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:com.microsoft.applicationinsights.internal.channel.common.TransmissionFileSystemOutput.java

private boolean saveTransmission(File transmissionFile, Transmission transmission) {
    try {/*from  w ww.j  av a  2  s . co m*/
        OutputStream fileOutput = new FileOutputStream(transmissionFile);
        OutputStream buffer = new BufferedOutputStream(fileOutput);
        ObjectOutput output = new ObjectOutputStream(buffer);
        try {
            output.writeObject(transmission);
        } catch (IOException e) {
            InternalLogger.INSTANCE.error("Failed to save transmission, exception: %s", e.getMessage());
        } finally {
            try {
                output.close();
            } catch (Exception e) {
                return false;
            }
        }
        return true;
    } catch (IOException e) {
        InternalLogger.INSTANCE.error("Failed to save transmission, exception: %s", e.getMessage());
    }

    return false;
}

From source file:org.jfree.data.category.junit.DefaultCategoryDatasetTest.java

/**
 * Serialize an instance, restore it, and check for equality.
 *//*from  ww w. ja  v  a2 s.  c o  m*/
public void testSerialization() {

    DefaultCategoryDataset d1 = new DefaultCategoryDataset();
    d1.setValue(23.4, "R1", "C1");
    DefaultCategoryDataset 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 = (DefaultCategoryDataset) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(d1, d2);

}

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

/**
 * Serialize an instance, restore it, and check for equality.
 *//*from  w  w w. j  a  v a2 s.  c o m*/
public void testSerialization() {

    DefaultIntervalXYDataset d1 = new DefaultIntervalXYDataset();
    DefaultIntervalXYDataset 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 = (DefaultIntervalXYDataset) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(d1, d2);

    // try a dataset with some content...
    d1 = createSampleDataset1();
    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(d1);
        out.close();

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

}

From source file:com.delphix.session.util.AbstractExternalCodec.java

/**
 * Encode the service exception into the output stream.
 *//*from ww w  . j  ava 2 s.  co  m*/
@Override
public void encode(OutputStream out, ServiceException exception) throws IOException {
    @SuppressWarnings("resource")
    ObjectOutput oout = new ExternalObjectOutput(out);

    /*
     * If the ServiceException is not serializable then we need to convert it to a new service exception
     * that we can encode.
     */
    if (isThrowableSerializable(exception)) {
        oout.writeObject(exception);
    } else {
        oout.writeObject(new ServiceException(ExceptionUtils.getStackTrace(exception)));
    }
}

From source file:com.github.naoghuman.abclist.model.Link.java

@Override
public void writeExternal(ObjectOutput out) throws IOException {
    out.writeLong(this.getId());
    out.writeLong(this.getGenerationTime());
    out.writeObject(this.getAlias()); // TODO (de-/encrypt for db)
    out.writeObject(this.getDescription()); // TODO (de-/encrypt for db)
    out.writeObject(this.getUrl()); // TODO (de-/encrypt for db)
    out.writeObject(this.getImage());
    out.writeBoolean(this.getFavorite());
}

From source file:com.github.naoghuman.abclist.model.Topic.java

@Override
public void writeExternal(ObjectOutput out) throws IOException {
    out.writeLong(this.getId());
    out.writeLong(this.getParentId());
    out.writeLong(this.getGenerationTime());
    out.writeObject(this.getDescription());
    out.writeObject(this.getTitle());
}

From source file:org.jfree.data.time.junit.DayTest.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() {
    Day d1 = new Day(15, 4, 2000);
    Day 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 = (Day) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(d1, d2);
}

From source file:com.facebook.presto.bloomfilter.BloomFilter.java

public Slice serialize() {
    byte[] bytes = new byte[0];
    byte[] bytesPre = new byte[0];
    try {/* w w  w.  ja v  a  2  s  .c  o m*/
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput output = new ObjectOutputStream(buffer);
        output.writeObject(instance);
        bytes = buffer.toByteArray();

        ByteArrayOutputStream bufferPre = new ByteArrayOutputStream();
        ObjectOutput outputPre = new ObjectOutputStream(bufferPre);
        outputPre.writeObject(instancePreFilter);
        bytesPre = bufferPre.toByteArray();
    } catch (Exception ix) {
        log.error(ix);
    }

    // Create hash
    byte[] bfHash = Hashing.sha256().hashBytes(bytes).asBytes();

    // Compress
    byte[] compressed;
    try {
        compressed = compress(bytes);
    } catch (IOException ix) {
        log.error(ix);
        compressed = new byte[0];
    }
    int size = compressed.length;

    // Compress
    byte[] compressedPre;
    try {
        compressedPre = compress(bytesPre);
    } catch (IOException ix) {
        log.error(ix);
        compressedPre = new byte[0];
    }
    int sizePre = compressedPre.length;

    // To slice
    DynamicSliceOutput output = new DynamicSliceOutput(size);

    // Write hash
    output.writeBytes(bfHash); // 32 bytes

    // Write the length of the bloom filter
    output.appendInt(size);

    // Write the length of the pre bloom filter
    output.appendInt(sizePre);

    // Params
    output.appendInt(expectedInsertions);
    output.appendDouble(falsePositivePercentage);

    // Write the bloom filter
    output.appendBytes(compressed);

    // Write the bloom filter
    output.appendBytes(compressedPre);

    return output.slice();
}

From source file:org.drools.core.io.impl.UrlResource.java

public void writeExternal(ObjectOutput out) throws IOException {
    super.writeExternal(out);
    out.writeObject(this.url);
    out.writeObject(this.encoding);
}

From source file:org.apache.openjpa.datacache.QueryKey.java

public void writeExternal(ObjectOutput out) throws IOException {
    out.writeObject(_candidateClassName);
    out.writeBoolean(_subclasses);//from  w  w w  . j a v  a2  s  .  c  o m
    out.writeObject(_accessPathClassNames);
    out.writeObject(_query);
    out.writeBoolean(_ignoreChanges);
    out.writeObject(_params);
    out.writeLong(_rangeStart);
    out.writeLong(_rangeEnd);
    out.writeInt(_timeout);
}