QPID-3518: Introduce client side ability to detect server side support.

Applied patch from Oleksandr Rudyy<orudyy@gmail.com> and myself.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@1199662 13f79535-47bb-0310-9956-ffa450edef68

2 files changed, 58 insertions, 0 deletions

diff --git a/java/common/src/main/java/org/apache/qpid/common/ServerPropertyNames.java b/java/common/src/main/java/org/apache/qpid/common/ServerPropertyNames.java
new file mode 100644
index 0000000000..aa262bdde5
--- /dev/null
+++ b/java/common/src/main/java/org/apache/qpid/common/ServerPropertyNames.java
@@ -0,0 +1,43 @@
+/*
+ *
+ * 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.common;
+
+/**
+ * Keys names used within the serverProperties argument of the ConnectionStart
+ * method.  These property names are Qpid specific.
+ */
+public final class ServerPropertyNames
+{
+    /**
+     * Server property: federation tag UUID
+     */
+    public static final String FEDERATION_TAG = "qpid.federation_tag";
+
+    /**
+     * Server property: array of features supported by the server.
+     */
+    public static final String QPID_FEATURES = "qpid.features";
+
+    /**
+     * Feature: Signifies that a server supports JMS selectors.
+     */
+    public static final String FEATURE_QPID_JMS_SELECTOR = "qpid.jms-selector";
+}
diff --git a/java/common/src/main/java/org/apache/qpid/util/Strings.java b/java/common/src/main/java/org/apache/qpid/util/Strings.java
index a6a8b8beb4..fe1a300479 100644
--- a/java/common/src/main/java/org/apache/qpid/util/Strings.java
+++ b/java/common/src/main/java/org/apache/qpid/util/Strings.java
@@ -257,4 +257,19 @@ public final class Strings
         return join(sep, Arrays.asList(items));
     }
 
+    public static String printMap(Map<String,Object> map)
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.append("<");
+        if (map != null)
+        {
+            for(String key : map.keySet())
+            {
+                sb.append(key).append(" = ").append(map.get(key)).append(" ");
+            }
+        }
+        sb.append(">");
+        return sb.toString();
+    }
+
 }