Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 42 insertions, 0 deletions

diff --git a/src/java/native/JniConstants.cpp b/src/java/native/JniConstants.cpp
new file mode 100644
index 000000000..cd54c99b9
--- /dev/null
+++ b/src/java/native/JniConstants.cpp
@@ -0,0 +1,42 @@
+/*
+ * 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.
+ */
+
+#include "JniConstants.h"
+#include "ScopedLocalRef.h"
+
+#include <stdlib.h>
+
+jclass JniConstants::inet6AddressClass;
+jclass JniConstants::inetAddressClass;
+jclass JniConstants::inetSocketAddressClass;
+jclass JniConstants::stringClass;
+
+static jclass findClass(JNIEnv* env, const char* name) {
+    ScopedLocalRef<jclass> localClass(env, env->FindClass(name));
+    jclass result = reinterpret_cast<jclass>(env->NewGlobalRef(localClass.get()));
+    if (result == NULL) {
+        fprintf(stderr, "failed to find class '%s'", name);
+        abort();
+    }
+    return result;
+}
+
+void JniConstants::init(JNIEnv* env) {
+    inet6AddressClass = findClass(env, "java/net/Inet6Address");
+    inetAddressClass = findClass(env, "java/net/InetAddress");
+    inetSocketAddressClass = findClass(env, "java/net/InetSocketAddress");
+    stringClass = findClass(env, "java/lang/String");
+}