Example usage for java.io ObjectInput readObject

Introduction

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

Prototype

public Object readObject() throws ClassNotFoundException, IOException;

Source Link

Document

Read and return an object.

Usage

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.//from ww w  .  j av  a  2 s  .  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.
 *///  ww w .  ja  va  2  s. c om
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.
 *//*w w w. jav  a2 s . com*/
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 w  w .ja  v  a2 s  .c  o 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:xbird.xquery.expr.func.FunctionCall.java

public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    this._type = (Type) in.readObject();
    this._funcName = QualifiedName.readFrom(in);
    final int numParams = in.readInt();
    final ArrayList<XQExpression> params = new ArrayList<XQExpression>(numParams);
    for (int i = 0; i < numParams; i++) {
        XQExpression e = (XQExpression) in.readObject();
        params.add(e);/*from   ww w. j  a v  a2s  .  c  o  m*/
    }
    this._params = params;
}

From source file:com.conwet.silbops.model.SubscriptionTest.java

@Test
public void shouldExternalize() throws Exception {

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutput output = new ObjectOutputStream(baos);

    output.writeObject(subscription);/*ww  w  .j  a  va 2 s  .co m*/
    output.close();

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

    assertThat((Subscription) input.readObject()).isEqualTo(subscription);
}

From source file:xbird.xquery.expr.opt.ShippedVariable.java

@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    this._local = false;
    this._type = (Type) in.readObject();
    this._varName = (QualifiedName) in.readObject();
    this._identifier = in.readInt();

    final boolean hasResult = in.readBoolean();
    if (hasResult) {
        final boolean isRemoteSeq = in.readBoolean();
        if (isRemoteSeq) {
            this._result = RemoteSequence.readFrom(in);
        } else {/*from w w w .  j av a2  s  .c o  m*/
            final StopWatch sw = new StopWatch("Elapsed time for decoding `$" + getName() + '\'');
            final XQEventDecoder decoder = new XQEventDecoder(in);
            try {
                this._result = decoder.decode();
            } catch (XQueryException xqe) {
                throw new IllegalStateException("failed decoding `$" + getName() + '\'', xqe);
            } catch (Throwable e) {
                throw new IllegalStateException("failed decoding `$" + getName() + '\'', e);
            }
            if (LOG.isInfoEnabled()) {
                LOG.info(sw);
            }
        }
    } else {
        this._value = (XQExpression) in.readObject();
    }
}

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

/**
 * Serialize an instance, restore it, and check for equality.
 *///from  ww  w.  j  a v  a2 s.c om
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.
 *///from www.j  a  va  2s.c  om
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:com.splicemachine.derby.impl.sql.execute.operations.GroupedAggregateOperation.java

@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    super.readExternal(in);
    isRollup = in.readBoolean();/*from  w ww .jav a2s  . c o  m*/
    groupedAggregateContext = (GroupedAggregateContext) in.readObject();
}