Example usage for java.io PrintStream PrintStream

Introduction

In this page you can find the example usage for java.io PrintStream PrintStream.

Prototype

public PrintStream(OutputStream out, boolean autoFlush, Charset charset) 

Source Link

Document

Creates a new print stream, with the specified OutputStream, automatic line flushing and charset.

Usage

From source file:Main.java

public static void main(String[] args) throws UnsupportedEncodingException {
    byte c = 70;/*from www.jav  a2s  .c  om*/

    PrintStream ps = new PrintStream(System.out, true, "UTF8");

    // write byte c which is character F in ASCII
    ps.write(c);

    // flush the stream
    ps.flush();

}

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From source file:de.uzk.hki.da.sb.SIPBuilder.java

public static void main(String[] args) {

    logger.setLevel(Level.ERROR);

    try {/*w ww  .j ava2  s.  c  o m*/
        if (SystemUtils.IS_OS_WINDOWS)
            System.setOut(new PrintStream(new FileOutputStream(FileDescriptor.out), true, "CP850"));
        else
            System.setOut(new PrintStream(new FileOutputStream(FileDescriptor.out), true, "UTF-8"));
    } catch (UnsupportedEncodingException e) {
        return;
    }

    String mainFolderPath = SIPBuilder.class.getProtectionDomain().getCodeSource().getLocation().getPath();
    String confFolderPath, dataFolderPath;
    try {
        mainFolderPath = URLDecoder.decode(mainFolderPath, "UTF-8");
        confFolderPath = new File(mainFolderPath).getParent() + File.separator + "conf";
        dataFolderPath = new File(mainFolderPath).getParent() + File.separator + "data";
    } catch (UnsupportedEncodingException e) {
        confFolderPath = "conf";
        dataFolderPath = "data";
    }

    if (args.length == 0)
        startGUIMode(confFolderPath, dataFolderPath);
    else
        startCLIMode(confFolderPath, dataFolderPath, args);
}

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From source file:cc.wikitools.lucene.FindWikipediaArticleId.java

@SuppressWarnings("static-access")
public static void main(String[] args) throws Exception {
    Options options = new Options();
    options.addOption(//from w  ww .  j a va 2 s. c om
            OptionBuilder.withArgName("path").hasArg().withDescription("index location").create(INDEX_OPTION));
    options.addOption(
            OptionBuilder.withArgName("string").hasArg().withDescription("article title").create(TITLE_OPTION));

    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(TITLE_OPTION) || !cmdline.hasOption(INDEX_OPTION)) {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp(FindWikipediaArticleId.class.getName(), options);
        System.exit(-1);
    }

    File indexLocation = new File(cmdline.getOptionValue(INDEX_OPTION));
    if (!indexLocation.exists()) {
        System.err.println("Error: " + indexLocation + " does not exist!");
        System.exit(-1);
    }

    String title = cmdline.getOptionValue(TITLE_OPTION);

    PrintStream out = new PrintStream(System.out, true, "UTF-8");

    WikipediaSearcher searcher = new WikipediaSearcher(indexLocation);
    int id = searcher.getArticleId(title);

    out.println(title + ": id = " + id);

    searcher.close();
    out.close();
}

---

From source file:cc.twittertools.index.ExtractTweetidsFromIndex.java

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

    options.addOption(// w ww.ja  va 2 s. c  o m
            OptionBuilder.withArgName("dir").hasArg().withDescription("index location").create(INDEX_OPTION));

    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(INDEX_OPTION)) {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp(ExtractTweetidsFromIndex.class.getName(), options);
        System.exit(-1);
    }

    File indexLocation = new File(cmdline.getOptionValue(INDEX_OPTION));
    if (!indexLocation.exists()) {
        System.err.println("Error: " + indexLocation + " does not exist!");
        System.exit(-1);
    }

    IndexReader reader = DirectoryReader.open(FSDirectory.open(indexLocation));
    PrintStream out = new PrintStream(System.out, true, "UTF-8");
    for (int i = 0; i < reader.maxDoc(); i++) {
        Document doc = reader.document(i);
        out.println(doc.getField(StatusField.ID.name).stringValue() + "\t"
                + doc.getField(StatusField.SCREEN_NAME.name).stringValue());
    }
    out.close();
    reader.close();
}

---

From source file:cc.twittertools.index.ExtractTermStatisticsFromIndex.java

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

    options.addOption(OptionBuilder.withArgName("dir").hasArg().withDescription("index").create(INDEX_OPTION));
    options.addOption(OptionBuilder.withArgName("num").hasArg().withDescription("min").create(MIN_OPTION));

    CommandLine cmdline = null;//from w  w w.  j av  a 2s .c o m
    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(INDEX_OPTION)) {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp(ExtractTermStatisticsFromIndex.class.getName(), options);
        System.exit(-1);
    }

    String indexLocation = cmdline.getOptionValue(INDEX_OPTION);
    int min = cmdline.hasOption(MIN_OPTION) ? Integer.parseInt(cmdline.getOptionValue(MIN_OPTION)) : 1;

    PrintStream out = new PrintStream(System.out, true, "UTF-8");

    IndexReader reader = DirectoryReader.open(FSDirectory.open(new File(indexLocation)));
    Terms terms = SlowCompositeReaderWrapper.wrap(reader).terms(StatusField.TEXT.name);
    TermsEnum termsEnum = terms.iterator(TermsEnum.EMPTY);

    long missingCnt = 0;
    int skippedTerms = 0;
    BytesRef bytes = new BytesRef();
    while ((bytes = termsEnum.next()) != null) {
        byte[] buf = new byte[bytes.length];
        System.arraycopy(bytes.bytes, 0, buf, 0, bytes.length);
        String term = new String(buf, "UTF-8");
        int df = termsEnum.docFreq();
        long cf = termsEnum.totalTermFreq();

        if (df < min) {
            skippedTerms++;
            missingCnt += cf;
            continue;
        }

        out.println(term + "\t" + df + "\t" + cf);
    }

    reader.close();
    out.close();
    System.err.println("skipped terms: " + skippedTerms + ", cnt: " + missingCnt);
}

---

From source file:cc.twittertools.corpus.demo.ReadStatuses.java

@SuppressWarnings("static-access")
public static void main(String[] args) throws Exception {
    Options options = new Options();
    options.addOption(OptionBuilder.withArgName("path").hasArg().withDescription("input directory or file")
            .create(INPUT_OPTION));/*from  w  ww  . j a  v  a  2 s  . c o m*/
    options.addOption(VERBOSE_OPTION, false, "print logging output every 10000 tweets");
    options.addOption(DUMP_OPTION, false, "dump statuses");

    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_OPTION)) {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp(ReadStatuses.class.getName(), options);
        System.exit(-1);
    }

    PrintStream out = new PrintStream(System.out, true, "UTF-8");

    StatusStream stream;
    // Figure out if we're reading from HTML SequenceFiles or JSON.
    File file = new File(cmdline.getOptionValue(INPUT_OPTION));
    if (!file.exists()) {
        System.err.println("Error: " + file + " does not exist!");
        System.exit(-1);
    }

    if (file.isDirectory()) {
        stream = new JsonStatusCorpusReader(file);
    } else {
        stream = new JsonStatusBlockReader(file);
    }

    int cnt = 0;
    Status status;
    while ((status = stream.next()) != null) {
        if (cmdline.hasOption(DUMP_OPTION)) {
            String text = status.getText();
            if (text != null) {
                text = text.replaceAll("\\s+", " ");
                text = text.replaceAll("\0", "");
            }
            out.println(String.format("%d\t%s\t%s\t%s", status.getId(), status.getScreenname(),
                    status.getCreatedAt(), text));
        }
        cnt++;
        if (cnt % 10000 == 0 && cmdline.hasOption(VERBOSE_OPTION)) {
            LOG.info(cnt + " statuses read");
        }
    }
    stream.close();
    LOG.info(String.format("Total of %s statuses read.", cnt));
}

---

From source file:de.uzk.hki.da.main.SIPBuilder.java

public static void main(String[] args) {

    TTCCLayout layout = new TTCCLayout();
    layout.setDateFormat("yyyy'-'MM'-'dd' 'HH':'mm':'ss");
    layout.setThreadPrinting(false);/*from w  ww.  jav  a2 s. c  o m*/
    ConsoleAppender consoleAppender = new ConsoleAppender(layout);
    logger.addAppender(consoleAppender);
    logger.setLevel(Level.DEBUG);

    properties = new Properties();
    try {
        properties.load(new InputStreamReader(
                (ClassLoader.getSystemResourceAsStream("configuration/config.properties"))));
    } catch (FileNotFoundException e1) {
        System.exit(Feedback.GUI_ERROR.toInt());
    } catch (IOException e2) {
        System.exit(Feedback.GUI_ERROR.toInt());
    }

    try {
        if (SystemUtils.IS_OS_WINDOWS)
            System.setOut(new PrintStream(new FileOutputStream(FileDescriptor.out), true, "CP850"));
        else
            System.setOut(new PrintStream(new FileOutputStream(FileDescriptor.out), true, "UTF-8"));
    } catch (UnsupportedEncodingException e) {
        return;
    }

    String mainFolderPath = SIPBuilder.class.getProtectionDomain().getCodeSource().getLocation().getPath();
    String confFolderPath, dataFolderPath;
    try {
        mainFolderPath = URLDecoder.decode(mainFolderPath, "UTF-8");
        confFolderPath = new File(mainFolderPath).getParent() + File.separator + "conf";
        dataFolderPath = new File(mainFolderPath).getParent() + File.separator + "data";
    } catch (UnsupportedEncodingException e) {
        confFolderPath = "conf";
        dataFolderPath = "data";
    }
    System.out.println("ConfFolderPath:" + confFolderPath);
    if (args.length == 0)
        startGUIMode(confFolderPath, dataFolderPath);
    else
        startCLIMode(confFolderPath, dataFolderPath, args);
}

---

From source file:cc.wikitools.lucene.FetchWikipediaArticle.java

@SuppressWarnings("static-access")
public static void main(String[] args) throws Exception {
    Options options = new Options();
    options.addOption(/*  ww w.ja v a  2s .  co m*/
            OptionBuilder.withArgName("path").hasArg().withDescription("index location").create(INDEX_OPTION));
    options.addOption(
            OptionBuilder.withArgName("num").hasArg().withDescription("article id").create(ID_OPTION));
    options.addOption(
            OptionBuilder.withArgName("string").hasArg().withDescription("article title").create(TITLE_OPTION));

    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(ID_OPTION) || cmdline.hasOption(TITLE_OPTION))
            || !cmdline.hasOption(INDEX_OPTION)) {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp(FetchWikipediaArticle.class.getName(), options);
        System.exit(-1);
    }

    File indexLocation = new File(cmdline.getOptionValue(INDEX_OPTION));
    if (!indexLocation.exists()) {
        System.err.println("Error: " + indexLocation + " does not exist!");
        System.exit(-1);
    }

    WikipediaSearcher searcher = new WikipediaSearcher(indexLocation);
    PrintStream out = new PrintStream(System.out, true, "UTF-8");

    if (cmdline.hasOption(ID_OPTION)) {
        int id = Integer.parseInt(cmdline.getOptionValue(ID_OPTION));
        Document doc = searcher.getArticle(id);

        if (doc == null) {
            System.err.print("id " + id + " doesn't exist!\n");
        } else {
            out.println(doc.getField(IndexField.TEXT.name).stringValue());
        }
    } else {
        String title = cmdline.getOptionValue(TITLE_OPTION);
        Document doc = searcher.getArticle(title);

        if (doc == null) {
            System.err.print("article \"" + title + "\" doesn't exist!\n");
        } else {
            out.println(doc.getField(IndexField.TEXT.name).stringValue());
        }
    }

    searcher.close();
    out.close();
}

---

From source file:cc.wikitools.lucene.ScoreWikipediaArticle.java

@SuppressWarnings("static-access")
public static void main(String[] args) throws Exception {
    Options options = new Options();
    options.addOption(//from   w  w  w. j  a v a 2 s .  c om
            OptionBuilder.withArgName("path").hasArg().withDescription("index location").create(INDEX_OPTION));
    options.addOption(
            OptionBuilder.withArgName("num").hasArg().withDescription("article id").create(ID_OPTION));
    options.addOption(
            OptionBuilder.withArgName("string").hasArg().withDescription("article title").create(TITLE_OPTION));
    options.addOption(
            OptionBuilder.withArgName("string").hasArg().withDescription("query text").create(QUERY_OPTION));

    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(ID_OPTION) || cmdline.hasOption(TITLE_OPTION)) || !cmdline.hasOption(INDEX_OPTION)
            || !cmdline.hasOption(QUERY_OPTION)) {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp(ScoreWikipediaArticle.class.getName(), options);
        System.exit(-1);
    }

    File indexLocation = new File(cmdline.getOptionValue(INDEX_OPTION));
    if (!indexLocation.exists()) {
        System.err.println("Error: " + indexLocation + " does not exist!");
        System.exit(-1);
    }

    String queryText = cmdline.getOptionValue(QUERY_OPTION);

    WikipediaSearcher searcher = new WikipediaSearcher(indexLocation);
    PrintStream out = new PrintStream(System.out, true, "UTF-8");

    if (cmdline.hasOption(ID_OPTION)) {
        out.println("score: "
                + searcher.scoreArticle(queryText, Integer.parseInt(cmdline.getOptionValue(ID_OPTION))));
    } else {
        out.println("score: " + searcher.scoreArticle(queryText, cmdline.getOptionValue(TITLE_OPTION)));
    }

    searcher.close();
    out.close();
}

---

From source file:cc.twittertools.util.ExtractSubcollection.java

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

    options.addOption(OptionBuilder.withArgName("dir").hasArg().withDescription("source collection directory")
            .create(COLLECTION_OPTION));
    options.addOption(// w w  w.  j  av  a2 s.  co  m
            OptionBuilder.withArgName("file").hasArg().withDescription("list of tweetids").create(ID_OPTION));

    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(COLLECTION_OPTION) || !cmdline.hasOption(ID_OPTION)) {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp(ExtractSubcollection.class.getName(), options);
        System.exit(-1);
    }

    String collectionPath = cmdline.getOptionValue(COLLECTION_OPTION);

    LongOpenHashSet tweetids = new LongOpenHashSet();
    File tweetidsFile = new File(cmdline.getOptionValue(ID_OPTION));
    if (!tweetidsFile.exists()) {
        System.err.println("Error: " + tweetidsFile + " does not exist!");
        System.exit(-1);
    }
    LOG.info("Reading tweetids from " + tweetidsFile);

    FileInputStream fin = new FileInputStream(tweetidsFile);
    BufferedReader br = new BufferedReader(new InputStreamReader(fin));

    String s;
    while ((s = br.readLine()) != null) {
        tweetids.add(Long.parseLong(s));
    }
    br.close();
    fin.close();
    LOG.info("Read " + tweetids.size() + " tweetids.");

    File file = new File(collectionPath);
    if (!file.exists()) {
        System.err.println("Error: " + file + " does not exist!");
        System.exit(-1);
    }

    PrintStream out = new PrintStream(System.out, true, "UTF-8");
    StatusStream stream = new JsonStatusCorpusReader(file);
    Status status;
    while ((status = stream.next()) != null) {
        if (tweetids.contains(status.getId())) {
            out.println(status.getJsonObject().toString());
        }
    }
    stream.close();
    out.close();
}

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