Example usage for java.lang Runtime exec

Introduction

In this page you can find the example usage for java.lang Runtime exec.

Prototype

public Process exec(String cmdarray[]) throws IOException 

Source Link

Document

Executes the specified command and arguments in a separate process.

Usage

From source file:org.openstreetmap.josm.plugins.mapillary.utils.MapillaryUtils.java

/**
 * Open the default browser in the given URL.
 *
 * @param url The (not-null) URL that is going to be opened.
 * @throws IOException when the URL could not be opened
 *///from w w  w.jav a  2s .c  o  m
public static void browse(URL url) throws IOException {
    if (url == null) {
        throw new IllegalArgumentException();
    }
    Desktop desktop = Desktop.getDesktop();
    if (desktop.isSupported(Desktop.Action.BROWSE)) {
        try {
            desktop.browse(url.toURI());
        } catch (URISyntaxException e1) {
            throw new IOException(e1);
        }
    } else {
        Runtime runtime = Runtime.getRuntime();
        runtime.exec("xdg-open " + url);
    }
}

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From source file:theofilin.CameraApps.java

public static void BurstNow(JLabel tampil, double r_gain, double b_gain, int width, int height, int num)
        throws IOException {
    try {//from  w w  w  .j av a2  s .c  o m
        Runtime rt = Runtime.getRuntime();
        String command = "raspistill -n --raw -t 1 -sa 0 -co 0 -br 40 -sh 0 -awb off -awbg " + r_gain + ","
                + b_gain + " -ISO 200 -ss 45000 " + "-w " + width + " -h " + height + " -o -";
        Process p = rt.exec(command);

        InputStream is = p.getInputStream();
        byte[] curr = IOUtils.toByteArray(is);
        ImageIcon disp = new ImageIcon(curr);
        tampil.setIcon(disp);
        is = new ByteArrayInputStream(curr);
        img = ImageIO.read(is);
        ImageIO.write(img, "jpg", new File("/home/pi/" + num + ".jpg"));
    } catch (IOException ex) {
        Logger.getLogger(CameraApps.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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From source file:localization.split.java

public static boolean checkLPU(String filepath, String passoloPath) {
    File logfile = new File(filepath.substring(0, filepath.lastIndexOf("\\") + 1) + "error.log");
    try {/*from w w w. jav  a 2 s . com*/
        String cmd = "cmd.exe /c " + passoloPath + " /openproject:" + filepath;
        Runtime rt = Runtime.getRuntime();
        Process proc = rt.exec(cmd);
        InputStreamReader isr = new InputStreamReader(proc.getInputStream());
        BufferedReader br = new BufferedReader(isr);
        String line = null;
        while ((line = br.readLine()) != null) {
            if (line.contains("Opening in read-only mode")) {
                if (!logfile.exists()) {
                    logfile.createNewFile();
                }
                String content = filepath
                        + " is not able to process because it is a type of Passolo 2011. Please process it with Passolo 2011."
                        + "\n";
                FileWriter fw = new FileWriter(logfile.getAbsoluteFile());
                BufferedWriter bw = new BufferedWriter(fw);
                bw.write(content);
                bw.close();
                return false;
            }
        }
        int exitVal = proc.waitFor();
        if (exitVal == 10) {
            if (!logfile.exists()) {
                logfile.createNewFile();
            }
            String content = filepath
                    + " is not able to process because it is a type of Passolo 2011. Please process it with Passolo 2015."
                    + "\n";
            FileWriter fw = new FileWriter(logfile.getAbsoluteFile());
            BufferedWriter bw = new BufferedWriter(fw);
            bw.write(content);
            bw.close();
            return false;
        }

    } catch (Exception e) {
        try {
            String content = e.getMessage();
            FileWriter fw = new FileWriter(logfile.getAbsoluteFile());
            BufferedWriter bw = new BufferedWriter(fw);
            bw.write(content);
            bw.close();
        } catch (Exception e1) {

        }

        return false;
    }
    return true;
}

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From source file:Main.java

public static String[] execSQL(String dbName, String query) {
    Process process = null;//from   w  w  w  .  j a va  2s .co m
    Runtime runtime = Runtime.getRuntime();
    OutputStreamWriter outputStreamWriter;

    try {
        String command = dbName + " " + "'" + query + "'" + ";";
        process = runtime.exec("su");

        outputStreamWriter = new OutputStreamWriter(process.getOutputStream());

        outputStreamWriter.write("sqlite3 " + command);

        outputStreamWriter.flush();
        outputStreamWriter.close();
        outputStreamWriter.close();

    } catch (IOException e) {
        e.printStackTrace();
    }

    final InputStreamReader errorStreamReader = new InputStreamReader(process.getErrorStream());

    (new Thread() {
        @Override
        public void run() {
            try {

                BufferedReader bufferedReader = new BufferedReader(errorStreamReader);
                String s;
                while ((s = bufferedReader.readLine()) != null) {
                    Log.d("com.suraj.waext", "WhatsAppDBHelper:" + s);
                }

            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }

    }).start();

    try {
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream()));

        String s;
        StringBuilder op = new StringBuilder();

        while ((s = bufferedReader.readLine()) != null) {
            op.append(s).append("\n");
        }

        return op.toString().split("\n");
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return null;

}

---

From source file:org.apache.cloudstack.network.contrail.management.TestDbSetup.java

public static void stopMysqlServer(int port, String stopMysqlScript) throws Exception {

    try {/*from w ww. ja v a 2 s .  co  m*/
        Runtime r = Runtime.getRuntime();
        String script = stopMysqlScript;
        if (script == null) {
            script = "test/resources/mysql_db_stop.sh " + port;
        }
        Process process = r.exec("sh " + script);
        process.waitFor();
        System.out.println("sql server instance running at port " + port + " stopped");
    } catch (Exception e) {

        String cause = e.getMessage();
        if (cause.equals("sh: not found"))
            System.out.println("No sh interpreter found.");
        throw e;
    }
}

---

From source file:org.apache.cloudstack.network.contrail.management.TestDbSetup.java

public static void startMysqlServer(int port, String startMysqlScript) throws Exception {

    try {/*from   w w  w  . ja va2  s  .  com*/
        String cwd = new java.io.File(".").getCanonicalPath();
        Runtime r = Runtime.getRuntime();
        String script = startMysqlScript;
        if (script == null) {
            script = "test/resources/mysql_db_start.sh " + port;
        }
        Process process = r.exec("sh " + cwd + "/" + script);
        process.waitFor();
        System.out.println("new sql server instance launched on port: " + port);
    } catch (Exception e) {

        String cause = e.getMessage();
        if (cause.equals("sh: not found"))
            System.out.println("No sh interpreter found.");
        throw e;
    }
}

---

From source file:Exec.java

static Process execUnix(String[] cmdarray, String[] envp, File directory) throws IOException {
    // instead of calling command directly, we'll call the shell to change
    // directory and set environment variables.

    // start constructing the sh command line.
    StringBuffer buf = new StringBuffer();

    if (directory != null) {
        // change to directory
        buf.append("cd '");
        buf.append(escapeQuote(directory.toString()));
        buf.append("'; ");
    }/*from  ww  w .  j a  v a  2  s .c  om*/

    if (envp != null) {
        // set environment variables.  Quote the value (but not the name).
        for (int i = 0; i < envp.length; ++i) {
            String nameval = envp[i];
            int equals = nameval.indexOf('=');
            if (equals == -1)
                throw new IOException("environment variable '" + nameval + "' should have form NAME=VALUE");
            buf.append(nameval.substring(0, equals + 1));
            buf.append('\'');
            buf.append(escapeQuote(nameval.substring(equals + 1)));
            buf.append("\' ");
        }
    }

    // now that we have the directory and environment, run "which" 
    // to test if the command name is found somewhere in the path.
    // If "which" fails, throw an IOException.
    String cmdname = escapeQuote(cmdarray[0]);
    Runtime rt = Runtime.getRuntime();
    String[] sharray = new String[] { "sh", "-c", buf.toString() + " which \'" + cmdname + "\'" };
    Process which = rt.exec(sharray);
    try {
        which.waitFor();
    } catch (InterruptedException e) {
        throw new IOException("interrupted");
    }

    if (which.exitValue() != 0)
        throw new IOException("can't execute " + cmdname + ": bad command or filename");

    // finish in 
    buf.append("exec \'");
    buf.append(cmdname);
    buf.append("\' ");

    // quote each argument in the command
    for (int i = 1; i < cmdarray.length; ++i) {
        buf.append('\'');
        buf.append(escapeQuote(cmdarray[i]));
        buf.append("\' ");
    }

    System.out.println("executing " + buf);
    sharray[2] = buf.toString();
    return rt.exec(sharray);
}

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From source file:opendap.aws.glacier.BesMetadataExtractor.java

private static String runSysCommand(String sysCmd) throws IOException {

    Process p = null;/* w  w  w  .j a  va 2 s.co m*/

    try {
        System.out.println("COMMAND: " + sysCmd);

        Runtime rt = Runtime.getRuntime();
        p = rt.exec(sysCmd.toString());
        InputStream in = p.getInputStream();
        OutputStream out = p.getOutputStream();
        InputStream err = p.getErrorStream();

        CharArrayWriter caw = new CharArrayWriter();

        IOUtils.copy(in, caw);
        IOUtils.copy(err, System.err);

        return caw.toString();
    } finally {
        if (p != null)
            p.destroy();
    }

}

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From source file:com.krawler.portal.util.SystemEnv.java

public static Properties getProperties() {
    Properties props = new Properties();

    try {//  w w  w . j  a va  2  s .  co m
        Runtime runtime = Runtime.getRuntime();
        Process process = null;

        String osName = System.getProperty("os.name").toLowerCase();

        if (osName.indexOf("windows ") > -1) {
            if (osName.indexOf("windows 9") > -1) {
                process = runtime.exec("command.com /c set");
            } else {
                process = runtime.exec("cmd.exe /c set");
            }
        } else {
            process = runtime.exec("env");
        }

        BufferedReader br = new BufferedReader(new InputStreamReader(process.getInputStream()));

        String line;

        while ((line = br.readLine()) != null) {
            int pos = line.indexOf(StringPool.EQUAL);

            if (pos != -1) {
                String key = line.substring(0, pos);
                String value = line.substring(pos + 1);

                props.setProperty(key, value);
            }
        }
    } catch (IOException ioe) {
        logger.warn(ioe.getMessage(), ioe);
    }

    return props;
}

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From source file:net.morimekta.idltool.IdlUtils.java

public static Git getCacheRepository(File cacheDir, String repository) throws IOException, GitAPIException {
    File repoCache = getCacheDirectory(cacheDir, repository);

    Runtime runtime = Runtime.getRuntime();
    if (!repoCache.exists()) {
        Process p = runtime
                .exec(new String[] { "git", "clone", repository, repoCache.getAbsoluteFile().toString() });
        try {//  ww w .j  a va  2s  .  c  om
            int response = p.waitFor();
            if (response != 0) {
                throw new IOException(IOUtils.readString(p.getErrorStream()));
            }
        } catch (InterruptedException e) {
            throw new IOException(e.getMessage(), e);
        }
    } else {
        Process p = runtime.exec(new String[] { "git", "fetch", "origin", "-p" }, null, repoCache);
        try {
            int response = p.waitFor();
            if (response != 0) {
                throw new IOException(IOUtils.readString(p.getErrorStream()));
            }
        } catch (InterruptedException e) {
            throw new IOException(e.getMessage(), e);
        }

        p = runtime.exec(new String[] { "git", "add", "-A" }, null, repoCache);
        try {
            int response = p.waitFor();
            if (response != 0) {
                throw new IOException(IOUtils.readString(p.getErrorStream()));
            }
        } catch (InterruptedException e) {
            throw new IOException(e.getMessage(), e);
        }

        p = runtime.exec(new String[] { "git", "reset", "origin/master", "--hard" }, null, repoCache);
        try {
            int response = p.waitFor();
            if (response != 0) {
                throw new IOException(IOUtils.readString(p.getErrorStream()));
            }
        } catch (InterruptedException e) {
            throw new IOException(e.getMessage(), e);
        }
    }
    return Git.open(repoCache);
}

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