diff options
Diffstat (limited to 'luni/src/main/native/java_io_ObjectOutputStream.cpp')
| -rw-r--r-- | luni/src/main/native/java_io_ObjectOutputStream.cpp | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/luni/src/main/native/java_io_ObjectOutputStream.cpp b/luni/src/main/native/java_io_ObjectOutputStream.cpp new file mode 100644 index 0000000..791e041 --- /dev/null +++ b/luni/src/main/native/java_io_ObjectOutputStream.cpp @@ -0,0 +1,239 @@ +/* + * 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 jlong java_getFieldLong(JNIEnv * env, jclass, + jobject targetObject, + jclass declaringClass, + jstring fieldName) { + const char *fieldNameInC = env->GetStringUTFChars(fieldName, NULL); + jfieldID 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) { + // Field not found. I believe we must throw an exception here + return (jlong) 0L; + } else { + return env->GetLongField(targetObject, fid); + } +} + +static jshort java_getFieldShort(JNIEnv* env, jclass, + jobject targetObject, + jclass declaringClass, + jstring fieldName) { + const char *fieldNameInC = env->GetStringUTFChars(fieldName, NULL); + jfieldID 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) { + // Field not found. I believe we must throw an exception here + return (jshort) 0; + } else { + return env->GetShortField(targetObject, fid); + } +} + +static jdouble java_getFieldDouble(JNIEnv* env, jclass, + jobject targetObject, + jclass declaringClass, + jstring fieldName) { + const char *fieldNameInC = env->GetStringUTFChars(fieldName, NULL); + jfieldID 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) { + // Field not found. I believe we must throw an exception here + return (jdouble) 0.0; + } else { + return env->GetDoubleField(targetObject, fid); + } +} + +static jboolean java_getFieldBool(JNIEnv* env, jclass, + jobject targetObject, + jclass declaringClass, + jstring fieldName) { + const char *fieldNameInC = env->GetStringUTFChars(fieldName, NULL); + jfieldID 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) { + // Field not found. I believe we must throw an exception here + return (jboolean) 0; + } else { + return env->GetBooleanField(targetObject, fid); + } +} + +static jbyte java_getFieldByte(JNIEnv* env, jclass, + jobject targetObject, + jclass declaringClass, + jstring fieldName) { + const char *fieldNameInC = env->GetStringUTFChars(fieldName, NULL); + jfieldID 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) { + // Field not found. I believe we must throw an exception here + return (jbyte) 0; + } else { + return env->GetByteField(targetObject, fid); + } +} + +static jfloat java_getFieldFloat(JNIEnv* env, jclass, + jobject targetObject, + jclass declaringClass, + jstring fieldName) { + const char *fieldNameInC = env->GetStringUTFChars(fieldName, NULL); + jfieldID 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) { + // Field not found. I believe we must throw an exception here + return (jfloat) 0.0f; + } + else { + return env->GetFloatField(targetObject, fid); + } + +} + +static jchar java_getFieldChar(JNIEnv* env, jclass, + jobject targetObject, + jclass declaringClass, + jstring fieldName) { + const char *fieldNameInC = env->GetStringUTFChars(fieldName, NULL); + jfieldID 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) { + // Field not found. I believe we must throw an exception here + return (jchar) 0; + } else { + return env->GetCharField(targetObject, fid); + } +} + +static jobject java_getFieldObj(JNIEnv* env, jclass, + jobject targetObject, + jclass declaringClass, + jstring fieldName, + jstring fieldTypeName) { + const char *fieldNameInC = env->GetStringUTFChars(fieldName, NULL); + const char *fieldTypeNameInC = + env->GetStringUTFChars(fieldTypeName, NULL); + jfieldID 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) { + // Field not found. I believe we must throw an exception here + return (jobject) 0; + } else { + return env->GetObjectField(targetObject, fid); + } +} + +static jint java_getFieldInt(JNIEnv* env, jclass, + jobject targetObject, + jclass declaringClass, + jstring fieldName) { + const char *fieldNameInC = env->GetStringUTFChars(fieldName, NULL); + jfieldID 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) { + // Field not found. I believe we must throw an exception here + return (jint) 0; + } else { + return env->GetIntField(targetObject, fid); + } +} + +static JNINativeMethod gMethods[] = { + { "getFieldLong", + "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;)J", + (void*) java_getFieldLong }, + { "getFieldShort", + "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;)S", + (void*) java_getFieldShort }, + { "getFieldDouble", + "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;)D", + (void*) java_getFieldDouble }, + { "getFieldBool", + "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;)Z", + (void*) java_getFieldBool }, + { "getFieldByte", + "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;)B", + (void*) java_getFieldByte }, + { "getFieldFloat", + "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;)F", + (void*) java_getFieldFloat }, + { "getFieldChar", + "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;)C", + (void*) java_getFieldChar }, + { "getFieldObj", + "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/Object;", + (void*) java_getFieldObj }, + { "getFieldInt", + "(Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/String;)I", + (void*) java_getFieldInt }, + +}; +int register_java_io_ObjectOutputStream(JNIEnv* env) { + return jniRegisterNativeMethods(env, "java/io/ObjectOutputStream", gMethods, NELEM(gMethods)); +} |