Example usage for java.io ObjectInputStream readChar

Introduction

In this page you can find the example usage for java.io ObjectInputStream readChar.

Prototype

public char readChar() throws IOException 

Source Link

Document

Reads a 16 bit char.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {

    char b = 'F';

    FileOutputStream out = new FileOutputStream("test.txt");
    ObjectOutputStream oout = new ObjectOutputStream(out);

    // write something in the file
    oout.writeChar(b);/*from  www  .j a va2s.com*/
    oout.writeChar('A');
    oout.flush();
    oout.close();
    // create an ObjectInputStream for the file we created before
    ObjectInputStream ois = new ObjectInputStream(new FileInputStream("test.txt"));

    // read and print a char
    System.out.println(ois.readChar());

    // read and print a char
    System.out.println(ois.readChar());
    ois.close();
}

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From source file:DataIOTest2.java

public static void main(String[] args) throws IOException {

    // write the data out
    ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream("invoice1.txt"));

    double[] prices = { 19.99, 9.99, 15.99, 3.99, 4.99 };
    int[] units = { 12, 8, 13, 29, 50 };
    String[] descs = { "Java T-shirt", "Java Mug", "Duke Juggling Dolls", "Java Pin", "Java Key Chain" };

    for (int i = 0; i < prices.length; i++) {
        out.writeDouble(prices[i]);/*from w  w  w.  java2  s  . co m*/
        out.writeChar('\t');
        out.writeInt(units[i]);
        out.writeChar('\t');
        out.writeChars(descs[i]);
        out.writeChar('\n');
    }
    out.close();

    // read it in again
    ObjectInputStream in = new ObjectInputStream(new FileInputStream("invoice1.txt"));

    double price;
    int unit;
    String desc;
    double total = 0.0;

    try {
        while (true) {
            price = in.readDouble();
            in.readChar(); // throws out the tab
            unit = in.readInt();
            in.readChar(); // throws out the tab
            desc = in.readLine();
            System.out.println("You've ordered " + unit + " units of " + desc + " at $" + price);
            total = total + unit * price;
        }
    } catch (EOFException e) {
    }
    System.out.println("For a TOTAL of: $" + total);
    in.close();
}

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From source file:Main.java

/**
 * Reads a <code>AttributedString</code> object that has been serialised by
 * the {@link SerialUtilities#writeAttributedString(AttributedString,
 * ObjectOutputStream)} method.//from   w  ww. jav a 2  s .  c om
 *
 * @param stream  the input stream (<code>null</code> not permitted).
 *
 * @return The attributed string object (possibly <code>null</code>).
 *
 * @throws IOException  if there is an I/O problem.
 * @throws ClassNotFoundException  if there is a problem loading a class.
 */
public static AttributedString readAttributedString(ObjectInputStream stream)
        throws IOException, ClassNotFoundException {

    if (stream == null) {
        throw new IllegalArgumentException("Null 'stream' argument.");
    }
    AttributedString result = null;
    final boolean isNull = stream.readBoolean();
    if (!isNull) {
        // read string and attributes then create result
        String plainStr = (String) stream.readObject();
        result = new AttributedString(plainStr);
        char c = stream.readChar();
        int start = 0;
        while (c != CharacterIterator.DONE) {
            int limit = stream.readInt();
            Map atts = (Map) stream.readObject();
            result.addAttributes(atts, start, limit);
            start = limit;
            c = stream.readChar();
        }
    }
    return result;
}

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From source file:CharArrayList.java

private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
    in.defaultReadObject();/* ww  w .j a  v a 2 s .c  o m*/
    array = new char[in.readInt()];
    for (int i = 0; i < size; i++) {
        array[i] = in.readChar();
    }
}

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From source file:org.datanucleus.store.hbase.fieldmanager.FetchFieldManager.java

private char fetchCharInternal(AbstractMemberMetaData mmd, byte[] bytes) {
    char value;//  w w  w .j  av  a2s .com
    if (bytes == null) {
        // Handle missing field
        String dflt = HBaseUtils.getDefaultValueForMember(mmd);
        if (dflt != null && dflt.length() > 0) {
            return dflt.charAt(0);
        }
        return 0;
    }

    if (mmd.isSerialized()) {
        try {
            ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
            ObjectInputStream ois = new ObjectInputStream(bis);
            value = ois.readChar();
            ois.close();
            bis.close();
        } catch (IOException e) {
            throw new NucleusException(e.getMessage(), e);
        }
    } else {
        String strValue = new String(bytes, Charsets.UTF_8);
        value = strValue.charAt(0);
    }
    return value;
}

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From source file:org.protempa.proposition.TemporalProposition.java

/**
 * Called while deserializing a temporal proposition.
 * //from w  ww  .  j ava  2  s  .  c om
 * @param s
 *            an {@link ObjectInputStream}.
 * @throws IOException
 *             input/output error during deserialization.
 * @throws ClassNotFoundException
 *             class of a serialized object cannot be found.
 */
protected void readTemporalProposition(ObjectInputStream s) throws IOException, ClassNotFoundException {
    int mode = s.readChar();
    try {
        switch (mode) {
        case 0:
            setInterval(INTERVAL_FACTORY.getInstance(s.readLong(), (Granularity) s.readObject()));
            break;
        case 1:
            setInterval(INTERVAL_FACTORY.getInstance(s.readLong(), (Granularity) s.readObject(), s.readLong(),
                    (Granularity) s.readObject()));
            break;
        case 2:
            setInterval(INTERVAL_FACTORY.getInstance((Long) s.readObject(), (Long) s.readObject(),
                    (Granularity) s.readObject(), (Long) s.readObject(), (Long) s.readObject(),
                    (Granularity) s.readObject()));
            break;
        default:
            throw new InvalidObjectException("Can't restore. Invalid mode: " + mode);
        }
    } catch (IllegalArgumentException iae) {
        throw new InvalidObjectException("Can't restore: " + iae.getMessage());
    }
}

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