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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.management.ui.views.logging;
import static org.apache.qpid.management.common.mbeans.LoggingManagement.LOGGER_LEVEL;
import static org.apache.qpid.management.common.mbeans.LoggingManagement.LOGGER_NAME;
import javax.management.openmbean.CompositeData;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
/**
* Sorter class for the Logging Management table viewers.
*/
public class LoggingTableSorter extends ViewerSorter
{
private static final int ASCENDING = 0;
private static final int DESCENDING = 1;
private int column;
private int direction;
public LoggingTableSorter()
{
this.column = 0;
direction = ASCENDING;
}
public void setColumn(int column)
{
if (column == this.column)
{
// Same column as last sort; toggle the direction
direction = 1 - direction;
}
else
{
// New column; do an ascending sort
this.column = column;
direction = ASCENDING;
}
}
@Override
public int compare(Viewer viewer, Object e1, Object e2)
{
CompositeData logger1 = (CompositeData) e1;
CompositeData logger2 = (CompositeData) e2;
int comparison = 0;
switch(column)
{
case 0:
comparison = String.valueOf(logger1.get(LOGGER_NAME)).compareTo(
String.valueOf(logger2.get(LOGGER_NAME)));
break;
case 1:
comparison = String.valueOf(logger1.get(LOGGER_LEVEL)).compareTo(
String.valueOf(logger2.get(LOGGER_LEVEL)));
break;
default:
comparison = 0;
}
// If descending order, flip the direction
if (direction == DESCENDING)
{
comparison = -comparison;
}
return comparison;
}
}
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