Example usage for java.lang String substring

List of usage examples for java.lang String substring

  1. HOME
  2. Java
  3. java
  4. java.lang.*
  5. String
  6. substring

Introduction

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

Prototype

public String substring(int beginIndex)

Source Link

Document

Returns a string that is a substring of this string.

Usage

From source file:MainClass.java

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

    ParserGetter kit = new ParserGetter();
    HTMLEditorKit.Parser parser = kit.getParser();

    URL u = new URL("http://www.java2s.com");
    InputStream in = u.openStream();
    InputStreamReader r = new InputStreamReader(in);
    String remoteFileName = u.getFile();
    if (remoteFileName.endsWith("/")) {
        remoteFileName += "index.html";
    }// www  .ja v a2 s. co m
    if (remoteFileName.startsWith("/")) {
        remoteFileName = remoteFileName.substring(1);
    }
    File localDirectory = new File(u.getHost());
    while (remoteFileName.indexOf('/') > -1) {
        String part = remoteFileName.substring(0, remoteFileName.indexOf('/'));
        remoteFileName = remoteFileName.substring(remoteFileName.indexOf('/') + 1);
        localDirectory = new File(localDirectory, part);
    }
    if (localDirectory.mkdirs()) {
        File output = new File(localDirectory, remoteFileName);
        FileWriter out = new FileWriter(output);
        HTMLEditorKit.ParserCallback callback = new PageSaver(out, u);
        parser.parse(r, callback, false);
    }

}

From source file:com.gagein.crawler.Extractor.java

public static void main(String[] args) {
    String website = "http://www.gagein.com";
    String tempName = "temp";
    // ???//from  ww w.  j av a2 s.  c o m
    String dirPath = System.getProperty("user.dir") + File.separator + tempName + File.separator
            + website.substring(7).split("\\.")[1];// remove http://;
    Extractor ex = new Extractor();
    ex.getFilesPath(dirPath);
    System.out.println(ex.pathSet);
    ArticleStripper as = new ArticleStripper();
    as.setExtractAuthor(false);
    as.setExtractContent(true);
    as.setExtractDate(false);
    as.setExtractImg(false);
    as.setKeepContentLink(false);
    for (String url : ex.pathSet) {
        System.out.println(url);
        File file = new File(url);
        try {
            String page = FileUtils.readFileToString(file);
            System.out.println("Contents of file: " + page);
            logger.debug("==============?" + url + "?");
            Article article = as.retrieveArticle(null, null, page, null);
            System.out.println("##################" + article.getContent());

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

}

From source file:fr.romainf.QRCode.java

public static void main(String[] args) {
    Options options = buildOptions();/*from  www .  java 2  s  .  c  o m*/

    CommandLineParser parser = new BasicParser();

    try {
        CommandLine cmd = parser.parse(options, args);
        args = cmd.getArgs();

        int l = args.length;
        if (l != 1) {
            System.out.println("Can only encode one datum at a time (" + l + " given)");
            printUsage(options);
            System.exit(1);
        }
        if (cmd.hasOption("help")) {
            printUsage(options);
            System.exit(0);
        }

        String output = cmd.getOptionValue("o", DEFAULT_OUTPUT_FILE);
        String pixelColourText = cmd.getOptionValue("c", DEFAULT_PIXEL_COLOUR);
        if (pixelColourText.startsWith("0x")) {
            pixelColourText = pixelColourText.substring(2);
        }
        Color pixelColour;
        if (pixelColourText.length() == 6) {
            pixelColour = new Color(Integer.parseInt(pixelColourText, 16));
        } else {
            pixelColour = new Color((int) Long.parseLong(pixelColourText, 16), true);
        }

        writeQRCode(args[l - 1], output, pixelColour);

    } catch (ParseException e) {
        System.out.println(e.getMessage());
        printUsage(options);
        System.exit(1);
    } catch (WriterException e) {
        System.out.println("Could not create QRCode from data (" + e.getMessage() + ")");
        System.exit(2);
    } catch (IOException e) {
        System.out.println("Could not save QRCode to file (" + e.getMessage() + ")");
        System.exit(4);
    }
    System.exit(0);
}

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
        }//www  . j ava  2s  .  c  o 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:cc.vidr.datum.tools.Console.java

public static void main(String[] args) throws IOException {
    System.out.print("Warming up... ");
    System.out.flush();//from   w  w  w  .  j a  va  2 s. c om
    QA.query("");
    System.out.println("Ready.");
    System.out.println("Ask me a question. Leave a blank line to exit.");
    BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
    while (true) {
        int numServers = Server.getNumServers();
        int numFacts = Server.getNumFacts();
        System.out.print("> ");
        String q = in.readLine();
        if (q == null || q.isEmpty()) {
            System.out.println("Bye.");
            break;
        }
        Literal[] facts;
        if (q.startsWith("?-")) {
            try {
                Program program = new Program(q.substring(2));
                Clause[] query = program.parse();
                facts = Server.query(query[0].getHead());
            } catch (RecognitionException e) {
                facts = new Literal[0];
            }
        } else {
            facts = QA.query(q);
        }
        for (Literal fact : facts)
            printFact(fact, 0);
        if (facts.length == 0)
            System.out.println("I don't know.");
        if (DEBUG) {
            System.err.println((Server.getNumServers() - numServers) + " servers spawned");
            System.err.println((Server.getNumFacts() - numFacts) + " facts retrieved/generated");
        }
    }
}

From source file:GetWebPage.java

public static void main(String args[]) throws IOException, UnknownHostException {
    String resource, host, file;
    int slashPos;

    resource = "http://www.java2s.com/index.htm".substring(7); // skip HTTP://
    slashPos = resource.indexOf('/');
    if (slashPos < 0) {
        resource = resource + "/";
        slashPos = resource.indexOf('/');
    }/*from   w  w  w .  j a va2 s . c  o  m*/
    file = resource.substring(slashPos); // isolate host and file parts
    host = resource.substring(0, slashPos);
    System.out.println("Host to contact: '" + host + "'");
    System.out.println("File to fetch : '" + file + "'");
    MyHTTPConnection webConnection = new MyHTTPConnection(host);
    if (webConnection != null) {
        BufferedReader in = webConnection.get(file);
        String line;
        while ((line = in.readLine()) != null) { // read until EOF
            System.out.println(line);
        }
    }
    System.out.println("\nDone.");
}

From source file:it.alidays.mapengine.codegenerator.MapperEngineCodeGenerator.java

public static void main(String[] args) throws MapperEngineCodeGeneratorException {
    if (args.length != 2) {
        printUsage();/*w  ww  .  j ava2 s  .co m*/
    } else {
        String destinationDir = null;
        String[] engineDirectivesSources = null;

        for (String arg : args) {
            if (arg.startsWith("-d")) {
                destinationDir = arg.substring(2);
            } else if (arg.startsWith("-s")) {
                engineDirectivesSources = arg.substring(2).split("\\|");
            }
        }

        if (destinationDir == null || destinationDir.isEmpty() || engineDirectivesSources == null
                || engineDirectivesSources.length == 0) {
            printUsage();
        } else {
            for (String engineDirectivesSource : engineDirectivesSources) {
                run(new File(destinationDir), MapperEngineCodeGenerator.class.getClassLoader()
                        .getResourceAsStream(engineDirectivesSource));
            }
        }
    }
}

From source file:GetWebPageDemo.java

public static void main(String args[]) throws Exception {
    String resource, host, file;
    int slashPos;

    resource = "www.java2s.com/index.htm";
    slashPos = resource.indexOf('/'); // find host/file separator
    if (slashPos < 0) {
        resource = resource + "/";
        slashPos = resource.indexOf('/');
    }/*ww w.j ava  2 s . c om*/
    file = resource.substring(slashPos); // isolate host and file parts
    host = resource.substring(0, slashPos);
    System.out.println("Host to contact: '" + host + "'");
    System.out.println("File to fetch : '" + file + "'");

    SocketChannel channel = null;

    try {
        Charset charset = Charset.forName("ISO-8859-1");
        CharsetDecoder decoder = charset.newDecoder();
        CharsetEncoder encoder = charset.newEncoder();

        ByteBuffer buffer = ByteBuffer.allocateDirect(1024);
        CharBuffer charBuffer = CharBuffer.allocate(1024);

        InetSocketAddress socketAddress = new InetSocketAddress(host, 80);
        channel = SocketChannel.open();
        channel.connect(socketAddress);

        String request = "GET " + file + " \r\n\r\n";
        channel.write(encoder.encode(CharBuffer.wrap(request)));

        while ((channel.read(buffer)) != -1) {
            buffer.flip();
            decoder.decode(buffer, charBuffer, false);
            charBuffer.flip();
            System.out.println(charBuffer);
            buffer.clear();
            charBuffer.clear();
        }
    } catch (UnknownHostException e) {
        System.err.println(e);
    } catch (IOException e) {
        System.err.println(e);
    } finally {
        if (channel != null) {
            try {
                channel.close();
            } catch (IOException ignored) {
            }
        }
    }

    System.out.println("\nDone.");
}

From source file:mlbench.pagerank.PagerankMerge.java

@SuppressWarnings({ "rawtypes", "unchecked" })
public static void main(String[] args) throws IOException, InterruptedException {
    try {/*from   w  w w  .  j  a v  a2 s  .  c  o m*/
        parseArgs(args);
        HashMap<String, String> conf = new HashMap<String, String>();
        initConf(conf);
        MPI_D.Init(args, MPI_D.Mode.Common, conf);

        JobConf jobConf = new JobConf(confPath);
        if (MPI_D.COMM_BIPARTITE_O != null) {
            // O communicator
            int rank = MPI_D.Comm_rank(MPI_D.COMM_BIPARTITE_O);
            int size = MPI_D.Comm_size(MPI_D.COMM_BIPARTITE_O);
            if (rank == 0) {
                LOG.info(PagerankMerge.class.getSimpleName() + " O start.");
            }
            FileSplit[] inputs = DataMPIUtil.HDFSDataLocalLocator.getTaskInputs(MPI_D.COMM_BIPARTITE_O, jobConf,
                    inDir, rank);
            for (int i = 0; i < inputs.length; i++) {
                FileSplit fsplit = inputs[i];
                LineRecordReader kvrr = new LineRecordReader(jobConf, fsplit);

                LongWritable key = kvrr.createKey();
                Text value = kvrr.createValue();
                {
                    while (kvrr.next(key, value)) {
                        String line_text = value.toString();
                        final String[] line = line_text.split("\t");
                        if (line.length >= 2) {
                            MPI_D.Send(new IntWritable(Integer.parseInt(line[0])), new Text(line[1]));
                        }
                    }
                }
            }

        } else if (MPI_D.COMM_BIPARTITE_A != null) {
            // A communicator
            int rank = MPI_D.Comm_rank(MPI_D.COMM_BIPARTITE_A);
            if (rank == 0) {
                LOG.info(PagerankMerge.class.getSimpleName() + " A start.");
            }
            HadoopWriter<IntWritable, Text> outrw = HadoopIOUtil.getNewWriter(jobConf, outDir,
                    IntWritable.class, Text.class, TextOutputFormat.class, null, rank, MPI_D.COMM_BIPARTITE_A);

            IntWritable oldKey = null;
            double next_rank = 0;
            double previous_rank = 0;
            double diff = 0;
            int local_diffs = 0;
            random_coeff = (1 - mixing_c) / (double) number_nodes;
            converge_threshold = ((double) 1.0 / (double) number_nodes) / 10;
            Object[] keyValue = MPI_D.Recv();
            while (keyValue != null) {
                IntWritable key = (IntWritable) keyValue[0];
                Text value = (Text) keyValue[1];
                if (oldKey == null) {
                    oldKey = key;
                }
                if (!key.equals(oldKey)) {
                    next_rank = next_rank * mixing_c + random_coeff;
                    outrw.write(oldKey, new Text("v" + next_rank));
                    diff = Math.abs(previous_rank - next_rank);
                    if (diff > converge_threshold) {
                        local_diffs += 1;
                    }
                    oldKey = key;
                    next_rank = 0;
                    previous_rank = 0;
                }

                String cur_value_str = value.toString();
                if (cur_value_str.charAt(0) == 's') {
                    previous_rank = Double.parseDouble(cur_value_str.substring(1));
                } else {
                    next_rank += Double.parseDouble(cur_value_str.substring(1));
                }

                keyValue = MPI_D.Recv();
            }
            if (previous_rank != 0) {
                next_rank = next_rank * mixing_c + random_coeff;
                outrw.write(oldKey, new Text("v" + next_rank));
                diff = Math.abs(previous_rank - next_rank);
                if (diff > converge_threshold)
                    local_diffs += 1;
            }
            outrw.close();
            reduceDiffs(local_diffs, rank);
        }

        MPI_D.Finalize();
    } catch (MPI_D_Exception e) {
        e.printStackTrace();
    }
}

From source file:com.jwm123.loggly.reporter.AppLauncher.java

public static void main(String args[]) throws Exception {
    try {//from w ww. j a  v  a  2 s  .  c o  m
        CommandLine cl = parseCLI(args);
        try {
            config = new Configuration();
        } catch (Exception e) {
            e.printStackTrace();
            System.err.println("ERROR: Failed to read in persisted configuration.");
        }
        if (cl.hasOption("h")) {

            HelpFormatter help = new HelpFormatter();
            String jarName = AppLauncher.class.getProtectionDomain().getCodeSource().getLocation().getFile();
            if (jarName.contains("/")) {
                jarName = jarName.substring(jarName.lastIndexOf("/") + 1);
            }
            help.printHelp("java -jar " + jarName + " [options]", opts);
        }
        if (cl.hasOption("c")) {
            config.update();
        }
        if (cl.hasOption("q")) {
            Client client = new Client(config);
            client.setQuery(cl.getOptionValue("q"));
            if (cl.hasOption("from")) {
                client.setFrom(cl.getOptionValue("from"));
            }
            if (cl.hasOption("to")) {
                client.setTo(cl.getOptionValue("to"));
            }
            List<Map<String, Object>> report = client.getReport();

            if (report != null) {
                List<Map<String, String>> reportContent = new ArrayList<Map<String, String>>();
                ReportGenerator generator = null;
                if (cl.hasOption("file")) {
                    generator = new ReportGenerator(new File(cl.getOptionValue("file")));
                }
                byte reportFile[] = null;

                if (cl.hasOption("g")) {
                    System.out.println("Search results: " + report.size());
                    Set<Object> values = new TreeSet<Object>();
                    Map<Object, Integer> counts = new HashMap<Object, Integer>();
                    for (String groupBy : cl.getOptionValues("g")) {
                        for (Map<String, Object> result : report) {
                            if (mapContains(result, groupBy)) {
                                Object value = mapGet(result, groupBy);
                                values.add(value);
                                if (counts.containsKey(value)) {
                                    counts.put(value, counts.get(value) + 1);
                                } else {
                                    counts.put(value, 1);
                                }
                            }
                        }
                        System.out.println("For key: " + groupBy);
                        for (Object value : values) {
                            System.out.println("  " + value + ": " + counts.get(value));
                        }
                    }
                    if (cl.hasOption("file")) {
                        Map<String, String> reportAddition = new LinkedHashMap<String, String>();
                        reportAddition.put("Month", MONTH_FORMAT.format(new Date()));
                        reportContent.add(reportAddition);
                        for (Object value : values) {
                            reportAddition = new LinkedHashMap<String, String>();
                            reportAddition.put(value.toString(), "" + counts.get(value));
                            reportContent.add(reportAddition);
                        }
                        reportAddition = new LinkedHashMap<String, String>();
                        reportAddition.put("Total", "" + report.size());
                        reportContent.add(reportAddition);
                    }
                } else {
                    System.out.println("The Search [" + cl.getOptionValue("q") + "] yielded " + report.size()
                            + " results.");
                    if (cl.hasOption("file")) {
                        Map<String, String> reportAddition = new LinkedHashMap<String, String>();
                        reportAddition.put("Month", MONTH_FORMAT.format(new Date()));
                        reportContent.add(reportAddition);
                        reportAddition = new LinkedHashMap<String, String>();
                        reportAddition.put("Count", "" + report.size());
                        reportContent.add(reportAddition);
                    }
                }
                if (cl.hasOption("file")) {
                    reportFile = generator.build(reportContent);
                    File reportFileObj = new File(cl.getOptionValue("file"));
                    FileUtils.writeByteArrayToFile(reportFileObj, reportFile);
                    if (cl.hasOption("e")) {
                        ReportMailer mailer = new ReportMailer(config, cl.getOptionValues("e"),
                                cl.getOptionValue("s"), reportFileObj.getName(), reportFile);
                        mailer.send();
                    }
                }
            }
        }

    } catch (IllegalArgumentException e) {
        System.err.println(e.getMessage());
        System.exit(1);
    }
}