| /* |
| * 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 void java_setFieldBool (JNIEnv* env, jclass, |
| jobject targetObject, |
| jclass declaringClass, |
| jstring fieldName, |
| jboolean newValue) { |
| const char *fieldNameInC; |
| jfieldID fid; |
| if(targetObject == NULL) { |
| return; |
| } |
| fieldNameInC = env->GetStringUTFChars(fieldName, NULL); |
| fid = env->GetFieldID(declaringClass, fieldNameInC, "Z"); |
| env->ReleaseStringUTFChars(fieldName, fieldNameInC); |
| |
| /* |
| * Two options now. Maybe getFieldID caused an exception, |
| * or maybe it returned the real value |
| */ |
| if(fid != 0) { |
| env->SetBooleanField(targetObject, fid, newValue); |
| } |
| } |
| |
| static void java_setFieldChar (JNIEnv* env, jclass, |
| jobject targetObject, |
| jclass declaringClass, |
| jstring fieldName, |
| jchar newValue) { |
| const char *fieldNameInC; |
| jfieldID fid; |
| if(targetObject == NULL) { |
| return; |
| } |
| fieldNameInC = env->GetStringUTFChars(fieldName, NULL); |
| fid = env->GetFieldID(declaringClass, fieldNameInC, "C"); |
| env->ReleaseStringUTFChars(fieldName, fieldNameInC); |
| |
| /* |
| * Two options now. Maybe getFieldID caused an exception, |
| * or maybe it returned the real value |
| */ |
| if(fid != 0) { |
| env->SetCharField(targetObject, fid, newValue); |
| } |
| } |
| |
| static void java_setFieldInt (JNIEnv* env, jclass, |
| jobject targetObject, |
| jclass declaringClass, |
| jstring fieldName, |
| jint newValue) { |
| const char *fieldNameInC; |
| jfieldID fid; |
| if(targetObject == NULL) { |
| return; |
| } |
| fieldNameInC = env->GetStringUTFChars(fieldName, NULL); |
| fid = env->GetFieldID(declaringClass, fieldNameInC, "I"); |
| env->ReleaseStringUTFChars(fieldName, fieldNameInC); |
| |
| /* |
| * Two options now. Maybe getFieldID caused an exception, |
| * or maybe it returned the real value |
| */ |
| if(fid != 0) { |
| env->SetIntField(targetObject, fid, newValue); |
| } |
| } |
| |
| static void java_setFieldFloat (JNIEnv* env, jclass, |
| jobject targetObject, |
| jclass declaringClass, |
| jstring fieldName, |
| jfloat newValue) { |
| const char *fieldNameInC; |
| jfieldID fid; |
| if(targetObject == NULL) { |
| return; |
| } |
| fieldNameInC = env->GetStringUTFChars(fieldName, NULL); |
| fid = env->GetFieldID(declaringClass, fieldNameInC, "F"); |
| env->ReleaseStringUTFChars(fieldName, fieldNameInC); |
| |
| /* |
| * Two options now. Maybe getFieldID caused an exception, |
| * or maybe it returned the real value |
| */ |
| if(fid != 0) { |
| env->SetFloatField(targetObject, fid, newValue); |
| } |
| } |
| |
| static void java_setFieldDouble (JNIEnv* env, jclass, |
| jobject targetObject, |
| jclass declaringClass, |
| jstring fieldName, |
| jdouble newValue) { |
| const char *fieldNameInC; |
| jfieldID fid; |
| if(targetObject == NULL) { |
| return; |
| } |
| fieldNameInC = env->GetStringUTFChars(fieldName, NULL); |
| fid = env->GetFieldID(declaringClass, fieldNameInC, "D"); |
| env->ReleaseStringUTFChars(fieldName, fieldNameInC); |
| |
| /* |
| * Two options now. Maybe getFieldID caused an exception, |
| * or maybe it returned the real value |
| */ |
| if(fid != 0) { |
| env->SetDoubleField(targetObject, fid, newValue); |
| } |
| |
| } |
| |
| static void java_setFieldShort (JNIEnv* env, jclass, |
| jobject targetObject, |
| jclass declaringClass, |
| jstring fieldName, |
| jshort newValue) { |
| const char *fieldNameInC; |
| jfieldID fid; |
| if(targetObject == NULL) { |
| return; |
| } |
| fieldNameInC = env->GetStringUTFChars(fieldName, NULL); |
| fid = env->GetFieldID(declaringClass, fieldNameInC, "S"); |
| env->ReleaseStringUTFChars(fieldName, fieldNameInC); |
| |
| /* |
| * Two options now. Maybe getFieldID caused an exception, |
| * or maybe it returned the real value |
| */ |
| if(fid != 0) { |
| env->SetShortField(targetObject, fid, newValue); |
| } |
| |
| } |
| |
| static void java_setFieldLong (JNIEnv* env, jclass, |
| jobject targetObject, |
| jclass declaringClass, |
| jstring fieldName, |
| jlong newValue) { |
| const char *fieldNameInC; |
| jfieldID fid; |
| if(targetObject == NULL) { |
| return; |
| } |
| fieldNameInC = env->GetStringUTFChars(fieldName, NULL); |
| fid = env->GetFieldID(declaringClass, fieldNameInC, "J"); |
| env->ReleaseStringUTFChars(fieldName, fieldNameInC); |
| |
| /* |
| * Two options now. Maybe getFieldID caused an exception, |
| * or maybe it returned the real value |
| */ |
| if(fid != 0) { |
| env->SetLongField(targetObject, fid, newValue); |
| } |
| } |
| |
| static jobject java_newInstance (JNIEnv* env, jclass, |
| jclass instantiationClass, |
| jclass constructorClass) { |
| jmethodID mid = |
| env->GetMethodID(constructorClass, "<init>", "()V"); |
| |
| if(mid == 0) { |
| /* Cant newInstance,No empty constructor... */ |
| return (jobject) 0; |
| } else { |
| /* Instantiate an object of a given class */ |
| return (jobject) env->NewObject(instantiationClass, mid); |
| } |
| |
| } |
| |
| static void java_setFieldByte (JNIEnv* env, jclass, |
| jobject targetObject, |
| jclass declaringClass, |
| jstring fieldName, |
| jbyte newValue){ |
| const char *fieldNameInC; |
| jfieldID fid; |
| if(targetObject == NULL) { |
| return; |
| } |
| fieldNameInC = env->GetStringUTFChars(fieldName, NULL); |
| fid = env->GetFieldID(declaringClass, fieldNameInC, "B"); |
| env->ReleaseStringUTFChars(fieldName, fieldNameInC); |
| |
| /* Two options now. Maybe getFieldID caused an exception, or maybe it returned the real value */ |
| if(fid != 0) { |
| env->SetByteField(targetObject, fid, newValue); |
| } |
| } |
| |
| static void java_setFieldObj (JNIEnv* env, jclass, |
| jobject targetObject, |
| jclass declaringClass, |
| jstring fieldName, |
| jstring fieldTypeName, |
| jobject newValue) { |
| const char *fieldNameInC, *fieldTypeNameInC; |
| jfieldID fid; |
| if(targetObject == NULL) { |
| return; |
| } |
| fieldNameInC = env->GetStringUTFChars(fieldName, NULL); |
| fieldTypeNameInC = env->GetStringUTFChars(fieldTypeName, NULL); |
| fid = env->GetFieldID(declaringClass, |
| fieldNameInC, fieldTypeNameInC); |
| env->ReleaseStringUTFChars(fieldName, fieldNameInC); |
| env->ReleaseStringUTFChars(fieldTypeName, fieldTypeNameInC); |
| |
| /* |
| * Two options now. Maybe getFieldID caused an exception, |
| * or maybe it returned the real value |
| */ |
| if(fid != 0) { |
| env->SetObjectField(targetObject, fid, newValue); |
| } |
| } |
| |
| static JNINativeMethod gMethods[] = { |
| { "setField", |
| "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;J)V", |
| (void*) java_setFieldLong }, |
| { "setField", |
| "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;S)V", |
| (void*) java_setFieldShort }, |
| { "setField", |
| "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;D)V", |
| (void*) java_setFieldDouble }, |
| { "setField", |
| "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;Z)V", |
| (void*) java_setFieldBool }, |
| { "setField", |
| "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;B)V", |
| (void*) java_setFieldByte }, |
| { "setField", |
| "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;F)V", |
| (void*) java_setFieldFloat }, |
| { "setField", |
| "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;C)V", |
| (void*) java_setFieldChar }, |
| { "setField", |
| "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;I)V", |
| (void*) java_setFieldInt }, |
| { "newInstance", |
| "(Ljava/lang/Class;Ljava/lang/Class;)Ljava/lang/Object;", |
| (void*) java_newInstance }, |
| { "objSetField", |
| "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;Ljava/lang/String;Ljava/lang/Object;)V", |
| (void*) java_setFieldObj } |
| |
| }; |
| int register_java_io_ObjectInputStream(JNIEnv* env) { |
| return jniRegisterNativeMethods(env, "java/io/ObjectInputStream", gMethods, NELEM(gMethods)); |
| } |
