Java Utililty Methods exec

List of utility methods to do exec

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Description

The list of methods to do exec are organized into topic(s).

Method

StringexecuteCommandLinux(final String _command)
Execute linux command in terminal and return the result. 
Process p;
String answer = "", s;
try {
    p = Runtime.getRuntime().exec(_command);
    BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
    while ((s = br.readLine()) != null) {
        answer += s;
    p.waitFor();
    if (p.exitValue() == 0) {
        answer = EXECUTION_SUCCESS + ": " + answer;
    } else {
        answer = EXECUTION_FAILED + ": " + answer;
    p.destroy();
    return answer;
} catch (Exception e) {
    return EXECUTION_FAILED;
booleanexecuteDELETE(String parameters)
execute DELETE 
boolean deleteStatus = false;
try {
    File file = new File(executePWD() + File.separator + parameters);
    if (file.exists()) {
        deleteStatus = file.delete();
        System.out.println("is delete successful ? " + deleteStatus);
    } else {
        System.out.println(
...
FileexecuteDotCommand(final File dotFile)
Execute Graphviz dot's command to generate the pdf file. 
Process process;
int processCode;
File returnValue;
String dotCommand;
returnValue = new File(dotFile.getParent(), "schemas.pdf");
dotCommand = "dot -Tpdf " + dotFile.getAbsolutePath() + " -o " + returnValue.getAbsolutePath();
process = Runtime.getRuntime().exec(dotCommand);
processCode = process.waitFor();
...
voidexecuteGET(DataInputStream sockInp, DataOutputStream sockOutp)
execute GET 
try {
    String fileName = sockInp.readUTF();
    File getFile = null;
    if (fileName.indexOf(File.separator) > -1) {
        getFile = new File(fileName);
    } else {
        getFile = new File(executePWD() + File.separator + fileName);
    System.out.println(":::: getting file from Server path :: " + getFile.getAbsolutePath());
    if (getFile.exists()) {
        sockOutp.writeUTF("READY");
        System.out.println(":::: Server ready to send the file... ");
        FileInputStream fin = new FileInputStream(getFile);
        int ch;
        do {
            ch = fin.read();
            sockOutp.writeUTF(String.valueOf(ch));
        } while (ch != -1);
        fin.close();
        sockOutp.writeUTF("Server: File " + fileName + " sent successfully");
    } else {
        sockOutp.writeUTF("File Not Found");
        System.out.println(":::: GET file does not exist ::::");
} catch (Exception e) {
    System.out.println("::::Exception in Get file function:: " + e.getMessage());
intexecuteGetStatus(ProcessBuilder pb)
execute Get Status 
Process process;
try {
    process = pb.start();
    return processWaitGetStatus(process);
} catch (IOException e) {
    return -1;
MapexecuteIt(String command)
Execute the given system command and return a Map containing output results and exit value. 
StringBuilder output = new StringBuilder();
Process process = null;
try {
    process = Runtime.getRuntime().exec(command);
    Scanner sc = new Scanner(process.getInputStream());
    process.waitFor();
    while (sc.hasNext()) {
        output.append(sc.nextLine());
...
StringexecuteLocalCommand(String[] command)
execute Local Command 
StringBuffer output = new StringBuffer();
Process p;
try {
    p = Runtime.getRuntime().exec(command);
    p.waitFor();
    BufferedReader reader = new BufferedReader(new InputStreamReader(p.getInputStream()));
    String line = "";
    while ((line = reader.readLine()) != null) {
...
StringexecuteLS()
execute LS 
StringBuilder directoryList = new StringBuilder();
try {
    File files = new File(executePWD());
    File[] fList = files.listFiles();
    for (File f : fList)
        directoryList.append(f.getName() + "\t");
} catch (Exception e) {
    System.out.println("----Exception in LS command execution -----" + e.getMessage());
...
StringexecuteMemoryInfoProcess(String... command)
execute Memory Info Process 
ProcessBuilder procBuilder = new ProcessBuilder(command);
Process process = procBuilder.start();
InputStream is = process.getInputStream();
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
try {
    String line;
    while ((line = br.readLine()) != null) {
...
booleanexecuteNativeCommand(String command)
execute Native Command 
try {
    Runtime.getRuntime().exec(command);
    return true;
} catch (IOException e) {
return false;