Example usage for org.apache.commons.lang ArrayUtils isEmpty

Introduction

In this page you can find the example usage for org.apache.commons.lang ArrayUtils isEmpty.

Prototype

public static boolean isEmpty(boolean[] array) 

Source Link

Document

Checks if an array of primitive booleans is empty or null.

Usage

From source file:de.codesourcery.gittimelapse.Main.java

public static void main(String[] args) throws IOException, RevisionSyntaxException, GitAPIException {
    final Stack<String> argStack = new Stack<>();

    final String testFile = "/home/tgierke/workspace/voipmanager/voipmngr/voipmngr/build.xml";
    if (ArrayUtils.isEmpty(args) && new File(testFile).exists()) {
        argStack.push(testFile);/* w  w  w.jav  a2s  .  c om*/
    }

    File file = null;
    while (!argStack.isEmpty()) {
        if ("-d".equals(argStack.peek())) {
            DEBUG_MODE = true;
            argStack.pop();
        } else {
            file = new File(argStack.pop());
        }
    }

    if (file == null) {
        System.err.println("ERROR: Invalid command line.");
        System.err.println("Usage: [-d] <versioned file>\n");
        return;
    }

    final GitHelper helper = new GitHelper(file.getParentFile());

    MyFrame frame = new MyFrame(file, helper);
    frame.setPreferredSize(new Dimension(640, 480));
    frame.pack();
    frame.setVisible(true);
}

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From source file:de.codesourcery.jasm16.disassembler.Disassembler.java

public static void main(String[] args) throws IOException {

    if (ArrayUtils.isEmpty(args)) {
        System.err.println("ERROR: No input file");
        System.exit(1);/*from   w  w  w  . j  ava  2s. c o  m*/
    }
    if (args.length != 1) {
        System.err.println("ERROR: Bad command-line, expected exactly one input file.");
        System.exit(1);
    }

    final byte[] data = Misc.readBytes(new FileResource(new File(args[0]), ResourceType.OBJECT_FILE));
    System.out.println("Input file has " + data.length + " (" + Misc.toHexString(data.length) + ") bytes.");
    for (DisassembledLine line : new Disassembler().disassemble(data, true)) {
        System.out.println(Misc.toHexString(line.getAddress()) + ": " + line.getContents());
    }
}

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From source file:de.snertlab.xdccBee.ui.Application.java

public static void main(String args[]) {
    // INFO: Unter MacOsx muss jar wie folgt gestartet werden: java
    // -XstartOnFirstThread -jar
    try {/*w w w .  j a  v a 2 s  .co  m*/
        if (!ArrayUtils.isEmpty(args) && !args[0].equals("-debug")) {
            BeeLogger.removeConsoleHandler();
        }
        logger.info("xdccBee start");
        window = new Application();
        window.setBlockOnOpen(true);
        window.open();
        if (Display.getCurrent() != null && !Display.getCurrent().isDisposed()) {
            Display.getCurrent().dispose();
        }
    } catch (Exception e) {
        BeeLogger.exception(e);
        throw new RuntimeException(e);
    }
    System.exit(0);
}

---

From source file:at.tuwien.ifs.somtoolbox.apps.VisualisationImageSaver.java

public static void main(String[] args) {
    JSAPResult res = OptionFactory.parseResults(args, OPTIONS);

    String uFile = res.getString("unitDescriptionFile");
    String wFile = res.getString("weightVectorFile");
    String dwmFile = res.getString("dataWinnerMappingFile");
    String cFile = res.getString("classInformationFile");
    String vFile = res.getString("inputVectorFile");
    String tFile = res.getString("templateVectorFile");
    String ftype = res.getString("filetype");
    boolean unitGrid = res.getBoolean("unitGrid");

    String basename = res.getString("basename");
    if (basename == null) {
        basename = FileUtils.extractSOMLibInputPrefix(uFile);
    }/*from  www . j  ava 2s  .  c om*/
    basename = new File(basename).getAbsolutePath();
    int unitW = res.getInt("width");
    int unitH = res.getInt("height", unitW);

    String[] vizs = res.getStringArray("vis");

    GrowingSOM gsom = null;
    CommonSOMViewerStateData state = CommonSOMViewerStateData.getInstance();
    try {
        SOMLibFormatInputReader inputReader = new SOMLibFormatInputReader(wFile, uFile, null);
        gsom = new GrowingSOM(inputReader);

        SharedSOMVisualisationData d = new SharedSOMVisualisationData(cFile, null, null, dwmFile, vFile, tFile,
                null);
        d.readAvailableData();
        state.inputDataObjects = d;
        gsom.setSharedInputObjects(d);

        Visualizations.initVisualizations(d, inputReader, 0, Palettes.getDefaultPalette(),
                Palettes.getAvailablePalettes());

    } catch (FileNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        System.exit(1);
    } catch (SOMLibFileFormatException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        System.exit(1);
    }

    if (ArrayUtils.isEmpty(vizs)) {
        System.out.println("No specific visualisation specified - saving all available visualisations.");
        vizs = Visualizations.getReadyVisualizationNames();
        System.out.println("Found " + vizs.length + ": " + Arrays.toString(vizs));
    }

    for (String viz : vizs) {
        BackgroundImageVisualizerInstance v = Visualizations.getVisualizationByName(viz);
        if (v == null) {
            System.out.println("Visualization '" + viz + "' not found!");
            continue;
        }
        BackgroundImageVisualizer i = v.getVis();

        GrowingLayer layer = gsom.getLayer();
        try {
            int height = unitH * layer.getYSize();
            int width = unitW * layer.getXSize();
            HashMap<String, BufferedImage> visualizationFlavours = i.getVisualizationFlavours(v.getVariant(),
                    gsom, width, height);
            ArrayList<String> keys = new ArrayList<String>(visualizationFlavours.keySet());
            Collections.sort(keys);

            // if the visualisation has more than 5 flavours, we create a sub-dir for it
            String subDirName = "";
            String oldBasename = basename; // save original base name for later
            if (keys.size() > 5) {
                String parentDir = new File(basename).getParentFile().getPath(); // get the parent path
                String filePrefix = basename.substring(parentDir.length()); // end the file name prefix
                subDirName = parentDir + File.separator + filePrefix + "_" + viz + File.separator; // compose a new
                // subdir name
                new File(subDirName).mkdir(); // create the dir
                basename = subDirName + filePrefix; // and extend the base name by the subdir
            }
            for (String key : keys) {
                File out = new File(basename + "_" + viz + key + "." + ftype);
                System.out.println("Generating visualisation '" + viz + "' as '" + out.getPath() + "'.");
                BufferedImage image = visualizationFlavours.get(key);
                if (unitGrid) {
                    VisualisationUtils.drawUnitGrid(image, gsom, width, height);
                }
                ImageIO.write(image, ftype, out);
            }
            basename = oldBasename; // reset base name
        } catch (SOMToolboxException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
    System.exit(0);
}

---

From source file:com.hs.mail.deliver.Deliver.java

public static void main(String[] args) {
    CommandLine cli = null;//w  w w  .  ja  v  a 2s.  c  o  m
    try {
        cli = new PosixParser().parse(OPTS, args);
    } catch (ParseException e) {
        usage();
        System.exit(EX_USAGE);
    }

    // Configuration file path
    String config = cli.getOptionValue("c", DEFAULT_CONFIG_LOCATION);
    // Message file path
    File file = new File(cli.getOptionValue("p"));
    // Envelope sender address
    String from = cli.getOptionValue("f");
    // Destination mailboxes
    String[] rcpts = cli.getOptionValues("r");

    if (!file.exists()) {
        // Message file must exist
        logger.error("File not exist: " + file.getAbsolutePath());
        System.exit(EX_TEMPFAIL);
    }

    if (from == null || rcpts == null) {
        // If sender or recipients address was not specified, get the
        // addresses from the message header.
        InputStream is = null;
        try {
            is = new FileInputStream(file);
            MessageHeader header = new MessageHeader(is);
            if (from == null && header.getFrom() != null) {
                from = header.getFrom().getAddress();
            }
            if (rcpts == null) {
                rcpts = getRecipients(header);
            }
        } catch (IOException ex) {
            logger.error(ex.getMessage(), ex);
            System.exit(EX_TEMPFAIL);
        } finally {
            IOUtils.closeQuietly(is);
        }
    }

    if (from == null || ArrayUtils.isEmpty(rcpts)) {
        usage();
        System.exit(EX_USAGE);
    }

    Deliver deliver = new Deliver();

    deliver.init(config);
    // Spool the incoming message
    deliver.deliver(from, rcpts, file);

    System.exit(EX_OK);
}

---

From source file:de.hybris.platform.acceleratorservices.dataimport.batch.aop.AspectUtils.java

/**
 * Retrieves a header from the given arguments.
 * //from w w  w  . j a  v  a 2s.com
 * @param args
 * @return header
 */
public static BatchHeader getHeader(final Object[] args) {
    BatchHeader header = null;
    if (!ArrayUtils.isEmpty(args)) {
        final Object arg = args[0];
        if (arg instanceof BatchHeader) {
            header = (BatchHeader) arg;
        }
    }
    return header;
}

---

From source file:com.sunyue.util.calculator.core.ExpressionConverter.java

/**
 * Convert an infix expression to a postfix expression.
 * //from   w w w  . ja  v a  2  s.co m
 * @param exp
 *            expression parsed by ExpressionParser
 * @return postfix expression
 */
public static Object[] convert(Object[] exp) {
    if (ArrayUtils.isEmpty(exp)) {
        throw new CalculationException("Expression can not be empty");
    }
    // remember if brackets are coupled
    int coupled = 0;
    // out put postfix expression
    List<Object> out = new ArrayList<Object>();
    Stack<Object> opStack = new Stack<Object>();
    for (int i = 0; i < exp.length; i++) {
        if (exp[i] instanceof Operator) {
            // operator
            Operator op = (Operator) exp[i];
            while (true) {
                if (opStack.isEmpty()) {
                    opStack.push(op);
                    break;
                } else {
                    Object obj = opStack.peek();
                    if (!(obj instanceof Bracket)) {
                        Operator preOp = (Operator) opStack.peek();
                        if (op.getPriority() <= preOp.getPriority()) {
                            // pop and output operator with not lower
                            // priority
                            out.add(opStack.pop());
                        } else {
                            // push otherwise
                            opStack.push(op);
                            break;
                        }
                    } else {
                        // push when bracket on top
                        opStack.push(op);
                        break;
                    }
                }
            }
        } else if (Bracket.LEFT_BRACKET.equals(exp[i])) {
            opStack.push(exp[i]);
            coupled++;
        } else if (Bracket.RIGHT_BRACKET.equals(exp[i])) {
            if (coupled <= 0) {
                throw new CalculationException("Brackets are not coupled, missing left bracket (");
            }
            while (true) {
                Object op = opStack.pop();
                if (Bracket.LEFT_BRACKET.equals(op)) {
                    // eliminate coupled brackets
                    break;
                } else {
                    // pop and output until coupled left bracket
                    out.add(op);
                }
            }
            coupled--;
        } else {
            // general numbers
            out.add(exp[i]);
        }
    }
    if (coupled != 0) {
        throw new CalculationException("Brackets are not coupled, missing right bracket )");
    }
    // output rest elements
    while (!opStack.isEmpty()) {
        out.add(opStack.pop());
    }
    return out.toArray();
}

---

From source file:com.dianping.lion.util.UrlUtils.java

public static String resolveUrl(Map<String, ?> parameters, String... includes) {
    StringBuilder url = new StringBuilder();
    int index = 0;
    try {//  w w w . j a va  2s. c om
        if (parameters != null) {
            for (Entry<String, ?> entry : parameters.entrySet()) {
                Collection<Object> paramValues = new ArrayList<Object>();
                Object paramValue = entry.getValue();
                if (ArrayUtils.isEmpty(includes) || ArrayUtils.contains(includes, entry.getKey())) {
                    Class<? extends Object> paramClass = paramValue.getClass();
                    if (Collection.class.isInstance(paramValue)) {
                        paramValues.addAll((Collection<?>) paramValue);
                    } else if (paramClass.isArray()) {
                        Object[] valueArray = (Object[]) paramValue;
                        for (Object value : valueArray) {
                            paramValues.add(value);
                        }
                    } else {
                        paramValues.add(paramValue);
                    }
                    for (Object value : paramValues) {
                        url.append(index++ == 0 ? "" : "&").append(entry.getKey()).append("=")
                                .append(URLEncoder.encode(value.toString(), "utf-8"));
                    }
                }
            }
        }
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException(e);
    }
    return url.toString();
}

---

From source file:gov.nih.nci.caarray.services.external.v1_0.grid.client.GridApiUtils.java

static String getMessage(BaseFaultType fault) {
    if (!ArrayUtils.isEmpty(fault.getDescription())) {
        return fault.getDescription(0).get_value();
    }//  w w  w  . ja va  2 s  . com
    return null;
}

---

From source file:ch.nydi.aop.interceptor.Interceptors.java

/**
 * Creates an interceptor that chains other interceptors.
 * /*from w  w  w  .jav  a2 s  . c o m*/
 * @param interceptors
 *            instances of {@link MethodInterceptor}.
 * @return interceptor that enclose other interceptors or Interceptors.EMPTY instance if interceptors argument is
 *         null or empty
 */
public static MethodInterceptor create(final MethodInterceptor... interceptors) {

    if (ArrayUtils.isEmpty(interceptors)) {
        return Interceptors.EMPTY;
    }

    final List<MethodInterceptor> flatlist = new ArrayList<>();
    for (final MethodInterceptor interceptor : interceptors) {
        assert (interceptor != null);

        if (interceptor instanceof Interceptors) {
            flatlist.addAll(Arrays.asList(((Interceptors) interceptor).interceptors));
        } else if (EMPTY != interceptor) {
            flatlist.add(interceptor);
        }
    }
    if (flatlist.isEmpty()) {
        return EMPTY;
    } else if (flatlist.size() == 1) {
        return flatlist.get(0);
    }
    return new Interceptors(flatlist.toArray(new MethodInterceptor[flatlist.size()]));
}

---

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