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/*
*
* 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();
}
}
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