Example usage for java.io ObjectInput close

Introduction

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

Prototype

public void close() throws IOException;

Source Link

Document

Closes the input stream.

Usage

From source file:net.brtly.monkeyboard.api.plugin.Bundle.java

/**
 * Factory method that creates a Bundle by deserializing a byte array
 * produced by {@link #toByteArray(Bundle)}
 * /*www  .ja  va2  s  . c o  m*/
 * @param b
 * @return
 * @throws IOException
 * @throws ClassNotFoundException
 */
public static Bundle fromByteArray(byte[] b) throws IOException, ClassNotFoundException {
    ByteArrayInputStream bis = new ByteArrayInputStream(b);
    ObjectInput in = null;
    try {
        in = new ObjectInputStream(bis);
        return (Bundle) in.readObject();
    } finally {
        bis.close();
        in.close();
    }
}

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From source file:io.bitsquare.common.util.Utilities.java

public static <T extends Serializable> T deserialize(byte[] data) {
    ByteArrayInputStream bis = new ByteArrayInputStream(data);
    ObjectInput in = null;
    Object result = null;/*from  w w  w. ja v  a 2 s  . c  o  m*/
    try {
        in = new LookAheadObjectInputStream(bis, true);
        result = in.readObject();
        if (!(result instanceof Serializable))
            throw new RuntimeException("Object not of type Serializable");
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            bis.close();
        } catch (IOException ex) {
            // ignore close exception
        }
        try {
            if (in != null) {
                in.close();
            }
        } catch (IOException ex) {
            // ignore close exception
        }
    }
    return (T) result;
}

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From source file:com.gsma.mobileconnect.discovery.DiscoveryResponseTest.java

private DiscoveryResponse roundTripSerialize(DiscoveryResponse in) throws IOException, ClassNotFoundException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutput output = new ObjectOutputStream(baos);

    output.writeObject(in);/* w  w  w.  j a va2s .com*/

    output.close();

    ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
    ObjectInput input = new ObjectInputStream(bais);

    DiscoveryResponse out = (DiscoveryResponse) input.readObject();

    input.close();

    return out;
}

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

/**
 * Decrypts the String and serializes the object
 *
 * @param base64Data/*from  w  ww . j a  va 2  s .  c  om*/
 * @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;
}

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From source file:org.jfree.experimental.chart.annotations.junit.XYTitleAnnotationTests.java

/**
 * Serialize an instance, restore it, and check for equality.
 *///  w  w w.j  a v  a  2 s  . co  m
public void testSerialization() {
    TextTitle t = new TextTitle("Title");
    XYTitleAnnotation a1 = new XYTitleAnnotation(1.0, 2.0, t);
    XYTitleAnnotation a2 = null;
    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(a1);
        out.close();

        ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
        a2 = (XYTitleAnnotation) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(a1, a2);
}

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From source file:org.jfree.chart.demo.SerializationTest1.java

/**
 * Constructs a new demonstration application.
 *
 * @param title  the frame title.//from  w  ww  .  j  ava 2 s  .c  om
 */
public SerializationTest1(final String title) {

    super(title);
    this.series = new TimeSeries("Random Data", Millisecond.class);
    TimeSeriesCollection dataset = new TimeSeriesCollection(this.series);
    JFreeChart chart = createChart(dataset);

    // SERIALIZE - DESERIALIZE for testing purposes
    JFreeChart deserializedChart = null;

    try {
        final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        final ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(chart);
        out.close();
        chart = null;
        dataset = null;
        this.series = null;
        System.gc();

        final ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
        deserializedChart = (JFreeChart) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    final TimeSeriesCollection c = (TimeSeriesCollection) deserializedChart.getXYPlot().getDataset();
    this.series = c.getSeries(0);
    // FINISHED TEST

    final ChartPanel chartPanel = new ChartPanel(deserializedChart);
    final JButton button = new JButton("Add New Data Item");
    button.setActionCommand("ADD_DATA");
    button.addActionListener(this);

    final JPanel content = new JPanel(new BorderLayout());
    content.add(chartPanel);
    content.add(button, BorderLayout.SOUTH);
    chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
    setContentPane(content);

}

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From source file:MemComboBoxDemo.java

public void load(String fName) {
    try {//from  www  .ja  va  2s .  c o  m
        if (getItemCount() > 0)
            removeAllItems();
        File f = new File(fName);
        if (!f.exists())
            return;
        FileInputStream fStream = new FileInputStream(f);
        ObjectInput stream = new ObjectInputStream(fStream);

        Object obj = stream.readObject();
        if (obj instanceof ComboBoxModel)
            setModel((ComboBoxModel) obj);

        stream.close();
        fStream.close();
    } catch (Exception e) {
        System.err.println("Serialization error: " + e.toString());
    }
}

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From source file:org.jaqpot.algorithms.resource.Standarization.java

@POST
@Path("prediction")
public Response prediction(PredictionRequest request) {
    try {//  w  w  w  .  ja v  a  2s .c  o  m
        if (request.getDataset().getDataEntry().isEmpty()
                || request.getDataset().getDataEntry().get(0).getValues().isEmpty()) {
            return Response.status(Response.Status.BAD_REQUEST)
                    .entity("Dataset is empty. Cannot make predictions on empty dataset.").build();
        }
        List<String> features = request.getDataset().getDataEntry().stream().findFirst().get().getValues()
                .keySet().stream().collect(Collectors.toList());
        String base64Model = (String) request.getRawModel();
        byte[] modelBytes = Base64.getDecoder().decode(base64Model);
        ByteArrayInputStream bais = new ByteArrayInputStream(modelBytes);
        ObjectInput in = new ObjectInputStream(bais);
        ScalingModel model = (ScalingModel) in.readObject();
        in.close();
        bais.close();

        List<LinkedHashMap<String, Object>> predictions = new ArrayList<>();

        for (DataEntry dataEntry : request.getDataset().getDataEntry()) {
            LinkedHashMap<String, Object> data = new LinkedHashMap<>();
            for (String feature : features) {
                Double stdev = model.getMaxValues().get(feature);
                Double mean = model.getMinValues().get(feature);
                Double value = Double.parseDouble(dataEntry.getValues().get(feature).toString());
                if (stdev != null && stdev != 0.0 && mean != null) {
                    value = (value - mean) / stdev;
                } else {
                    value = 1.0;
                }
                data.put("Standarized " + feature, value);
            }
            predictions.add(data);
        }

        PredictionResponse response = new PredictionResponse();
        response.setPredictions(predictions);

        return Response.ok(response).build();
    } catch (Exception ex) {
        LOG.log(Level.SEVERE, null, ex);
        return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(ex.getMessage()).build();
    }
}

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From source file:org.jfree.data.xy.junit.MatrixSeriesCollectionTest.java

/**
 * Serialize an instance, restore it, and check for equality.
 *//*from  w w w.  j a va2 s  .c  o  m*/
public void testSerialization() {
    MatrixSeries s1 = new MatrixSeries("Series", 2, 3);
    s1.update(0, 0, 1.1);
    MatrixSeriesCollection c1 = new MatrixSeriesCollection();
    c1.addSeries(s1);
    MatrixSeriesCollection c2 = null;

    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(c1);
        out.close();

        ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
        c2 = (MatrixSeriesCollection) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(c1, c2);
}

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From source file:org.jfree.data.xy.junit.XYBarDatasetTest.java

/**
 * Serialize an instance, restore it, and check for equality.
 *//*  www  .j  a  v a 2s . c om*/
public void testSerialization() {
    DefaultXYDataset d1 = new DefaultXYDataset();
    double[] x1 = new double[] { 1.0, 2.0, 3.0 };
    double[] y1 = new double[] { 4.0, 5.0, 6.0 };
    double[][] data1 = new double[][] { x1, y1 };
    d1.addSeries("S1", data1);
    XYBarDataset bd1 = new XYBarDataset(d1, 5.0);
    XYBarDataset bd2 = null;
    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(bd1);
        out.close();

        ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
        bd2 = (XYBarDataset) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(bd1, bd2);
}

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