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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,
jobject reflectField) {
jclass lookupClass;
jmethodID mid;
lookupClass = env->FindClass("java/lang/reflect/Field");
if(!lookupClass) {
return NULL;
}
mid = env->GetMethodID(lookupClass, "getSignature",
"()Ljava/lang/String;");
if(!mid)
{
return NULL;
}
jclass fieldClass = env->GetObjectClass(reflectField);
return env->CallNonvirtualObjectMethod(reflectField,
fieldClass, mid);
}
static jobject java_io_osc_getMethodSignature(JNIEnv* env, jclass,
jobject reflectMethod)
{
jclass lookupClass;
jmethodID mid;
lookupClass = env->FindClass("java/lang/reflect/Method");
if(!lookupClass) {
return NULL;
}
mid = env->GetMethodID(lookupClass, "getSignature",
"()Ljava/lang/String;");
if(!mid) {
return NULL;
}
jclass methodClass = env->GetObjectClass(reflectMethod);
return env->CallNonvirtualObjectMethod(reflectMethod,
methodClass, mid);
}
static jobject java_io_osc_getConstructorSignature(JNIEnv* env,
jclass,
jobject
reflectConstructor)
{
jclass lookupClass;
jmethodID mid;
lookupClass = env->FindClass("java/lang/reflect/Constructor");
if(!lookupClass) {
return NULL;
}
mid = env->GetMethodID(lookupClass, "getSignature",
"()Ljava/lang/String;");
if(!mid) {
return NULL;
}
jclass constructorClass = env->GetObjectClass(reflectConstructor);
return env->CallNonvirtualObjectMethod(reflectConstructor,
constructorClass, mid);
}
static jboolean java_io_osc_hasClinit(JNIEnv * env, jclass, jclass targetClass) {
jmethodID mid = env->GetStaticMethodID(targetClass, "<clinit>", "()V");
env->ExceptionClear();
return (mid != 0);
}
static JNINativeMethod gMethods[] = {
{ "getConstructorSignature", "(Ljava/lang/reflect/Constructor;)Ljava/lang/String;", (void*) java_io_osc_getConstructorSignature },
{ "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 },
{ "hasClinit", "(Ljava/lang/Class;)Z", (void*) java_io_osc_hasClinit },
};
int register_java_io_ObjectStreamClass(JNIEnv* env) {
return jniRegisterNativeMethods(env, "java/io/ObjectStreamClass", gMethods, NELEM(gMethods));
}
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