Example usage for java.io Reader close

Introduction

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

Prototype

public abstract void close() throws IOException;

Source Link

Document

Closes the stream and releases any system resources associated with it.

Usage

From source file:Main.java

public static void main(String[] args) {

    String s = "tutorial from java2s.com";

    Reader reader = new StringReader(s);

    // create a char array to read chars into
    char cbuf[] = new char[5];

    try {//from w  w w  . ja  v  a  2 s .c om
        // read characters into an array.
        System.out.println(reader.read(cbuf));

        System.out.println(cbuf);
        reader.close();

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

From source file:Main.java

public static void main(String[] args) {

    String s = "tutorial from java2s.com";

    // create a new StringReader
    Reader reader = new StringReader(s);

    try {/*from   www  .j a v a2  s.co m*/
        // read the first five chars
        for (int i = 0; i < 5; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }
        System.out.println(reader.markSupported());
        reader.close();

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

From source file:Main.java

public static void main(String[] args) {

    String s = "tutorial from java2s.com";

    Reader reader = new StringReader(s);

    // create a char array to read chars into
    char cbuf[] = new char[5];

    try {//from w  w w. ja va  2s.c  o  m
        // read characters into a portion of an array.
        System.out.println(reader.read(cbuf, 0, 5));

        System.out.println(cbuf);

        reader.close();
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

From source file:Main.java

public static void main(String[] args) {
    String s = "tutorial from java2s.com";

    Reader reader = new StringReader(s);

    try {/*from   www.  jav  a 2  s  . c  o m*/
        // read the first five chars
        for (int i = 0; i < 5; i++) {
            char c = (char) reader.read();

            // skip a char every time
            reader.skip(1);

            System.out.println(c);
        }
        reader.close();
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

From source file:com.peer2gear.nutch.xquery.XQueryParseFilter.java

public static void main(String[] args) throws Exception {
    Configuration conf = NutchConfiguration.create();
    Content content = null;/*from w  w w  .java  2 s  .c o  m*/
    if (args.length < 1) {
        usage();
        return;
    }
    String urlStr = args[0];
    String segment = null;
    if (args.length == 2) {
        segment = args[1];
    }
    if (segment != null) {
        Path file = new Path(segment, Content.DIR_NAME);
        FileSystem fs = FileSystem.get(conf);
        System.out.println("path: " + file.toString());
        Reader[] readers = MapFileOutputFormat.getReaders(fs, file, conf);
        content = new Content();
        for (Reader reader : readers) {
            if (reader.get(new Text(urlStr), content) != null)
                continue;
        }
        for (Reader reader : readers)
            reader.close();
    } else {
        content = createContent(conf, urlStr);
    }
    Parse parse = new ParseUtil(conf).parse(content).get(content.getUrl());
    String result = parse.getData().getMeta(XQueryParseFilter.METADATA_FIELD);
    System.out.println(result);
}

From source file:Main.java

public static void main(String[] args) {

    String s = "tutorial from java2s.com";

    Reader reader = new StringReader(s);

    try {// ww w. j  a  v a  2 s  . co m
        // check if reader is ready
        System.out.println(reader.ready());

        // read the first five chars
        for (int i = 0; i < 5; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }
        reader.close();
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

From source file:edu.uci.ics.asterix.drivers.AsterixCLI.java

public static void main(String args[]) throws Exception {
    Options options = new Options();
    CmdLineParser parser = new CmdLineParser(options);
    parser.parseArgument(args);//from  w w w  .  j ava  2 s. c o m

    setUp(options);
    try {
        for (String queryFile : options.args) {
            Reader in = new FileReader(queryFile);
            AsterixJavaClient ajc = new AsterixJavaClient(
                    AsterixHyracksIntegrationUtil.getHyracksClientConnection(), in);
            try {
                ajc.compile(true, false, false, false, false, true, false);
            } finally {
                in.close();
            }
            ajc.execute();
        }
    } finally {
        tearDown();
    }
    System.exit(0);
}

From source file:Main.java

public static void main(String[] args) {
    try {//from  w  w w. j a v a 2  s. c  o m
        String s = "tutorial from java2s.com";

        Reader reader = new StringReader(s);

        for (int i = 0; i < 5; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }

        reader.mark(10);

        for (int i = 0; i < 6; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }

        reader.reset();

        for (int i = 0; i < 6; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }
        reader.close();

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

From source file:Main.java

public static void main(String[] args) {
    String s = "tutorial from java2s.com";

    Reader reader = new StringReader(s);

    try {// www .java2 s.  c  o m
        for (int i = 0; i < 5; i++) {
            char c = (char) reader.read();
            System.out.print(c);
        }

        reader.mark(10);

        for (int i = 0; i < 6; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }

        reader.reset();

        for (int i = 0; i < 6; i++) {
            char c = (char) reader.read();
            System.out.println(c);
        }

        reader.close();

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

From source file:se.vgregion.portal.cs.util.CryptoUtilImpl.java

/**
 * Main method used for creating initial key file.
 * //from  w  ww. j a v a2  s.c om
 * @param args
 *            - not used
 */
public static void main(String[] args) {
    final String keyFile = "./howto.key";
    final String pwdFile = "./howto.properties";

    CryptoUtilImpl cryptoUtils = new CryptoUtilImpl();
    cryptoUtils.setKeyFile(new File(keyFile));

    String clearPwd = "my_cleartext_pwd";

    Properties p1 = new Properties();
    Writer w = null;
    try {
        p1.put("user", "liferay");
        String encryptedPwd = cryptoUtils.encrypt(clearPwd);
        p1.put("pwd", encryptedPwd);
        w = new FileWriter(pwdFile);
        p1.store(w, "");
    } catch (GeneralSecurityException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (w != null) {
            try {
                w.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    // ==================
    Properties p2 = new Properties();
    Reader r = null;
    try {
        r = new FileReader(pwdFile);
        p2.load(r);
        String encryptedPwd = p2.getProperty("pwd");
        System.out.println(encryptedPwd);
        System.out.println(cryptoUtils.decrypt(encryptedPwd));
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (GeneralSecurityException e) {
        e.printStackTrace();
    } finally {
        if (r != null) {
            try {
                r.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}