| /* |
| * 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)); |
| } |