/**
 * Example to redirect the standard streams to files.
 *
 * @author Stefan Schnell <mail@stefan-schnell.de>
 * @license MIT
 * @version 0.1.1
 *
 * Set the system property in the control center:
 * com.vmware.scripting.javascript.allow-native-object = true
 */

// Stores the base of the standard streams
var standardOut = java.lang.System.out;
var standardErr = java.lang.System.err;


var uuid = System.nextUUID();

// Generates file names, with the temporary directory as target
var stdoutFileName = System.appendToPath(
  System.getTempDirectory(), uuid + "_stdout.txt"
);
var stderrFileName = System.appendToPath(
  System.getTempDirectory(), uuid + "_stderr.txt"
);


// Redirects the standard output streams to the files
java.lang.System.setOut(
  java.io.PrintStream(java.io.FileOutputStream(stdoutFileName))
);
java.lang.System.setErr(
  java.io.PrintStream(java.io.FileOutputStream(stderrFileName))
);


// Here an example to send a few information to the standard output
// streams, otherwise your code would be here.
System.stdout("System.stdout: Hello standard output stream");
java.lang.System.out.println("java.lang.System.out.println: " +
  "Hello standard output stream");

System.stderr("System.stderr: Hello standard error output stream");
java.lang.System.err.println("java.lang.System.err.println: " +
  "Hello standard error output stream");


// Redirects the standard stream to the base
java.lang.System.setOut(java.io.PrintStream(standardOut));
java.lang.System.setErr(java.io.PrintStream(standardErr));


// Reads the files and outputs the information
var stdoutReadFile = new FileReader(stdoutFileName);
if (stdoutReadFile.exists) {
  stdoutReadFile.open();
  System.log(stdoutReadFile.readAll());
  stdoutReadFile.close();
}

var stderrReadFile = new FileReader(stderrFileName);
if (stderrReadFile.exists) {
  stderrReadFile.open();
  System.log(stderrReadFile.readAll());
  stderrReadFile.close();
}


// Deletes the files
var stdoutFile = new File(stdoutFileName);
stdoutFile.deleteFile();

var stderrFile = new File(stderrFileName);
stderrFile.deleteFile();