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:org.jaqpot.algorithm.resource.Standarization.java

@POST
@Path("prediction")
public Response prediction(PredictionRequest request) {
    try {// w  w  w.  j a va2  s  .c o  m
        if (request.getDataset().getDataEntry().isEmpty()
                || request.getDataset().getDataEntry().get(0).getValues().isEmpty()) {
            return Response
                    .status(Response.Status.BAD_REQUEST).entity(ErrorReportFactory
                            .badRequest("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:com.act.reachables.ActData.java

public void deserialize(String fromFile) {
    try {//  ww w . jav  a2 s  .  c o  m
        InputStream file = new FileInputStream(fromFile);
        InputStream buffer = new BufferedInputStream(file);
        ObjectInput input = new ObjectInputStream(buffer);
        try {
            ActData._instance = (ActData) input.readObject();
        } finally {
            input.close();
        }
    } catch (ClassNotFoundException ex) {
        throw new RuntimeException("ActData deserialize failed: Class not found: " + ex);
    } catch (IOException ex) {
        throw new RuntimeException("ActData deserialize failed: IO problem: " + ex);
    }
}

---

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

/**
 * A demonstration application showing how to create a simple time series chart.  This
 * example uses monthly data.// www  .  java 2s.  com
 *
 * @param title  the frame title.
 */
public ChartPanelSerializationTest(final String title) {

    super(title);
    final XYDataset dataset = createDataset();
    final JFreeChart chart = createChart(dataset);
    final ChartPanel chartPanel1 = new ChartPanel(chart);
    chartPanel1.setPreferredSize(new java.awt.Dimension(500, 270));
    chartPanel1.setMouseZoomable(true, false);

    ChartPanel chartPanel2 = null;
    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(chartPanel1);
        out.close();

        ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
        chartPanel2 = (ChartPanel) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }

    setContentPane(chartPanel2);

}

---

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

/**
 * Serialize an instance, restore it, and check for equality.
 *///w w w .ja  v a 2s .  c o m
public void testSerialization() {
    VectorSeries s1 = new VectorSeries("Series");
    s1.add(1.0, 1.1, 1.2, 1.3);
    VectorSeriesCollection c1 = new VectorSeriesCollection();
    c1.addSeries(s1);
    VectorSeriesCollection 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 = (VectorSeriesCollection) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(c1, c2);
}

---

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

/**
 * Serialize an instance, restore it, and check for equality.
 *//*from   ww  w .java 2  s.c  om*/
public void testSerialization() {
    DefaultOHLCDataset d1 = new DefaultOHLCDataset("Series 1", new OHLCDataItem[0]);
    DefaultOHLCDataset d2 = null;

    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(d1);
        out.close();

        ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
        d2 = (DefaultOHLCDataset) in.readObject();
        in.close();
    } catch (Exception e) {
        System.out.println(e.toString());
    }
    assertEquals(d1, d2);
}

---

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

/**
 * Serialize an instance, restore it, and check for equality.
 *//*from  w ww.j  a va  2  s.co m*/
public void testSerialization() {
    DefaultHighLowDataset d1 = new DefaultHighLowDataset("Series 1", new Date[] { new Date(123L) },
            new double[] { 1.2 }, new double[] { 3.4 }, new double[] { 5.6 }, new double[] { 7.8 },
            new double[] { 99.9 });
    DefaultHighLowDataset d2 = null;

    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(d1);
        out.close();

        ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
        d2 = (DefaultHighLowDataset) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(d1, d2);
}

---

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

/**
 * Serialize an instance, restore it, and check for equality.
 *///  w w w  .  j  a va 2  s  .  c o m
public void testSerialization() {
    XIntervalSeriesCollection c1 = new XIntervalSeriesCollection();
    XIntervalSeries s1 = new XIntervalSeries("Series");
    s1.add(1.0, 1.1, 1.2, 1.3);
    XIntervalSeriesCollection 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 = (XIntervalSeriesCollection) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(c1, c2);
}

---

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

/**
 * Serialize an instance, restore it, and check for equality.
 *//* w  w  w . jav  a 2 s  .  co m*/
public void testSerialization() {
    YIntervalSeriesCollection c1 = new YIntervalSeriesCollection();
    YIntervalSeries s1 = new YIntervalSeries("Series");
    s1.add(1.0, 1.1, 1.2, 1.3);
    YIntervalSeriesCollection 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 = (YIntervalSeriesCollection) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(c1, c2);
}

---

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

/**
 * Serialize an instance, restore it, and check for equality.
 *//*from www .j  a v a 2  s  . c om*/
public void testSerialization() {
    XYIntervalSeriesCollection c1 = new XYIntervalSeriesCollection();
    XYIntervalSeries s1 = new XYIntervalSeries("Series");
    s1.add(1.0, 1.1, 1.2, 1.3, 1.4, 1.5);
    XYIntervalSeriesCollection 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 = (XYIntervalSeriesCollection) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(c1, c2);

    // check independence
    c1.addSeries(new XYIntervalSeries("Empty"));
    assertFalse(c1.equals(c2));
    c2.addSeries(new XYIntervalSeries("Empty"));
    assertTrue(c1.equals(c2));
}

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From source file:org.apache.stratos.mock.iaas.persistence.RegistryManager.java

/**
 * Deserialize a byte array and retrieve the object.
 *
 * @param bytes bytes to be deserialized
 * @return the deserialized {@link Object}
 * @throws Exception if the deserialization is failed.
 *///ww  w  .java2 s .c  o  m
private Object deserializeFromByteArray(byte[] bytes) throws Exception {

    ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
    ObjectInput in = null;
    try {
        in = new ObjectInputStream(bis);
        return in.readObject();
    } finally {
        bis.close();
        if (in != null) {
            in.close();
        }
    }
}

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