Interface CommandSession

Method Details

• execute

  Object execute(CharSequence commandline) throws Exception

  Execute a program in this session.

  Parameters:

  commandline -

  Returns:

  the result of the execution

  Throws:

  Exception

• close

  void close()

  Close this command session. After the session is closed, it will throw IllegalStateException when it is used.

• getKeyboard

  InputStream getKeyboard()

  Return the input stream that is the first of the pipeline. This stream is sometimes necessary to communicate directly to the end user. For example, a "less" or "more" command needs direct input from the keyboard to control the paging.

  Returns:

  InpuStream used closest to the user or null if input is from a file.

• getConsole

  PrintStream getConsole()

  Return the PrintStream for the console. This must always be the stream "closest" to the user. This stream can be used to post messages that bypass the piping. If the output is piped to a file, then the object returned must be null.

  Returns:

• get

  Object get(String name)

  Get the value of a variable.

  Parameters:

  name -

  Returns:

• put

  void put(String name, Object value)

  Set the value of a variable.

  Parameters:

  name - Name of the variable.

  value - Value of the variable

• format

  CharSequence format(Object target, int level)

  Convert an object to string form (CharSequence). The level is defined in the Converter interface, it can be one of INSPECT, LINE, PART. This function always returns a non null value. As a last resort, toString is called on the Object.

  Parameters:

  target -

  level -

  Returns:

• convert

  Object convert(Class<?> type, Object instance)

  Convert an object to another type.