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-rw-r--r--runtime/native/java_lang_reflect_Array.cc74
1 files changed, 74 insertions, 0 deletions
diff --git a/runtime/native/java_lang_reflect_Array.cc b/runtime/native/java_lang_reflect_Array.cc
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+++ b/runtime/native/java_lang_reflect_Array.cc
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+/*
+ * 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