Examples with ObjectOutput java.io.ObjectOutput used on opensource projects

Example 36 with ObjectOutput

use of java.io.ObjectOutput in project BetterBatteryStats by asksven.

the class ReferenceDto method serialize.

/**
 * Serialize using Java serialization
 * @return
 */
private byte[] serialize() {
    byte[] ret = null;
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    ObjectOutput out = null;
    try {
        out = new ObjectOutputStream(bos);
        out.writeObject(this);
        ret = bos.toByteArray();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            out.close();
            bos.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    return ret;
}

Example 37 with ObjectOutput

use of java.io.ObjectOutput in project hibernate-orm by hibernate.

the class EntityManagerSerializationTest method testSerialization.

@Test
public void testSerialization() throws Exception {
    EntityManager em = entityManagerFactory().createEntityManager();
    // em.getTransaction().begin();
    // em.setFlushMode( FlushModeType.NEVER );
    Cat cat = new Cat();
    cat.setAge(3);
    cat.setDateOfBirth(new Date());
    cat.setLength(22);
    cat.setName("Kitty");
    em.persist(cat);
    Item item = new Item();
    item.setName("Train Ticket");
    item.setDescr("Paris-London");
    em.persist(item);
    // em.getTransaction().commit();
    // em.getTransaction().begin();
    item.setDescr("Paris-Bruxelles");
    // em.getTransaction().commit();
    // fake the in container work
    ((HibernateEntityManager) em).getSession().disconnect();
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    ObjectOutput out = new ObjectOutputStream(stream);
    out.writeObject(em);
    out.close();
    byte[] serialized = stream.toByteArray();
    stream.close();
    ByteArrayInputStream byteIn = new ByteArrayInputStream(serialized);
    ObjectInputStream in = new ObjectInputStream(byteIn);
    em = (EntityManager) in.readObject();
    in.close();
    byteIn.close();
    // fake the in container work
    em.getTransaction().begin();
    item = em.find(Item.class, item.getName());
    item.setDescr(item.getDescr() + "-Amsterdam");
    cat = (Cat) em.createQuery("select c from " + Cat.class.getName() + " c").getSingleResult();
    cat.setLength(34);
    em.flush();
    em.remove(item);
    em.remove(cat);
    em.flush();
    em.getTransaction().commit();
    em.close();
}

Example 38 with ObjectOutput

use of java.io.ObjectOutput in project hibernate-orm by hibernate.

the class EntityManagerFactorySerializationTest method testSerialization.

@Test
public void testSerialization() throws Exception {
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    ObjectOutput out = new ObjectOutputStream(stream);
    out.writeObject(entityManagerFactory());
    out.close();
    byte[] serialized = stream.toByteArray();
    stream.close();
    ByteArrayInputStream byteIn = new ByteArrayInputStream(serialized);
    ObjectInputStream in = new ObjectInputStream(byteIn);
    EntityManagerFactory serializedFactory = (EntityManagerFactory) in.readObject();
    in.close();
    byteIn.close();
    EntityManager em = serializedFactory.createEntityManager();
    // em.getTransaction().begin();
    // em.setFlushMode( FlushModeType.NEVER );
    Cat cat = new Cat();
    cat.setAge(3);
    cat.setDateOfBirth(new Date());
    cat.setLength(22);
    cat.setName("Kitty");
    em.persist(cat);
    Item item = new Item();
    item.setName("Train Ticket");
    item.setDescr("Paris-London");
    em.persist(item);
    // em.getTransaction().commit();
    // em.getTransaction().begin();
    item.setDescr("Paris-Bruxelles");
    // em.getTransaction().commit();
    // fake the in container work
    ((HibernateEntityManager) em).getSession().disconnect();
    stream = new ByteArrayOutputStream();
    out = new ObjectOutputStream(stream);
    out.writeObject(em);
    out.close();
    serialized = stream.toByteArray();
    stream.close();
    byteIn = new ByteArrayInputStream(serialized);
    in = new ObjectInputStream(byteIn);
    em = (EntityManager) in.readObject();
    in.close();
    byteIn.close();
    // fake the in container work
    em.getTransaction().begin();
    item = em.find(Item.class, item.getName());
    item.setDescr(item.getDescr() + "-Amsterdam");
    cat = (Cat) em.createQuery("select c from " + Cat.class.getName() + " c").getSingleResult();
    cat.setLength(34);
    em.flush();
    em.remove(item);
    em.remove(cat);
    em.flush();
    em.getTransaction().commit();
    em.close();
}

Example 39 with ObjectOutput

use of java.io.ObjectOutput in project mssql-jdbc by Microsoft.

the class NativeMSSQLDataSourceTest method testSerial.

private SQLServerDataSource testSerial(SQLServerDataSource ds) throws IOException, ClassNotFoundException {
    try (java.io.ByteArrayOutputStream outputStream = new java.io.ByteArrayOutputStream();
        java.io.ObjectOutput objectOutput = new java.io.ObjectOutputStream(outputStream)) {
        objectOutput.writeObject(ds);
        objectOutput.flush();
        try (ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(outputStream.toByteArray()))) {
            SQLServerDataSource dtn;
            dtn = (SQLServerDataSource) in.readObject();
            return dtn;
        }
    }
}

Example 40 with ObjectOutput

use of java.io.ObjectOutput in project mlib by myshzzx.

the class FilesUtil method writeObjectToFile.

/**
 * 将数据写入到文件.
 *
 * @param file 文件
 * @param obj  要写入的对象.
 */
public static void writeObjectToFile(File file, Object obj) throws IOException {
    file.getAbsoluteFile().getParentFile().mkdirs();
    File writeFile = getWriteFile(file);
    try (ObjectOutput out = new ObjectOutputStream(new FileOutputStream(writeFile))) {
        out.writeObject(obj);
    }
    file.delete();
    if (!writeFile.renameTo(file))
        throw new IOException("rename file error. " + writeFile.getAbsolutePath() + " -> " + file.getAbsolutePath());
    log.debug("write to file: " + file.getAbsolutePath());
}