| /* |
| * 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.tuscany.sca.shell.jline; |
| |
| import java.awt.event.ActionEvent; |
| import java.awt.event.ActionListener; |
| import java.io.IOException; |
| import java.lang.reflect.Field; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import jline.Completor; |
| import jline.ConsoleReader; |
| |
| import org.apache.tuscany.sca.shell.Shell; |
| |
| /** |
| * Keep all the JLine specific code out of the Shell class so that it runs ok |
| * when jline isn't on the classpath. |
| */ |
| public class JLine { |
| |
| public static String readLine(Object r) throws IOException { |
| return ((ConsoleReader)r).readLine(); |
| } |
| |
| public static Object createJLineReader(final Shell shell) throws IOException { |
| ConsoleReader reader = new ConsoleReader(); |
| fixCtrlC(reader); |
| // Add a Ctrl-c listener |
| reader.addTriggeredAction((char)3, new ActionListener() { |
| public void actionPerformed(ActionEvent e) { |
| shell.bye(); |
| System.exit(0); |
| } |
| }); |
| reader.setBellEnabled(false); |
| // TODO: write a Completor specific to this that can handle the individual command arguments |
| List<Completor> completors = new LinkedList<Completor>(); |
| // completors.add(new SimpleCompletor(Shell.COMMANDS)); |
| // completors.add(new ICURICompletor(shell.node)); |
| // completors.add(new FileNameCompletor()); |
| // reader.addCompletor(new ArgumentCompletor(completors)); |
| reader.addCompletor(new TShellCompletor(shell)); |
| return reader; |
| } |
| |
| /** |
| * The windowsbindings.properties shipped inside jline maps ctrl-c to INSERT |
| * with the comment "(frankly, I wasn't sure where to bind this)". That does not |
| * seem a great choice as it disables ctrl-c interupt so this resets that binding. |
| */ |
| private static void fixCtrlC(ConsoleReader reader) { |
| try { |
| Field f = ConsoleReader.class.getDeclaredField("keybindings"); |
| f.setAccessible(true); |
| short[] keybindings = (short[])f.get(reader); |
| if (keybindings[3] == -48) keybindings[3] = 3; |
| } catch (Exception e) { |
| e.printStackTrace(); // shouldnt happen |
| } |
| } |
| } |