Wednesday, March 4, 2020
How to execute batch (.bat) file from Java
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<dependency>
<groupId>org.codehaus.plexus</groupId>
<artifactId>plexus-utils</artifactId>
<version>3.0.24</version>
</dependency>
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And here is the complete program that execute bat file from Java
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/**
*
*/
package com.example;
import java.io.File;
import java.io.OutputStreamWriter;
import org.codehaus.plexus.util.cli.CommandLineException;
import org.codehaus.plexus.util.cli.CommandLineUtils;
import org.codehaus.plexus.util.cli.Commandline;
import org.codehaus.plexus.util.cli.WriterStreamConsumer;
public class BatRunner {
public BatRunner() {
String batfile = "run-java-program.bat";
String directory = "C:\\java-exec";
try {
runProcess(batfile, directory);
} catch (CommandLineException e) {
e.printStackTrace();
}
}
public void runProcess(String batfile, String directory) throws CommandLineException {
Commandline commandLine = new Commandline();
File executable = new File(directory + "/" +batfile);
commandLine.setExecutable(executable.getAbsolutePath());
WriterStreamConsumer systemOut = new WriterStreamConsumer(
new OutputStreamWriter(System.out));
WriterStreamConsumer systemErr = new WriterStreamConsumer(
new OutputStreamWriter(System.out));
int returnCode = CommandLineUtils.executeCommandLine(commandLine, systemOut, systemErr);
if (returnCode != 0) {
System.out.println("Something Bad Happened!");
} else {
System.out.println("Taa!! ddaa!!");
};
}
/**
* @param args
*/
public static void main(String[] args) {
new BatRunner();
}
}
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