Pipe.java

/*
 * Copyright (C) 2015 drrb
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.github.drrb.rust.netbeans.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.Reader;
import java.io.Writer;
import static java.nio.charset.StandardCharsets.UTF_8;
import org.openide.util.Exceptions;

/**
 *
 */
public class Pipe implements Runnable {

    private final BufferedReader input;
    private final PrintWriter output;

    public static Pipe between(InputStream in, Writer out) {
        return new Pipe(new InputStreamReader(in, UTF_8), out);
    }

    public static Pipe between(Reader in, OutputStream out) {
        return new Pipe(in, new OutputStreamWriter(out, UTF_8));
    }

    public Pipe(Reader stdoutReader, Writer stdoutWriter) {
        this.input = new BufferedReader(stdoutReader);
        this.output = new PrintWriter(stdoutWriter);
    }

    @Override
    public void run() {
        try {
            transferAllLines();
        } catch (IOException ex) {
            Exceptions.printStackTrace(ex);
        }
    }

    private void transferAllLines() throws IOException {
        for (String line = input.readLine(); line != null; line = input.readLine()) {
            output.println(line);
        }
    }
}