Example usage for java.nio CharBuffer flip

List of usage examples for java.nio CharBuffer flip

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Introduction

In this page you can find the example usage for java.nio CharBuffer flip.

Prototype

public final Buffer flip()

Source Link

Document

Flips this buffer.

Usage

From source file:com.cloudbees.jenkins.support.filter.FilteredOutputStreamTest.java

@Issue("JENKINS-21670")
@Test//from   w ww.j  a v  a2  s. c o m
public void shouldSupportLinesLargerThanDefaultBufferSize() throws IOException {
    CharBuffer input = CharBuffer.allocate(FilteredConstants.DEFAULT_DECODER_CAPACITY * 10);
    for (int i = 0; i < input.capacity(); i++) {
        input.put('*');
    }
    input.flip();
    InputStream in = new CharSequenceInputStream(input, UTF_8);
    FilteredOutputStream out = new FilteredOutputStream(testOutput, s -> s.replace('*', 'a'));

    IOUtils.copy(in, out);
    String contents = new String(testOutput.toByteArray(), UTF_8);

    assertThat(contents).isEmpty();

    out.flush();
    contents = new String(testOutput.toByteArray(), UTF_8);

    assertThat(contents).isNotEmpty().matches("^a+$");
}

From source file:com.gargoylesoftware.htmlunit.NoHttpResponseTest.java

@Override
public void run() {
    try {/*www . ja va 2 s  .c  o  m*/
        serverSocket_ = new ServerSocket(port_);
        started_.set(true);
        LOG.info("Starting listening on port " + port_);
        while (!shutdown_) {
            final Socket s = serverSocket_.accept();
            final BufferedReader br = new BufferedReader(new InputStreamReader(s.getInputStream()));

            final CharBuffer cb = CharBuffer.allocate(5000);
            br.read(cb);
            cb.flip();
            final String in = cb.toString();
            cb.rewind();

            final RawResponseData responseData = getResponseData(in);

            if (responseData == null || responseData.getStringContent() == DROP_CONNECTION) {
                LOG.info("Closing impolitely in & output streams");
                s.getOutputStream().close();
            } else {
                final PrintWriter pw = new PrintWriter(s.getOutputStream());
                pw.println("HTTP/1.0 " + responseData.getStatusCode() + " " + responseData.getStatusMessage());
                for (final NameValuePair header : responseData.getHeaders()) {
                    pw.println(header.getName() + ": " + header.getValue());
                }
                pw.println();
                pw.println(responseData.getStringContent());
                pw.println();
                pw.flush();
                pw.close();
            }
            br.close();
            s.close();
        }
    } catch (final SocketException e) {
        if (!shutdown_) {
            LOG.error(e);
        }
    } catch (final IOException e) {
        LOG.error(e);
    } finally {
        LOG.info("Finished listening on port " + port_);
    }
}

From source file:com.metawiring.load.generators.LineExtractGenerator.java

private void loadLines(String filename) {

    InputStream stream = LineExtractGenerator.class.getClassLoader().getResourceAsStream(filename);
    if (stream == null) {
        throw new RuntimeException(filename + " was missing.");
    }//from w w w  . j av a2s  .  c o  m

    CharBuffer linesImage;
    try {
        InputStreamReader isr = new InputStreamReader(stream);
        linesImage = CharBuffer.allocate(1024 * 1024);
        isr.read(linesImage);
        isr.close();
    } catch (IOException e) {
        logger.error(e.getMessage());
        throw new RuntimeException(e);
    }
    linesImage.flip();
    Collections.addAll(lines, linesImage.toString().split("\n"));
}

From source file:com.metawiring.load.generators.LoremExtractGenerator.java

private CharBuffer loadLoremIpsum() {
    InputStream stream = LoremExtractGenerator.class.getClassLoader()
            .getResourceAsStream("data/lorem_ipsum_full.txt");
    if (stream == null) {
        throw new RuntimeException("lorem_ipsum_full.txt was missing.");
    }/*from   w  ww  .j a v a  2s . co  m*/

    CharBuffer image;
    try {
        InputStreamReader isr = new InputStreamReader(stream);
        image = CharBuffer.allocate(1024 * 1024);
        isr.read(image);
        isr.close();
    } catch (IOException e) {
        logger.error(e.getMessage());
        throw new RuntimeException(e);
    }
    image.flip();

    return image.asReadOnlyBuffer();

}

From source file:com.metawiring.load.generators.ExtractGenerator.java

private CharBuffer loadFileData() {
    InputStream stream = null;/*from   ww w  . j a  va2 s .c  o m*/
    File onFileSystem = new File("data" + File.separator + fileName);

    if (onFileSystem.exists()) {
        try {
            stream = new FileInputStream(onFileSystem);
        } catch (FileNotFoundException e) {
            throw new RuntimeException(
                    "Unable to find file " + onFileSystem.getPath() + " after verifying that it exists.");
        }
        logger.debug("Loaded file data from " + onFileSystem.getPath());
    }

    if (stream == null) {
        stream = Thread.currentThread().getContextClassLoader().getResourceAsStream("data/" + fileName);
        logger.debug("Loaded file data from classpath resource " + fileName);
    }

    if (stream == null) {
        throw new RuntimeException(fileName + " was missing.");
    }

    CharBuffer image;
    try {
        InputStreamReader isr = new InputStreamReader(stream);
        image = CharBuffer.allocate(1024 * 1024);
        isr.read(image);
        isr.close();
    } catch (IOException e) {
        logger.error(e.getMessage());
        throw new RuntimeException(e);
    }
    image.flip();

    return image.asReadOnlyBuffer();

}

From source file:com.google.flatbuffers.Table.java

/**
 * Create a Java `String` from UTF-8 data stored inside the FlatBuffer.
 *
 * This allocates a new string and converts to wide chars upon each access,
 * which is not very efficient. Instead, each FlatBuffer string also comes with an
 * accessor based on __vector_as_bytebuffer below, which is much more efficient,
 * assuming your Java program can handle UTF-8 data directly.
 *
 * @param offset An `int` index into the Table's ByteBuffer.
 * @return Returns a `String` from the data stored inside the FlatBuffer at `offset`.
 *///from  ww w  .  ja  v a 2s .co m
protected String __string(int offset) {
    CharsetDecoder decoder = UTF8_DECODER.get();
    decoder.reset();

    offset += bb.getInt(offset);
    ByteBuffer src = bb.duplicate().order(ByteOrder.LITTLE_ENDIAN);
    int length = src.getInt(offset);
    src.position(offset + SIZEOF_INT);
    src.limit(offset + SIZEOF_INT + length);

    int required = (int) ((float) length * decoder.maxCharsPerByte());
    CharBuffer dst = CHAR_BUFFER.get();
    if (dst == null || dst.capacity() < required) {
        dst = CharBuffer.allocate(required);
        CHAR_BUFFER.set(dst);
    }

    dst.clear();

    try {
        CoderResult cr = decoder.decode(src, dst, true);
        if (!cr.isUnderflow()) {
            cr.throwException();
        }
    } catch (CharacterCodingException x) {
        throw new Error(x);
    }

    return dst.flip().toString();
}

From source file:com.asakusafw.runtime.io.csv.CsvParser.java

private int getNextCharacter() throws IOException {
    CharBuffer buf = readerBuffer;
    if (buf.remaining() == 0) {
        buf.clear();// w  w w  .j a  v a  2 s .com
        int read = reader.read(buf);
        buf.flip();
        assert read != 0;
        if (read < 0) {
            return EOF;
        }
    }
    return buf.get();
}

From source file:net.sf.smbt.touchosc.utils.TouchOSCUtils.java

public String loadTouchOscXML(String zipTouchoscFilePath) {
    List<String> touchoscFilePathList = new ArrayList<String>();
    IPath path = new Path(zipTouchoscFilePath);
    String xml = "";
    try {//from  www. j a  v a2 s  . c om
        FileInputStream touchoscFile = new FileInputStream(zipTouchoscFilePath);
        ZipInputStream fileIS = new ZipInputStream(touchoscFile);
        ZipEntry zEntry = null;
        while ((zEntry = fileIS.getNextEntry()) != null) {
            if (zEntry.getName().endsWith(".xml")) {
                touchoscFilePathList.add(path.removeLastSegments(1) + "/_" + path.lastSegment());
            }
            BufferedReader reader = new BufferedReader(new InputStreamReader(fileIS, Charset.forName("UTF-8")));
            CharBuffer charBuffer = CharBuffer.allocate(65535);
            while (reader.read(charBuffer) != -1)

                charBuffer.flip();

            xml = charBuffer.toString();

        }

        fileIS.close();

    } catch (FileNotFoundException e1) {
        e1.printStackTrace();
    } catch (IOException e2) {
        e2.printStackTrace();
    }
    return xml;
}

From source file:net.sf.smbt.touchosc.utils.TouchOSCUtils.java

public void dumpTouchOsc(TOP top, String destDirname, String destFilename) {

    reverseZOrders(top);/* w  ww.  jav a  2 s  .  co  m*/
    //
    // Get tests for TouchOSC legacy compliances : need precise version info
    //
    //applyBase64Transformation(top);

    // Create a resource set.
    //
    ResourceSet resourceSet = new ResourceSetImpl();

    //
    // Register the default resource factory -- only needed for stand-alone!
    //
    resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put(TouchoscPackage.eNS_PREFIX,
            new TouchoscResourceFactoryImpl());
    resourceSet.getPackageRegistry().put(TouchoscPackage.eNS_URI, TouchoscPackage.eINSTANCE);
    resourceSet.getPackageRegistry().put(TouchoscappPackage.eNS_URI, TouchoscappPackage.eINSTANCE);

    String dirname;
    if (destDirname == null) {
        dirname = Platform.getInstanceLocation().getURL().getPath() + "/" + UUID.randomUUID().toString();

        if (Platform.inDebugMode()) {
            System.out.println("creating " + dirname + " directory");
        }

        new File(dirname).mkdir();
    } else {
        dirname = destDirname;
    }

    //
    // Get the URI of the model file.
    //
    URI touchoscURI = URI.createFileURI(dirname + "/" + "index.xml");

    //
    // Demand load the resource for this file.
    //
    Resource resource = resourceSet.createResource(touchoscURI);

    resource.getContents().add(top);

    try {
        Map<Object, Object> options = new HashMap<Object, Object>();
        options.put(XMLResource.OPTION_ENCODING, "UTF-8");
        resource.save(options);
    } catch (IOException e) {
        e.printStackTrace();
    }

    String TOUCHOSC_HEADER = "<touchosc:TOP xmi:version=\"2.0\" xmlns:xmi=\"http://www.omg.org/XMI\" xmlns:touchosc=\"http:///net.sf.smbt.touchosc/src/net/sf/smbt/touchosc/model/touchosc.xsd\">";
    String TOUCHOSC_FOOTER = "</touchosc:TOP>";

    String path = touchoscURI.path().toString();
    String outputZipFile = dirname + "/" + destFilename + ".touchosc";

    try {
        FileInputStream touchoscFile = new FileInputStream(path);
        BufferedReader reader = new BufferedReader(
                new InputStreamReader(touchoscFile, Charset.forName("ASCII")));
        CharBuffer charBuffer = CharBuffer.allocate(65535);
        while (reader.read(charBuffer) != -1)

            charBuffer.flip();

        String content = charBuffer.toString();
        content = content.replace(TOUCHOSC_HEADER, "<touchosc>");
        content = content.replace(TOUCHOSC_FOOTER, "</touchosc>");
        content = content.replace("<layout>", "<layout version=\"10\" mode=\"" + top.getLayout().getMode()
                + "\" orientation=\"" + top.getLayout().getOrientation() + "\">");
        content = content.replace("numberX=", "number_x=");
        content = content.replace("numberY=", "number_y=");
        content = content.replace("invertedX=", "inverted_x=");
        content = content.replace("invertedY=", "inverted_y=");
        content = content.replace("localOff=", "local_off=");
        content = content.replace("oscCs=", "osc_cs=");
        content = content.replace("xypad", "xy");

        touchoscFile.close();

        FileOutputStream os = new FileOutputStream(path);

        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(os, Charset.forName("UTF-8")));

        writer.write(content);
        writer.flush();

        os.flush();
        os.close();

        FileOutputStream fos = new FileOutputStream(outputZipFile);
        ZipOutputStream fileOS = new ZipOutputStream(fos);

        ZipEntry ze = new ZipEntry("index.xml");
        fileOS.putNextEntry(ze);
        fileOS.write(content.getBytes(Charset.forName("UTF-8")));
        fileOS.flush();
        fileOS.close();
        fos.close();

    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException ioe) {
        ioe.printStackTrace();
    } finally {
        File f = new File(path);
        if (f.exists() && f.canWrite()) {
            if (!f.delete()) {
                throw new IllegalArgumentException(path + " deletion failed");
            }
        }
    }
}

From source file:net.sf.smbt.touchosc.utils.TouchOSCUtils.java

/**
 * Initialize UI model from a .touchosc file
 * //from  www  .jav  a 2 s  .  c om
 * @param zipTouchoscFilePath a .touchosc file
 * 
 * @return UI model
 */
public TouchOscApp loadAppFromTouchOscXML2(String zipTouchoscFilePath) {
    //
    // Create a resource set.
    //
    ResourceSet resourceSet = new ResourceSetImpl();

    //
    // Register the default resource factory -- only needed for stand-alone!
    //
    resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put(TouchoscPackage.eNS_PREFIX,
            new TouchoscResourceFactoryImpl());
    resourceSet.getPackageRegistry().put(TouchoscPackage.eNS_URI, TouchoscPackage.eINSTANCE);
    resourceSet.getPackageRegistry().put(TouchoscappPackage.eNS_URI, TouchoscappPackage.eINSTANCE);

    List<String> touchoscFilePathList = new ArrayList<String>();
    try {
        URL url = TouchOSCUtils.class.getClassLoader().getResource(".");

        FileInputStream touchoscFile = new FileInputStream(url.getPath() + "../samples/" + zipTouchoscFilePath);
        ZipInputStream fileIS = new ZipInputStream(touchoscFile);

        ZipEntry zEntry = null;
        while ((zEntry = fileIS.getNextEntry()) != null) {
            if (zEntry.getName().endsWith(".xml")) {
                touchoscFilePathList.add(url.getPath() + "../samples/_" + zipTouchoscFilePath);
            }
            FileOutputStream os = new FileOutputStream(url.getPath() + "../samples/_" + zipTouchoscFilePath);
            BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(os));
            BufferedReader reader = new BufferedReader(new InputStreamReader(fileIS, Charset.forName("UTF-8")));
            CharBuffer charBuffer = CharBuffer.allocate(65535);
            while (reader.read(charBuffer) != -1)

                charBuffer.append("</touchosc:TOP>\n");
            charBuffer.flip();

            String content = charBuffer.toString();
            content = content.replace("<?xml version=\"1.0\" encoding=\"UTF-8\"?>", TOUCHOSC_XMLNS_HEADER);
            content = content.replace("numberX=", "number_x=");
            content = content.replace("numberY=", "number_y=");
            content = content.replace("invertedX=", "inverted_x=");
            content = content.replace("invertedY=", "inverted_y=");
            content = content.replace("localOff=", "local_off=");
            content = content.replace("oscCs=", "osc_cs=");

            writer.write(content);
            writer.flush();
            os.flush();
            os.close();
        }
        fileIS.close();
    } catch (FileNotFoundException e1) {
        e1.printStackTrace();
    } catch (IOException e2) {
        e2.printStackTrace();
    }

    //
    // Get the URI of the model file.
    //
    URI touchoscURI = URI.createFileURI(touchoscFilePathList.get(0));

    //
    // Demand load the resource for this file.
    //
    Resource resource = resourceSet.getResource(touchoscURI, true);

    Object obj = (Object) resource.getContents().get(0);
    if (obj instanceof TOP) {
        TOP top = (TOP) obj;
        reverseZOrders(top);
        return initAppFromTouchOsc(top.getLayout(), "horizontal".equals(top.getLayout().getOrientation()),
                "0".equals(top.getLayout().getMode()));
    }
    return null;
}