,18 @@ JavaXPCOMInstance::JavaXPCOMInstance(nsISupports* aInstance,
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mIInfo(aIInfo)
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{
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NS_ADDREF(mInstance);
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NS_ADDREF(mIInfo);
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}
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JavaXPCOMInstance::~JavaXPCOMInstance()
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{
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// Need to release these objects on the main thread.
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nsCOMPtr<nsIEventQueue> eventQ;
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nsresult rv = NS_GetMainEventQ(getter_AddRefs(eventQ));
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if (NS_SUCCEEDED(rv))
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if (NS_SUCCEEDED(rv)) {
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rv = NS_ProxyRelease(eventQ, mInstance);
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rv += NS_ProxyRelease(eventQ, mIInfo);
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}
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NS_ASSERTION(NS_SUCCEEDED(rv), "Failed to release using NS_ProxyRelease");
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}
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