/**
* Assigns the error PrintStream to a temporary text file. This is to allow a log file
* (creativityGAResults.log) to be created which holds log data from running the program, for
* later analysis.
*
* @return a copy of the original System.err PrintStream, for later re-assignment
*/
static PrintStream divertStandardError() {
// Save the current standard input, output, and error streams
// for later restoration.
PrintStream origErr = System.err;
try {
File error = new File("creativityGAResults.log");
error.createNewFile();
} catch (Exception e) {
e.printStackTrace(origErr);
}
try {
System.setErr(new PrintStream(new FileOutputStream("creativityGAResults.log")));
} catch (Exception e) {
e.printStackTrace(origErr);
}
return origErr;
}
/**
* Assigns the output PrintStream to a temporary text file. This is because parts of the JMusic
* package produce a lot of output to the console which isn't needed and clutters up the console.
*
* @return a copy of the original System.out PrintStream, for later re-assignment
*/
static PrintStream divertStandardOutput() {
// Save the current standard input, output, and error streams
// for later restoration.
PrintStream origOut = System.out;
try {
File output = new File("temp_output.txt");
output.createNewFile();
} catch (Exception e) {
e.printStackTrace(origOut);
}
try {
System.setOut(new PrintStream(new FileOutputStream("temp_output.txt")));
} catch (Exception e) {
e.printStackTrace(origOut);
}
return origOut;
}