Example usage for java.io Reader read

Introduction

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

Prototype

public int read(char cbuf[]) throws IOException

Source Link

Document

Reads characters into an array.

Usage

From source file:com.dclab.preparation.ReadTest.java

public String scan(Reader r) {
    try {/*from  ww w . j av a 2s .c o m*/
        CharBuffer cb = CharBuffer.allocate(MAX_CAPACITY);
        int i = r.read(cb);
        Logger.getAnonymousLogger().log(Level.INFO, "read {0} bytes", i);

        String content = cb.toString();
        return extract(content);
    } catch (IOException ex) {
        Logger.getLogger(ReadTest.class.getName()).log(Level.SEVERE, null, ex);
    }
    return null;
}

From source file:lcn.module.oltp.web.common.base.handler.AltibaseClobStringTypeHandler.java

protected Object getResultInternal(ResultSet rs, int index, LobHandler lobHandler) throws SQLException {

    StringBuffer read_data = new StringBuffer("");
    int read_length;

    char[] buf = new char[1024];

    Reader rd = lobHandler.getClobAsCharacterStream(rs, index);
    try {/*from   ww w .ja  va 2s.  c  o  m*/
        while ((read_length = rd.read(buf)) != -1) {
            read_data.append(buf, 0, read_length);
        }
    } catch (IOException ie) {
        SQLException sqle = new SQLException(ie.getMessage());
        throw sqle;
        // 2011.10.10 ? ?
    } finally {
        if (rd != null) {
            try {
                rd.close();
            } catch (Exception ignore) {
                LOG.debug("IGNORE: " + ignore.getMessage());
            }
        }
    }

    return read_data.toString();

    //return lobHandler.getClobAsString(rs, index);
}

From source file:org.apache.manifoldcf.scriptengine.ScriptParser.java

public static String convertToString(HttpResponse httpResponse) throws IOException {
    HttpEntity entity = httpResponse.getEntity();
    if (entity != null) {
        InputStream is = entity.getContent();
        try {/*w  w w  .j  ava2s. c o m*/
            Charset charSet;
            try {
                ContentType ct = ContentType.get(entity);
                if (ct == null)
                    charSet = StandardCharsets.UTF_8;
                else
                    charSet = ct.getCharset();
            } catch (ParseException e) {
                charSet = StandardCharsets.UTF_8;
            }
            char[] buffer = new char[65536];
            Reader r = new InputStreamReader(is, charSet);
            Writer w = new StringWriter();
            try {
                while (true) {
                    int amt = r.read(buffer);
                    if (amt == -1)
                        break;
                    w.write(buffer, 0, amt);
                }
            } finally {
                w.flush();
            }
            return w.toString();
        } finally {
            is.close();
        }
    }
    return "";
}

From source file:com.aperigeek.dropvault.dav.DropDAVClient.java

private void login() throws InvalidPasswordException, DAVException {
    String url = MessageFormat.format(LOGIN_URL, URLEncoder.encode(this.username), hash.hash(this.password));
    HttpGet get = new HttpGet(url);
    try {/*  www  .j ava  2  s  .  c o m*/
        HttpResponse response = client.execute(get);

        if (response.getStatusLine().getStatusCode() == 401) {
            throw new InvalidPasswordException();
        }

        if (response.getStatusLine().getStatusCode() != 200) {
            throw new DAVException("Server error");
        }

        InputStream in = response.getEntity().getContent();
        StringWriter writer = new StringWriter();
        Reader reader = new InputStreamReader(in);
        char[] buffer = new char[128];
        int readed;
        while ((readed = reader.read(buffer)) != -1) {
            writer.write(buffer, 0, readed);
        }
        in.close();
        baseUri = writer.toString().trim();
    } catch (IOException ex) {
        throw new DAVException("Login URL unavailable", ex);
    }
}

From source file:org.zilverline.extractors.TestHTMLExtractor.java

public void testGetContentAsFile() {
    HTMLExtractor hex = new HTMLExtractor();
    File file = new File("test\\data\\test.html");
    // File file = new File("d:\\books\\problems\\manual_fr.htm2");
    Reader r = hex.getContent(file);
    assertNotNull(r);/*from   w w  w .j  a  va  2s. c  o  m*/

    char[] text = new char[50];
    try {
        assertTrue(r.read(text) > 0);
        log.debug("Content with length of 50: " + new String(text));
    } catch (IOException e) {
        fail(e.getMessage());
    }
    assertTrue(text.length > 0);
}

From source file:es.upm.dit.gsi.noticiastvi.gtv.item.SetRemoveFavoriteThread.java

public String convertStreamToString(InputStream is) throws IOException {
    /*//from w  w  w .j  a va 2 s . c  o  m
     * To convert the InputStream to String we use the
     * Reader.read(char[] buffer) method. We iterate until the
     * Reader return -1 which means there's no more data to
     * read. We use the StringWriter class to produce the string.
     */
    if (is != null) {
        Writer writer = new StringWriter();

        char[] buffer = new char[1024];
        try {
            Reader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
            int n;
            while ((n = reader.read(buffer)) != -1) {
                writer.write(buffer, 0, n);
            }
        } finally {
            is.close();
        }
        return writer.toString();
    } else {
        return "";
    }
}

From source file:guru.nidi.raml.doc.servlet.MirrorServlet.java

private void copy(Reader in, Writer out) throws IOException {
    final char[] buf = new char[10000];
    int read;/*from w w w  . jav a2s. com*/
    while ((read = in.read(buf)) > 0) {
        out.write(buf, 0, read);
    }
}

From source file:edu.cornell.mannlib.vitro.webapp.controller.freemarker.DelimitingTemplateLoader.java

private StringBuilder readTemplateSource(String encoding, Object ts) throws IOException {
    StringBuilder sb = new StringBuilder();
    Reader reader = innerLoader.getReader(ts, encoding);
    char[] buffer = new char[8192];
    int howmany;//  ww  w. j av a 2  s.c  om
    while (-1 != (howmany = reader.read(buffer))) {
        sb.append(buffer, 0, howmany);
    }
    return sb;
}

From source file:IOUtils.java

/**
 * Copy chars from a large (over 2GB) <code>Reader</code> to a <code>Writer</code>.
 * <p>/*from  ww  w  . ja va 2s  .  co  m*/
 * This method buffers the input internally, so there is no need to use a
 * <code>BufferedReader</code>.
 *
 * @param input  the <code>Reader</code> to read from
 * @param output  the <code>Writer</code> to write to
 * @return the number of characters copied
 * @throws NullPointerException if the input or output is null
 * @throws IOException if an I/O error occurs
 * @since Commons IO 1.3
 */
public static long copyLarge(Reader input, Writer output) throws IOException {
    char[] buffer = new char[DEFAULT_BUFFER_SIZE];
    long count = 0;
    int n = 0;
    while (-1 != (n = input.read(buffer))) {
        output.write(buffer, 0, n);
        count += n;
    }
    return count;
}

From source file:it.tidalwave.northernwind.frontend.ui.component.gallery.spi.GalleryAdapterSupport.java

/*******************************************************************************************************************
 *
 *
 *
 ******************************************************************************************************************/
@Nonnull//from  w w  w .j  a  v  a  2 s .co  m
private String loadDefaultTemplate(final @Nonnull String templateName) throws IOException {
    final String packagePath = getClass().getPackage().getName().replace('.', '/');
    final Resource resource = new ClassPathResource("/" + packagePath + "/" + templateName);
    final @Cleanup Reader r = new InputStreamReader(resource.getInputStream());
    final char[] buffer = new char[(int) resource.contentLength()];
    r.read(buffer);
    return new String(buffer);
}