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:util.DirUsageUnixUtil.java

/**
 * Uses du command on unix to get dir usage.
 *
 * @param dir // w  w  w  .j ava2s .  com
 * @param file
 * @throws DirException
 * @return String
 */
public String dirUsage(String dir, String file) throws DirException {
    try {
        Runtime runtime = Runtime.getRuntime();
        // It is important to break up the command into a String[] array
        // du -h --total -s
        Process proc = runtime.exec(new String[] { "/usr/bin/du", "-h", "--total", "-s", dir + file });
        InputStream stdin = null;
        int exitVal = proc.waitFor();
        if (exitVal == 0)
            stdin = proc.getInputStream();
        else
            stdin = proc.getErrorStream();
        InputStreamReader isr = new InputStreamReader(stdin);
        BufferedReader br = new BufferedReader(isr);
        StringBuffer output = new StringBuffer();
        String line = null;
        while ((line = br.readLine()) != null) {
            //System.out.println("line = " + line);
            output.append(line);
        }
        return output.toString();
    } catch (Exception e) {
        throw new DirException("Could not get dir usage", e);
    }
}

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From source file:org.eclipse.kura.deployment.customizer.upgrade.rp.UpgradeScriptResourceProcessorImpl.java

private void executeScript(File file) throws Exception {
    String path = file.getCanonicalPath();
    String[] cmdarray = { "/bin/bash", path };
    Runtime rt = Runtime.getRuntime();
    Process proc = null;//from  w  ww  .java 2s. c o  m
    try {
        proc = rt.exec(cmdarray);
        if (proc.waitFor() != 0) {
            s_logger.error("Script {} failed with exit value {}", path, proc.exitValue());
        }
        // FIXME: streams must be consumed concurrently
    } catch (Exception e) {
        s_logger.error("Error executing process for script {}", path, e);
        throw e;
    } finally {
        if (proc != null) {
            proc.destroy();
        }
    }
}

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From source file:com.web.controller.ToolController.java

@ResponseBody
@RequestMapping(value = "/tool/verifyapk", method = RequestMethod.POST)
public String verifyApk(@RequestParam("apkfile") MultipartFile file) {

    //keytool -list -printcert -jarfile d:\weixin653android980.apk
    //keytool -printcert -file D:\testapp\META-INF\CERT.RSA
    //System.out.println("12345");
    try {// www. j  a  v  a2  s  .c o  m
        OutputStream stream = new FileOutputStream(new File(file.getOriginalFilename()));
        BufferedOutputStream outputStream = new BufferedOutputStream(stream);
        outputStream.write(file.getBytes());
        outputStream.flush();
        outputStream.close();

        Runtime runtime = Runtime.getRuntime();
        String ccString = "keytool -list -printcert -jarfile C:\\Users\\Administrator\\Desktop\\zju1.1.8.2.apk";
        Process p = runtime.exec(ccString);

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

        StringBuilder sb = new StringBuilder();
        while (br.readLine() != null) {
            sb.append(br.readLine() + "<br/>");
        }
        p.destroy();
        p = null;
        return sb.toString();
    } catch (FileNotFoundException fe) {
        return fe.getMessage();
    } catch (IOException ioe) {
        return ioe.getMessage();
    }

}

---

From source file:net.sourceforge.pmd.cpd.CPDTest.java

/**
 * As java doesn't support symlinks in zip files, maven does not, too.
 * So, we are creating the symlinks manually here before the test.
 * @throws Exception any error//w w w .  j av  a 2  s.c o  m
 */
private void prepareSymLinks() throws Exception {
    if (canTestSymLinks) {
        Runtime runtime = Runtime.getRuntime();
        if (!new File(BASE_TEST_RESOURCE_PATH, "symlink-for-real-file.txt").exists()) {
            runtime.exec(new String[] { "ln", "-s", "real-file.txt",
                    BASE_TEST_RESOURCE_PATH + "symlink-for-real-file.txt" }).waitFor();
        }
        if (!new File(BASE_TEST_RESOURCE_PATH, "this-is-a-broken-sym-link-for-test").exists()) {
            runtime.exec(new String[] { "ln", "-s", "broken-sym-link",
                    BASE_TEST_RESOURCE_PATH + "this-is-a-broken-sym-link-for-test" }).waitFor();
        }
    }
}

---

From source file:com.orange.clara.cloud.servicedbdumper.acceptance.AcceptanceExternalTest.java

protected boolean isCfCliPluginAvailable() {
    Runtime rt = Runtime.getRuntime();
    Process proc = null;// w w w .  ja v  a  2s  .  c o  m
    try {
        proc = rt.exec(this.dbDumperCli());
        proc.waitFor();
    } catch (IOException | InterruptedException e) {
        return false;
    }
    int exitVal = proc.exitValue();
    return exitVal == 0;
}

---

From source file:uk.co.modularaudio.util.atomicio.unix.UnixAtomicFileUtilities.java

/**
 * <P>//from w  ww .  j  a  v a  2  s  .c  om
 * Use mv to move the file to its new name. On Unix MV is guaranteed to be
 * atomic (on the same partition).
 * </P>
 * <P>
 * <B>All paths should be ABSOLUTE, and must be on the same partition - and
 * working that out is left to the calling code.</B>
 * </P>
 *
 * @see uk.co.modularaudio.util.atomicio.AtomicFileUtilities#moveFile(String,
 *      String)
 */
@Override
public boolean moveFile(final String fromPath, final String toPath) throws IOException {
    boolean retVal = false;

    final File fromFile = new File(fromPath);
    final File toFile = new File(toPath);
    if (fromFile.getParentFile().getPath().equals(toFile.getParentFile().getPath())) {
        // Do java rename which is atomic if parent dirs are the same
        retVal = fromFile.renameTo(toFile);
    } else {

        if (fromPath == null || fromPath.equals("")) {
            final String msg = "AtomicFileUtilities does not support a NULL fromPath for copy.";
            log.error(msg);
            throw new IOException(msg);
        }

        if (toPath == null || toPath.equals("")) {
            final String msg = "AtomicFileUtilities does not support a NULL toPath for copy.";
            log.error(msg);
            throw new IOException(msg);
        }

        final String cmdArray[] = new String[3];
        cmdArray[0] = mvLocation;
        cmdArray[1] = fromPath;
        cmdArray[2] = toPath;

        // Simple system call. Or at least it would be simple, if we knew
        // where
        // the binary lives _all_ the time.
        final Runtime runtime = Runtime.getRuntime();
        final Process executor = runtime.exec(cmdArray);
        try {
            executor.waitFor();
            final int exitValue = executor.exitValue();

            if (exitValue != 0) {
                throw new IOException("Bad return value from UNIX " + mvLocation + ": " + exitValue);
            } else {
                retVal = true;
            }
        } catch (final InterruptedException ie) {
            final String errMsg = "Error waiting for mv child process to complete: " + ie.toString();
            log.error(errMsg);
            throw new IOException(errMsg);
        }
    }
    return retVal;
}

---

From source file:org.mifos.test.framework.util.DbUnitDataImportExport.java

private void dumpSql(String fileName) {
    // execute mysqldump and provide a reasonable error message if
    // mysqldump isn't found on the $PATH.

    System.out.print("dumping sql to: " + fileName + " ... ");

    try {/*from w  w w  . j  a va2  s.  co  m*/
        Runtime rt = Runtime.getRuntime();
        Process proc = rt.exec("mysqldump --password=" + password + " --user=" + user + " --result-file="
                + fileName + " " + databaseName);
        int exitVal = proc.waitFor();

        if (exitVal == 0) {
            System.out.println("done!");
        } else {
            System.err.println("ERROR: Wrong username, password and/or database name!");
        }
    } catch (IOException ioe) {
        System.err.println("ERROR: " + ioe.getMessage());

        System.err.println(
                "Please make sure that \"mysqldump\" is in your PATH.\nSee http://www.mifos.org/developers/install-mifos/install-windows#add-required-environment-variables for an example %Path on Windows.\nOn linux, run \"which mysqldump\" to find out which directory mysqldump is in, and add it to PATH.");
    } catch (InterruptedException ie) {
        System.err.println("ERROR (interruption): " + ie.getLocalizedMessage());
    }
}

---

From source file:camera.Camera.java

private void snapshot() {
    //      System.out.println("shot...");
    try {/*from ww  w  .java  2s.  c  om*/
        Runtime rt = Runtime.getRuntime();
        Process p;

        //            p = rt.exec("raspistill -n --nopreview -t 2000 -w 400 -h 300 -e jpg -o -");
        p = rt.exec("raspistill -n --nopreview -t 2000 -w 400 -h 300 -ex sports  -q 100 -e jpg -o -");

        Thread.sleep(2000); // sonst werden die bilder nicht sicher bereitgestellt
        byte[] currentImage = IOUtils.toByteArray(p.getInputStream());
        //System.out.println(currentImage.length + "   " + new Date());
        sendBild(currentImage);
        /*
                
         OutputStream out = null;
                
         try {
         out = new BufferedOutputStream(new FileOutputStream("/home/root/bilf.jpg"));
         out.write(currentImage);
         } finally {
         if (out != null) {
         out.close();
         }
         }
         */
        //client.disconnect();
        //client.close();
    } catch (Exception ex) {
        log.error(ex);
    }

}

---

From source file:br.com.autonomiccs.autonomic.plugin.common.utils.ShellCommandUtilsTest.java

@Test
public void executeCommandTest() throws IOException, InterruptedException {
    Process processMock = Mockito.mock(Process.class);
    Runtime runtimeMock = configureAndGetRuntimeMock();

    String commandOutput = "TEST";
    InputStream input = IOUtils.toInputStream(commandOutput, "utf-8");

    Mockito.when(runtimeMock.exec(command)).thenReturn(processMock);
    Mockito.when(processMock.waitFor()).thenReturn(1);
    Mockito.when(processMock.getInputStream()).thenReturn(input);

    String response = shellCommandUtils.executeCommand(command);
    Assert.assertEquals(commandOutput, response);
    Mockito.verify(processMock).waitFor();
}

---

From source file:uk.co.modularaudio.util.pooling.forkexec.ChildProcessExecutor.java

public ChildProcessExecutor(final String[] cmdArray) throws IOException {
    // log.debug("CPE Constructor called.");
    final Runtime runtime = Runtime.getRuntime();
    boolean wasError = false;
    try {//from   w ww  .  j  a va 2s .  co m
        this.process = runtime.exec(cmdArray);
    } catch (final SecurityException se) {
        log.warn("Caught se");
    } catch (final NullPointerException npe) {
        log.warn("Caught npe");
    } catch (final IOException ioe) {
        log.warn("Caught ioe");
    } catch (final Exception e) {
        log.warn("Caught e");
        wasError = true;
    }

    if (this.process == null) {
        wasError = true;
    }

    if (wasError) {
        throw new IOException("Unable to create child process " + cmdArray[0]);

    }
    inputStream = process.getInputStream();
    outputStream = process.getOutputStream();
    errorStream = process.getErrorStream();
}

---

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