Example usage for java.io ObjectOutput writeObject

Introduction

In this page you can find the example usage for java.io ObjectOutput writeObject.

Prototype

public void writeObject(Object obj) throws IOException;

Source Link

Document

Write an object to the underlying storage or stream.

Usage

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

/**
 * Constructs a new demonstration application.
 *
 * @param title  the frame title./*  www. j  ava 2s .  c  o  m*/
 */
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);

}

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

/**
 * Serialize an instance, restore it, and check for equality.
 */// www .  j  a  v a 2 s. c  o  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);
}

From source file:com.mobicage.rogerthat.mfr.dal.Streamable.java

public String toBase64() {
    try {//  w ww  . ja v  a 2 s. co m
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        try {
            ZipOutputStream zip = new ZipOutputStream(bos);
            try {
                zip.setLevel(9);
                zip.putNextEntry(new ZipEntry("entry"));
                try {
                    ObjectOutput out = new ObjectOutputStream(zip);
                    try {
                        out.writeObject(this);
                    } finally {
                        out.flush();
                    }
                } finally {
                    zip.closeEntry();
                }
                zip.flush();
                return Base64.encodeBase64URLSafeString(bos.toByteArray());
            } finally {
                zip.close();
            }
        } finally {
            bos.close();
        }
    } catch (IOException e) {
        log.log((Level.SEVERE), "IO Error while serializing member", e);
        return null;
    }
}

From source file:com.weibo.api.motan.codec.AbstractCodec.java

protected void serialize(ObjectOutput output, Object message, Serialization serialize) throws IOException {
    if (message == null) {
        output.writeObject(null);
        return;/*from  w  ww. j  ava2s .c o m*/
    }

    output.writeObject(serialize.serialize(message));
}

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

/**
 * Serialize an instance, restore it, and check for equality.
 *//*from w  w w .  j av  a  2s . c  om*/
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);
}

From source file:com.splicemachine.derby.stream.spark.SparkExportDataSetWriter.java

public void writeExternal(ObjectOutput out) throws IOException {
    out.writeUTF(directory);/*ww  w.jav a 2 s. com*/
    out.writeObject(exportFunction);
    out.writeObject(rdd);
}

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

/**
 * Serialize an instance, restore it, and check for equality.
 *//*from   w w w.j a v  a  2s  .c o m*/
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);
}

From source file:com.hp.saas.agm.rest.client.SessionContext.java

public void save(File targetFile) {
    ObjectOutput out = null;
    try {//from   ww  w .  j a v a2  s  . co  m
        out = new ObjectOutputStream(new FileOutputStream(targetFile));
        out.writeObject(this);
    } catch (FileNotFoundException e) {
        throw new RuntimeException(e);
    } catch (IOException e) {
        throw new RuntimeException(e);
    } finally {
        if (out != null) {
            try {
                out.close();
            } catch (IOException e) {
                logger.log(Level.SEVERE, "IOException thrown while closing stream.", e);
            }
        }
    }

}

From source file:wvec.WordVec.java

public byte[] getBytes() throws IOException {
    byte[] byteArray;
    try (ByteArrayOutputStream bos = new ByteArrayOutputStream()) {
        ObjectOutput out;
        out = new ObjectOutputStream(bos);
        out.writeObject(this);
        byteArray = bos.toByteArray();/*w w w  .  j a  va 2s . c  o  m*/
        out.close();
    }
    return byteArray;
}

From source file:com.splicemachine.derby.stream.spark.SparkScanSetBuilder.java

@Override
public void writeExternal(ObjectOutput out) throws IOException {
    super.writeExternal(out);
    out.writeUTF(tableName);//  w ww .ja  v a 2  s. c  o  m
    out.writeObject(dsp);
}