summaryrefslogtreecommitdiff
path: root/subversion/bindings/javahl/native/jniwrapper/jni_globalref.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'subversion/bindings/javahl/native/jniwrapper/jni_globalref.hpp')
-rw-r--r--subversion/bindings/javahl/native/jniwrapper/jni_globalref.hpp90
1 files changed, 90 insertions, 0 deletions
diff --git a/subversion/bindings/javahl/native/jniwrapper/jni_globalref.hpp b/subversion/bindings/javahl/native/jniwrapper/jni_globalref.hpp
new file mode 100644
index 0000000..7fe88d0
--- /dev/null
+++ b/subversion/bindings/javahl/native/jniwrapper/jni_globalref.hpp
@@ -0,0 +1,90 @@
+/**
+ * @copyright
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ * ====================================================================
+ * @endcopyright
+ */
+
+#ifndef SVN_JAVAHL_JNIWRAPPER_GLOBALREF_HPP
+#define SVN_JAVAHL_JNIWRAPPER_GLOBALREF_HPP
+
+#include <jni.h>
+
+#include "jni_env.hpp"
+
+namespace Java {
+
+/**
+ * Wrapper for a global object reference. The reference is held until
+ * the wrapper goes out of scope (i.e., until the destructor is called).
+ *
+ * @since New in 1.9.
+ */
+class GlobalObject
+{
+public:
+ explicit GlobalObject(Env env, jobject obj)
+ : m_obj(obj ? env.NewGlobalRef(obj) : NULL)
+ {}
+
+ ~GlobalObject();
+
+ GlobalObject& operator=(jobject that);
+
+ jobject get() const
+ {
+ return m_obj;
+ }
+
+private:
+ GlobalObject(const GlobalObject&);
+ GlobalObject& operator=(const GlobalObject&);
+
+ jobject m_obj;
+};
+
+/**
+ * Wrapper for a global class reference. Behaves just like the object
+ * reference wrapper, but provides a more type-safe interface for
+ * class references.
+ *
+ * @since New in 1.9.
+ */
+class GlobalClass : protected GlobalObject
+{
+public:
+ explicit GlobalClass(Env env, jclass cls)
+ : GlobalObject(env, cls)
+ {}
+
+ GlobalClass& operator=(jclass that);
+
+ jclass get() const
+ {
+ return jclass(GlobalObject::get());
+ }
+
+private:
+ GlobalClass(const GlobalClass&);
+ GlobalClass& operator=(const GlobalClass&);
+};
+
+} // namespace Java
+
+#endif // SVN_JAVAHL_JNIWRAPPER_GLOBALREF_HPP