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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.
*/
#define LOG_TAG "ObjectOutputStream"
#include "JNIHelp.h"
#include "JniConstants.h"
#include "ScopedUtfChars.h"
#define GETTER(FUNCTION_NAME, JNI_C_TYPE, JNI_TYPE_STRING, JNI_GETTER_FUNCTION) \
static JNI_C_TYPE FUNCTION_NAME(JNIEnv* env, jclass, jobject instance, jclass declaringClass, \
jstring javaFieldName) { \
if (instance == NULL) { \
return JNI_C_TYPE(); \
} \
ScopedUtfChars fieldName(env, javaFieldName); \
if (fieldName.c_str() == NULL) { \
return JNI_C_TYPE(); \
} \
jfieldID fid = env->GetFieldID(declaringClass, fieldName.c_str(), JNI_TYPE_STRING); \
if (fid == 0) { \
return JNI_C_TYPE(); \
} \
return env->JNI_GETTER_FUNCTION(instance, fid); \
}
GETTER(ObjectOutputStream_getFieldBool, jboolean, "Z", GetBooleanField)
GETTER(ObjectOutputStream_getFieldByte, jbyte, "B", GetByteField)
GETTER(ObjectOutputStream_getFieldChar, jchar, "C", GetCharField)
GETTER(ObjectOutputStream_getFieldDouble, jdouble, "D", GetDoubleField)
GETTER(ObjectOutputStream_getFieldFloat, jfloat, "F", GetFloatField)
GETTER(ObjectOutputStream_getFieldInt, jint, "I", GetIntField)
GETTER(ObjectOutputStream_getFieldLong, jlong, "J", GetLongField)
GETTER(ObjectOutputStream_getFieldShort, jshort, "S", GetShortField)
static jobject ObjectOutputStream_getFieldObj(JNIEnv* env, jclass, jobject instance,
jclass declaringClass, jstring javaFieldName, jstring javaFieldTypeName) {
ScopedUtfChars fieldName(env, javaFieldName);
if (fieldName.c_str() == NULL) {
return NULL;
}
ScopedUtfChars fieldTypeName(env, javaFieldTypeName);
if (fieldTypeName.c_str() == NULL) {
return NULL;
}
jfieldID fid = env->GetFieldID(declaringClass, fieldName.c_str(), fieldTypeName.c_str());
if (fid == 0) {
return NULL;
}
return env->GetObjectField(instance, fid);
}
static JNINativeMethod gMethods[] = {
NATIVE_METHOD(ObjectOutputStream, getFieldBool, "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;)Z"),
NATIVE_METHOD(ObjectOutputStream, getFieldByte, "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;)B"),
NATIVE_METHOD(ObjectOutputStream, getFieldChar, "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;)C"),
NATIVE_METHOD(ObjectOutputStream, getFieldDouble, "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;)D"),
NATIVE_METHOD(ObjectOutputStream, getFieldFloat, "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;)F"),
NATIVE_METHOD(ObjectOutputStream, getFieldInt, "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;)I"),
NATIVE_METHOD(ObjectOutputStream, getFieldLong, "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;)J"),
NATIVE_METHOD(ObjectOutputStream, getFieldObj, "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/Object;"),
NATIVE_METHOD(ObjectOutputStream, getFieldShort, "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;)S"),
};
int register_java_io_ObjectOutputStream(JNIEnv* env) {
return jniRegisterNativeMethods(env, "java/io/ObjectOutputStream", gMethods, NELEM(gMethods));
}
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