org.aoju.bus.health

Class Command

java.lang.Object

org.aoju.bus.health.Command

public class Command
extends Object

A class for executing on the command line and returning the result of execution.

Since:

JDK 1.8+

Version:

5.5.3

Author:

Kimi Liu

Method Summary

Modifier and Type	Method and Description
static String	getAnswerAt(String cmd2launch, int answerIdx) Return response on selected line index (0-based) after running selected command.
static String	getFirstAnswer(String cmd2launch) Return first line of response for selected command.
static List<String>	runNative(String cmdToRun) Executes a command on the native command line and returns the result.
static List<String>	runNative(String[] cmdToRunWithArgs) Executes a command on the native command line and returns the result line by line.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

runNative

public static List<String> runNative(String cmdToRun)

Executes a command on the native command line and returns the result. This is a convenience method to call Runtime.exec(String) and capture the resulting output in a list of Strings. On Windows, built-in commands not associated with an executable program may require cmd.exe /c to be prepended to the command.

Parameters:

cmdToRun - Command to run

Returns:

A list of Strings representing the result of the command, or empty string if the command failed

runNative

public static List<String> runNative(String[] cmdToRunWithArgs)

Executes a command on the native command line and returns the result line by line. This is a convenience method to call Runtime.exec(String[]) and capture the resulting output in a list of Strings. On Windows, built-in commands not associated with an executable program may require the strings cmd.exe and /c to be prepended to the array.

Parameters:

cmdToRunWithArgs - Command to run and args, in an array

Returns:

A list of Strings representing the result of the command, or empty string if the command failed

getFirstAnswer

public static String getFirstAnswer(String cmd2launch)

Return first line of response for selected command.

Parameters:

cmd2launch - String command to be launched

Returns:

String or empty string if command failed

getAnswerAt

public static String getAnswerAt(String cmd2launch,
                                 int answerIdx)

Return response on selected line index (0-based) after running selected command.

Parameters:

cmd2launch - String command to be launched

answerIdx - int index of line in response of the command

Returns:

String whole line in response or empty string if invalid index or running of command fails