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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 "java_lang_String.h"
#include "common_throws.h"
#include "jni_internal.h"
#include "mirror/string-inl.h"
#include "scoped_fast_native_object_access.h"
#include "scoped_thread_state_change.h"
#include "ScopedLocalRef.h"
#include "verify_object-inl.h"
namespace art {
static jint String_compareTo(JNIEnv* env, jobject javaThis, jobject javaRhs) {
ScopedFastNativeObjectAccess soa(env);
if (UNLIKELY(javaRhs == NULL)) {
ThrowNullPointerException(NULL, "rhs == null");
return -1;
} else {
return soa.Decode<mirror::String*>(javaThis)->CompareTo(soa.Decode<mirror::String*>(javaRhs));
}
}
static jint String_fastIndexOf(JNIEnv* env, jobject java_this, jint ch, jint start) {
ScopedFastNativeObjectAccess soa(env);
// This method does not handle supplementary characters. They're dealt with in managed code.
DCHECK_LE(ch, 0xffff);
mirror::String* s = soa.Decode<mirror::String*>(java_this);
return s->FastIndexOf(ch, start);
}
static jstring String_intern(JNIEnv* env, jobject javaThis) {
ScopedFastNativeObjectAccess soa(env);
mirror::String* s = soa.Decode<mirror::String*>(javaThis);
mirror::String* result = s->Intern();
return soa.AddLocalReference<jstring>(result);
}
static JNINativeMethod gMethods[] = {
NATIVE_METHOD(String, compareTo, "!(Ljava/lang/String;)I"),
NATIVE_METHOD(String, fastIndexOf, "!(II)I"),
NATIVE_METHOD(String, intern, "!()Ljava/lang/String;"),
};
void register_java_lang_String(JNIEnv* env) {
REGISTER_NATIVE_METHODS("java/lang/String");
}
} // namespace art
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