| /* |
| * 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.felix.gogo.jline; |
| |
| import java.util.Collection; |
| import java.util.stream.Collectors; |
| |
| import org.apache.felix.gogo.runtime.Closure; |
| import org.apache.felix.gogo.runtime.CommandSessionImpl; |
| import org.apache.felix.service.command.CommandSession; |
| import org.jline.reader.impl.DefaultExpander; |
| |
| public class Expander extends DefaultExpander { |
| |
| private final CommandSession session; |
| |
| public Expander(CommandSession session) { |
| this.session = session; |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public String expandVar(String word) { |
| try { |
| Object o = org.apache.felix.gogo.runtime.Expander.expand( |
| word, |
| new Closure((CommandSessionImpl) session, null, null)); |
| if (o instanceof Collection) { |
| return ((Collection<Object>) o).stream() |
| .map(String::valueOf) |
| .collect(Collectors.joining(" ")); |
| } |
| else if (o != null) { |
| return o.toString(); |
| } |
| } catch (Exception e) { |
| // ignore |
| } |
| return word; |
| } |
| |
| } |