OutputRedirector.java

package folioxml.tools;

import java.io.*;

public class OutputRedirector {
    PrintStream stdout = null;
    PrintStream stderr = null;
    String filename = null;
    protected FileOutputStream out = null;

    public OutputRedirector(String filename) {
        this.filename = filename;
    }

    public void open() throws FileNotFoundException, UnsupportedEncodingException {
        //Save so we can restore them later.
        stdout = System.out;
        stderr = System.err;
        //Make the dir if it is missing
        if (!new java.io.File(filename).getParentFile().exists()) new java.io.File(filename).getParentFile().mkdirs();

        out = new FileOutputStream(filename);
        System.out.println("Redirecting output to " + filename);
        System.setOut(new PrintStream(out, true, "UTF-8"));
        System.setErr(new PrintStream(out, true, "UTF-8"));
    }

    public void close() throws IOException {
        if (out != null) {
            System.setOut(stdout);
            System.setErr(stderr);

            out.close();
        }
        out = null;
    }

}