Java Utililty Methods Shell Command

String getJavaVersion(String command)
Retrieves the version of the java vm indicated by the command string.

String run_command = "'" + command + "' -version";
System.out.println(run_command);
Process p;
String[] args = { command, "-version" };
p = Runtime.getRuntime().exec(args);
p.waitFor();
BufferedReader reader = new BufferedReader(new InputStreamReader(p.getErrorStream()));
String line = reader.readLine();
...

int runCommand(final ProcessBuilder command)
run Command

final Process process = command.start();
new Thread(new Runnable() {
 @Override
 public void run() {
 try {
 final BufferedReader reader = new BufferedReader(
 new InputStreamReader(process.getInputStream()));
 try {
...

String runCommand(String cmd)
Run the specified command and return the output as a string.

try {
 Process p = Runtime.getRuntime().exec(cmd);
 BufferedReader cin = new BufferedReader(new InputStreamReader(p.getInputStream()));
 StringBuilder buffer = new StringBuilder();
 String line = "";
 while (line != null) {
 buffer.append(line);
 line = cin.readLine();
...

void runCommand(String cmd)
Calls runCommand/2 assuming that wait=true.

runCommand(cmd, true);

InputStream runCommand(String command)
run Command

System.out.println(command);
Process p = Runtime.getRuntime().exec(new String[] { "bash", "-c", command });
InputStream inputStream = p.getInputStream();
return inputStream;

String runCommand(String command)
run Command

Process p = Runtime.getRuntime().exec(command);
p.waitFor();
BufferedReader reader = new BufferedReader(new InputStreamReader(p.getInputStream()));
String line = "";
StringBuilder sb = new StringBuilder();
while ((line = reader.readLine()) != null)
 sb.append(line + "\n");
return sb.toString();
...

boolean runCommand(String command, String args, String file)
run Command

logOut("Trying to exec:\n cmd = " + command + "\n args = " + args + "\n %s = " + file);
String[] parts = prepareCommand(command, args, file);
try {
 Process p = Runtime.getRuntime().exec(parts);
 if (p == null)
 return false;
 try {
 int retval = p.exitValue();
...

void runCommand(String command[])
run Command

new ProcessBuilder(command).start();

String runCommand(String program, ArrayList args)
Helper function to run a system command and return the stdout / stderr as a string

ArrayList<String> command = new ArrayList<String>();
command.add(program);
if (args != null) {
 for (String arg : args) {
 command.add(arg);
System.out.println("RUNNING COMMAND :" + join(command, " "));
...

void runCommand(String s)
run Command

try {
 Runtime.getRuntime().exec(s);
} catch (IOException e) {
 e.printStackTrace();