text: /*
   * 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.service.command;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  import org.apache.karaf.shell.api.action.lifecycle.Reference;
  import org.apache.karaf.shell.api.action.lifecycle.Service;
  import org.apache.karaf.shell.api.console.CommandLine;
  import org.apache.karaf.shell.api.console.Completer;
  import org.apache.karaf.shell.api.console.Session;
  import org.apache.karaf.shell.support.completers.StringsCompleter;
  import org.osgi.framework.BundleContext;
  
  @Service
  public class ObjectClassCompleter implements Completer {
  
      @Reference
      private BundleContext context;
  
      public void setContext(BundleContext context) {
          this.context = context;
      }
  
      @Override
      public int complete(final Session session, final CommandLine commandLine, final List<String> candidates) {
          Map<String, Integer> serviceNamesMap = ListServices.getServiceNamesMap(context);
          Set<String> serviceNames = serviceNamesMap.keySet();
          List<String> strings = new ArrayList<>();
          for (String name : serviceNames) {
              strings.add(ObjectClassMatcher.getShortName(name));
          }
          strings.addAll(serviceNames);
          return new StringsCompleter(strings).complete(session, commandLine, candidates);
      }
  
  }
  