Example usage for java.io ObjectInputStream ObjectInputStream

List of usage examples for java.io ObjectInputStream ObjectInputStream

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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:maltcms.ui.fileHandles.serialized.JFCLoader.java

@Override
public JFreeChart call() throws Exception {
    ph.start(100);/*from   w w  w. j a va 2  s .co m*/
    JFreeChart chart = null;
    try {
        ph.progress("Opening file", 33);
        try (ObjectInputStream ois = new ObjectInputStream(
                new BufferedInputStream(new FileInputStream(filename)))) {
            ph.progress("Reading object", 66);
            chart = (JFreeChart) ois.readObject();
        }
    } catch (final ClassNotFoundException e) {
        ph.progress("ClassNotFoundException", 80);
        e.printStackTrace();
    } catch (final IOException e) {
        ph.progress("IOException", 80);
        e.printStackTrace();
    }
    ph.progress("Finished!", 100);
    ph.finish();

    return chart;
}

From source file:com.thoughtworks.go.util.ObjectUtil.java

public static Object deserialize(byte[] bytes) {
    try {/*ww w. ja  v  a 2 s .c o  m*/
        return new ObjectInputStream(new ByteArrayInputStream(bytes)).readObject();
    } catch (Exception e) {
        throw ExceptionUtils.bomb(e);
    }
}

From source file:jp.queuelinker.system.util.SerializeUtil.java

/**
 * Deserializes an object from a byte array by using the Java standard serialization mechanism.
 * @param data//from w ww  .  j ava 2s. co m
 * @param offset
 * @param length
 * @return
 */
public static Object deserialize(final byte[] data, final int offset, final int length) {
    Object ret = null;
    ByteArrayInputStream byteStream = new ByteArrayInputStream(data, offset, length);

    try {
        ObjectInputStream objStream = new ObjectInputStream(byteStream);
        ret = objStream.readObject();
        objStream.close();
    } catch (IOException e) {
        logger.error("Exception: " + e);
    } catch (ClassNotFoundException e) {
        logger.error("Exception: " + e);
    }
    return ret;
}

From source file:com.rr.familyPlanning.ui.security.decryptObject.java

/**
 * Decrypts the String and serializes the object
 *
 * @param base64Data/*from  w  ww.  j  ava  2  s  .  co  m*/
 * @param base64IV
 * @return
 * @throws Exception
 */
public Object decryptObject(String base64Data, String base64IV) throws Exception {
    // Decode the data
    byte[] encryptedData = Base64.decodeBase64(base64Data.getBytes());

    // Decode the Init Vector
    byte[] rawIV = Base64.decodeBase64(base64IV.getBytes());

    // Configure the Cipher
    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
    IvParameterSpec ivSpec = new IvParameterSpec(rawIV);
    MessageDigest digest = MessageDigest.getInstance("SHA-256");
    digest.update(keyString.getBytes());
    byte[] key = new byte[16];
    System.arraycopy(digest.digest(), 0, key, 0, key.length);
    SecretKeySpec keySpec = new SecretKeySpec(key, "AES");
    cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec);

    // Decrypt the data..
    byte[] decrypted = cipher.doFinal(encryptedData);

    // Deserialize the object
    ByteArrayInputStream stream = new ByteArrayInputStream(decrypted);

    ObjectInput in = new ObjectInputStream(stream);
    Object obj = null;
    try {
        obj = in.readObject();
    } finally {
        stream.close();
        in.close();
    }
    return obj;
}

From source file:info.donsun.cache.filecache.FileCache.java

@Override
public Object get(Object key) throws CacheException {
    synchronized (LOCK) {
        // /*from   w w w .j av a  2 s  .  c o  m*/
        if (exists(key)) {
            // ??
            for (String fileName : listFileNames()) {
                if (isCacheFile(key, fileName)) {
                    try {
                        FileInputStream fileStream = new FileInputStream(
                                FileUtils.getFile(config.getDir(), fileName));
                        ObjectInputStream in = new ObjectInputStream(fileStream);
                        boolean isExpire = false;
                        try {
                            CachedObject cachedObject = (CachedObject) in.readObject();
                            // 
                            if (cachedObject.getExpire() > 0
                                    && cachedObject.getExpire() < System.currentTimeMillis()) {
                                isExpire = true;
                                return null;
                            }
                            return cachedObject.getData();
                        } finally {
                            in.close();
                            fileStream.close();
                            if (isExpire) {
                                remove(key);
                            }
                        }
                    } catch (Exception e) {
                        throw new CacheException("Get cache file fail.", e);
                    }
                }
            }
        }

        return null;
    }
}

From source file:eu.supersede.fe.security.redis.template.ObjectRedisSerializer.java

@Override
public Object deserialize(byte[] bytes) throws SerializationException {
    if (bytes == null) {
        return null;
    }/* w ww  .  ja v a2  s  .c  o m*/

    try (ByteArrayInputStream b = new ByteArrayInputStream(bytes)) {
        try (ObjectInputStream o = new ObjectInputStream(b)) {
            return o.readObject();
        }
    } catch (Exception ex) {
        log.error(ex.getMessage());
    }

    return null;
}

From source file:BckgrndServiceThreads.fileListingTH.java

Object getSerializedObject(String objectName) throws Exception {

    FileInputStream inputFile = new FileInputStream(objectName);
    ObjectInputStream inputObject = new ObjectInputStream(inputFile);
    Object getObjectToReturn = inputObject.readObject();
    inputObject.close();//from w  ww .j a v  a2s  .c  o m
    return getObjectToReturn;
}

From source file:com.griddynamics.jagger.util.SerializationUtils.java

public static <T extends Serializable> T fromString(String s) {
    if (s.isEmpty()) {
        log.info("fromString({}, '{}')", fromStringCount.getAndIncrement(), s);
    }/*from   www .jav  a2 s .  c  o m*/
    ObjectInputStream ois = null;
    try {
        byte[] data = Base64Coder.decode(s);
        try {
            //TODO fixes for support old reports
            ois = new JBossObjectInputStream(new ByteArrayInputStream(data));
        } catch (IOException e) {
            // /data stored not with JBoss
            ois = new ObjectInputStream(new ByteArrayInputStream(data));
        }
        T obj = (T) ois.readObject();
        return obj;
    } catch (IOException e) {
        log.error("Deserialization exception ", e);
        log.error("fromString('{}')", s);
        throw new TechnicalException(e);
    } catch (ClassNotFoundException e) {
        log.error("Deserialization exception ", e);
        throw new TechnicalException(e);
    } finally {
        try {
            Closeables.close(ois, true);
        } catch (IOException e) {
            log.warn("IOException should not have been thrown.", e);
        }
    }
}

From source file:com.impetus.kundera.property.accessor.ObjectAccessor.java

@Override
public final Object fromBytes(Class targetClass, byte[] bytes) {
    try {/*  w  w  w  .  j av  a  2  s.  c  o m*/
        if (targetClass != null && targetClass.equals(byte[].class)) {
            return bytes;
        }
        ObjectInputStream ois;
        ois = new ObjectInputStream(new ByteArrayInputStream(bytes));
        Object o = ois.readObject();
        ois.close();
        return o;
    } catch (IOException e) {
        throw new PropertyAccessException(e);
    } catch (ClassNotFoundException e) {
        throw new PropertyAccessException(e);
    }

}

From source file:com.marintek.isis.wicket.popupbox.applib.PopupWicketBoxSemanticsProvider.java

static Object fromString(String s) {
    final byte[] data = Base64.decodeBase64(s);
    ObjectInputStream ois = null;
    try {//  w  w w.  jav a 2 s .com
        ois = new ObjectInputStream(new ByteArrayInputStream(data));
        return ois.readObject();
    } catch (IOException e) {
        throw new Base64Serializer.Exception(e);
    } catch (ClassNotFoundException e) {
        throw new Base64Serializer.Exception(e);
    } finally {
        try {
            if (ois != null) {
                ois.close();
            }
        } catch (IOException e) {
            throw new Base64Serializer.Exception(e);
        }
    }
}