Example usage for java.io ObjectOutputStream flush

Introduction

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

Prototype

public void flush() throws IOException 

Source Link

Document

Flushes the stream.

Usage

From source file:tvbrowser.extras.reminderplugin.ReminderPlugin.java

/**
 * Save the reminder data./*from   www .jav a 2s  .c  o m*/
 */
public synchronized void store() {
    try {
        String userDirectoryName = Settings.getUserSettingsDirName();
        File userDirectory = new File(userDirectoryName);
        File tmpDatFile = new File(userDirectory, DATAFILE_NAME + ".temp");
        File datFile = new File(userDirectory, DATAFILE_NAME);
        StreamUtilities.objectOutputStream(tmpDatFile, new ObjectOutputStreamProcessor() {
            public void process(ObjectOutputStream out) throws IOException {
                writeData(out);
                out.flush();
                out.close();
            }
        });

        datFile.delete();
        tmpDatFile.renameTo(datFile);
    } catch (IOException e) {
        ErrorHandler.handle("Could not store reminder data.", e);
    }
    try {
        mConfigurationHandler.storeSettings(mSettings);
    } catch (IOException e) {
        ErrorHandler.handle("Could not store reminder settings.", e);
    }
}

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From source file:com.hackensack.umc.activity.ProfileActivity.java

private void saveCardResponse(ArrayList<CardResponse> cardResponse1) {

    try {//  w w w .j a va 2 s .  c o  m

        ObjectOutputStream oos = new ObjectOutputStream(
                new FileOutputStream(new File(Constant.CARD_RESPONSE_FILE_PATH))); //Select where you wish to save the file...

        oos.writeObject(cardResponse1);

        oos.flush();

        oos.close();

    } catch (Exception ex) {

        Log.v("Address Book", ex.getMessage());

        ex.printStackTrace();

    }

}

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From source file:com.ibuildapp.romanblack.NewsPlugin.NewsPlugin.java

/**
 * Async loading and parsing RSS feed./*from w  w  w .  j a  va  2  s . c o m*/
 */
private void loadRSS() {
    try {//ErrorLogging

        new Thread() {
            @Override
            public void run() {
                // parsing
                FeedParser reader = new FeedParser(feedURL);
                items = reader.parseFeed();

                if (items.size() > 0) {
                    File cache = new File(cachePath);
                    File[] files = cache.listFiles();
                    for (File file : files) {
                        if (!file.getName().equals("cache.md5"))
                            file.delete();
                    }

                    try {
                        ObjectOutputStream oos = new ObjectOutputStream(
                                new FileOutputStream(cachePath + "/cache.data"));
                        oos.writeObject(items);
                        oos.flush();
                        oos.close();
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }

                for (int i = 0; i < items.size(); i++) {
                    items.get(i).setTextColor(widget.getTextColor());
                    items.get(i).setDateFormat(widget.getDateFormat());
                }

                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        refreshLayout.setRefreshing(false);
                    }
                });
                selectShowType();
            }
        }.start();

    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

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From source file:org.kepler.objectmanager.cache.CacheManager.java

private void serializeObjectInFile(CacheObjectInterface co, String filename) throws CacheException {
    File outputFile = new File("");
    try {//w w  w . java 2s .  c om
        outputFile = new File(CacheManager.objectPath, filename);
        if (isDebugging)
            log.debug(outputFile.toString());
        FileOutputStream fos = new FileOutputStream(outputFile);
        ObjectOutputStream oos = new ObjectOutputStream(fos);
        oos.writeObject(co); // serialize the CacheObjectInterface itself
        oos.flush();
        oos.close();
    } catch (IOException e) {
        log.error("Serializing object to cache has failed: " + outputFile.toString());
        e.printStackTrace();
        throw new CacheException("Unable to serialize " + co.getName(), e);
    }

}

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From source file:org.apache.jcs.auxiliary.disk.block.BlockDiskKeyStore.java

/**
 * Saves key file to disk. This gets the LRUMap entry set and write the entries out one by one
 * after putting them in a wrapper.//from ww  w.j a  va  2s .c o  m
 */
protected void saveKeys() {
    try {
        ElapsedTimer timer = new ElapsedTimer();
        int numKeys = keyHash.size();
        if (log.isInfoEnabled()) {
            log.info(logCacheName + "Saving keys to [" + this.keyFile.getAbsolutePath() + "], key count ["
                    + numKeys + "]");
        }

        keyFile.delete();

        keyFile = new File(rootDirectory, fileName + ".key");
        FileOutputStream fos = new FileOutputStream(keyFile);
        BufferedOutputStream bos = new BufferedOutputStream(fos, 1024);
        ObjectOutputStream oos = new ObjectOutputStream(bos);
        try {
            // don't need to synchronize, since the underlying collection makes a copy
            Iterator keyIt = keyHash.entrySet().iterator();
            while (keyIt.hasNext()) {
                Map.Entry entry = (Map.Entry) keyIt.next();
                BlockDiskElementDescriptor descriptor = new BlockDiskElementDescriptor();
                descriptor.setKey((Serializable) entry.getKey());
                descriptor.setBlocks((int[]) entry.getValue());
                // stream these out in the loop.
                oos.writeObject(descriptor);
            }
        } finally {
            oos.flush();
            oos.close();
        }

        if (log.isInfoEnabled()) {
            log.info(logCacheName + "Finished saving keys. It took " + timer.getElapsedTimeString()
                    + " to store " + numKeys + " keys.  Key file length [" + keyFile.length() + "]");
        }
    } catch (Exception e) {
        log.error(logCacheName + "Problem storing keys.", e);
    }
}

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From source file:org.apache.openjpa.event.TCPRemoteCommitProvider.java

public void broadcast(RemoteCommitEvent event) {
    try {/*w  w  w  . j  a  v a2  s .c om*/
        // build a packet notifying other JVMs of object changes.
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(baos);

        oos.writeLong(PROTOCOL_VERSION);
        oos.writeLong(_id);
        oos.writeInt(_port);
        oos.writeObject(_localhost);
        oos.writeObject(event);
        oos.flush();

        byte[] bytes = baos.toByteArray();
        baos.close();
        if (_broadcastThreads.isEmpty())
            sendUpdatePacket(bytes);
        else
            _broadcastQueue.addPacket(bytes);
    } catch (IOException ioe) {
        if (log.isWarnEnabled())
            log.warn(s_loc.get("tcp-payload-create-error"), ioe);
    }
}

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From source file:org.hyperic.hq.agent.server.AgentDListProvider.java

public void saveObject(Object obj, String objectName) {
    File file = new File(this.writeDir + System.getProperty("file.separator") + objectName);
    ObjectOutputStream outputStream = null;
    try {/* w  w w. jav a2 s .c  om*/
        outputStream = new ObjectOutputStream(new FileOutputStream(file));
        outputStream.writeObject(obj);
    } catch (Exception ex) {
        log.error("Cannot save object '" + objectName + "'", ex);
    } finally {
        try {
            if (outputStream != null) {
                outputStream.flush();
                outputStream.close();
            }
        } catch (IOException ex) {
            log.error(ex);
        }
    }
}

---

From source file:com.iorga.webappwatcher.EventLogManager.java

private void writeEventLog(final EventLog eventLog)
        throws FileNotFoundException, IOException, InterruptedException {
    if (!eventLog.isCompleted()) {
        log.info("Writing not completed " + eventLog.getClass().getName() + "#" + eventLog.getDate().getTime());
    }/* www .ja v  a 2 s .  c  o m*/
    if (log.isDebugEnabled()) {
        log.debug("Writing " + eventLog.toString());
    }
    synchronized (objectOutputStreamLogLock) {
        final ObjectOutputStream objectOutputStream = getOrOpenLog();
        objectOutputStream.writeObject(eventLog);
        eventsWritten++;
        if (eventsWritten % 1000 == 0) {
            // every 1000 events, reset the outputstream in order to read it without requiring plenty of memory
            objectOutputStream.reset();
        }
        if (eventsWritten % 50 == 0) {
            // every 100 events written, let's flush & check if the file size is more than the max authorized
            objectOutputStream.flush();
            if (getEventLogLength() > maxLogFileSizeMo * 1024 * 1024) {
                closeLog();
            }
        }
    }
}

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From source file:com.limegroup.gnutella.xml.LimeXMLReplyCollection.java

/** Serializes the current map to disk. */
public boolean writeMapToDisk() {
    boolean wrote = false;
    Map<FileAndUrn, String> xmlMap;
    synchronized (LOCK) {
        if (!dirty) {
            LOG.debug("Not writing because not dirty.");
            return true;
        }//from www  .  j  av a 2 s  . c  o  m

        xmlMap = new HashMap<FileAndUrn, String>(mainMap.size());
        for (Map.Entry<FileAndUrn, LimeXMLDocument> entry : mainMap.entrySet())
            xmlMap.put(entry.getKey(), ((GenericXmlDocument) entry.getValue()).getXmlWithVersion());

        dirty = false;
    }

    File dataFile = new File(savedDocsDir, LimeXMLSchema.getDisplayString(schemaURI) + ".sxml3");
    File parent = dataFile.getParentFile();
    if (parent != null)
        parent.mkdirs();

    ObjectOutputStream out = null;
    try {
        out = new ObjectOutputStream(new BufferedOutputStream(new FileOutputStream(dataFile)));
        out.writeObject(xmlMap);
        out.flush();
        wrote = true;
    } catch (IOException ignored) {
        LOG.trace("Unable to write", ignored);
    } finally {
        IOUtils.close(out);
    }

    return wrote;
}

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From source file:org.apache.james.queue.file.FileMailQueue.java

@Override
public void enQueue(Mail mail, long delay, TimeUnit unit) throws MailQueueException {
    final String key = mail.getName() + "-" + COUNTER.incrementAndGet();
    FileOutputStream out = null;//  w w w.  j  a v  a  2s.com
    FileOutputStream foout = null;
    ObjectOutputStream oout = null;
    try {
        int i = (int) (Math.random() * SPLITCOUNT + 1);

        String name = queueDirName + "/" + i + "/" + key;

        final FileItem item = new FileItem(name + OBJECT_EXTENSION, name + MSG_EXTENSION);
        if (delay > 0) {
            mail.setAttribute(NEXT_DELIVERY, System.currentTimeMillis() + unit.toMillis(delay));
        }
        foout = new FileOutputStream(item.getObjectFile());
        oout = new ObjectOutputStream(foout);
        oout.writeObject(mail);
        oout.flush();
        if (sync)
            foout.getFD().sync();
        out = new FileOutputStream(item.getMessageFile());

        mail.getMessage().writeTo(out);
        out.flush();
        if (sync)
            out.getFD().sync();

        keyMappings.put(key, item);

        if (delay > 0) {
            // The message should get delayed so schedule it for later
            scheduler.schedule(new Runnable() {

                @Override
                public void run() {
                    try {
                        inmemoryQueue.put(key);

                    } catch (InterruptedException e) {
                        Thread.currentThread().interrupt();
                        throw new RuntimeException("Unable to init", e);
                    }
                }
            }, delay, unit);

        } else {
            inmemoryQueue.put(key);
        }

        //TODO: Think about exception handling in detail
    } catch (FileNotFoundException e) {
        throw new MailQueueException("Unable to enqueue mail", e);
    } catch (IOException e) {
        throw new MailQueueException("Unable to enqueue mail", e);

    } catch (MessagingException e) {
        throw new MailQueueException("Unable to enqueue mail", e);
    } catch (InterruptedException e) {
        throw new MailQueueException("Unable to enqueue mail", e);

    } finally {
        if (out != null) {
            try {
                out.close();
            } catch (IOException e) {
                // ignore on close
            }
        }
        if (oout != null) {
            try {
                oout.close();
            } catch (IOException e) {
                // ignore on close
            }
        }
        if (foout != null) {
            try {
                foout.close();
            } catch (IOException e) {
                // ignore on close
            }
        }
    }

}

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