Example usage for java.io ObjectOutputStream writeUTF

Introduction

In this page you can find the example usage for java.io ObjectOutputStream writeUTF.

Prototype

public void writeUTF(String str) throws IOException 

Source Link

Document

Primitive data write of this String in modified UTF-8 format.

Usage

From source file:com.mgmtp.jfunk.common.util.Configuration.java

/**
 * @serialData The name of the zip file.
 *///w w  w  .  ja  v  a 2  s. c  om
private void writeObject(final ObjectOutputStream oos) throws IOException {
    oos.defaultWriteObject();
    oos.writeUTF(zipArchive.getName());
}

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From source file:com.flowpowered.api.geo.discrete.Point.java

private void writeObject(java.io.ObjectOutputStream out) throws IOException {
    out.defaultWriteObject();/*from   ww  w  . j  a  v  a 2s .c om*/
    out.writeUTF(world != null ? world.getName() : "null");
}

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From source file:com.qwazr.utils.server.InFileSessionPersistenceManager.java

private void writeSessionAttribute(ObjectOutputStream out, String attribute, Object object) {
    if (attribute == null || object == null)
        return;//  w  ww . j  a v a  2 s.  c  om
    if (!(object instanceof Serializable))
        return;
    try {
        out.writeUTF(attribute); // Attribute name stored as string
    } catch (IOException e) {
        if (logger.isErrorEnabled())
            logger.error("Cannot write session attribute " + attribute + ": persistence aborted.");
        return; // The attribute cannot be written, we abort
    }
    try {
        out.writeObject(object);
        return; // The object was written, job done, we can exit
    } catch (IOException e) {
        if (logger.isWarnEnabled())
            logger.warn("Cannot write session object " + object);
        try {
            out.writeObject(SerializationUtils.NullEmptyObject.INSTANCE);
        } catch (IOException e1) {
            if (logger.isErrorEnabled())
                logger.error("Cannot write NULL session object for attribute " + attribute
                        + ": persistence aborted.");
        }
    }

}

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From source file:com.hipu.bdb.util.UURI.java

private void writeObject(ObjectOutputStream stream) throws IOException {
    stream.writeUTF(toCustomString());
}

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From source file:com.izforge.izpack.compiler.packager.impl.MultiVolumePackager.java

/**
 * Writes packs to one or more <em>.pak</em> volumes.
 * <p/>/*from  w w w .ja  v  a2 s  .  c o m*/
 * Pack meta-data is written to the installer jar.
 *
 * @throws IOException for any I/O error
 */
@Override
protected void writePacks() throws IOException {
    String classname = getClass().getSimpleName();

    // propagate the configuration to the variables, for debugging purposes
    getVariables().setProperty(classname + "." + FIRST_VOLUME_FREE_SPACE, Long.toString(maxFirstVolumeSize));
    getVariables().setProperty(classname + "." + VOLUME_SIZE, Long.toString(maxVolumeSize));

    List<PackInfo> packs = getPacksList();
    final int count = packs.size();
    sendMsg("Writing " + count + " Pack" + (count > 1 ? "s" : "") + " into installer");
    logger.fine("Writing " + count + " Pack" + (count > 1 ? "s" : "") + " into installer");
    logger.fine("First volume size: " + maxFirstVolumeSize);
    logger.fine("Subsequent volume size: " + maxVolumeSize);

    File volume = new File(getInfo().getInstallerBase() + ".pak").getAbsoluteFile();
    int volumes = writePacks(packs, volume);

    // write metadata for reading in volumes
    logger.fine("Written " + volumes + " volumes");

    JarOutputStream installerJar = getInstallerJar();
    installerJar.putNextEntry(new ZipEntry(RESOURCES_PATH + "volumes.info"));
    ObjectOutputStream out = new ObjectOutputStream(installerJar);
    out.writeInt(volumes);
    out.writeUTF(volume.getName());
    out.flush();
    installerJar.closeEntry();

    // Now that we know sizes, write pack metadata to primary jar.
    installerJar.putNextEntry(new ZipEntry(RESOURCES_PATH + "packs.info"));
    out = new ObjectOutputStream(installerJar);
    out.writeInt(count);

    for (PackInfo pack : packs) {
        out.writeObject(pack.getPack());
    }
    out.flush();
    installerJar.closeEntry();
}

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From source file:com.inmobi.grill.driver.hive.TestRemoteHiveDriver.java

private byte[] persistContext(QueryContext ctx) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream out = new ObjectOutputStream(baos);
    try {//from   w w w.  j a v a 2s  .  c  o m
        out.writeObject(ctx);
        boolean isDriverAvailable = (ctx.getSelectedDriver() != null);
        out.writeBoolean(isDriverAvailable);
        if (isDriverAvailable) {
            out.writeUTF(ctx.getSelectedDriver().getClass().getName());
        }
    } finally {
        out.flush();
        out.close();
        baos.close();
    }

    return baos.toByteArray();
}

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From source file:com.qwazr.server.InFileSessionPersistenceManager.java

private void writeSessionAttribute(final ObjectOutputStream draftOut, final ObjectOutputStream sessionOut,
        final String attribute, final Object object) {
    if (attribute == null || object == null || !(object instanceof Serializable))
        return;/* w  w w  .  j a va 2 s.c  o m*/
    // First we try to write it to the draftOutputStream
    try {
        draftOut.writeObject(object);
    } catch (IOException e) {
        LOGGER.warning(() -> "Cannot write attribute session object (draft test) " + attribute + " - "
                + object.getClass() + " - " + e.getMessage());
        return;
    }
    try {
        sessionOut.writeUTF(attribute); // Attribute name stored as string
        sessionOut.writeObject(object);
    } catch (IOException e) {
        // The attribute cannot be written, we abort
        throw new CancellationException("Cannot write session attribute " + attribute
                + ": persistence aborted - " + object.getClass() + " - " + e.getMessage());
    }
}

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From source file:com.cyberway.issue.crawler.datamodel.CandidateURI.java

/**
 * Custom serialization writing 'uuri' and 'via' as Strings, rather
 * than the bloated full serialization of their object classes, and 
 * an empty alist as 'null'. Shrinks serialized form by 50% or more
 * in short tests. /*  w  w w . j ava2s .  c o  m*/
 * 
 * @param stream
 * @throws IOException
 */
private void writeObject(ObjectOutputStream stream) throws IOException {
    stream.defaultWriteObject();
    stream.writeUTF(uuri.toString());
    stream.writeObject((via == null) ? null : via.getURI());
    stream.writeObject((alist == null) ? null : alist);
}

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From source file:bin.spider.frame.uri.CandidateURI.java

/**
 * Custom serialization writing 'uuri' and 'via' as Strings, rather
 * than the bloated full serialization of their object classes, and 
 * an empty alist as 'null'. Shrinks serialized form by 50% or more
 * in short tests. /*from   w ww  . j a va 2s.c o m*/
 * 
 * @param stream
 * @throws IOException
 * @throws URIException 
 */
private void writeObject(ObjectOutputStream stream) throws IOException, URIException {
    stream.defaultWriteObject();
    stream.writeUTF(uuri.toString());
    stream.writeObject((via == null) ? null : via.getURI());
    stream.writeObject((alist == null) ? null : alist);
}

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From source file:idontwant2see.IDontWant2See.java

public void writeData(final ObjectOutputStream out) throws IOException {
    // sort the list so that often used entries are in the front (for faster lookup)
    Collections.sort(mSettings.getSearchList(), new Comparator<IDontWant2SeeListEntry>() {

        public int compare(IDontWant2SeeListEntry o1, IDontWant2SeeListEntry o2) {
            return o2.getLastMatchedDate().compareTo(o1.getLastMatchedDate());
        }/*  w w w .j av a  2  s  .  c  o  m*/
    });

    out.writeInt(7); //version
    out.writeInt(mSettings.getSearchList().size());

    for (IDontWant2SeeListEntry entry : mSettings.getSearchList()) {
        entry.writeData(out);
    }

    out.writeBoolean(mSettings.isSimpleMenu());
    out.writeBoolean(mSettings.isSwitchToMyFilter());

    out.writeUTF(mSettings.getLastEnteredExclusionString());

    mSettings.getLastUsedDate().writeData((DataOutput) out);

    out.writeByte(mSettings.getProgramImportance());
}

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