/*
* 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.karaf.shell.support.completers;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.apache.karaf.shell.api.console.Candidate;
import org.apache.karaf.shell.api.console.CommandLine;
import org.apache.karaf.shell.api.console.Completer;
import org.apache.karaf.shell.api.console.Session;
/**
* Completer which contains multiple completers and aggregates them together.
*/
public class AggregateCompleter implements Completer
{
private final Collection<Completer> completers;
public AggregateCompleter(final Collection<Completer> completers) {
assert completers != null;
this.completers = completers;
}
@SuppressWarnings({ "unchecked", "rawtypes" })
public int complete(final Session session, final CommandLine commandLine, final List<String> candidates) {
List<Candidate> cands = new ArrayList<>();
completeCandidates(session, commandLine, cands);
for (Candidate cand : cands) {
candidates.add(cand.value());
}
return 0;
}
@Override
public void completeCandidates(Session session, CommandLine commandLine, List<Candidate> candidates) {
// buffer could be null
assert candidates != null;
for (Completer completer : completers) {
completer.completeCandidates(session, commandLine, candidates);
}
}
}