com.mchange.v2.management.ManagementUtils Maven / Gradle / Ivy
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/*
* Distributed as part of c3p0 v.0.9.1.1
*
* Copyright (C) 2005 Machinery For Change, Inc.
*
* Author: Steve Waldman
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1, as
* published by the Free Software Foundation.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this software; see the file LICENSE. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/
package com.mchange.v2.management;
import javax.management.*;
import java.util.Comparator;
public class ManagementUtils
{
public final static Comparator PARAM_INFO_COMPARATOR = new Comparator()
{
public int compare(Object a, Object b)
{
MBeanParameterInfo aa = (MBeanParameterInfo) a;
MBeanParameterInfo bb = (MBeanParameterInfo) b;
int out = aa.getType().compareTo(bb.getType());
if (out == 0)
{
out = aa.getName().compareTo(bb.getName());
if (out == 0)
{
String aDesc = aa.getDescription();
String bDesc = bb.getDescription();
if (aDesc == null && bDesc == null)
out = 0;
else if (aDesc == null)
out = -1;
else if (bDesc == null)
out = 1;
else
out = aDesc.compareTo(bDesc);
}
}
return out;
}
};
public final static Comparator OP_INFO_COMPARATOR = new Comparator()
{
public int compare(Object a, Object b)
{
MBeanOperationInfo aa = (MBeanOperationInfo) a;
MBeanOperationInfo bb = (MBeanOperationInfo) b;
String aName = aa.getName();
String bName = bb.getName();
int out = String.CASE_INSENSITIVE_ORDER.compare(aName, bName);
if (out == 0)
{
if (aName.equals(bName))
{
MBeanParameterInfo[] aParams = aa.getSignature();
MBeanParameterInfo[] bParams = bb.getSignature();
if (aParams.length < bParams.length)
out = -1;
else if (aParams.length > bParams.length)
out = 1;
else
{
for (int i = 0, len = aParams.length; i < len; ++i)
{
out = PARAM_INFO_COMPARATOR.compare(aParams[i], bParams[i]);
if (out != 0)
break;
}
}
}
else
{
out = aName.compareTo(bName);
}
}
return out;
}
};
}