Creating tag for M2 final release

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/tags/M2@596674 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 65 insertions, 0 deletions

diff --git a/Final/cpp/lib/common/ExceptionHolder.h b/Final/cpp/lib/common/ExceptionHolder.h
new file mode 100644
index 0000000000..e4679e7828
--- /dev/null
+++ b/Final/cpp/lib/common/ExceptionHolder.h
@@ -0,0 +1,65 @@
+#ifndef _qpid_ExceptionHolder_h
+#define _qpid_ExceptionHolder_h
+
+/*
+ *
+ * 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.
+ *
+ */
+
+#include <Exception.h>
+#include <boost/shared_ptr.hpp>
+
+namespace qpid {
+
+/**
+ * Holder for a heap-allocated exc eption that can be stack allocated
+ * and thrown safely.
+ *
+ * Basically this is a shared_ptr with the Exception functions added
+ * so the catcher need not be aware that it is a pointer rather than a
+ * reference.
+ * 
+ * shared_ptr is chosen over auto_ptr because it has normal 
+ * copy semantics. 
+ */
+class ExceptionHolder : public Exception, public boost::shared_ptr<Exception>
+{
+  public:
+    typedef boost::shared_ptr<Exception> shared_ptr;
+
+    ExceptionHolder() throw() {}
+    ExceptionHolder(Exception* p) throw() : shared_ptr(p) {}
+    ExceptionHolder(shared_ptr p) throw() : shared_ptr(p) {}
+
+    ExceptionHolder(const Exception& e) throw() : shared_ptr(e.clone()) {}
+    ExceptionHolder(const std::exception& e);
+
+    ~ExceptionHolder() throw() {}
+
+    const char* what() const throw() { return (*this)->what(); }
+    std::string toString() const throw() { return (*this)->toString(); }
+    virtual Exception* clone() const throw() { return (*this)->clone(); }
+    virtual void throwSelf() const { (*this)->throwSelf(); }
+};
+
+} // namespace qpid
+
+
+
+#endif  /*!_qpid_ExceptionHolder_h*/