/*
* 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.sshd.util;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.util.Map;
import org.apache.sshd.server.ShellFactory;
/**
* TODO Add javadoc
*
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public class EchoShellFactory implements ShellFactory {
public Shell createShell() {
return new EchoShell();
}
protected static class EchoShell implements Shell, Runnable {
private InputStream in;
private OutputStream out;
private OutputStream err;
private ExitCallback callback;
private Thread thread;
public void setInputStream(InputStream in) {
this.in = in;
}
public void setOutputStream(OutputStream out) {
this.out = out;
}
public void setErrorStream(OutputStream err) {
this.err = err;
}
public void setExitCallback(ExitCallback callback) {
this.callback = callback;
}
public void start(Environment env) throws IOException {
thread = new Thread(this, "EchoShell");
thread.start();
}
public void destroy() {
thread.interrupt();
}
public void run() {
BufferedReader r = new BufferedReader(new InputStreamReader(in));
try {
for (;;) {
String s = r.readLine();
if (s == null) {
return;
}
out.write((s + "\n").getBytes());
out.flush();
if ("exit".equals(s)) {
return;
}
}
} catch (Exception e) {
e.printStackTrace();
} finally {
callback.onExit(0);
}
}
}
}