1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed 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 "class_linker.h"
#include "common_throws.h"
#include "dex_file-inl.h"
#include "jni_internal.h"
#include "mirror/class-inl.h"
#include "mirror/object-inl.h"
#include "object_utils.h"
#include "scoped_thread_state_change.h"
#include "sirt_ref.h"
namespace art {
static jobject Array_createMultiArray(JNIEnv* env, jclass, jclass javaElementClass, jobject javaDimArray) {
ScopedObjectAccess soa(env);
DCHECK(javaElementClass != NULL);
mirror::Class* element_class = soa.Decode<mirror::Class*>(javaElementClass);
DCHECK(element_class->IsClass());
DCHECK(javaDimArray != NULL);
mirror::Object* dimensions_obj = soa.Decode<mirror::Object*>(javaDimArray);
DCHECK(dimensions_obj->IsArrayInstance());
DCHECK_STREQ(ClassHelper(dimensions_obj->GetClass()).GetDescriptor(), "[I");
mirror::IntArray* dimensions_array = down_cast<mirror::IntArray*>(dimensions_obj);
mirror::Array* new_array = mirror::Array::CreateMultiArray(soa.Self(), element_class, dimensions_array);
return soa.AddLocalReference<jobject>(new_array);
}
static jobject Array_createObjectArray(JNIEnv* env, jclass, jclass javaElementClass, jint length) {
ScopedObjectAccess soa(env);
DCHECK(javaElementClass != NULL);
mirror::Class* element_class = soa.Decode<mirror::Class*>(javaElementClass);
if (UNLIKELY(length < 0)) {
ThrowNegativeArraySizeException(length);
return NULL;
}
std::string descriptor("[");
descriptor += ClassHelper(element_class).GetDescriptor();
ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
mirror::Class* array_class = class_linker->FindClass(descriptor.c_str(), element_class->GetClassLoader());
if (UNLIKELY(array_class == NULL)) {
CHECK(soa.Self()->IsExceptionPending());
return NULL;
}
DCHECK(array_class->IsArrayClass());
mirror::Array* new_array = mirror::Array::Alloc(soa.Self(), array_class, length);
return soa.AddLocalReference<jobject>(new_array);
}
static JNINativeMethod gMethods[] = {
NATIVE_METHOD(Array, createMultiArray, "(Ljava/lang/Class;[I)Ljava/lang/Object;"),
NATIVE_METHOD(Array, createObjectArray, "(Ljava/lang/Class;I)Ljava/lang/Object;"),
};
void register_java_lang_reflect_Array(JNIEnv* env) {
REGISTER_NATIVE_METHODS("java/lang/reflect/Array");
}
} // namespace art
|
