Example usage for java.nio ByteBuffer getChar

Introduction

In this page you can find the example usage for java.nio ByteBuffer getChar.

Prototype

public abstract char getChar();

Source Link

Document

Returns the char at the current position and increases the position by 2.

Usage

From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.allocate(BSIZE);
    bb.asCharBuffer().put("Howdy!");
    char c;/*from  ww  w .j a  v  a  2 s. com*/
    while ((c = bb.getChar()) != 0)
        System.out.print(c + " ");
    System.out.println();

}

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From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.allocate(BSIZE);
    bb.asCharBuffer().put("java2s.com");
    char c;/* w  ww. j  a  va2  s  .c om*/
    while ((c = bb.getChar()) != 0)
        System.out.print(c + " ");
    System.out.println();

}

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From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.allocate(BSIZE);
    bb.asCharBuffer().put("Howdy!");
    char c;/*from   w  w  w. j a v  a  2s .c  o m*/
    while ((c = bb.getChar()) != 0)
        System.out.print(c + " ");
    System.out.println();

    bb.rewind();
    // Store and read a short:
    bb.asShortBuffer().put((short) 471142);
    System.out.println(bb.getShort());

}

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From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.allocate(BSIZE);
    bb.asCharBuffer().put("java2s.com");
    bb.rewind();//from   ww  w.ja v a  2 s .  c  om
    char c;
    while ((c = bb.getChar()) != 0)
        System.out.print(c + " ");
    System.out.println();

}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    ByteBuffer buf = ByteBuffer.allocate(100);

    // Put values of different types
    buf.putChar((char) 123);

    // Reset position for reading
    buf.flip();/*from  w  w  w .ja va  2s .  c om*/

    // Retrieve the values
    char c = buf.getChar();

}

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From source file:GetData.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.allocate(BSIZE);
    // Allocation automatically zeroes the ByteBuffer:
    int i = 0;/*w  w  w .  j  a  va  2 s  .co  m*/
    while (i++ < bb.limit())
        if (bb.get() != 0)
            System.out.println("nonzero");
    System.out.println("i = " + i);
    bb.rewind();
    // Store and read a char array:
    bb.asCharBuffer().put("Howdy!");
    char c;
    while ((c = bb.getChar()) != 0)
        System.out.print(c + " ");
    System.out.println();
    bb.rewind();
    // Store and read a short:
    bb.asShortBuffer().put((short) 471142);
    System.out.println(bb.getShort());
    bb.rewind();
    // Store and read an int:
    bb.asIntBuffer().put(99471142);
    System.out.println(bb.getInt());
    bb.rewind();
    // Store and read a long:
    bb.asLongBuffer().put(99471142);
    System.out.println(bb.getLong());
    bb.rewind();
    // Store and read a float:
    bb.asFloatBuffer().put(99471142);
    System.out.println(bb.getFloat());
    bb.rewind();
    // Store and read a double:
    bb.asDoubleBuffer().put(99471142);
    System.out.println(bb.getDouble());
    bb.rewind();

}

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From source file:Main.java

public static String getString(ByteBuffer buf, int len) {
    char[] data = new char[len];
    for (int i = 0; i < len; i++) {
        data[i] = buf.getChar();
    }//from   w w w .ja  va2 s .co  m
    return new String(data);
}

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From source file:ConversionUtil.java

public static char convertToCharacter(byte[] array) {
    ByteBuffer buffer = ByteBuffer.wrap(array);
    return buffer.getChar();
    /*//from ww  w  .  j av  a  2 s. c  o m
    char value = 0;
    for (int i =0;i<array.length; ++i) {
    int offset = (array.length -i-1) *8;
    value += (array[i] << offset);
    // bytes[i] = (byte)((value & (0xff << offset)) >>> offset);
    }
    return value;
     */
}

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From source file:com.nridge.core.base.std.BufUtl.java

/**
 * Retrieves a <i>String</i> value stored within the body of the
 * <code>ByteBuffer</code> object.
 *
 * @param aBuffer Packet byte buffer object.
 * @return A <i>String</i> object.
 *//*w w  w . j a v a  2 s .c  om*/
public static String getString(ByteBuffer aBuffer) {
    int strLength;
    StringBuilder strBuilder;

    strLength = aBuffer.getInt();
    if (strLength > 0)
        strBuilder = new StringBuilder(strLength + 10);
    else
        strBuilder = new StringBuilder();
    for (int i = 0; i < strLength; i++)
        strBuilder.append(aBuffer.getChar());
    return strBuilder.toString();
}

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From source file:org.ihsp.data.common.ObjectId.java

private static int createMachineIdentifier() {
    // build a 2-byte machine piece based on NICs info
    int machinePiece;
    try {//ww w . j  av a 2 s .  c o m
        StringBuilder sb = new StringBuilder();
        Enumeration<NetworkInterface> e = NetworkInterface.getNetworkInterfaces();
        while (e.hasMoreElements()) {
            NetworkInterface ni = e.nextElement();
            sb.append(ni.toString());
            byte[] mac = ni.getHardwareAddress();
            if (mac != null) {
                ByteBuffer bb = ByteBuffer.wrap(mac);
                try {
                    sb.append(bb.getChar());
                    sb.append(bb.getChar());
                    sb.append(bb.getChar());
                } catch (BufferUnderflowException shortHardwareAddressException) { //NOPMD
                    // mac with less than 6 bytes. continue
                }
            }
        }
        machinePiece = sb.toString().hashCode();
    } catch (Throwable t) {
        // exception sometimes happens with IBM JVM, use random
        machinePiece = (new SecureRandom().nextInt());
        log.info("Failed to get machine identifier from network interface, using random number instead", t);
    }
    machinePiece = machinePiece & LOW_ORDER_THREE_BYTES;
    return machinePiece;
}

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