Example usage for java.lang Object toString

List of usage examples for java.lang Object toString

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Introduction

In this page you can find the example usage for java.lang Object toString.

Prototype

public String toString()

Source Link

Document

Returns a string representation of the object.

Usage

From source file:Main.java

public static void main(String args[]) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document doc = builder.newDocument();
    Element results = doc.createElement("Results");
    doc.appendChild(results);/*from w  w  w .j a va 2 s. c  o  m*/

    Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
    Connection con = DriverManager
            .getConnection("jdbc:odbc:Driver={Microsoft Access Driver (*.mdb)};DBQ=c:/access.mdb");

    ResultSet rs = con.createStatement().executeQuery("select * from product");

    ResultSetMetaData rsmd = rs.getMetaData();
    int colCount = rsmd.getColumnCount();

    while (rs.next()) {
        Element row = doc.createElement("Row");
        results.appendChild(row);
        for (int i = 1; i <= colCount; i++) {
            String columnName = rsmd.getColumnName(i);
            Object value = rs.getObject(i);
            Element node = doc.createElement(columnName);
            node.appendChild(doc.createTextNode(value.toString()));
            row.appendChild(node);
        }
    }
    DOMSource domSource = new DOMSource(doc);
    TransformerFactory tf = TransformerFactory.newInstance();
    Transformer transformer = tf.newTransformer();
    transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
    transformer.setOutputProperty(OutputKeys.METHOD, "xml");
    transformer.setOutputProperty(OutputKeys.ENCODING, "ISO-8859-1");
    StringWriter sw = new StringWriter();
    StreamResult sr = new StreamResult(sw);
    transformer.transform(domSource, sr);

    System.out.println(sw.toString());

    con.close();
    rs.close();
}

From source file:com.github.liyp.test.TestMain.java

@SuppressWarnings("unchecked")
public static void main(String[] args) {
    // add a shutdown hook to stop the server
    Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
        @Override//from  ww w  .  j a  v  a  2 s .c  o m
        public void run() {
            System.out.println("########### shoutdown begin....");
            try {
                Thread.sleep(10000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println("########### shoutdown end....");
        }
    }));

    System.out.println(args.length);
    Iterator<String> iterator1 = IteratorUtils
            .arrayIterator(new String[] { "one", "two", "three", "11", "22", "AB" });
    Iterator<String> iterator2 = IteratorUtils.arrayIterator(new String[] { "a", "b", "c", "33", "ab", "aB" });

    Iterator<String> chainedIter = IteratorUtils.chainedIterator(iterator1, iterator2);

    System.out.println("==================");

    Iterator<String> iter = IteratorUtils.filteredIterator(chainedIter, new Predicate() {
        @Override
        public boolean evaluate(Object arg0) {
            System.out.println("xx:" + arg0.toString());
            String str = (String) arg0;
            return str.matches("([a-z]|[A-Z]){2}");
        }
    });
    while (iter.hasNext()) {
        System.out.println(iter.next());
    }

    System.out.println("===================");

    System.out.println("asas".matches("[a-z]{4}"));

    System.out.println("Y".equals(null));

    System.out.println(String.format("%02d", 1000L));

    System.out.println(ArrayUtils.toString(splitAndTrim(" 11, 21,12 ,", ",")));

    System.out.println(new ArrayList<String>().toString());

    JSONObject json = new JSONObject("{\"keynull\":null}");
    json.put("bool", false);
    json.put("keya", "as");
    json.put("key2", 2212222222222222222L);
    System.out.println(json);
    System.out.println(json.get("keynull").equals(null));

    String a = String.format("{\"id\":%d,\"method\":\"testCrossSync\"," + "\"circle\":%d},\"isEnd\":true", 1,
            1);
    System.out.println(a.getBytes().length);

    System.out.println(new String[] { "a", "b" });

    System.out.println(new JSONArray("[\"aa\",\"\"]"));

    String data = String.format("%9d %s", 1, RandomStringUtils.randomAlphanumeric(10));
    System.out.println(data.getBytes().length);

    System.out.println(ArrayUtils.toString("1|2| 3|  333||| 3".split("\\|")));

    JSONObject j1 = new JSONObject("{\"a\":\"11111\"}");
    JSONObject j2 = new JSONObject(j1.toString());
    j2.put("b", "22222");
    System.out.println(j1 + " | " + j2);

    System.out.println("======================");

    String regex = "\\d+(\\-\\d+){2} \\d+(:\\d+){2}";
    Pattern pattern = Pattern.compile(regex);
    Matcher matcher = pattern.matcher("2015-12-28 15:46:14  _NC250_MD:motion de\n");
    String eventDate = matcher.find() ? matcher.group() : "";

    System.out.println(eventDate);
}

From source file:com.fjn.helper.common.util.StringUtil.java

public static void main(String[] args) {
    List list = new ArrayList();
    for (int i = 0; i < 10; i++)
        list.add("test");
    String src = StringUtil.collectionToString(list, ", ");
    log.info(src);//from  w w w  .j a  v  a  2  s  .  c o  m
    for (Object object : StringUtil.toList(src, ", ")) {
        log.info(object.toString());
    }
    log.info(StringUtil.isNull("") + "");
    log.info(StringUtil.isNull("  ") + "");
    log.info(StringUtil.isNull(null) + "");
    log.info(StringUtil.isNull("\n") + "");
}

From source file:net.roboconf.iaas.openstack.IaasOpenstack.java

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

    Map<String, String> conf = new HashMap<String, String>();

    java.util.Properties p = new java.util.Properties();
    p.load(new java.io.FileReader(args[0]));

    for (Object name : p.keySet()) {
        conf.put(name.toString(), p.get(name).toString());
    }//from   w w  w . ja  va  2 s .  co m
    // conf.put("openstack.computeUrl", "http://localhost:8888/v2");

    IaasOpenstack iaas = new IaasOpenstack();
    iaas.setIaasProperties(conf);

    String machineImageId = conf.get("openstack.image");
    String channelName = "test";
    String applicationName = "roboconf";
    String ipMessagingServer = "localhost";
    String serverId = iaas.createVM(machineImageId, ipMessagingServer, channelName, applicationName);
    /*Thread.sleep(25000);
    iaas.terminateVM(serverId);*/
}

From source file:eu.annocultor.converters.geonames.GeonamesDumpToRdf.java

public static void main(String[] args) throws Exception {
    File root = new File("input_source");

    // load country-continent match
    countryToContinent/*w w w  .j  a  v a2  s .c  o m*/
            .load((new GeonamesDumpToRdf()).getClass().getResourceAsStream("/country-to-continent.properties"));

    // creating files
    Map<String, BufferedWriter> files = new HashMap<String, BufferedWriter>();
    Map<String, Boolean> started = new HashMap<String, Boolean>();

    for (Object string : countryToContinent.keySet()) {
        String continent = countryToContinent.getProperty(string.toString());
        File dir = new File(root, continent);
        if (!dir.exists()) {
            dir.mkdir();
        }
        files.put(string.toString(), new BufferedWriter(new OutputStreamWriter(
                new FileOutputStream(new File(root, continent + "/" + string + ".rdf")), "UTF-8")));
        System.out.println(continent + "/" + string + ".rdf");
        started.put(string.toString(), false);
    }

    System.out.println(started);

    Pattern countryPattern = Pattern
            .compile("<inCountry rdf\\:resource\\=\"http\\://www\\.geonames\\.org/countries/\\#(\\w\\w)\"/>");
    long counter = 0;
    LineIterator it = FileUtils.lineIterator(new File(root, "all-geonames-rdf.txt"), "UTF-8");
    try {
        while (it.hasNext()) {
            String text = it.nextLine();
            if (text.startsWith("http://sws.geonames"))
                continue;

            // progress
            counter++;
            if (counter % 100000 == 0) {
                System.out.print("*");
            }
            //         System.out.println(counter);
            // get country
            String country = null;
            Matcher matcher = countryPattern.matcher(text);
            if (matcher.find()) {
                country = matcher.group(1);
            }
            //         System.out.println(country);
            if (country == null)
                country = "null";
            text = text.replace("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?><rdf:RDF",
                    "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?><rdf:RDF");
            if (started.get(country) == null)
                throw new Exception("Unknow country " + country);
            if (started.get(country).booleanValue()) {
                // remove RDF opening
                text = text.substring(text.indexOf("<rdf:RDF "));
                text = text.substring(text.indexOf(">") + 1);
            }
            // remove RDF ending
            text = text.substring(0, text.indexOf("</rdf:RDF>"));
            files.get(country).append(text + "\n");
            if (!started.get(country).booleanValue()) {
                // System.out.println("Started with country " + country);
            }
            started.put(country, true);
        }
    } finally {
        LineIterator.closeQuietly(it);
    }

    for (Object string : countryToContinent.keySet()) {
        boolean hasStarted = started.get(string.toString()).booleanValue();
        if (hasStarted) {
            BufferedWriter bf = files.get(string.toString());
            bf.append("</rdf:RDF>");
            bf.flush();
            bf.close();
        }
    }
    return;
}

From source file:Main.java

public static void main(String[] args) {
    ScriptEngine engine = new ScriptEngineManager().getEngineByExtension("js");

    String[] ops = { "+", "-", "*", "/" };

    JPanel gui = new JPanel(new BorderLayout(2, 2));
    JPanel labels = new JPanel(new GridLayout(0, 1));
    gui.add(labels, BorderLayout.WEST);
    labels.add(new JLabel("a"));
    labels.add(new JLabel("operand"));
    labels.add(new JLabel("b"));
    labels.add(new JLabel("="));

    JPanel controls = new JPanel(new GridLayout(0, 1));
    gui.add(controls, BorderLayout.CENTER);
    JTextField a = new JTextField(10);
    controls.add(a);//  w  ww  .  j  a  v  a 2  s  .c o m
    JComboBox operand = new JComboBox(ops);
    controls.add(operand);
    JTextField b = new JTextField(10);
    controls.add(b);
    JTextField output = new JTextField(10);
    controls.add(output);

    ActionListener al = new ActionListener() {
        public void actionPerformed(ActionEvent ae) {
            String expression = a.getText() + operand.getSelectedItem() + b.getText();
            try {
                Object result = engine.eval(expression);
                if (result == null) {
                    output.setText("Output was 'null'");
                } else {
                    output.setText(result.toString());
                }
            } catch (ScriptException se) {
                output.setText(se.getMessage());
            }
        }
    };

    operand.addActionListener(al);
    a.addActionListener(al);
    b.addActionListener(al);

    JOptionPane.showMessageDialog(null, gui);
}

From source file:ItemTest.java

public static void main(String args[]) {
    JFrame frame = new JFrame();
    Container contentPane = frame.getContentPane();

    ItemListener listener = new ItemListener() {
        public void itemStateChanged(ItemEvent e) {
            System.out.println("Source: " + name(e.getSource()));
            System.out.println("Item: " + name(e.getItem()));
            int state = e.getStateChange();
            System.out.println("State: " + ((state == ItemEvent.SELECTED) ? "Selected" : "Deselected"));
        }/*from  w w w  .  ja v a 2 s  .  c om*/

        private String name(Object o) {
            if (o instanceof JComponent) {
                JComponent comp = (JComponent) o;
                return comp.getName();
            } else {
                return o.toString();
            }
        }
    };

    JPanel panel = new JPanel(new GridLayout(0, 1));
    ButtonGroup group = new ButtonGroup();
    JRadioButton option = new JRadioButton("French Fries", true);
    option.setName(option.getText());
    option.addItemListener(listener);
    group.add(option);
    panel.add(option);
    option = new JRadioButton("Onion Rings", false);
    option.setName(option.getText());
    option.addItemListener(listener);
    group.add(option);
    panel.add(option);
    option = new JRadioButton("Ice Cream", false);
    option.setName(option.getText());
    option.addItemListener(listener);
    group.add(option);
    panel.add(option);
    contentPane.add(panel, BorderLayout.NORTH);

    String flavors[] = { "Item 1", "Item 2", "Item 3" };
    JComboBox jc = new JComboBox(flavors);
    jc.setName("Combo");
    jc.addItemListener(listener);
    jc.setMaximumRowCount(4);
    contentPane.add(jc, BorderLayout.SOUTH);

    frame.pack();
    frame.show();
}

From source file:ai.susi.tools.JsonSignature.java

public static void main(String[] args) throws Exception {
    KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
    keyGen.initialize(2048);//from  ww w.j  ava2 s. c o  m
    KeyPair keyPair = keyGen.genKeyPair();

    String jsonString = "{\n" + "        \"_id\": \"57b44e738d9af9fa2df13b27\",\n" + "        \"index\": 0,\n"
            + "        \"guid\": \"13af6838-08c8-4709-8dff-5ecb20bbaaa7\",\n" + "        \"isActive\": false,\n"
            + "        \"balance\": \"$2,092.08\",\n" + "        \"picture\": \"http://placehold.it/32x32\",\n"
            + "        \"age\": 22,\n" + "        \"eyeColor\": \"blue\",\n"
            + "        \"name\": \"Wyatt Jefferson\",\n" + "        \"gender\": \"male\",\n"
            + "        \"company\": \"GEEKFARM\",\n" + "        \"email\": \"wyattjefferson@geekfarm.com\",\n"
            + "        \"phone\": \"+1 (855) 405-2375\",\n"
            + "        \"address\": \"506 Court Street, Gambrills, Minnesota, 8953\",\n"
            + "        \"about\": \"Ea sunt quis non occaecat aliquip sint eiusmod. Aliquip id non ut sunt est laboris proident reprehenderit incididunt velit. Quis deserunt dolore aliqua voluptate magna laborum minim. Pariatur voluptate ad consequat culpa sit veniam eiusmod et ex ipsum.\\r\\n\",\n"
            + "        \"registered\": \"2015-08-08T03:21:53 -02:00\",\n"
            + "        \"latitude\": -39.880621,\n" + "        \"longitude\": 44.053688,\n"
            + "        \"tags\": [\n" + "            \"non\",\n" + "            \"cupidatat\",\n"
            + "            \"in\",\n" + "            \"Lorem\",\n" + "            \"tempor\",\n"
            + "            \"fugiat\",\n" + "            \"aliqua\"\n" + "        ],\n"
            + "        \"friends\": [\n" + "            {\n" + "                \"id\": 0,\n"
            + "                \"name\": \"Gail Blevins\"\n" + "            },\n" + "            {\n"
            + "                \"id\": 1,\n" + "                \"name\": \"Tricia Francis\"\n"
            + "            },\n" + "            {\n" + "                \"id\": 2,\n"
            + "                \"name\": \"Letitia Winters\"\n" + "            }\n" + "        ],\n"
            + "        \"greeting\": \"Hello, Wyatt Jefferson! You have 1 unread messages.\",\n"
            + "        \"favoriteFruit\": \"strawberry\"\n" + "    }";

    String jsonStringSimple = "{\n" + "        \"_id\": \"57b44e738d9af9fa2df13b27\",\n"
            + "        \"index\": 0,\n" + "        \"guid\": \"13af6838-08c8-4709-8dff-5ecb20bbaaa7\",\n"
            + "        \"isActive\": false,\n" + "        \"balance\": \"$2,092.08\",\n"
            + "        \"picture\": \"http://placehold.it/32x32\",\n" + "        \"age\": 22,\n"
            + "        \"eyeColor\": \"blue\",\n" + "        \"name\": \"Wyatt Jefferson\",\n"
            + "        \"gender\": \"male\",\n" + "        \"company\": \"GEEKFARM\",\n"
            + "        \"email\": \"wyattjefferson@geekfarm.com\",\n"
            + "        \"phone\": \"+1 (855) 405-2375\",\n"
            + "        \"address\": \"506 Court Street, Gambrills, Minnesota, 8953\",\n"
            + "        \"about\": \"Ea sunt quis non occaecat aliquip sint eiusmod. Aliquip id non ut sunt est laboris proident reprehenderit incididunt velit. Quis deserunt dolore aliqua voluptate magna laborum minim. Pariatur voluptate ad consequat culpa sit veniam eiusmod et ex ipsum.\\r\\n\",\n"
            + "        \"registered\": \"2015-08-08T03:21:53 -02:00\",\n"
            + "        \"latitude\": -39.880621,\n" + "        \"longitude\": 44.053688,\n" + "    }";

    JSONObject randomObj = new JSONObject(jsonString);
    JSONObject tmp = new JSONObject(jsonStringSimple);
    Map<String, byte[]> randomObj2 = new HashMap<String, byte[]>();
    for (String key : tmp.keySet()) {
        Object value = tmp.get(key);
        randomObj2.put(key, value.toString().getBytes());
    }

    addSignature(randomObj, keyPair.getPrivate());
    addSignature(randomObj2, keyPair.getPrivate());
    if (hasSignature(randomObj))
        System.out.println("Verify 1: " + verify(randomObj, keyPair.getPublic()));
    if (hasSignature(randomObj2))
        System.out.println("Verify 2: " + verify(randomObj, keyPair.getPublic()));
    removeSignature(randomObj);
    removeSignature(randomObj2);
}

From source file:com.rabbitmq.examples.FileConsumer.java

public static void main(String[] args) {
    Options options = new Options();
    options.addOption(new Option("h", "uri", true, "AMQP URI"));
    options.addOption(new Option("q", "queue", true, "queue name"));
    options.addOption(new Option("t", "type", true, "exchange type"));
    options.addOption(new Option("e", "exchange", true, "exchange name"));
    options.addOption(new Option("k", "routing-key", true, "routing key"));
    options.addOption(new Option("d", "directory", true, "output directory"));

    CommandLineParser parser = new GnuParser();

    try {/*from   www.java2 s.  c  o m*/
        CommandLine cmd = parser.parse(options, args);

        String uri = strArg(cmd, 'h', "amqp://localhost");
        String requestedQueueName = strArg(cmd, 'q', "");
        String exchangeType = strArg(cmd, 't', "direct");
        String exchange = strArg(cmd, 'e', null);
        String routingKey = strArg(cmd, 'k', null);
        String outputDirName = strArg(cmd, 'd', ".");

        File outputDir = new File(outputDirName);
        if (!outputDir.exists() || !outputDir.isDirectory()) {
            System.err.println("Output directory must exist, and must be a directory.");
            System.exit(2);
        }

        ConnectionFactory connFactory = new ConnectionFactory();
        connFactory.setUri(uri);
        Connection conn = connFactory.newConnection();

        final Channel ch = conn.createChannel();

        String queueName = (requestedQueueName.equals("") ? ch.queueDeclare()
                : ch.queueDeclare(requestedQueueName, false, false, false, null)).getQueue();

        if (exchange != null || routingKey != null) {
            if (exchange == null) {
                System.err.println("Please supply exchange name to bind to (-e)");
                System.exit(2);
            }
            if (routingKey == null) {
                System.err.println("Please supply routing key pattern to bind to (-k)");
                System.exit(2);
            }
            ch.exchangeDeclare(exchange, exchangeType);
            ch.queueBind(queueName, exchange, routingKey);
        }

        QueueingConsumer consumer = new QueueingConsumer(ch);
        ch.basicConsume(queueName, consumer);
        while (true) {
            QueueingConsumer.Delivery delivery = consumer.nextDelivery();
            Map<String, Object> headers = delivery.getProperties().getHeaders();
            byte[] body = delivery.getBody();
            Object headerFilenameO = headers.get("filename");
            String headerFilename = (headerFilenameO == null) ? UUID.randomUUID().toString()
                    : headerFilenameO.toString();
            File givenName = new File(headerFilename);
            if (givenName.getName().equals("")) {
                System.out.println("Skipping file with empty name: " + givenName);
            } else {
                File f = new File(outputDir, givenName.getName());
                System.out.print("Writing " + f + " ...");
                FileOutputStream o = new FileOutputStream(f);
                o.write(body);
                o.close();
                System.out.println(" done.");
            }
            ch.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
        }
    } catch (Exception ex) {
        System.err.println("Main thread caught exception: " + ex);
        ex.printStackTrace();
        System.exit(1);
    }
}

From source file:ws.moor.bt.grapher.Grapher.java

public static void main(String[] args) throws IOException {
    if (args.length != 1) {
        System.err.println("Please specify a tab-separated values file");
        System.exit(1);/*from   ww w .  j  a  v a 2  s .c  om*/
    }
    File file = new File(args[0]);
    final CSVMapCollector collector = new CSVMapCollector(
            new CSVSkipFilter(new CSVInputStream(new FileInputStream(file)), 0 * 1000));

    JFrame window = new JFrame("Grapher");
    window.setSize(1100, 800);
    window.setLayout(new BorderLayout());
    final ChartPanel chartPanel = new ChartPanel(null);

    List<String> possibleNames = collector.getAvailableStreams();
    Collections.sort(possibleNames);
    TreeNode root = convertToTree(possibleNames);

    final JTree tree = new JTree(root);
    tree.getSelectionModel().addTreeSelectionListener(new TreeSelectionListener() {
        public void valueChanged(TreeSelectionEvent e) {
            List<String> names = new ArrayList<String>();
            final TreePath[] paths = tree.getSelectionModel().getSelectionPaths();
            if (paths == null) {
                chartPanel.setChart(null);
                return;
            }
            for (TreePath path : paths) {
                Object lastPath = path.getLastPathComponent();
                if (lastPath instanceof DefaultMutableTreeNode) {
                    Object value = ((DefaultMutableTreeNode) lastPath).getUserObject();
                    if (value instanceof NodeValue) {
                        names.add(value.toString());
                    }
                }
            }
            chartPanel.setChart(createChart(collector, names.toArray(new String[names.size()])));
        }
    });
    Font font = tree.getFont();
    tree.setFont(font.deriveFont(10.0f));
    JScrollPane scrollPane = new JScrollPane(tree);

    JSplitPane splitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);
    splitPane.setLeftComponent(scrollPane);
    splitPane.setRightComponent(chartPanel);
    splitPane.setDividerLocation(200);

    window.setContentPane(splitPane);
    window.setVisible(true);
}