1 files changed, 79 insertions, 0 deletions
diff --git a/qpid/gentools/src/org/apache/qpid/gentools/AmqpVersionSet.java b/qpid/gentools/src/org/apache/qpid/gentools/AmqpVersionSet.java
new file mode 100644
index 0000000000..6419e23a1e
--- /dev/null
+++ b/qpid/gentools/src/org/apache/qpid/gentools/AmqpVersionSet.java
@@ -0,0 +1,79 @@
+/*
+ *
+ * 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.gentools;
+
+import java.io.PrintStream;
+import java.util.Iterator;
+import java.util.TreeSet;
+
+@SuppressWarnings("serial")
+public class AmqpVersionSet extends TreeSet<AmqpVersion> implements Printable, Comparable<AmqpVersionSet>
+{
+    public AmqpVersionSet()
+    {
+        super();
+    }
+
+    public AmqpVersionSet(AmqpVersion version)
+    {
+        super();
+        add(version);
+    }
+
+    public AmqpVersion find(AmqpVersion version)
+    {
+        for (AmqpVersion v : this)
+        {
+            if (v.compareTo(version) == 0)
+            {
+                return v;
+            }
+        }
+        return null;
+    }
+
+    public void print(PrintStream out, int marginSize, int tabSize)
+    {
+        out.print(Utils.createSpaces(marginSize) + "Version Set: " + toString() + Utils.LINE_SEPARATOR);
+    }
+
+    public int compareTo(AmqpVersionSet other)
+    {
+        int res = size() - other.size();
+        if (res != 0)
+        {
+            return res;
+        }
+        Iterator<AmqpVersion> vItr = iterator();
+        Iterator<AmqpVersion> oItr = other.iterator();
+        while (vItr.hasNext() && oItr.hasNext())
+        {
+            AmqpVersion version = vItr.next();
+            AmqpVersion oVersion = oItr.next();
+            res = version.compareTo(oVersion);
+            if (res != 0)
+            {
+                return res;
+            }
+        }
+        return 0;
+    }
+}