Package org.springframework.batch.core.step.tasklet

Class JvmCommandRunner

java.lang.Object

org.springframework.batch.core.step.tasklet.JvmCommandRunner

All Implemented Interfaces:

CommandRunner

public class JvmCommandRunner
extends Object
implements CommandRunner

Implementation of the CommandRunner interface that calls the standard Runtime.exec(java.lang.String) method. It should be noted that there is no unit tests for this class, since there is only one line of actual code, that would only be testable by mocking Runtime.

Since:

5.0

Author:

Stefano Cordio, Mahmoud Ben Hassine

Constructor Summary

Constructors

Constructor	Description
JvmCommandRunner()

Method Summary

Modifier and Type	Method	Description
Process	exec(String[] command, String[] envp, File dir)	Delegate call to Runtime.exec(java.lang.String) with the arguments provided.

Methods inherited from class java.lang.Object

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

Constructor Details

JvmCommandRunner

public JvmCommandRunner()

Method Details

exec

public Process exec(String[] command,
 String[] envp,
 File dir)
             throws IOException

Delegate call to Runtime.exec(java.lang.String) with the arguments provided.

Specified by:

exec in interface CommandRunner

Parameters:

command - a specified system command and its arguments.

envp - array of strings, each element of which has environment variable settings in the format name=value, or null if the subprocess should inherit the environment of the current process.

dir - the working directory of the subprocess, or null if the subprocess should inherit the working directory of the current process.

Returns:

A new Process object for managing the subprocess

Throws:

IOException - If an I/O error occurs

See Also:

• CommandRunner.exec(String[], String[], File)