Example usage for java.io RandomAccessFile writeShort

Introduction

In this page you can find the example usage for java.io RandomAccessFile writeShort.

Prototype

public final void writeShort(int v) throws IOException 

Source Link

Document

Writes a short to the file as two bytes, high byte first.

Usage

From source file:Main.java

public static void main(String[] args) {
    try {/*from  w w w.j  av  a2 s.c o  m*/
        short s = 15;

        RandomAccessFile raf = new RandomAccessFile("c:/test.txt", "rw");

        raf.writeShort(s);

        raf.seek(0);

        System.out.println(raf.readShort());

        raf.seek(0);

        raf.writeShort(20);

        raf.seek(0);

        System.out.println(raf.readShort());
        raf.close();
    } catch (IOException ex) {
        ex.printStackTrace();
    }

}

---

From source file:Main.java

public static void main(String[] args) {
    try {// www. j  a v a 2s. c o  m
        short s = 15000;

        RandomAccessFile raf = new RandomAccessFile("c:/test.txt", "rw");

        // write something in the file
        raf.writeShort(s);

        // set the file pointer at 0 position
        raf.seek(0);

        // print the short
        System.out.println(raf.readShort());

        // set the file pointer at 0 position
        raf.seek(0);

        // write something in the file
        raf.writeShort(134);

        // set the file pointer at 0 position
        raf.seek(0);

        // print the short
        System.out.println(raf.readShort());
        raf.close();
    } catch (IOException ex) {
        ex.printStackTrace();
    }

}

---

From source file:org.apache.activemq.store.kahadb.KahaDBStoreRecoveryBrokerTest.java

@Override
@SuppressWarnings("resource")
protected BrokerService createRestartedBroker() throws Exception {

    // corrupting index
    File index = new File(kahaDbDirectoryName + "/db.data");
    RandomAccessFile raf = new RandomAccessFile(index, "rw");
    switch (failTest) {
    case FailToLoad:
        index.delete();//from   w  w  w  . j  a  v a 2s .c  o m
        raf = new RandomAccessFile(index, "rw");
        raf.seek(index.length());
        raf.writeBytes("corrupt");
        break;
    case LoadInvalid:
        // page size 0
        raf.seek(0);
        raf.writeBytes("corrupt and cannot load metadata");
        break;
    case LoadCorrupt:
        // loadable but invalid metadata
        // location of order index low priority index for first destination...
        raf.seek(8 * 1024 + 57);
        raf.writeLong(Integer.MAX_VALUE - 10);
        break;
    case LoadOrderIndex0:
        // loadable but invalid metadata
        // location of order index default priority index size
        // so looks like there are no ids in the order index
        // picked up by setCheckForCorruptJournalFiles
        raf.seek(12 * 1024 + 21);
        raf.writeShort(0);
        raf.writeChar(0);
        raf.writeLong(-1);
        break;
    default:
    }
    raf.close();

    // starting broker
    BrokerService broker = new BrokerService();
    KahaDBStore kaha = new KahaDBStore();
    kaha.setCheckForCorruptJournalFiles(failTest == CorruptionType.LoadOrderIndex0);
    // uncomment if you want to test archiving
    //kaha.setArchiveCorruptedIndex(true);
    kaha.setDirectory(new File(kahaDbDirectoryName));
    broker.setPersistenceAdapter(kaha);
    return broker;
}

---