Example usage for java.io ObjectOutputStream close

List of usage examples for java.io ObjectOutputStream close

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Introduction

In this page you can find the example usage for java.io ObjectOutputStream close.

Prototype

public void close() throws IOException

Source Link

Document

Closes the stream.

Usage

From source file:de.tudarmstadt.ukp.dkpro.wsd.si.dictionary.GoogleDictionaryInventory.java

public GoogleDictionaryInventory(String inputPath, String serializiblePath, String neededMentionsPath)
        throws FileNotFoundException, IOException {
    // Open the serialized version or create it from scratch
    try {/* ww w  .j a  v a 2  s.  c om*/
        logger.debug("Trying to load dictionary " + this.getClass().getSimpleName() + " from serializable.");
        ObjectInputStream dictionaryReader = new ObjectInputStream(
                new BZip2CompressorInputStream(new FileInputStream(serializiblePath)));
        dictionary = (GoogleDictionary) dictionaryReader.readObject();
        dictionaryReader.close();
        logger.debug("Loaded dictionary " + this.getClass().getSimpleName() + " from serializable.");
    } catch (Exception e) {
        logger.debug("Trying to load dictionary " + this.getClass().getSimpleName() + " from input.");
        dictionary = new GoogleDictionary(inputPath, neededMentionsPath);
        System.out.println("Loaded dictionary " + this.getClass().getSimpleName() + " from input.");

        ObjectOutputStream dictionaryWriter = new ObjectOutputStream(
                new BZip2CompressorOutputStream(new FileOutputStream(serializiblePath)));
        dictionaryWriter.writeObject(dictionary);
        dictionaryWriter.close();
        logger.debug("Stored dictionary " + this.getClass().getSimpleName() + " in serializable.");

    }
}

From source file:com.thoughtworks.acceptance.WriteReplaceTest.java

public void testReplacesAndResolves() throws IOException, ClassNotFoundException {
    Thing thing = new Thing(3, 6);

    // ensure that Java serialization does not cause endless loop for a Thing
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(baos);
    oos.writeObject(thing);//from w ww .j  a  v a 2  s .  c o m
    oos.close();

    ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
    ObjectInputStream ios = new ObjectInputStream(bais);
    assertEquals(thing, ios.readObject());
    ios.close();

    // ensure that XStream does not cause endless loop for a Thing
    xstream.alias("thing", Thing.class);

    String expectedXml = "" + "<thing>\n" + "  <a>3000</a>\n" + "  <b>6000</b>\n" + "</thing>";

    assertBothWays(thing, expectedXml);
}

From source file:de.javakaffee.web.msm.serializer.jackson.JacksonTranscoderTest.java

private StandardSession javaRoundtrip(final StandardSession session,
        final MemcachedBackupSessionManager manager) throws IOException, ClassNotFoundException {

    final ByteArrayOutputStream bos = new ByteArrayOutputStream();
    final ObjectOutputStream oos = new ObjectOutputStream(bos);
    session.writeObjectData(oos);/*from   www .j ava 2 s  .  c o  m*/
    oos.close();
    bos.close();

    final ByteArrayInputStream bis = new ByteArrayInputStream(bos.toByteArray());
    final ObjectInputStream ois = new ObjectInputStream(bis);
    final StandardSession readSession = manager.createEmptySession();
    readSession.readObjectData(ois);
    ois.close();
    bis.close();

    return readSession;
}

From source file:com.servioticy.queueclient.KestrelThriftClient.java

protected byte[] serialize(Object o) {
    if (o == null) {
        throw new NullPointerException("Can't serialize null");
    }//from  w w  w  . ja  v  a 2s  .  c o m
    byte[] rv = null;
    ByteArrayOutputStream bos = null;
    ObjectOutputStream os = null;
    try {
        bos = new ByteArrayOutputStream();
        os = new ObjectOutputStream(bos);
        os.writeObject(o);
        os.close();
        bos.close();
        rv = bos.toByteArray();
    } catch (IOException e) {
        logger.warn("Non-serializable object", e);
    }
    return rv;
}

From source file:net.sf.ehcache.ElementTest.java

License:asdf

/**
 * Tests the deserialization performance of an element containing a large byte[]
 *
 * @throws IOException//from w  w  w .  j a  v a  2  s .  c o m
 * @throws ClassNotFoundException
 */
public void testDeserializationPerformance() throws IOException, ClassNotFoundException {

    byte[] value = getTestByteArray();
    Element element = new Element("test", value);

    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(bout);
    oos.writeObject(element);
    byte[] serializedValue = bout.toByteArray();
    oos.close();
    StopWatch stopWatch = new StopWatch();
    for (int i = 0; i < 100; i++) {
        ByteArrayInputStream bin = new ByteArrayInputStream(serializedValue);
        ObjectInputStream ois = new ObjectInputStream(bin);
        ois.readObject();
        ois.close();
    }
    long elapsed = stopWatch.getElapsedTime() / 100;
    LOG.info("In-memory size in bytes: " + serializedValue.length + " time to deserialize in ms: " + elapsed);
    assertTrue(elapsed < 30);
}

From source file:FileUserAccess.java

@SuppressWarnings("resource")
@Override// w w w  .j ava 2 s .  c  om
public boolean saveNewUser(User newUser) {
    FileOutputStream fout;
    try {
        fout = new FileOutputStream(
                System.getProperty("user.dir") + File.separator + newUser.getUsername() + ".userobj", false);
    } catch (FileNotFoundException ex) {
        Logger.getLogger(FileUserAccess.class.getName()).log(Level.SEVERE, null, ex);
        return false;
    }
    ObjectOutputStream oos;
    try {
        oos = new ObjectOutputStream(fout);
    } catch (IOException ex) {
        Logger.getLogger(FileUserAccess.class.getName()).log(Level.SEVERE, null, ex);
        return false;
    }

    try {
        oos.writeObject(newUser);
        oos.close();
    } catch (IOException ex) {
        Logger.getLogger(FileUserAccess.class.getName()).log(Level.SEVERE, null, ex);
        return false;
    }
    return true;
}

From source file:ch.rgw.tools.StringTool.java

static private String ObjectToString(final Object o) {
    if (o instanceof String) {
        return "A" + (String) o;
    }/*  w w  w. j a v  a2  s .c om*/
    if (o instanceof Integer) {
        return "B" + ((Integer) o).toString();
    }
    if (o instanceof Serializable) {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos;
        try {
            oos = new ObjectOutputStream(baos);
            oos.writeObject(o);
            oos.close();
            byte[] ret = baos.toByteArray();
            return "Z" + enPrintable(ret);

        } catch (IOException e) {
            ExHandler.handle(e);
            return null;
        }
    }
    return null;
}

From source file:com.npower.unicom.sync.AbstractExportDaemonPlugIn.java

/**
 * //from   w w  w .  java 2 s. c  o m
 * @param date
 */
private void updateLastSyncTimeStamp(Date date) {
    File requestDir = this.getRequestDir();
    File file = new File(requestDir, AbstractExportDaemonPlugIn.FILENAME_LAST_SYNC_TIME_STAMP);
    try {
        ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(file));
        out.writeObject(date);
        out.close();
    } catch (FileNotFoundException e) {
        log.error("failure to update last sync time stamp: " + e.getMessage(), e);
    } catch (IOException e) {
        log.error("failure to update last sync time stamp: " + e.getMessage(), e);
    }
}

From source file:com.taobao.metamorphosis.utils.codec.impl.JavaSerializer.java

/**
 * @see com.taobao.notify.codec.Serializer#encodeObject(Object)
 */// w  w  w.ja  va2  s .co  m
@Override
public byte[] encodeObject(final Object objContent) throws IOException {
    ByteArrayOutputStream baos = null;
    ObjectOutputStream output = null;
    try {
        baos = new ByteArrayOutputStream(1024);
        output = new ObjectOutputStream(baos);
        output.writeObject(objContent);
    } catch (final IOException ex) {
        throw ex;

    } finally {
        if (output != null) {
            try {
                output.close();
                if (baos != null) {
                    baos.close();
                }
            } catch (final IOException ex) {
                this.logger.error("Failed to close stream.", ex);
            }
        }
    }
    return baos != null ? baos.toByteArray() : null;
}

From source file:net.nicholaswilliams.java.licensing.ObjectSerializer.java

/**
 * Serializes the {@link Serializable} object passed and returns it as a byte array.
 *
 * @param object The object to serialize
 * @return the byte stream with the object serialized in it.
 * @throws ObjectSerializationException if an I/O exception occurs while serializing the object.
 *//*from   w  ww  .  j  a  v  a  2s. c  om*/
public final byte[] writeObject(Serializable object) throws ObjectSerializationException {
    ByteArrayOutputStream bytes = new ByteArrayOutputStream();

    ObjectOutputStream stream = null;
    try {
        stream = new ObjectOutputStream(bytes);
        stream.writeObject(object);
    } catch (IOException e) {
        throw new ObjectSerializationException(e);
    } finally {
        try {
            if (stream != null)
                stream.close();
        } catch (IOException ignore) {
        }
    }

    return bytes.toByteArray();
}