Example usage for java.io ObjectInputStream readObject

List of usage examples for java.io ObjectInputStream readObject

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Introduction

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

Prototype

public final Object readObject() throws IOException, ClassNotFoundException

Source Link

Document

Read an object from the ObjectInputStream.

Usage

From source file:com.amazon.sqs.javamessaging.message.SQSObjectMessage.java

/**
 * Deserialize the <code>String</code> into <code>Serializable</code>
 * object./*from   w w  w.  j ava  2  s.  co  m*/
 */
protected static Serializable deserialize(String serialized) throws JMSException {
    if (serialized == null) {
        return null;
    }
    Serializable deserializedObject;
    ObjectInputStream objectInputStream = null;
    try {
        byte[] bytes = Base64.decode(serialized);
        objectInputStream = new ObjectInputStream(new ByteArrayInputStream(bytes));
        deserializedObject = (Serializable) objectInputStream.readObject();
    } catch (IOException e) {
        LOG.error("IOException: Message cannot be written", e);
        throw convertExceptionToMessageFormatException(e);
    } catch (Exception e) {
        LOG.error("Unexpected exception: ", e);
        throw convertExceptionToMessageFormatException(e);
    } finally {
        if (objectInputStream != null) {
            try {
                objectInputStream.close();
            } catch (IOException e) {
                LOG.warn(e.getMessage());
            }
        }
    }
    return deserializedObject;
}

From source file:atg.tools.dynunit.test.util.FileUtil.java

/**
 * @see org.apache.commons.lang3.SerializationUtils#deserialize(java.io.InputStream)
 *//*from  www  . j  a va 2s  .c  om*/
@Nullable
@Deprecated
@SuppressWarnings("unchecked")
public static Map<String, Long> deserialize(@NotNull final File file, final long serialTtl) {

    if (file.exists() && file.lastModified() < System.currentTimeMillis() - serialTtl) {
        logger.debug("Deleting previous serial {} because it's older than {} ms", file.getPath(), serialTtl);
        file.delete();
    }

    Map<String, Long> o = null;
    try {
        if (file.exists()) {
            final ObjectInputStream in = new ObjectInputStream(new FileInputStream(file));
            try {
                o = (Map<String, Long>) in.readObject();
            } finally {
                in.close();
            }
        }
    } catch (Exception e) {
        logger.catching(e);
    }
    if (o == null) {
        o = new HashMap<String, Long>();
    }
    return o;
}

From source file:com.ery.ertc.estorm.util.ToolUtil.java

public static Object deserializeObject(String serStr, boolean isGzip, boolean urlEnCode) throws IOException {
    byte[] bts = null;
    if (urlEnCode) {
        bts = org.apache.commons.codec.binary.Base64.decodeBase64(serStr.getBytes("ISO-8859-1"));
    } else {//from w ww  . j  a  v a2 s. com
        bts = serStr.getBytes("ISO-8859-1");
    }
    if (isGzip)
        bts = GZIPUtils.unzip(bts);
    ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(bts);
    ObjectInputStream objectInputStream = new ObjectInputStream(byteArrayInputStream);
    try {
        return objectInputStream.readObject();
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
        throw new IOException(e);
    } finally {
        objectInputStream.close();
        byteArrayInputStream.close();
    }
}

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

public static AvroBulletRecord fromRecordBytes(byte[] data) {
    try {// w  ww . j a  v a 2s .c o m
        ObjectInputStream stream = new ObjectInputStream(new ByteArrayInputStream(data));
        return (AvroBulletRecord) stream.readObject();
    } catch (IOException | ClassNotFoundException e) {
        throw new RuntimeException(e);
    }
}

From source file:com.vmware.identity.openidconnect.sample.RelyingPartyInstaller.java

static Object readObject(String file) throws IOException, ClassNotFoundException {
    FileInputStream fis = null;/*from  w  w  w.j  ava 2s . c  o  m*/
    ObjectInputStream ois = null;
    try {
        fis = new FileInputStream(file);
        ois = new ObjectInputStream(fis);
        Object object = ois.readObject();
        return object;
    } finally {
        if (ois != null) {
            ois.close();
        }
    }
}

From source file:com.couchbase.client.java.transcoder.TranscoderUtils.java

/**
 * Takes the input content and deserializes it.
 *
 * @param content the content to deserialize.
 * @return the serializable object./*from  w w  w  .java 2s  .  c o  m*/
 * @throws Exception if something goes wrong during deserialization.
 */
public static Serializable deserialize(final ByteBuf content) throws Exception {
    byte[] serialized = new byte[content.readableBytes()];
    content.getBytes(0, serialized);
    ByteArrayInputStream bis = new ByteArrayInputStream(serialized);
    ObjectInputStream is = new ObjectInputStream(bis);
    Serializable deserialized = (Serializable) is.readObject();
    is.close();
    bis.close();
    return deserialized;
}

From source file:com.cooksys.postmaster.PostmasterModelSingleton.java

public static PostmasterModelSingleton getInstance() {
    if (_instance == null) {
        try {/*from  www.j  a v  a 2s  .c  om*/
            //see if we can read the object from the file first
            FileInputStream fileInputStream = new FileInputStream(POSTMASTER_DATA_FILE);
            ObjectInputStream objectInputStream = new ObjectInputStream(fileInputStream);
            _instance = (PostmasterModelSingleton) objectInputStream.readObject();

            //fill in transient variables from their serializable counterparts
            _instance.createTransientPropertyInstances();

            for (ParsedHttpRequest request : _instance.requestList) {
                _instance.incomingMessagesList.add(request.getRequestLine());
            }

            int index = 0;
            for (ParsedHttpResponse response : _instance.responseList) {
                Text defaultResponseText = new Text(response.getName());
                if (index == _instance.defaultResponseIndex) {
                    defaultResponseText.setFont(Font.font(null, FontWeight.BOLD, 12));
                }
                _instance.savedResponsesList.add(defaultResponseText);
                index++;
            }

            _instance.messageConsole.set(_instance.messageConsoleSerializable);

        } catch (FileNotFoundException ex) {
            //File does not exist, so create a new instance
            _instance = new PostmasterModelSingleton();
        } catch (IOException | ClassNotFoundException ex) {
            //for these exceptions, just create a new instance
            Logger.getLogger(PostmasterModelSingleton.class.getName()).log(Level.SEVERE, null, ex);
            _instance = new PostmasterModelSingleton();
        }
    }

    return _instance;
}

From source file:edu.iu.daal_cov.COVDaalCollectiveMapper.java

private static PartialResult deserializePartialResult(ByteArray byteArray)
        throws IOException, ClassNotFoundException {
    /* Create an input stream to deserialize the numeric table from the array */
    byte[] buffer = byteArray.get();
    ByteArrayInputStream inputByteStream = new ByteArrayInputStream(buffer);
    ObjectInputStream inputStream = new ObjectInputStream(inputByteStream);

    /* Create a numeric table object */
    PartialResult restoredDataTable = (PartialResult) inputStream.readObject();
    restoredDataTable.unpack(daal_Context);

    return restoredDataTable;
}

From source file:edu.harvard.i2b2.Icd9ToSnomedCT.BinResourceFromIcd9ToSnomedCTMap.java

public static HashMap<String, String> deSerializeIcd9CodeToNameMap() throws IOException {
    logger.debug("loading map..");
    HashMap<String, String> map = null;
    ObjectInputStream ois = null;
    InputStream fis = null;/*from www.  j a va 2s . co m*/

    try {
        fis = BinResourceFromIcd9ToSnomedCTMap.class.getResourceAsStream(binFileName);
        if (fis == null)
            logger.error("mapping file not found:" + binFileName);
        ois = new ObjectInputStream(fis);
        map = (HashMap<String, String>) ois.readObject();

    } catch (Exception e) {
        logger.error(e.getMessage(), e);
    } finally {
        ois.close();
        fis.close();
    }

    logger.debug("..loaded");
    return map;
}

From source file:com.stgmastek.core.logic.ExecutionOrder.java

/**
 * Reads the saved state of the batch for revision runs 
 * If the current batch number it 1000 and revision is 5, 
 * then this method would look for saved state of batch 1000 
 * with revision (5 - 1) i.e. '1000_4.savepoint' 
 * //from  ww  w . j av a 2 s.com
 * @param batchContext
 *         The context for the batch 
 * @throws BatchException
 *          Any exception thrown during reading of the serialized file 
 */
public static synchronized void updateBatchState(BatchContext batchContext) throws BatchException {
    BatchInfo newBatchInfo = batchContext.getBatchInfo();
    String savepointFilePath = Configurations.getConfigurations().getConfigurations("CORE", "SAVEPOINT",
            "DIRECTORY");
    String savePointFile = FilenameUtils.concat(savepointFilePath,
            newBatchInfo.getBatchNo() + "_" + (newBatchInfo.getBatchRevNo() - 1) + ".savepoint");
    if (logger.isDebugEnabled()) {
        logger.debug("Reading the saved state from file : " + savePointFile);
    }
    FileInputStream fis = null;
    try {

        //Check whether the file exists
        File f = new File(savePointFile);
        if (!f.exists())
            throw new BatchException("Cannot locate the the save point file named :" + savePointFile);

        fis = new FileInputStream(f);
        ObjectInputStream ois = new ObjectInputStream(fis);
        BatchInfo savedBatchInfo = (BatchInfo) ois.readObject();
        newBatchInfo.setOrderedMap(savedBatchInfo.getOrderedMap());
        newBatchInfo.setProgressLevelAtLastSavePoint(
                (ProgressLevel) savedBatchInfo.getProgressLevelAtLastSavePoint()); //This object is different but still cloned.
        newBatchInfo.setBatchRunDate(savedBatchInfo.getBatchRunDate());
        newBatchInfo.setDateRun(savedBatchInfo.isDateRun());

        if (logger.isDebugEnabled()) {
            logger.debug(
                    "Last batch saved state is " + savedBatchInfo.getProgressLevelAtLastSavePoint().toString());
        }
        //Set the ExecutionStatus in the ProgressLevel
        ExecutionStatus savedExecutionStatus = newBatchInfo.getProgressLevelAtLastSavePoint()
                .getExecutionStatus();
        ProgressLevel.getProgressLevel(newBatchInfo.getBatchNo())
                .setExecutionStatus(savedExecutionStatus.getEntity(), savedExecutionStatus.getStageCode());
        fis.close();
        fis = null;
        ois.close();
        ois = null;
    } catch (FileNotFoundException e) {
        logger.error(e);
        throw new BatchException(e.getMessage(), e);
    } catch (IOException e) {
        logger.error(e);
        throw new BatchException(e.getMessage(), e);
    } catch (ClassNotFoundException e) {
        logger.error(e);
        throw new BatchException(e.getMessage(), e);
    } finally {
        if (fis != null) {
            try {
                fis.close();
            } catch (IOException e) {
            }
        }
    }
}