做网站的三个软件深圳seo优化服务
/**
* 通过ssh远程执行命令
*
* @param target
* 目标
* @param cmd
* 命令
* @param handler
* 执行结果的处理器
* @param rsEncoding
* 错误信息的字符集，为空默认为UTF-8
* @throws IOException
* 连接或执行命令错误抛出异常，原因在e.getMessage()
*/
public static void execCmd(ExecTarget target, String cmd, ExecResultHandler handler,
String rsEncoding) throws IOException
{
AssertUtil.notNull(target, "SshTarget can not be null.");
AssertUtil.hasText(cmd, "ssh cmd must has text.");
String charset = StringTools.hasText(rsEncoding) ? rsEncoding : "UTF-8";
Session session = null;
Channel channel = null;
try
{
session = newSession(target);
channel = session.openChannel("exec");
((ChannelExec) channel).setCommand(cmd);
// 接收错误信息
PipedOutputStream errOut = new PipedOutputStream();
PipedInputStream errIn = new PipedInputStream(errOut);
((ChannelExec) channel).setErrStream(errOut);
// 接收结果信息
InputStream in = channel.getInputStream();
String uid = UUID.randomUUID().toString();
File file = new File(FileHelper.getTmpPath() + "/sshRs-" + uid + ".txt");
FileOutputStream fos = new FileOutputStream(file);
channel.connect();
FileCopyUtils.copy(in, fos);// 将结果存放至文件
// 判断是否正常退出
exitChannel(channel, errIn, charset);
errOut.close();
if (handler != null) handler.handle(file);
}
catch (JSchException e)
{
throw new IOException(e.getMessage());
}
catch (InterruptedException e)
{
logger.error(e.getMessage(), e);
}
finally
{
if (channel != null) channel.disconnect();
if (session != null) session.disconnect();
}
}
2011年11月28日 17:18
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