Package org.apache.storm.utils

Class ShellCommandRunnerImpl

java.lang.Object

org.apache.storm.utils.ShellCommandRunnerImpl

All Implemented Interfaces:

ShellCommandRunner

public class ShellCommandRunnerImpl
extends Object
implements ShellCommandRunner

Constructor Summary

Constructors

Constructor	Description
ShellCommandRunnerImpl()

Method Summary

Modifier and Type	Method	Description
String	execCommand(String... cmd)	Method to execute a shell command.
String	execCommand(Map<String,String> env, String... cmd)	Method to execute a shell command.
String	execCommand(Map<String,String> env, String[] cmd, long timeout)	Method to execute a shell command.
String	getTokenSeparatorRegex()	Token separator regex used to parse Shell tool outputs.

Methods inherited from class java.lang.Object

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

Constructor Details

ShellCommandRunnerImpl

public ShellCommandRunnerImpl()

Method Details

execCommand

public String execCommand(String... cmd)
                   throws IOException

Description copied from interface: ShellCommandRunner

Method to execute a shell command. Covers most of the simple cases without requiring the user to implement the ShellUtils interface.

Specified by:

execCommand in interface ShellCommandRunner

Parameters:

cmd - shell command to execute.

Returns:

the output of the executed command.

Throws:

IOException

execCommand

public String execCommand(Map<String,String> env,
 String[] cmd,
 long timeout)
                   throws IOException

Description copied from interface: ShellCommandRunner

Method to execute a shell command. Covers most of the simple cases without requiring the user to implement the ShellUtils interface.

Specified by:

execCommand in interface ShellCommandRunner

Parameters:

env - the map of environment key=value

cmd - shell command to execute.

timeout - time in milliseconds after which script should be marked timeout

Returns:

the output of the executed command.

Throws:

IOException

execCommand

public String execCommand(Map<String,String> env,
 String... cmd)
                   throws IOException

Description copied from interface: ShellCommandRunner

Method to execute a shell command. Covers most of the simple cases without requiring the user to implement the ShellUtils interface.

Specified by:

execCommand in interface ShellCommandRunner

Parameters:

env - the map of environment key=value

cmd - shell command to execute.

Returns:

the output of the executed command.

Throws:

IOException

getTokenSeparatorRegex

public String getTokenSeparatorRegex()

Description copied from interface: ShellCommandRunner

Token separator regex used to parse Shell tool outputs.

Specified by:

getTokenSeparatorRegex in interface ShellCommandRunner