| /** |
| * 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.camel.component.ssh; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| import org.apache.sshd.server.Command; |
| import org.apache.sshd.server.CommandFactory; |
| import org.apache.sshd.server.Environment; |
| import org.apache.sshd.server.ExitCallback; |
| |
| public class EchoCommandFactory implements CommandFactory { |
| |
| @Override |
| public Command createCommand(String command) { |
| return new EchoCommand(command); |
| } |
| |
| protected static class EchoCommand implements Command, Runnable { |
| private String command; |
| private OutputStream out; |
| private OutputStream err; |
| private ExitCallback callback; |
| private Thread thread; |
| |
| public EchoCommand(String command) { |
| this.command = command; |
| } |
| |
| @Override |
| public void setInputStream(InputStream in) { |
| } |
| |
| @Override |
| public void setOutputStream(OutputStream out) { |
| this.out = out; |
| } |
| |
| @Override |
| public void setErrorStream(OutputStream err) { |
| this.err = err; |
| } |
| |
| @Override |
| public void setExitCallback(ExitCallback callback) { |
| this.callback = callback; |
| } |
| |
| @Override |
| public void start(Environment env) throws IOException { |
| thread = new Thread(this, "EchoCommand"); |
| thread.start(); |
| } |
| |
| @Override |
| public void destroy() { |
| thread.interrupt(); |
| } |
| |
| @Override |
| public void run() { |
| boolean succeeded = true; |
| String message = null; |
| try { |
| // we set the error with the same command message |
| err.write("Error:".getBytes()); |
| err.write(command.getBytes()); |
| err.flush(); |
| out.write(command.getBytes()); |
| out.flush(); |
| } catch (Exception e) { |
| succeeded = false; |
| message = e.toString(); |
| } finally { |
| if (succeeded) { |
| callback.onExit(0); |
| } else { |
| callback.onExit(1, message); |
| } |
| } |
| } |
| } |
| } |