1 files changed, 96 insertions, 0 deletions
diff --git a/java/common/gentools/src/org/apache/qpid/gentools/AmqpOrdinalFieldMap.java b/java/common/gentools/src/org/apache/qpid/gentools/AmqpOrdinalFieldMap.java
new file mode 100644
index 0000000000..0633eff1e1
--- /dev/null
+++ b/java/common/gentools/src/org/apache/qpid/gentools/AmqpOrdinalFieldMap.java
@@ -0,0 +1,96 @@
+/*
+ *
+ * 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.util.Iterator;
+import java.util.Set;
+import java.util.TreeMap;
+
+@SuppressWarnings("serial")
+public class AmqpOrdinalFieldMap extends TreeMap<Integer, String[]> implements Comparable
+{
+
+
+    public int compareTo(Object obj)
+    {
+        AmqpOrdinalFieldMap o = (AmqpOrdinalFieldMap) obj;
+        Set<Integer> thisKeySet = keySet();
+        Set<Integer> oKeySet = o.keySet();
+        if (!thisKeySet.equals(oKeySet)) // Not equal, but why?
+        {
+            // Size difference
+            int sizeDiff = thisKeySet.size() - oKeySet.size(); // -ve if this < other
+            if (sizeDiff != 0)
+            {
+                return sizeDiff;
+            }
+            // Conetent difference
+            Iterator<Integer> itr = thisKeySet.iterator();
+            Iterator<Integer> oItr = oKeySet.iterator();
+            while (itr.hasNext() && oItr.hasNext())
+            {
+                int diff = itr.next() - oItr.next(); // -ve if this < other
+                if (diff != 0)
+                {
+                    return diff;
+                }
+            }
+            // We should never get here...
+            System.err.println("AmqpOrdinalFieldMap.compareTo(): " +
+                               "WARNING - unable to find cause of keySet difference.");
+        }
+        // Keys are equal, now check the String[]s
+        Iterator<Integer> itr = thisKeySet.iterator();
+        Iterator<Integer> oItr = oKeySet.iterator();
+        while (itr.hasNext() && oItr.hasNext())
+        {
+            String[] thisPair = get(itr.next());
+            String[] oPair = o.get(oItr.next());
+            // Size difference
+            int sizeDiff = thisPair.length - oPair.length; // -ve if this < other
+            if (sizeDiff != 0)
+            {
+                return sizeDiff;
+            }
+            // Conetent difference
+            for (int i = 0; i < thisPair.length; i++)
+            {
+                int diff = thisPair[i].compareTo(oPair[i]);
+                if (diff != 0)
+                {
+                    return diff;
+                }
+            }
+        }
+        return 0;
+    }
+
+    public String toString()
+    {
+        StringBuffer sb = new StringBuffer();
+        for (Integer thisOrdinal : keySet())
+        {
+            String[] pair = get(thisOrdinal);
+            sb.append("[" + thisOrdinal + "] " + pair[0] + " : " + pair[1] + Utils.LINE_SEPARATOR);
+        }
+        return sb.toString();
+    }
+}