Example usage for java.io ObjectInputStream ObjectInputStream

Introduction

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

Prototype

public ObjectInputStream(InputStream in) throws IOException

Source Link

Document

Creates an ObjectInputStream that reads from the specified InputStream.

Usage

From source file:com.hurence.logisland.processor.hbase.util.ObjectSerDe.java

@Override
public Object deserialize(InputStream is) throws DeserializationException, IOException {
    if (is == null) {
        return null;
    }//from w  w w . j  av  a2 s . c  o  m

    byte[] input = IOUtils.toByteArray(is);
    if (input == null || input.length == 0) {
        return null;
    }

    try (final ByteArrayInputStream in = new ByteArrayInputStream(input);
            final ObjectInputStream objIn = new ObjectInputStream(in)) {
        return objIn.readObject();
    } catch (ClassNotFoundException e) {
        throw new DeserializationException("Could not deserialize object due to ClassNotFoundException", e);
    }
}

From source file:com.openteach.diamond.network.waverider.master.MasterState.java

public static MasterState fromByteBuffer(ByteBuffer buffer) {
    ByteArrayInputStream bin = null;
    ObjectInputStream oin = null;
    try {//  w w w. j  a  v  a2s  .c o  m
        bin = new ByteArrayInputStream(buffer.array(), Packet.getHeaderSize() + Command.getHeaderSize(),
                buffer.remaining());
        oin = new ObjectInputStream(bin);
        return (MasterState) oin.readObject();
    } catch (IOException e) {
        logger.error(e);
        throw new RuntimeException(e);
    } catch (ClassNotFoundException e) {
        logger.error(e);
        throw new RuntimeException(e);
    } finally {
        try {
            if (oin != null) {
                oin.close();
            }
            if (bin != null) {
                bin.close();
            }
        } catch (IOException e) {
            logger.error(e);
        }
    }
}

From source file:com.thoughtworks.go.websocket.MessageEncoding.java

public static Work decodeWork(String data) {
    try {/*w  w w  .ja  v a2  s. co  m*/
        byte[] binary = Base64.getDecoder().decode(data.getBytes(StandardCharsets.UTF_8));
        try (ObjectInputStream objectStream = new ObjectInputStream(new ByteArrayInputStream(binary))) {
            return (Work) objectStream.readObject();
        }
    } catch (ClassNotFoundException | IOException e) {
        throw bomb(e);
    }
}

From source file:corner.util.crypto.Cryptor.java

/**
 * IO?,IO??,.//from   w  w  w.  jav  a  2  s.c  o  m
 * @param outFileName ??. 
 * @param keyFile ??.
 * @return ??.
 */
public static OutputStream encryptFileIO(String outFileName, String keyFile) {
    if (keyFile == null) {
        try {
            return new FileOutputStream(outFileName);
        } catch (FileNotFoundException e) {
            throw new RuntimeException(e);
        }
    }
    SecretKey key = null;

    //?
    ObjectInputStream keyis;
    try {
        keyis = new ObjectInputStream(new FileInputStream(keyFile));
        key = (SecretKey) keyis.readObject();
        keyis.close();
    } catch (FileNotFoundException e) {
        log.error("file not found!", e);
        throw new RuntimeException("file not found", e);
    } catch (IOException e) {
        log.error("io occour exception", e);
        throw new RuntimeException(e);
    } catch (ClassNotFoundException e) {
        log.error("Class Not Found  exception", e);
        throw new RuntimeException(e);
    }

    //keyCipher
    Cipher cipher = null;
    //?Cipher?

    try {
        cipher = Cipher.getInstance("DES");
        //?

        cipher.init(Cipher.ENCRYPT_MODE, key);
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    } catch (NoSuchPaddingException e) {
        throw new RuntimeException(e);
    } catch (InvalidKeyException e) {
        throw new RuntimeException(e);
    }

    //???

    //
    CipherOutputStream out = null;
    try {
        out = new CipherOutputStream(new BufferedOutputStream(new FileOutputStream(outFileName)), cipher);
    } catch (FileNotFoundException e) {
        throw new RuntimeException(e);
    }

    return out;

}

From source file:com.yahoo.bullet.record.AvroBulletRecordTest.java

public static AvroBulletRecord fromRecordBytes(byte[] data) {
    try {/*from  ww  w  .jav a2s  .  co m*/
        ObjectInputStream stream = new ObjectInputStream(new ByteArrayInputStream(data));
        return (AvroBulletRecord) stream.readObject();
    } catch (IOException | ClassNotFoundException e) {
        throw new RuntimeException(e);
    }
}

From source file:aot.util.IOUtil.java

public static Object deserialize(byte[] data) {
    try (ByteArrayInputStream buffer = new ByteArrayInputStream(data)) {
        try (ObjectInputStream input = new ObjectInputStream(buffer)) {
            return input.readObject();
        }/*from w w  w .  ja v  a  2s.co m*/
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:cz.seznam.euphoria.hadoop.SerializableWritableTest.java

@SuppressWarnings("unchecked")
@Test/*w w  w  .ja va  2s  . c  o  m*/
public void testSerialization() throws Exception {
    Configuration conf = new Configuration();
    conf.set("key", "value");

    SerializableWritable<Configuration> sw = new SerializableWritable<>(conf);

    // clone by serialization
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(baos);
    oos.writeObject(sw);

    ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
    ObjectInputStream ois = new ObjectInputStream(bais);

    sw = (SerializableWritable<Configuration>) ois.readObject();
    Configuration newConf = sw.getWritable();

    assertEquals(conf.get("key"), newConf.get("key"));
}

From source file:de.tudarmstadt.ukp.dkpro.core.frequency.tfidf.util.TfidfUtils.java

@SuppressWarnings("unchecked")
public static <T> T deserialize(String filePath) throws Exception {
    ObjectInputStream in = null;//www .  j av  a 2  s  . c o  m
    try {
        in = new ObjectInputStream(new FileInputStream(new File(filePath)));
        return (T) in.readObject();
    } finally {
        closeQuietly(in);
    }
}

From source file:de.dfki.asr.compass.model.AbstractCompassEntity.java

public AbstractCompassEntity deepCopy() throws IOException, ClassNotFoundException {
    AbstractCompassEntity entity = null;
    forceEagerFetch();// w ww .j  av  a  2 s.  co m
    // Write the object out to a byte array
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    ObjectOutputStream out = new ObjectOutputStream(bos);
    out.writeObject(this);
    out.flush();
    out.close();

    // Make an input stream from the byte array and read
    // a copy of the object back in.
    ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()));
    entity = (AbstractCompassEntity) in.readObject();
    entity.clearIdsAfterDeepCopy();
    return entity;
}

From source file:com.googlecode.osde.internal.utils.MapUtil.java

public static Map<String, String> toMap(String data) throws IOException, ClassNotFoundException {

    if (StringUtils.isNotBlank(data)) {
        byte[] bytes = data.getBytes("UTF-8");
        byte[] decoded = Base64.decodeBase64(bytes);
        ByteArrayInputStream bais = new ByteArrayInputStream(decoded);
        ObjectInputStream in = new ObjectInputStream(bais);

        @SuppressWarnings("unchecked")
        Map<String, String> result = (Map<String, String>) in.readObject();
        return result;
    }//from   w w  w .  j  a  v a2s .  c  o  m

    return new HashMap<String, String>();
}