1 files changed, 63 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/messaging/MapView.cpp b/qpid/cpp/src/qpid/messaging/MapView.cpp
new file mode 100644
index 0000000000..ffa6e91a16
--- /dev/null
+++ b/qpid/cpp/src/qpid/messaging/MapView.cpp
@@ -0,0 +1,63 @@
+/*
+ *
+ * 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 "qpid/messaging/MapView.h"
+#include "qpid/messaging/Message.h"
+#include "qpid/client/amqp0_10/Codecs.h"
+
+namespace qpid {
+namespace messaging {
+
+class MapViewImpl : public Variant
+{
+  public:
+    MapViewImpl(const Message& msg) : Variant(Variant::Map())
+    {
+        if (msg.getContent().size()) {
+            qpid::client::amqp0_10::MapCodec codec;
+            codec.decode(msg.getContent(), *this);
+        }
+    }
+};
+
+MapView::MapView(const Message& m) : impl(new MapViewImpl(m)) {}
+MapView::~MapView() { delete impl; }
+MapView& MapView::operator=(const MapView& m) { *impl = *m.impl; return *this; }
+
+MapView::const_iterator MapView::begin() const { return impl->asMap().begin(); }
+MapView::const_iterator MapView::end() const { return impl->asMap().end(); }
+MapView::const_reverse_iterator MapView::rbegin() const { return impl->asMap().rbegin(); }
+MapView::const_reverse_iterator MapView::rend() const { return impl->asMap().rend(); }
+
+bool MapView::empty() const { return impl->asMap().empty(); }
+size_t MapView::size() const { return impl->asMap().size(); }
+
+MapView::const_iterator MapView::find(const key_type& key) const { return impl->asMap().find(key); }
+const Variant& MapView::operator[](const key_type& key) const { return impl->asMap()[key]; }
+
+const std::map<MapView::key_type, Variant>& MapView::asMap() const { return impl->asMap(); }
+
+std::ostream& operator<<(std::ostream& out, const MapView& m)
+{
+    out << m.asMap();
+    return out;
+}
+
+}} // namespace qpid::messaging