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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "JNIHelp.h"
static jobject java_io_osc_getFieldSignature(JNIEnv * env, jclass clazz,
jobject reflectField) {
jclass lookupClass;
jmethodID mid;
lookupClass = (*env)->FindClass(env, "java/lang/reflect/Field");
if(!lookupClass) {
return NULL;
}
mid = (*env)->GetMethodID(env, lookupClass, "getSignature",
"()Ljava/lang/String;");
if(!mid)
{
return NULL;
}
jclass fieldClass = (*env)->GetObjectClass(env, reflectField);
return (*env)->CallNonvirtualObjectMethod(env, reflectField,
fieldClass, mid);
}
static jobject java_io_osc_getMethodSignature(JNIEnv * env, jclass clazz,
jobject reflectMethod)
{
jclass lookupClass;
jmethodID mid;
lookupClass = (*env)->FindClass(env, "java/lang/reflect/Method");
if(!lookupClass) {
return NULL;
}
mid = (*env)->GetMethodID(env, lookupClass, "getSignature",
"()Ljava/lang/String;");
if(!mid) {
return NULL;
}
jclass methodClass = (*env)->GetObjectClass(env, reflectMethod);
return (*env)->CallNonvirtualObjectMethod(env, reflectMethod,
methodClass, mid);
}
static jobject java_io_osc_getConstructorSignature(JNIEnv * env,
jclass clazz,
jobject
reflectConstructor)
{
jclass lookupClass;
jmethodID mid;
lookupClass = (*env)->FindClass(env, "java/lang/reflect/Constructor");
if(!lookupClass) {
return NULL;
}
mid = (*env)->GetMethodID(env, lookupClass, "getSignature",
"()Ljava/lang/String;");
if(!mid) {
return NULL;
}
jclass constructorClass = (*env)->GetObjectClass(env, reflectConstructor);
return (*env)->CallNonvirtualObjectMethod(env, reflectConstructor,
constructorClass, mid);
}
static jboolean java_io_osc_hasClinit(JNIEnv * env, jclass clazz,
jobject targetClass) {
jmethodID mid = (*env)->GetStaticMethodID(env, targetClass,
"<clinit>", "()V");
(*env)->ExceptionClear(env);
/*
* Can I just return mid and rely on typecast to convert to jboolean ?
* Safe implementation for now
*/
if(mid == 0) {
/* No <clinit>... */
return (jboolean) 0;
} else {
return (jboolean) 1;
}
}
static void java_io_osc_oneTimeInitialization(JNIEnv * env, jclass clazz) {
// dummy to stay compatible to harmony
}
static JNINativeMethod gMethods[] = {
{ "getFieldSignature",
"(Ljava/lang/reflect/Field;)Ljava/lang/String;",
(void*) java_io_osc_getFieldSignature },
{ "getMethodSignature",
"(Ljava/lang/reflect/Method;)Ljava/lang/String;",
(void*) java_io_osc_getMethodSignature },
{ "getConstructorSignature",
"(Ljava/lang/reflect/Constructor;)Ljava/lang/String;",
(void*) java_io_osc_getConstructorSignature },
{ "hasClinit", "(Ljava/lang/Class;)Z",
(void*) java_io_osc_hasClinit },
{ "oneTimeInitialization", "()V",
(void*) java_io_osc_oneTimeInitialization }
};
int register_java_io_ObjectStreamClass(JNIEnv* env) {
return jniRegisterNativeMethods(env, "java/io/ObjectStreamClass", gMethods, NELEM(gMethods));
}
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