Sample version of the commandline tool

gistfile1.java

package org.languagetool.commandline;

import java.io.*;

public class StdinTest {

    public static void main (String [] args) throws Exception {
        StdinTest stdinTest = new StdinTest();
    }

    public StdinTest() throws Exception {

        InputStreamReader isr = null;
        BufferedReader br = null;

        for (int i = 0; i< 4; i++) {
            isr = getInputStreamReader("-", null);
            br = new BufferedReader(isr);

            String line;
            StringBuilder sb = new StringBuilder();

            while ((line = br.readLine()) != null) {
                sb.append(line);
            }

            System.out.println(sb);

            br.close();
            isr.close();
        }
    }

    private InputStreamReader getInputStreamReader(String filename, String encoding)
            throws UnsupportedEncodingException, FileNotFoundException {
        final InputStreamReader isr;
        if (!"-".equals(filename)) {
            final File file = new File(filename);
            if (encoding != null) {
                isr = new InputStreamReader(new BufferedInputStream(
                        new FileInputStream(file.getAbsolutePath())), encoding);
            } else {
                isr = new InputStreamReader(new BufferedInputStream(
                        new FileInputStream(file.getAbsolutePath())));
            }
        } else {
            if (encoding != null) {
                isr = new InputStreamReader(new BufferedInputStream(System.in), encoding);
            } else {
                isr = new InputStreamReader(new BufferedInputStream(System.in));
            }
        }
        return isr;
    }
}