Example usage for java.lang String equals

List of usage examples for java.lang String equals

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Introduction

In this page you can find the example usage for java.lang String equals.

Prototype

public boolean equals(Object anObject)

Source Link

Document

Compares this string to the specified object.

Usage

From source file:edu.umd.shrawanraina.SequentialPersonalizedPageRank.java

@SuppressWarnings({ "static-access" })
public static void main(String[] args) throws IOException {
    Options options = new Options();

    options.addOption(OptionBuilder.withArgName("path").hasArg().withDescription("input path").create(INPUT));
    options.addOption(//from  w ww.  j  av a 2 s  . co  m
            OptionBuilder.withArgName("val").hasArg().withDescription("random jump factor").create(JUMP));
    options.addOption(OptionBuilder.withArgName("node").hasArg()
            .withDescription("source node (i.e., destination of the random jump)").create(SOURCE));

    CommandLine cmdline = null;
    CommandLineParser parser = new GnuParser();

    try {
        cmdline = parser.parse(options, args);
    } catch (ParseException exp) {
        System.err.println("Error parsing command line: " + exp.getMessage());
        System.exit(-1);
    }

    if (!cmdline.hasOption(INPUT) || !cmdline.hasOption(SOURCE)) {
        System.out.println("args: " + Arrays.toString(args));
        HelpFormatter formatter = new HelpFormatter();
        formatter.setWidth(120);
        formatter.printHelp(SequentialPersonalizedPageRank.class.getName(), options);
        ToolRunner.printGenericCommandUsage(System.out);
        System.exit(-1);
    }

    String infile = cmdline.getOptionValue(INPUT);
    final String source = cmdline.getOptionValue(SOURCE);
    float alpha = cmdline.hasOption(JUMP) ? Float.parseFloat(cmdline.getOptionValue(JUMP)) : 0.15f;

    int edgeCnt = 0;
    DirectedSparseGraph<String, Integer> graph = new DirectedSparseGraph<String, Integer>();

    BufferedReader data = new BufferedReader(new InputStreamReader(new FileInputStream(infile)));

    String line;
    while ((line = data.readLine()) != null) {
        line.trim();
        String[] arr = line.split("\\t");

        for (int i = 1; i < arr.length; i++) {
            graph.addEdge(new Integer(edgeCnt++), arr[0], arr[i]);
        }
    }

    data.close();

    if (!graph.containsVertex(source)) {
        System.err.println("Error: source node not found in the graph!");
        System.exit(-1);
    }

    WeakComponentClusterer<String, Integer> clusterer = new WeakComponentClusterer<String, Integer>();

    Set<Set<String>> components = clusterer.transform(graph);
    int numComponents = components.size();
    System.out.println("Number of components: " + numComponents);
    System.out.println("Number of edges: " + graph.getEdgeCount());
    System.out.println("Number of nodes: " + graph.getVertexCount());
    System.out.println("Random jump factor: " + alpha);

    // Compute personalized PageRank.
    PageRankWithPriors<String, Integer> ranker = new PageRankWithPriors<String, Integer>(graph,
            new Transformer<String, Double>() {
                public Double transform(String vertex) {
                    return vertex.equals(source) ? 1.0 : 0;
                }
            }, alpha);

    ranker.evaluate();

    // Use priority queue to sort vertices by PageRank values.
    PriorityQueue<Ranking<String>> q = new PriorityQueue<Ranking<String>>();
    int i = 0;
    for (String pmid : graph.getVertices()) {
        q.add(new Ranking<String>(i++, ranker.getVertexScore(pmid), pmid));
    }

    // Print PageRank values.
    System.out.println("\nPageRank of nodes, in descending order:");
    Ranking<String> r = null;
    while ((r = q.poll()) != null) {
        System.out.println(r.rankScore + "\t" + r.getRanked());
    }
}

From source file:com.netflix.suro.SuroServer.java

public static void main(String[] args) throws IOException {
    final AtomicReference<Injector> injector = new AtomicReference<Injector>();

    try {//from w ww  .j  a  v  a 2 s  . c o m
        // Parse the command line
        Options options = createOptions();
        final CommandLine line = new BasicParser().parse(options, args);

        // Load the properties file
        final Properties properties = new Properties();
        if (line.hasOption('p')) {
            properties.load(new FileInputStream(line.getOptionValue('p')));
        }

        // Bind all command line options to the properties with prefix "SuroServer."
        for (Option opt : line.getOptions()) {
            String name = opt.getOpt();
            String value = line.getOptionValue(name);
            String propName = PROP_PREFIX + opt.getArgName();
            if (propName.equals(DynamicPropertyRoutingMapConfigurator.ROUTING_MAP_PROPERTY)) {
                properties.setProperty(DynamicPropertyRoutingMapConfigurator.ROUTING_MAP_PROPERTY,
                        FileUtils.readFileToString(new File(value)));
            } else if (propName.equals(DynamicPropertySinkConfigurator.SINK_PROPERTY)) {
                properties.setProperty(DynamicPropertySinkConfigurator.SINK_PROPERTY,
                        FileUtils.readFileToString(new File(value)));
            } else if (propName.equals(DynamicPropertyInputConfigurator.INPUT_CONFIG_PROPERTY)) {
                properties.setProperty(DynamicPropertyInputConfigurator.INPUT_CONFIG_PROPERTY,
                        FileUtils.readFileToString(new File(value)));
            } else {
                properties.setProperty(propName, value);
            }
        }

        create(injector, properties);
        injector.get().getInstance(LifecycleManager.class).start();

        Runtime.getRuntime().addShutdownHook(new Thread() {
            @Override
            public void run() {
                try {
                    Closeables.close(injector.get().getInstance(LifecycleManager.class), true);
                } catch (IOException e) {
                    // do nothing because Closeables.close will swallow IOException
                }
            }
        });

        waitForShutdown(getControlPort(properties));
    } catch (Throwable e) {
        System.err.println("SuroServer startup failed: " + e.getMessage());
        System.exit(-1);
    } finally {
        Closeables.close(injector.get().getInstance(LifecycleManager.class), true);
    }
}

From source file:comparetopics.CompareTopics.java

/**
 * @param args the command line arguments
 *///from   w  w  w.  j  a  v  a 2s .  c  om
public static void main(String[] args) {
    try {
        File file1 = new File(
                "/Users/apple/Desktop/graduation-project/topic-modeling/output/jhotdraw-extracted-code/keys.txt");
        File file2 = new File(
                "/Users/apple/Desktop/graduation-project/topic-modeling/output/jhotdraw-extracted-code/keys.txt");

        CompareTopics compareTopics = new CompareTopics();
        String[] words1 = compareTopics.getWords(file1);
        String[] words2 = compareTopics.getWords(file2);
        StringBuffer words = new StringBuffer();

        File outputFile = new File("/Users/apple/Desktop/test.txt");
        if (outputFile.createNewFile()) {
            System.out.println("Create successful: " + outputFile.getName());
        }
        boolean hasSame = false;

        for (String w1 : words1) {
            if (!NumberUtils.isNumber(w1)) {
                for (String w2 : words2) {
                    if (w1.equals(w2)) {
                        words.append(w1);
                        //                            words.append("\r\n");
                        words.append(" ");
                        hasSame = true;
                        break;
                    }
                }
            }
        }
        if (!hasSame) {
            System.out.println("No same word.");
        } else {
            compareTopics.printToFile(words.toString(), outputFile);
        }

    } catch (IOException ex) {
        Logger.getLogger(CompareTopics.class.getName()).log(Level.SEVERE, null, ex);
    }

}

From source file:org.eclipse.swt.snippets.Snippet128.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 128");
    GridLayout gridLayout = new GridLayout();
    gridLayout.numColumns = 3;/*ww  w  . jav  a  2  s  .  c  om*/
    shell.setLayout(gridLayout);
    ToolBar toolbar = new ToolBar(shell, SWT.NONE);
    ToolItem itemBack = new ToolItem(toolbar, SWT.PUSH);
    itemBack.setText("Back");
    ToolItem itemForward = new ToolItem(toolbar, SWT.PUSH);
    itemForward.setText("Forward");
    ToolItem itemStop = new ToolItem(toolbar, SWT.PUSH);
    itemStop.setText("Stop");
    ToolItem itemRefresh = new ToolItem(toolbar, SWT.PUSH);
    itemRefresh.setText("Refresh");
    ToolItem itemGo = new ToolItem(toolbar, SWT.PUSH);
    itemGo.setText("Go");

    GridData data = new GridData();
    data.horizontalSpan = 3;
    toolbar.setLayoutData(data);

    Label labelAddress = new Label(shell, SWT.NONE);
    labelAddress.setText("Address");

    final Text location = new Text(shell, SWT.BORDER);
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    data.horizontalSpan = 2;
    data.grabExcessHorizontalSpace = true;
    location.setLayoutData(data);

    final Browser browser;
    try {
        browser = new Browser(shell, SWT.NONE);
    } catch (SWTError e) {
        System.out.println("Could not instantiate Browser: " + e.getMessage());
        display.dispose();
        return;
    }
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    data.verticalAlignment = GridData.FILL;
    data.horizontalSpan = 3;
    data.grabExcessHorizontalSpace = true;
    data.grabExcessVerticalSpace = true;
    browser.setLayoutData(data);

    final Label status = new Label(shell, SWT.NONE);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 2;
    status.setLayoutData(data);

    final ProgressBar progressBar = new ProgressBar(shell, SWT.NONE);
    data = new GridData();
    data.horizontalAlignment = GridData.END;
    progressBar.setLayoutData(data);

    /* event handling */
    Listener listener = event -> {
        ToolItem item = (ToolItem) event.widget;
        String string = item.getText();
        if (string.equals("Back"))
            browser.back();
        else if (string.equals("Forward"))
            browser.forward();
        else if (string.equals("Stop"))
            browser.stop();
        else if (string.equals("Refresh"))
            browser.refresh();
        else if (string.equals("Go"))
            browser.setUrl(location.getText());
    };
    browser.addProgressListener(new ProgressListener() {
        @Override
        public void changed(ProgressEvent event) {
            if (event.total == 0)
                return;
            int ratio = event.current * 100 / event.total;
            progressBar.setSelection(ratio);
        }

        @Override
        public void completed(ProgressEvent event) {
            progressBar.setSelection(0);
        }
    });
    browser.addStatusTextListener(event -> status.setText(event.text));
    browser.addLocationListener(LocationListener.changedAdapter(event -> {
        if (event.top)
            location.setText(event.location);
    }));
    itemBack.addListener(SWT.Selection, listener);
    itemForward.addListener(SWT.Selection, listener);
    itemStop.addListener(SWT.Selection, listener);
    itemRefresh.addListener(SWT.Selection, listener);
    itemGo.addListener(SWT.Selection, listener);
    location.addListener(SWT.DefaultSelection, e -> browser.setUrl(location.getText()));

    shell.open();
    browser.setUrl("http://eclipse.org");

    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:SimpleMenu.java

/** A simple test program for the above code */
public static void main(String[] args) {
    // Get the locale: default, or specified on command-line
    Locale locale;//from   w  ww . jav  a2  s . c om
    if (args.length == 2)
        locale = new Locale(args[0], args[1]);
    else
        locale = Locale.getDefault();

    // Get the resource bundle for that Locale. This will throw an
    // (unchecked) MissingResourceException if no bundle is found.
    ResourceBundle bundle = ResourceBundle.getBundle("com.davidflanagan.examples.i18n.Menus", locale);

    // Create a simple GUI window to display the menu with
    final JFrame f = new JFrame("SimpleMenu: " + // Window title
            locale.getDisplayName(Locale.getDefault()));
    JMenuBar menubar = new JMenuBar(); // Create a menubar.
    f.setJMenuBar(menubar); // Add menubar to window

    // Define an action listener for that our menu will use.
    ActionListener listener = new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            String s = e.getActionCommand();
            Component c = f.getContentPane();
            if (s.equals("red"))
                c.setBackground(Color.red);
            else if (s.equals("green"))
                c.setBackground(Color.green);
            else if (s.equals("blue"))
                c.setBackground(Color.blue);
        }
    };

    // Now create a menu using our convenience routine with the resource
    // bundle and action listener we've created
    JMenu menu = SimpleMenu.create(bundle, "colors", new String[] { "red", "green", "blue" }, listener);

    // Finally add the menu to the GUI, and pop it up
    menubar.add(menu); // Add the menu to the menubar
    f.setSize(300, 150); // Set the window size.
    f.setVisible(true); // Pop the window up.
}

From source file:org.apache.ftpserver.main.Daemon.java

/**
 * Main entry point for the daemon/*from www.j a  va  2  s . c o m*/
 * @param args The arguments
 * @throws Exception
 */
public static void main(String[] args) throws Exception {
    try {
        if (server == null) {
            // get configuration
            server = getConfiguration(args);
            if (server == null) {
                LOG.error("No configuration provided");
                throw new FtpException("No configuration provided");
            }
        }

        String command = "start";

        if (args != null && args.length > 0) {
            command = args[0];
        }

        if (command.equals("start")) {
            LOG.info("Starting FTP server daemon");
            server.start();

            synchronized (lock) {
                lock.wait();
            }
        } else if (command.equals("stop")) {
            synchronized (lock) {
                lock.notify();
            }
            LOG.info("Stopping FTP server daemon");
            server.stop();
        }
    } catch (Throwable t) {
        LOG.error("Daemon error", t);
    }
}

From source file:ArraySet.java

public static void main(String[] args) throws java.io.IOException {
    ArraySet set = new ArraySet();
    java.io.BufferedReader in = new java.io.BufferedReader(new java.io.InputStreamReader(System.in));
    while (true) {
        System.out.print(set.size() + ":"); //OK
        for (Iterator it = set.iterator(); it.hasNext();) {
            System.out.print(" " + it.next()); //OK
        }//from w ww . j  ava  2  s .  co  m
        System.out.println(); //OK
        System.out.print("> "); //OK
        String cmd = in.readLine();
        if (cmd == null)
            break;
        cmd = cmd.trim();
        if (cmd.equals("")) {
            ;
        } else if (cmd.startsWith("+")) {
            set.add(cmd.substring(1));
        } else if (cmd.startsWith("-")) {
            set.remove(cmd.substring(1));
        } else if (cmd.startsWith("?")) {
            boolean ret = set.contains(cmd.substring(1));
            System.out.println("  " + ret); //OK
        } else {
            System.out.println("unrecognized command"); //OK
        }
    }
}

From source file:StringDemo2.java

public static void main(String args[]) {
    String strOb1 = "First String";
    String strOb2 = "Second String";
    String strOb3 = strOb1;/*w w w  . j a v  a 2s  .c om*/

    System.out.println("Length of strOb1: " + strOb1.length());

    System.out.println("Char at index 3 in strOb1: " + strOb1.charAt(3));

    if (strOb1.equals(strOb2))
        System.out.println("strOb1 == strOb2");
    else
        System.out.println("strOb1 != strOb2");

    if (strOb1.equals(strOb3))
        System.out.println("strOb1 == strOb3");
    else
        System.out.println("strOb1 != strOb3");
}

From source file:org.apache.smscserver.main.Daemon.java

/**
 * Main entry point for the daemon/*from  w w  w .j a  v a2 s  .c o m*/
 * 
 * @param args
 *            The arguments
 * @throws Exception
 */
public static void main(String[] args) throws Exception {
    try {
        if (Daemon.server == null) {
            // get configuration
            Daemon.server = Daemon.getConfiguration(args);
            if (Daemon.server == null) {
                Daemon.LOG.error("No configuration provided");
                throw new SmscException("No configuration provided");
            }
        }

        String command = "start";

        if ((args != null) && (args.length > 0)) {
            command = args[0];
        }

        if (command.equals("start")) {
            Daemon.LOG.info("Starting SMSC server daemon");
            Daemon.server.start();

            synchronized (Daemon.lock) {
                Daemon.lock.wait();
            }
        } else if (command.equals("stop")) {
            synchronized (Daemon.lock) {
                Daemon.lock.notify();
            }
            Daemon.LOG.info("Stopping SMSC server daemon");
            Daemon.server.stop();
        }
    } catch (Throwable t) {
        Daemon.LOG.error("Daemon error", t);
    }
}

From source file:ExampleP2PHttpClient.java

public static void main(String[] args) {
    // initialize JXTA
    try {/*ww w .  ja  v  a  2 s . c  o  m*/
        // sign in and initialize the JXTA network; profile this peer and create it
        // if it doesn't exist
        P2PNetwork.signin("clientpeer", "clientpeerpassword", "TestNetwork", true);
    } catch (Exception e) {
        e.printStackTrace();
        System.exit(1);
    }

    // register the P2P socket protocol factory
    Protocol jxtaHttp = new Protocol("p2phttp", new P2PProtocolSocketFactory(), 80);
    Protocol.registerProtocol("p2phttp", jxtaHttp);

    //create a singular HttpClient object
    HttpClient client = new HttpClient();

    //establish a connection within 50 seconds
    client.setConnectionTimeout(50000);

    String url = System.getProperty("url");
    if (url == null || url.equals("")) {
        System.out.println("You must provide a URL to access.  For example:");
        System.out.println("ant example-webclient-run -D--url=p2phttp://www.somedomain.foo");

        System.exit(1);
    }
    System.out.println("Connecting to " + url + "...");

    HttpMethod method = null;

    //create a method object
    method = new GetMethod(url);
    method.setFollowRedirects(true);
    method.setStrictMode(false);
    //} catch (MalformedURLException murle) {
    //    System.out.println("<url> argument '" + url
    //            + "' is not a valid URL");
    //    System.exit(-2);
    //}

    //execute the method
    String responseBody = null;
    try {
        client.executeMethod(method);
        responseBody = method.getResponseBodyAsString();
    } catch (HttpException he) {
        System.err.println("Http error connecting to '" + url + "'");
        System.err.println(he.getMessage());
        System.exit(-4);
    } catch (IOException ioe) {
        System.err.println("Unable to connect to '" + url + "'");
        System.exit(-3);
    }

    //write out the request headers
    System.out.println("*** Request ***");
    System.out.println("Request Path: " + method.getPath());
    System.out.println("Request Query: " + method.getQueryString());
    Header[] requestHeaders = method.getRequestHeaders();
    for (int i = 0; i < requestHeaders.length; i++) {
        System.out.print(requestHeaders[i]);
    }

    //write out the response headers
    System.out.println("*** Response ***");
    System.out.println("Status Line: " + method.getStatusLine());
    Header[] responseHeaders = method.getResponseHeaders();
    for (int i = 0; i < responseHeaders.length; i++) {
        System.out.print(responseHeaders[i]);
    }

    //write out the response body
    System.out.println("*** Response Body ***");
    System.out.println(responseBody);

    //clean up the connection resources
    method.releaseConnection();
    method.recycle();

    System.exit(0);
}