org.jboss.galleon.cli.AbstractCompleter Maven / Gradle / Ivy
/*
* Copyright 2016-2019 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed 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.jboss.galleon.cli;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.aesh.command.completer.OptionCompleter;
/**
* Base class for completion of discrete values.
*
* @author [email protected]
*/
public abstract class AbstractCompleter implements OptionCompleter {
@Override
public void complete(PmCompleterInvocation completerInvocation) {
List items = getItems(completerInvocation);
if (items != null && !items.isEmpty()) {
List candidates = new ArrayList<>();
String opBuffer = completerInvocation.getGivenCompleteValue();
if (opBuffer.isEmpty()) {
candidates.addAll(items);
} else {
for (String name : items) {
if (name.startsWith(opBuffer)) {
candidates.add(name);
}
}
Collections.sort(candidates);
}
completerInvocation.addAllCompleterValues(candidates);
}
}
protected abstract List getItems(PmCompleterInvocation completerInvocation);
}