QPID-4027 Experimental cpp binding. Adding the swig and support files.

Adding a connection factor class that loads various implementaitons.

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/address-refactor2@1343747 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 52 insertions, 0 deletions

diff --git a/qpid/java/client-api/src/main/java/org/apache/qpid/messaging/ConnectionFactory.java b/qpid/java/client-api/src/main/java/org/apache/qpid/messaging/ConnectionFactory.java
new file mode 100644
index 0000000000..099934789b
--- /dev/null
+++ b/qpid/java/client-api/src/main/java/org/apache/qpid/messaging/ConnectionFactory.java
@@ -0,0 +1,52 @@
+/* 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.
+ */
+package org.apache.qpid.messaging;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Acts as the factory that loads a particular API implementation.
+ */
+public abstract class ConnectionFactory
+{
+    private final static ConnectionFactory _instance;
+    private static final Logger _logger = LoggerFactory.getLogger(ConnectionFactory.class);
+
+    static
+    {
+        String className = System.getProperty("qpid.connection-factory",
+                "org.apache.qpid.messaging.cpp.CppConnectionFactory"); // will default to java
+        try
+        {
+            _instance = (ConnectionFactory) Class.forName(className).newInstance();
+        }
+        catch (Exception e)
+        {
+            _logger.error("Error loading connection factory class",e);
+            throw new Error("Error loading connection factory class",e);
+        }
+    }
+
+    public static ConnectionFactory get()
+    {
+        return _instance;
+    }
+
+    public abstract Connection createConnection(String url);
+}