Move ICU4C regex usage from libcore/
- The C++ codes are not ABI-stable. This CL moves the interface
between codes in the ART module and i18n module from C++ to Java.
Bug: 138994281
Test: atest --test-mapping libcore/ojluni/src/main/java/java/util/regex:postsubmit
Change-Id: I655527521ba3b2af88bf3053424b31fa8d5928f0
diff --git a/android_icu4j/src/main/jni/Register.cpp b/android_icu4j/src/main/jni/Register.cpp
new file mode 100644
index 0000000..a66d59a
--- /dev/null
+++ b/android_icu4j/src/main/jni/Register.cpp
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+#define LOG_TAG "Register"
+
+#include <stdlib.h>
+#include <nativehelper/ScopedLocalFrame.h>
+#include <log/log.h>
+
+#include "JniConstants.h"
+
+// ART calls this on startup, so we can statically register all our native methods.
+jint JNI_OnLoad(JavaVM* vm, void*) {
+ ALOGV("libicu_jni JNI_OnLoad");
+ JNIEnv* env;
+ if (vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6) != JNI_OK) {
+ ALOGE("JavaVM::GetEnv() failed");
+ abort();
+ }
+
+ ScopedLocalFrame localFrame(env);
+
+#define REGISTER(FN) extern void FN(JNIEnv*); FN(env)
+ REGISTER(register_com_android_icu_util_regex_NativePattern);
+ REGISTER(register_com_android_icu_util_regex_NativeMatcher);
+#undef REGISTER
+
+ JniConstants::Initialize(env);
+ return JNI_VERSION_1_6;
+}
+
+// ART calls this on shutdown, do any global cleanup here.
+// -- Very important if we restart multiple ART runtimes in the same process to reset the state.
+void JNI_OnUnload(JavaVM*, void*) {
+ // Don't use the JavaVM in this method. ART only calls this once all threads are
+ // unregistered.
+ ALOGV("libicu_jni JNI_OnUnload");
+ JniConstants::Invalidate();
+}