notes/pl/java/libfws/io/zt-exec.txt

https://github.com/zeroturnaround/zt-exec
https://github.com/zeroturnaround/zt-process-killer

https://docs.oracle.com/javase/8/docs/api/java/lang/ProcessBuilder.html

https://zeroturnaround.com/rebellabs/how-to-deal-with-subprocesses-in-java/
http://automated-testing.info/t/kak-zapustit-shell-komandu-sredstvami-java/10333/5

https://github.com/zeroturnaround/zt-exec/blob/master/src/main/java/org/zeroturnaround/exec/ProcessExecutor.java
    startInternal  java.lang.Process process, WaitForProcess
https://github.com/zeroturnaround/zt-exec/blob/master/src/main/java/org/zeroturnaround/exec/stream/StreamPumper.java
https://github.com/zeroturnaround/zt-exec/blob/master/src/main/java/org/zeroturnaround/exec/stream/PumpStreamHandler.java

import org.zeroturnaround.exec.stream.LogOutputStream;
import org.zeroturnaround.exec.stream.slf4j.Slf4jStream;

(new ProcessExecutor().command(...))
    .environment("foo", "bar")
    .environment(env) // Map<String, String> env
    .redirectInput(is) // InputStream ByteArrayInputStream
    .redirectOutput(Slf4jStream.of(
        LoggerFactory.getLogger(getClass().getName() + ".MyProcess")
    ).asInfo())
    .redirectOutput(out) // OutputStream out ...
    .redirectOutput(Slf4jStream.of(
        "MyProcess"
    ).asInfo())
    .redirectError(...)
    .redirectOutputAlsoTo(...)
    .redirectErrorAlsoTo(...)

    .exitValue(3) // ? expect 3 as correct exit val
    .readOutput(true)
    .execute()
        .outputUTF8(); // do we need a .readOutput(true) ?
        .getExitValue();


new LogOutputStream() {
    @Override protected void processLine(String line) { ... }
}