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/*******************************************************************************
* Copyright (c) 2007, 2015 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.launchConfigurations;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchConfigurationType;
import org.eclipse.ui.model.WorkbenchViewerComparator;
/**
* Groups configurations by type.
*
* @since 3.3
*/
public class LaunchConfigurationComparator extends WorkbenchViewerComparator {
/**
* the map of categories of <code>ILaunchConfigurationType</code>s to <code>Integer</code>s entries
*/
private static Map<ILaunchConfigurationType, Integer> fgCategories;
/**
* @see org.eclipse.jface.viewers.ViewerComparator#category(java.lang.Object)
*/
@Override
public int category(Object element) {
Map<ILaunchConfigurationType, Integer> map = getCategories();
if (element instanceof ILaunchConfiguration) {
ILaunchConfiguration configuration = (ILaunchConfiguration) element;
try {
Integer i = map.get(configuration.getType());
if (i != null) {
return i.intValue();
}
} catch (CoreException e) {
}
}
return map.size();
}
/**
* Returns the map of categories
* @return the map of categories
*/
private Map<ILaunchConfigurationType, Integer> getCategories() {
if (fgCategories == null) {
fgCategories = new HashMap<>();
List<ILaunchConfigurationType> types = Arrays.asList(DebugPlugin.getDefault().getLaunchManager().getLaunchConfigurationTypes());
Collections.sort(types, new Comparator<ILaunchConfigurationType>() {
@Override
public int compare(ILaunchConfigurationType o1, ILaunchConfigurationType o2) {
ILaunchConfigurationType t1 = o1;
ILaunchConfigurationType t2 = o2;
return t1.getName().compareTo(t2.getName());
}
});
Iterator<ILaunchConfigurationType> iterator = types.iterator();
int i = 0;
while (iterator.hasNext()) {
fgCategories.put(iterator.next(), Integer.valueOf(i));
i++;
}
}
return fgCategories;
}
}
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