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/*
* 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.sftp.util;
import org.apache.sshd.common.Factory;
import org.apache.sshd.server.Command;
import org.apache.sshd.server.Environment;
import org.apache.sshd.server.ExitCallback;
import java.io.*;
/**
* TODO Add javadoc
*
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public class EchoShellFactory
implements Factory
<Command
> {
public Command create
() {
return new EchoShell
();
}
public static class EchoShell
implements Command,
Runnable {
private InputStream in
;
private OutputStream out
;
private OutputStream err
;
private ExitCallback callback
;
private Environment environment
;
private Thread thread
;
public InputStream getIn
() {
return in
;
}
public OutputStream getOut
() {
return out
;
}
public OutputStream getErr
() {
return err
;
}
public Environment getEnvironment
() {
return environment
;
}
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 {
environment = env
;
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);
}
}
}
}