Example usage for java.io ObjectOutputStream close

List of usage examples for java.io ObjectOutputStream close

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Introduction

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

Prototype

public void close() throws IOException

Source Link

Document

Closes the stream.

Usage

From source file:com.datatorrent.stram.FSRecoveryHandler.java

@Override
public void save(Object state) throws IOException {

    if (fs.exists(snapshotBackupPath)) {
        throw new IllegalStateException("Found previous backup " + snapshotBackupPath);
    }/*from  ww  w .  j  av  a 2  s  . co m*/

    if (fs.exists(snapshotPath)) {
        LOG.debug("Backup {} to {}", snapshotPath, snapshotBackupPath);
        fs.rename(snapshotPath, snapshotBackupPath);
    }

    LOG.debug("Writing checkpoint to {}", snapshotPath);
    final FSDataOutputStream fsOutputStream = fs.create(snapshotPath);
    try {
        ObjectOutputStream oos = new ObjectOutputStream(fsOutputStream);
        try {
            oos.writeObject(state);
        } finally {
            oos.close();
        }
    } finally {
        fsOutputStream.close();
    }
    // remove snapshot backup
    if (fs.exists(snapshotBackupPath) && !fs.delete(snapshotBackupPath, false)) {
        throw new IOException("Failed to remove " + snapshotBackupPath);
    }

    // remove log backup
    Path logBackup = new Path(basedir + Path.SEPARATOR + FILE_LOG_BACKUP);
    if (fs.exists(logBackup) && !fs.delete(logBackup, false)) {
        throw new IOException("Failed to remove " + logBackup);
    }

}

From source file:net.nicholaswilliams.java.licensing.TestObjectSerializer.java

@Test
public void testReadObject2() throws Exception {
    MockTestObject1 object = new MockTestObject1();

    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
    ObjectOutputStream stream = new ObjectOutputStream(bytes);

    stream.writeObject(object);//from w w w  . j a va  2  s.  com
    stream.close();

    byte[] data = bytes.toByteArray();

    MockTestObject1 returned = this.serializer.readObject(MockTestObject1.class, data);

    assertNotNull("The returned object should not be null.", returned);
    assertFalse("The returned object should not be the same.", returned == object);
    assertEquals("The returned object should be equal.", object, returned);
}

From source file:net.nicholaswilliams.java.licensing.TestObjectSerializer.java

@Test
public void testReadObject5() throws Exception {
    MockTestObject2 object = new MockTestObject2();

    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
    ObjectOutputStream stream = new ObjectOutputStream(bytes);

    stream.writeObject(object);//from   ww  w. ja va  2 s.  c o m
    stream.close();

    byte[] data = bytes.toByteArray();

    MockTestObject2 returned = this.serializer.readObject(MockTestObject2.class, data);

    assertNotNull("The returned object should not be null.", returned);
    assertFalse("The returned object should not be the same.", returned == object);
    assertEquals("The returned object should be equal.", object, returned);
}

From source file:net.nicholaswilliams.java.licensing.TestObjectSerializer.java

@Test
public void testReadObject3() throws Exception {
    MockTestObject1 object = new MockTestObject1();
    object.coolTest = true;//from  ww  w  . java2s . com
    Arrays.fill(object.myArray, (byte) 12);

    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
    ObjectOutputStream stream = new ObjectOutputStream(bytes);

    stream.writeObject(object);
    stream.close();

    byte[] data = bytes.toByteArray();

    MockTestObject1 returned = this.serializer.readObject(MockTestObject1.class, data);

    assertNotNull("The returned object should not be null.", returned);
    assertFalse("The returned object should not be the same.", returned == object);
    assertEquals("The returned object should be equal.", object, returned);
}

From source file:net.nicholaswilliams.java.licensing.TestObjectSerializer.java

@Test
public void testReadObject6() throws Exception {
    MockTestObject2 object = new MockTestObject2();
    object.aString = "another test string";
    Arrays.fill(object.password, 'b');

    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
    ObjectOutputStream stream = new ObjectOutputStream(bytes);

    stream.writeObject(object);/*from w  ww.  java2s. c  o  m*/
    stream.close();

    byte[] data = bytes.toByteArray();

    MockTestObject2 returned = this.serializer.readObject(MockTestObject2.class, data);

    assertNotNull("The returned object should not be null.", returned);
    assertFalse("The returned object should not be the same.", returned == object);
    assertEquals("The returned object should be equal.", object, returned);
}

From source file:eu.annocultor.reports.parts.ReportCounter.java

@Override
public void flush() throws IOException {
    XStream xStream = new XStream();
    OutputStream fos = new FileOutputStream(getFile(), true);
    ObjectOutputStream out = xStream.createObjectOutputStream(fos);
    try {//from  www .ja v  a 2s . c  o m
        for (ObjectCountPair<T> pair : asSorted()) {
            //             xStream.toXML(pair, out);
            out.writeObject(pair);
        }
        empty();
    } finally {
        out.close();
        fos.close();
    }
}

From source file:de.elatePortal.autotool.SubTasklet_AutotoolImpl.java

private byte[] serialize(Object obj) {
    try {/*from  w  w  w. jav a 2s .  c o  m*/
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(bos);
        oos.writeObject(obj);
        oos.close();
        byte[] arr = bos.toByteArray();
        bos.close();
        return arr;
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:org.n52.geoar.newdata.PluginLoader.java

/**
 * Saves the state of plugins to {@link SharedPreferences}.
 *///from   w ww .  j  ava 2 s. c  om
public static void saveState() {
    try {
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        ObjectOutputStream objectOutputStream = new ObjectOutputStream(outputStream);

        // store plugin state version
        objectOutputStream.writeInt(PLUGIN_STATE_VERSION);

        List<InstalledPluginHolder> checkedPlugins = mInstalledPlugins.getCheckedItems();
        objectOutputStream.writeInt(checkedPlugins.size());

        for (InstalledPluginHolder plugin : checkedPlugins) {
            objectOutputStream.writeUTF(plugin.getIdentifier());
            plugin.saveState(objectOutputStream);
        }

        SharedPreferences preferences = GeoARApplication.applicationContext
                .getSharedPreferences(GeoARApplication.PREFERENCES_FILE, Context.MODE_PRIVATE);
        Editor editor = preferences.edit();
        objectOutputStream.flush();
        editor.putString(PLUGIN_STATE_PREF, Base64.encodeToString(outputStream.toByteArray(), Base64.DEFAULT));
        editor.commit();
        objectOutputStream.close();
    } catch (IOException e) {
        e.printStackTrace();
        // TODO
    }
}

From source file:fi.aalto.seqpig.filter.CoordinateFilter.java

public CoordinateFilter(String samfileheaderfilename, String regions_str) {
    String str = "";
    this.samfileheader = "";

    this.regions_str = regions_str;

    try {//from   w  ww  . j a  v a2s.c o  m
        Configuration conf = UDFContext.getUDFContext().getJobConf();

        if (conf == null) {
            decodeSAMFileHeader();
            return;
        }

        FileSystem fs;

        try {
            if (FileSystem.getDefaultUri(conf) == null || FileSystem.getDefaultUri(conf).toString() == "")
                fs = FileSystem.get(new URI("hdfs://"), conf);
            else
                fs = FileSystem.get(conf);
        } catch (Exception e) {
            fs = FileSystem.get(new URI("hdfs://"), conf);
            System.out.println("WARNING: problems with filesystem config?");
            System.out.println("exception was: " + e.toString());
        }

        BufferedReader in = new BufferedReader(new InputStreamReader(
                fs.open(new Path(fs.getHomeDirectory(), new Path(samfileheaderfilename)))));

        while (true) {
            str = in.readLine();

            if (str == null)
                break;
            else
                this.samfileheader += str + "\n";
        }

        in.close();
    } catch (Exception e) {
        System.out.println("ERROR: could not read BAM header from file " + samfileheaderfilename);
        System.out.println("exception was: " + e.toString());
    }

    try {
        Base64 codec = new Base64();
        Properties p = UDFContext.getUDFContext().getUDFProperties(this.getClass());

        ByteArrayOutputStream bstream = new ByteArrayOutputStream();
        ObjectOutputStream ostream = new ObjectOutputStream(bstream);
        ostream.writeObject(this.samfileheader);
        ostream.close();
        String datastr = codec.encodeBase64String(bstream.toByteArray());
        p.setProperty("samfileheader", datastr);
        p.setProperty("regionsstr", regions_str);
    } catch (Exception e) {
        System.out.println("ERROR: Unable to store SAMFileHeader in CoordinateFilter!");
    }

    this.samfileheader_decoded = getSAMFileHeader();
    populateRegions();
}

From source file:com.fuzhepan.arpc.client.ProxyHandler.java

public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
    log.debug("invoke was called!");

    if (method.getName().equals("toString")) {
        return "toString method was called";
    }//  w w  w .  j a  v a2s .  c o m

    RpcContext rpcContext = new RpcContext(interfaceName, method.getName(), method.getParameterTypes(), args);

    //get service info and load balance
    List<HostPortPair> serviceList = RpcConfig.getServiceList(serviceName);
    if (serviceList == null || serviceList.size() == 0)
        throw new ClassNotFoundException("not find service : " + serviceName);
    int index = requestCount.get() % serviceList.size();
    if (requestCount.get() > 100)
        requestCount.set(0);
    else
        requestCount.getAndIncrement();
    HostPortPair hostPort = serviceList.get(index);

    Socket socket = new Socket(hostPort.host, hostPort.port);
    ObjectOutputStream objectOutputStream = new ObjectOutputStream(socket.getOutputStream());
    objectOutputStream.writeObject(rpcContext);
    objectOutputStream.flush();

    ObjectInputStream objectInputStream = new ObjectInputStream(socket.getInputStream());
    Object response = objectInputStream.readObject();

    objectInputStream.close();
    objectOutputStream.close();
    socket.close();

    Class methodReturnType = method.getReturnType();
    return methodReturnType.cast(response);
}