Java Shell Command runShell(File workspace, String... shellElements)

Description

run Shell

License

Apache License

Declaration

public static String runShell(File workspace, String... shellElements) throws Exception 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.io.BufferedReader;
import java.io.File;
import java.io.InputStream;
import java.io.InputStreamReader;

public class Main {
    public static String runShell(File workspace, String... shellElements) throws Exception {
        ProcessBuilder pb;//from  w ww.j  a  va 2s .  c om
        Process process;

        StringBuilder result = new StringBuilder();
        InputStream in = null;
        InputStreamReader inReader = null;
        BufferedReader bufferReader = null;

        StringBuilder errorMsg = new StringBuilder();
        InputStream error = null;
        InputStreamReader errorReader = null;
        BufferedReader errorBufferReader = null;

        try {
            pb = new ProcessBuilder(shellElements).directory(workspace);
            process = pb.start();

            in = process.getInputStream();
            inReader = new InputStreamReader(in, "UTF-8");
            bufferReader = new BufferedReader(inReader);
            String line = null;

            error = process.getErrorStream();
            errorReader = new InputStreamReader(error);
            errorBufferReader = new BufferedReader(errorReader);
            String errorLine = null;

            while ((line = bufferReader.readLine()) != null || (errorLine = errorBufferReader.readLine()) != null) {
                if (line != null)
                    result.append(line);
                if (errorLine != null)
                    errorMsg.append(errorLine);
            }
            process.waitFor();

            if (!errorMsg.toString().isEmpty())
                throw new RuntimeException(errorMsg.toString());
            return result.toString();
        } finally {
            if (bufferReader != null)
                bufferReader.close();
            if (inReader != null)
                inReader.close();
            if (in != null)
                in.close();
        }
    }
}

Related

1. runCommandAndWait(String command, String workingDir, String extraPath)
2. runCommandArray(String[] command)
3. runCommandGetOutput(String startFolder, String[] args, int[] cmdReturnValue)
4. runCommandPrompt(final String commandLine, final IPath path)
5. runCommandWithOutput(String cmd)
6. runShell(String cmd)
7. runShell(String shStr)
8. runShellCommand(String command)
9. runShellCommand(String command)