| /* |
| * 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.io.InputStream; |
| import java.io.PrintStream; |
| import java.nio.file.Path; |
| |
| import org.apache.felix.gogo.runtime.CommandProcessorImpl; |
| import org.apache.felix.service.command.CommandSession; |
| import org.apache.felix.service.threadio.ThreadIO; |
| |
| public class Context extends CommandProcessorImpl |
| { |
| public static final String EMPTY = ""; |
| |
| private final CommandSession session; |
| |
| public Context(ThreadIO threadio, InputStream in, PrintStream out, PrintStream err) |
| { |
| super(threadio); |
| Shell shell = new Shell(new MyContext(), this); |
| addCommand("gogo", this, "addCommand"); |
| addCommand("gogo", this, "removeCommand"); |
| addCommand("gogo", this, "eval"); |
| register(this, new Builtin(), Builtin.functions); |
| register(this, new Procedural(), Procedural.functions); |
| register(this, new Posix(this), Posix.functions); |
| register(this, shell, Shell.functions); |
| session = createSession(in, out, err); |
| } |
| |
| static void register(CommandProcessorImpl processor, Object target, String[] functions) { |
| for (String function : functions) { |
| processor.addCommand("gogo", target, function); |
| } |
| } |
| |
| private static class MyContext implements Shell.Context { |
| |
| public String getProperty(String name) { |
| return System.getProperty(name); |
| } |
| |
| public void exit() { |
| System.exit(0); |
| } |
| } |
| |
| public Object execute(CharSequence source) throws Exception |
| { |
| Object result = new Exception(); |
| try |
| { |
| return result = session.execute(source); |
| } |
| finally |
| { |
| System.err.println("execute<" + source + "> = (" |
| + (null == result ? "Null" : result.getClass().getSimpleName()) + ")(" |
| + result + ")\n"); |
| } |
| } |
| |
| public void addCommand(String function, Object target) |
| { |
| addCommand("test", target, function); |
| } |
| |
| public Object set(String name, Object value) |
| { |
| return session.put(name, value); |
| } |
| |
| public Object get(String name) |
| { |
| return session.get(name); |
| } |
| |
| public void currentDir(Path path) { |
| session.currentDir(path); |
| } |
| |
| public Path currentDir() { |
| return session.currentDir(); |
| } |
| } |