org.cubeengine.butler.CompletionHelper Maven / Gradle / Ivy
/*
* The MIT License
* Copyright © 2014 Cube Island
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.cubeengine.butler;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class CompletionHelper
{
public static List complete(String prefix, List choices)
{
if (prefix.isEmpty())
{
return choices;
}
String lowerPrefix = prefix.toLowerCase();
List suggestions = new ArrayList<>();
for (final String s : choices)
{
if (s.toLowerCase().startsWith(lowerPrefix))
{
suggestions.add(s);
}
}
if (suggestions.isEmpty())
{
return Collections.emptyList();
}
if (suggestions.size() == choices.size())
{
return choices;
}
return suggestions;
}
}