BashLoader.java

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package com.neuronrobotics.bowlerstudio.scripting;
 
import java.io.BufferedReader;
import java.io.File;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
 
import com.neuronrobotics.video.OSUtil;
 
public class BashLoader implements IScriptingLanguage {
 
    @Override
    public Object inlineScriptRun(File code, ArrayList<Object> args) throws Exception {
        // List<String> asList = Arrays.asList("bash",code.getAbsolutePath());
        ArrayList<String> commands = new ArrayList<>();
        commands.add("bash");
        commands.add(code.getAbsolutePath());
        if (args != null) {
            for (Object o : args) {
                commands.add(o.toString());
            }
        }
        ProcessBuilder pb = new ProcessBuilder(commands);
        // setting the directory
        pb.directory(code.getParentFile());
        // startinf the process
        Process process = pb.start();
 
        // for reading the ouput from stream
        BufferedReader stdInput = new BufferedReader(new InputStreamReader(process.getInputStream()));
        BufferedReader errInput = new BufferedReader(new InputStreamReader(process.getErrorStream()));
 
        String s = null;
        String e = null;
        Thread.sleep(100);
        ArrayList<String> back = new ArrayList<>();
        while ((s = stdInput.readLine()) != null || (e = errInput.readLine()) != null) {
            if (s != null) {
                back.add(s);
                System.out.println(s);
            }
            if (e != null)
                System.out.println(e);
            //
        }
        process.waitFor();
        process.exitValue();
 
        while (process.isAlive()) {
            Thread.sleep(100);
        }
        return back;
    }
 
    @Override
    public Object inlineScriptRun(String code, ArrayList<Object> args) throws Exception {
        throw new RuntimeException("Bash scripts have to be sent as files");
    }
 
    @Override
    public String getShellType() {
        return "Bash";
    }
 
    @Override
    public ArrayList<String> getFileExtenetion() {
        if (OSUtil.isWindows())
            return new ArrayList<>();
        return new ArrayList<>(Arrays.asList(".sh", ".bash"));
    }
 
    public String getDefaultContents() {
        return "echo Hello World";
    }
 
    @Override
    public boolean getIsTextFile() {
        // TODO Auto-generated method stub
        return true;
    }
 
}