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:gov.nih.nci.ncicb.tcga.dcc.dam.bean.QuartzQueueJobDetails.java

/**
 * Extract estimatedUncompressedSize and jobWSSubmissionDate from the given <code>Blob</code>
 * (which is expected to be a serialized <code>FilePackagerBean</code>) and populates this bean's properties
 *
 * @param jobData the serialized <code>FilePackagerBean</code> 
 *///w w  w . j  a va 2  s. c  om
private void extractData(final Blob jobData) {

    // Default values that will be used in case an exception is raised
    Long estimatedUncompressedSize = null;
    Date jobWSSubmissionDate = null;

    if (jobData != null) {

        ObjectInputStream objectInputStream = null;
        try {
            //noinspection IOResourceOpenedButNotSafelyClosed
            objectInputStream = new ObjectInputStream(jobData.getBinaryStream());
            final JobDataMap jobDataMap = (JobDataMap) objectInputStream.readObject();
            final FilePackagerBean filePackagerBean = (FilePackagerBean) jobDataMap.get(JobDelegate.DATA_BEAN);
            ;

            estimatedUncompressedSize = filePackagerBean.getEstimatedUncompressedSize();
            jobWSSubmissionDate = filePackagerBean.getJobWSSubmissionDate();

        } catch (final IOException e) {
        } catch (final SQLException e) {
        } catch (final ClassNotFoundException e) {
        } finally {
            IOUtils.closeQuietly(objectInputStream);
        }
    }

    // Set this bean's fields
    setEstimatedUncompressedSize(estimatedUncompressedSize);
    setJobWSSubmissionDate(jobWSSubmissionDate);
}

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From source file:net.larry1123.util.api.world.blocks.BlockPropertyStorage.java

public BlockPropertyStorage(String json) throws ParseException, ClassNotFoundException {
    // TODO add a bit of validation
    JSONParser parser = new JSONParser();
    JSONObject jsonObject = (JSONObject) parser.parse(json);
    name = (String) jsonObject.get("keyName");
    blockTypeMachineName = (String) jsonObject.get("blockTypeMachineName");
    blockTypeData = (Short) jsonObject.get("blockTypeData");
    try {//ww w  .j  a va2 s  .co  m
        byte[] bytes = Base64.decodeBase64((String) jsonObject.get("value"));
        ObjectInputStream objectInputStream = new ObjectInputStream(new ByteArrayInputStream(bytes));
        value = (Comparable) objectInputStream.readObject();
    } catch (IOException e) {
        throw new Error();
        // Not sure how that could happen but I will see what I may need to do
    }
}

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From source file:edu.harvard.i2b2.loinc.BinResourceFromLoincData.java

public static HashMap<String, String> deSerializeLoincCodeToNameMap() throws IOException {

    HashMap<String, String> map = null;
    ObjectInputStream ois = null;
    InputStream fis = null;// ww w.j  a  v  a 2  s  .  c om

    try {
        fis = BinResourceFromLoincData.class.getResourceAsStream("/loinc/loincCodeToNameMap.bin");
        ois = new ObjectInputStream(fis);
        map = (HashMap<String, String>) ois.readObject();

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

    return map;
}

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From source file:com.bitranger.parknshop.util.ObjUtils.java

public static Object fromBytes(byte[] plainObj) {

    Object var = null;
    ByteArrayInputStream baIS = new ByteArrayInputStream(plainObj);
    ObjectInputStream objIS = null;
    try {//from  ww  w  .j a  v  a2  s . c  om
        objIS = new ObjectInputStream(baIS);
        var = objIS.readObject();

    } catch (Exception e) {
        throw new RuntimeException(e.getMessage() + "\n\tCAUSE: " + e.getCause(), e);
    } finally {
        try {
            baIS.close();
            if (objIS != null) {
                objIS.close();
            }
        } catch (IOException e) {
            throw new RuntimeException(e.getMessage() + "\n\tCAUSE: " + e.getCause(), e);
        }
    }
    return var;
}

---

From source file:de.tudarmstadt.ukp.dkpro.tc.weka.report.WekaBatchPredictionReport.java

@Override
public void execute() throws Exception {
    StorageService store = getContext().getStorageService();

    FlexTable<String> table = FlexTable.forClass(String.class);

    for (TaskContextMetadata subcontext : getSubtasks()) {
        if (subcontext.getType().startsWith(ExtractFeaturesAndPredictTask.class.getName())) {

            Map<String, String> discriminatorsMap = store
                    .retrieveBinary(subcontext.getId(), Task.DISCRIMINATORS_KEY, new PropertiesAdapter())
                    .getMap();/*from   ww  w .  j a v a  2 s  . c o m*/

            // deserialize file
            FileInputStream f = new FileInputStream(store.getStorageFolder(subcontext.getId(),
                    ExtractFeaturesAndPredictConnector.PREDICTION_MAP_FILE_NAME));
            ObjectInputStream s = new ObjectInputStream(f);
            Map<String, List<String>> resultMap = (Map<String, List<String>>) s.readObject();
            s.close();

            // write one file per batch
            // in files: one line per instance

            for (String id : resultMap.keySet()) {
                Map<String, String> row = new HashMap<String, String>();
                row.put(predicted_value, StringUtils.join(resultMap.get(id), ","));
                table.addRow(id, row);
            }
            // create a separate output folder for each execution of
            // ExtractFeaturesAndPredictTask, 36 is the length of the UUID hash
            File contextFolder = store.getStorageFolder(getContext().getId(),
                    subcontext.getId().substring(subcontext.getId().length() - 36));
            // Excel cannot cope with more than 255 columns
            if (table.getColumnIds().length <= 255) {
                getContext().storeBinary(contextFolder.getName() + System.getProperty("file.separator")
                        + report_name + SUFFIX_EXCEL, table.getExcelWriter());
            }
            getContext().storeBinary(
                    contextFolder.getName() + System.getProperty("file.separator") + report_name + SUFFIX_CSV,
                    table.getCsvWriter());
            getContext().storeBinary(
                    contextFolder.getName() + System.getProperty("file.separator") + Task.DISCRIMINATORS_KEY,
                    new PropertiesAdapter(discriminatorsMap));
        }
    }

    // output the location of the batch evaluation folder
    // otherwise it might be hard for novice users to locate this
    File dummyFolder = store.getStorageFolder(getContext().getId(), "dummy");
    // TODO can we also do this without creating and deleting the dummy folder?
    getContext().getLoggingService().message(getContextLabel(),
            "Storing detailed results in:\n" + dummyFolder.getParent() + "\n");
    dummyFolder.delete();
}

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From source file:common.services.generic.GenericCacheService.java

@Override
public T getFromFile() {
    File f = new File(path, "cache.tmp");
    if (!f.exists())
        return null;
    try {//w w  w  .j a  va 2s  . co  m
        FileInputStream fi = new FileInputStream(f);
        ObjectInputStream si = new ObjectInputStream(fi);
        T tmp = (T) si.readObject();
        si.close();
        fi.close();
        return tmp;
    } catch (IOException ex) {
        logger.error("failed to load cache path = " + path, ex);
        return null;
    } catch (ClassNotFoundException ex) {
        logger.error("failed to load cache path = " + path, ex);
        return null;
    }
}

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From source file:PersisTest.java

public void actionPerformed(ActionEvent e) {
    if (e.getSource() == clearBtn) {
        // Repaint with an empty display list.
        displayList = new ArrayList();
        repaint();/*from w  ww  . j  a v  a2s.  c  o m*/
    } else if (e.getSource() == saveBtn) {
        // Write display list array list to an object output stream.
        try {
            FileOutputStream fos = new FileOutputStream(pathname);
            ObjectOutputStream oos = new ObjectOutputStream(fos);
            oos.writeObject(displayList);
            oos.flush();
            oos.close();
            fos.close();
        } catch (IOException ex) {
            System.err.println("Trouble writing display list array list");
        }
    } else if (e.getSource() == restoreBtn) {
        // Read a new display list array list from an object input stream.
        try {
            FileInputStream fis = new FileInputStream(pathname);
            ObjectInputStream ois = new ObjectInputStream(fis);
            displayList = (ArrayList) (ois.readObject());
            ois.close();
            fis.close();
            repaint();
        } catch (ClassNotFoundException ex) {
            System.err.println("Trouble reading display list array list");
        } catch (IOException ex) {
            System.err.println("Trouble reading display list array list");
        }
    } else if (e.getSource() == quitBtn) {
        System.exit(0);
    }
}

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From source file:net.sf.ehcache.distribution.EventMessageTest.java

/**
 * test serialization and deserialization of EventMessage.
 *///from  www.  j  a v  a2 s .c  om
public void testSerialization() throws IOException, ClassNotFoundException {

    EventMessage eventMessage = new EventMessage(EventMessage.PUT, "key", new Element("key", "element"));

    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(bout);
    oos.writeObject(eventMessage);
    byte[] serializedValue = bout.toByteArray();
    oos.close();
    EventMessage eventMessage2 = null;
    ByteArrayInputStream bin = new ByteArrayInputStream(serializedValue);
    ObjectInputStream ois = new ObjectInputStream(bin);
    eventMessage2 = (EventMessage) ois.readObject();
    ois.close();

    //Check after Serialization
    assertEquals("key", eventMessage2.getSerializableKey());
    assertEquals("element", eventMessage2.getElement().getObjectValue());
    assertEquals(EventMessage.PUT, eventMessage2.getEvent());
    assertTrue(eventMessage2.isValid());

}

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From source file:com.oprisnik.semdroid.utils.FileUtils.java

public static Object loadObjectFromStream(InputStream input) throws ClassNotFoundException, IOException {
    ObjectInputStream ois = null;
    Object obj = null;/*  w  w  w.j a  v  a2 s.co m*/
    try {
        ois = new ObjectInputStream(input);
        obj = ois.readObject();
    } finally {
        IOUtils.closeQuietly(ois);
    }
    return obj;
}

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From source file:ddf.camel.component.catalog.content.FileSystemDataAccessObject.java

public Object loadFromPersistence(String storePath, String suffix, String key) {
    String pathString = storePath + key + suffix;
    File file = new File(pathString);
    if (!file.exists()) {
        return null;
    }/*  w w w .  jav  a  2  s . c  o m*/

    try (InputStream inputStream = new FileInputStream(pathString)) {
        InputStream buffer = new BufferedInputStream(inputStream);
        try (ObjectInput input = new ObjectInputStream(buffer)) {
            return input.readObject();
        }
    } catch (IOException e) {
        LOGGER.debug("IOException", e);
    } catch (ClassNotFoundException e) {
        LOGGER.debug("ClassNotFoundException", e);
    }

    return null;
}

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