| /* |
| * 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 "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 |