Example usage for java.nio CharBuffer asReadOnlyBuffer

Introduction

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

Prototype

public abstract CharBuffer asReadOnlyBuffer();

Source Link

Document

Returns a read-only buffer that shares its content with this buffer.

Usage

From source file:Main.java

/**
 * Returns a new byte array containing the characters of the specified
 * string encoded using the given charset.
 * //  w  ww  .  ja  v  a  2  s .c  o m
 * It is equivalent to <code>input.getBytes(charset)</code> except it has
 * workaround for the bug ID 61917.
 * 
 * @see https://code.google.com/p/android/issues/detail?id=61917
 */
//@formatter:off
/*
 * The original code is available from
 *     https://android.googlesource.com/platform/libcore/+/android-4.4_r1.2/libdvm/src/main/java/java/lang/String.java
 */
//@formatter:on
public static byte[] getBytes(String input, Charset charset) {
    CharBuffer chars = CharBuffer.wrap(input.toCharArray());
    // @formatter:off
    CharsetEncoder encoder = charset.newEncoder().onMalformedInput(CodingErrorAction.REPLACE)
            .onUnmappableCharacter(CodingErrorAction.REPLACE);
    // @formatter:on
    ByteBuffer buffer;
    buffer = encode(chars.asReadOnlyBuffer(), encoder);
    byte[] bytes = new byte[buffer.limit()];
    buffer.get(bytes);
    return bytes;

}

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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 w w.ja  v a  2s. com

    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();

}

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

private CharBuffer loadFileData() {
    InputStream stream = null;/*from w  ww. j  a v  a 2  s  .  co  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();

}

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