Example usage for java.io ObjectInputStream close

Introduction

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

Prototype

public void close() throws IOException 

Source Link

Document

Closes the input stream.

Usage

From source file:com.sumzerotrading.broker.ib.InteractiveBrokersBroker.java

protected void loadOrderMaps() throws Exception {
    tradeFileSemaphore.acquire();//  w ww.jav a2 s . c  om
    try {
        createDir();
        File file = new File(getDirName() + "orders.ser");
        if (file.exists()) {

            ObjectInputStream input = new ObjectInputStream(new FileInputStream(file));
            completedOrderMap = (HashMap) input.readObject();
            orderMap = (HashMap) input.readObject();
            input.close();
        }
    } finally {
        tradeFileSemaphore.release();
    }
}

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From source file:net.geant.edugain.filter.EduGAINFilter.java

private void loadDatabase() {
    this.requestDBName = (String) this.config.getProperty("net.geant.edugain.filter.requestDB");

    File f = null;//w  w w .j  a  va  2s  . c  om
    FileInputStream requestFile;
    try {
        f = new File(this.requestDBName);
        requestFile = new FileInputStream(f);
        ObjectInputStream requestInputStream = new ObjectInputStream(requestFile);

        this.requests = (HashMap<String, HashMap<String, String>>) requestInputStream.readObject();//savedRequest;

        requestInputStream.close();
        requestFile.close();
    } catch (FileNotFoundException e) {
        this.log.error("File " + requestDBName + " not found.");
    } catch (IOException e) {
        this.log.error("Exception while reading file " + requestDBName);
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    } finally {
        try {
            f.createNewFile();
            this.requests = new HashMap<String, HashMap<String, String>>();
        } catch (IOException e) {
            this.log.error(
                    "Fatal error while loading request file. Please fix this and restart the application");
        }
    }
}

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From source file:com.inmobi.grill.server.GrillServices.java

private void setupPersistedState() throws IOException, ClassNotFoundException {
    if (conf.getBoolean(GrillConfConstants.GRILL_SERVER_RECOVER_ON_RESTART,
            GrillConfConstants.DEFAULT_GRILL_SERVER_RECOVER_ON_RESTART)) {
        FileSystem fs = persistDir.getFileSystem(conf);

        for (GrillService service : grillServices) {
            ObjectInputStream in = null;
            try {
                try {
                    in = new ObjectInputStream(fs.open(getServicePersistPath(service)));
                } catch (FileNotFoundException fe) {
                    LOG.warn("No persist path available for service:" + service.getName());
                    continue;
                }/* w ww  .  jav  a  2s .c om*/
                service.readExternal(in);
                LOG.info("Recovered service " + service.getName() + " from persisted state");
            } finally {
                if (in != null) {
                    in.close();
                }
            }
        }
    }
}

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From source file:com.octo.captcha.engine.bufferedengine.buffer.DiskCaptchaBuffer.java

/**
 * Gets an entry from the Disk Store.//from w w  w .ja  v  a 2 s . c  o m
 *
 * @return The element
 */
protected synchronized Collection remove(int number, Locale locale) throws IOException {
    if (!isInitalized)
        return new ArrayList(0);
    DiskElement diskElement = null;
    int index = 0;
    boolean diskEmpty = false;

    Collection collection = new UnboundedFifoBuffer();

    //if no locale
    if (!diskElements.containsKey(locale)) {
        return collection;
    }

    try {
        while (!diskEmpty && index < number) {

            // Check if the element is on disk
            try {
                diskElement = (DiskElement) ((LinkedList) diskElements.get(locale)).removeFirst();

                // Load the element
                randomAccessFile.seek(diskElement.position);
                byte[] buffer = new byte[diskElement.payloadSize];
                randomAccessFile.readFully(buffer);
                ByteArrayInputStream instr = new ByteArrayInputStream(buffer);
                ObjectInputStream objstr = new ObjectInputStream(instr);

                collection.add(objstr.readObject());
                instr.close();
                objstr.close();

                freeBlock(diskElement);
                index++;
            } catch (NoSuchElementException e) {
                diskEmpty = true;
                log.debug("disk is empty for locale : " + locale.toString());
            }
        }
    } catch (Exception e) {
        log.error("Error while reading on disk ", e);
    }
    if (log.isDebugEnabled()) {
        log.debug("removed  " + collection.size() + " from disk buffer with locale " + locale.toString());
    }
    return collection;
}

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From source file:com.ibm.jaggr.core.impl.cache.CacheManagerImpl.java

/**
 * Starts up the cache. Attempts to de-serialize a previously serialized
 * cache from disk and starts the periodic serializer task.
 *
 * @param aggregator//from w  w w  .j a v a2s.co  m
 *            the aggregator instance this cache manager belongs to
 * @param stamp
 *            a time stamp used to determine if the cache should be cleared.
 *            The cache should be cleared if the time stamp is later than
 *            the one associated with the cached resources.
 * @throws IOException
 */
public CacheManagerImpl(IAggregator aggregator, long stamp) throws IOException {

    _directory = new File(aggregator.getWorkingDirectory(), CACHEDIR_NAME);
    _aggregator = aggregator;
    // Make sure the cache directory exists
    if (!_directory.exists()) {
        if (!_directory.mkdirs()) {
            throw new IOException(MessageFormat.format(Messages.CacheManagerImpl_0,
                    new Object[] { _directory.getAbsoluteFile() }));
        }
    }
    // Attempt to de-serialize the cache from disk
    CacheImpl cache = null;
    try {
        File file = new File(_directory, CACHE_META_FILENAME);
        ObjectInputStream is = new ObjectInputStream(new FileInputStream(file));
        try {
            cache = (CacheImpl) is.readObject();
        } finally {
            try {
                is.close();
            } catch (Exception ignore) {
            }
        }
    } catch (FileNotFoundException e) {
        if (log.isLoggable(Level.INFO))
            log.log(Level.INFO, Messages.CacheManagerImpl_1);
    } catch (InvalidClassException e) {
        if (log.isLoggable(Level.INFO))
            log.log(Level.INFO, Messages.CacheManagerImpl_2);
        // one or more of the serializable classes has changed.  Delete the stale
        // cache files
    } catch (Exception e) {
        if (log.isLoggable(Level.SEVERE))
            log.log(Level.SEVERE, e.getMessage(), e);
    }
    if (cache != null) {
        _control = (CacheControl) cache.getControlObj();
    }
    if (_control != null) {
        // stamp == 0 means no overrides.  Need to check for this explicitly
        // in case the overrides directory has been removed.
        if (stamp == 0 && _control.initStamp == 0 || stamp != 0 && stamp <= _control.initStamp) {
            // Use AggregatorProxy so that getCacheManager will return non-null
            // if called from within setAggregator.  Need to do this because
            // IAggregator.getCacheManager() is unable to return this object
            // since it is still being constructed.
            cache.setAggregator(AggregatorProxy.newInstance(_aggregator, this));
            _cache.set(cache);
        }
    } else {
        _control = new CacheControl();
        _control.initStamp = stamp;
    }

    // Start up the periodic serializer task.  Serializes the cache every 10 minutes.
    // This is done so that we can recover from an unexpected shutdown
    aggregator.getExecutors().getScheduledExecutor().scheduleAtFixedRate(new Runnable() {
        public void run() {
            try {
                File file = new File(_directory, CACHE_META_FILENAME);
                // Synchronize on the cache object to keep the scheduled cache sync thread and
                // the thread processing servlet destroy from colliding.
                synchronized (cacheSerializerSyncObj) {
                    ObjectOutputStream os = new ObjectOutputStream(new FileOutputStream(file));
                    try {
                        os.writeObject(_cache.get());
                    } finally {
                        try {
                            os.close();
                        } catch (Exception ignore) {
                        }
                    }
                }
            } catch (Exception e) {
                if (log.isLoggable(Level.SEVERE))
                    log.log(Level.SEVERE, e.getMessage(), e);
            }
        }
    }, 10, 10, TimeUnit.MINUTES);

    Dictionary<String, String> dict;

    if (_aggregator.getPlatformServices() != null) {
        dict = new Hashtable<String, String>();
        dict.put("name", aggregator.getName()); //$NON-NLS-1$
        _serviceRegistrations.add(_aggregator.getPlatformServices()
                .registerService(IShutdownListener.class.getName(), this, dict));

        dict = new Hashtable<String, String>();
        dict.put("name", aggregator.getName()); //$NON-NLS-1$
        _serviceRegistrations.add(
                _aggregator.getPlatformServices().registerService(IConfigListener.class.getName(), this, dict));

        dict = new Hashtable<String, String>();
        dict.put("name", aggregator.getName()); //$NON-NLS-1$
        _serviceRegistrations.add(_aggregator.getPlatformServices()
                .registerService(IDependenciesListener.class.getName(), this, dict));

        dict = new Hashtable<String, String>();
        dict.put("name", aggregator.getName()); //$NON-NLS-1$
        _serviceRegistrations.add(_aggregator.getPlatformServices()
                .registerService(IOptionsListener.class.getName(), this, dict));
    }

    optionsUpdated(aggregator.getOptions(), 1);
    configLoaded(aggregator.getConfig(), 1);
    dependenciesLoaded(aggregator.getDependencies(), 1);

    // Now invoke the listeners for objects that have already been initialized
    IOptions options = _aggregator.getOptions();
    if (options != null) {
        optionsUpdated(options, 1);
    }
    IConfig config = _aggregator.getConfig();
    if (config != null) {
        configLoaded(config, 1);
    }

    IDependencies deps = _aggregator.getDependencies();
    if (deps != null) {
        dependenciesLoaded(deps, 1);
    }
}

---

From source file:com.kynetx.api.java

protected CookieStore fetchCookies() {
    CookieStore toReturn = null;/*  w ww.j  av a2  s. c  o  m*/
    int size = 0;

    if (isReadable() || isWritable()) {
        try {
            File path = new File(context.getExternalFilesDir(null), "cookies");
            FileInputStream fin = new FileInputStream(path);
            ObjectInputStream ois = new ObjectInputStream(fin);

            size = ois.readInt();

            toReturn = new BasicCookieStore();

            for (int i = 0; i < size; i++) {
                BasicClientCookie cookie = new BasicClientCookie((String) ois.readObject(),
                        (String) ois.readObject());

                cookie.setDomain((String) ois.readObject());
                cookie.setPath((String) ois.readObject());
                cookie.setVersion(ois.readInt());
                toReturn.addCookie((Cookie) cookie);
            }

            ois.close();
        } catch (Exception e) {
            return null;
        }
    }
    if (size > 0) {
        return toReturn;
    } else {
        return null;
    }
}

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From source file:com.runwaysdk.session.FileSessionCache.java

@Override
protected Session getSession(String sessionId) {
    sessionCacheLock.lock();//from www. j av a2  s . c o  m

    try {
        if (sessions.containsKey(sessionId)) {
            return sessions.get(sessionId);
        }

        String dir = this.getDirectory(sessionId);
        File file = new File(dir + sessionId);

        try {
            ObjectInputStream stream = new ResolvedObjectInputStream(new FileInputStream(file));
            Session session = (Session) stream.readObject();
            stream.close();

            // Check that the session has not expired
            long currentTime = System.currentTimeMillis();

            if (session.isExpired(currentTime)) {
                // Session has expired: delete it from the file
                // system and throw an exception
                FileIO.deleteFile(file);

                String error = "Session [" + sessionId + "] does not exist or has expired.";
                throw new InvalidSessionException(error);
            }

            return session;
        } catch (FileNotFoundException e) {
            String error = "Session [" + sessionId + "] does not exist or has expired.";
            throw new InvalidSessionException(error);
        } catch (IOException e) {
            throw new FileReadException(file, e);
        } catch (ClassNotFoundException e) {
            throw new ProgrammingErrorException(e);
        }
    } finally {
        sessionCacheLock.unlock();
    }
}

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From source file:com.uberspot.storageutils.StorageUtils.java

/** Loads the object stored in the given fileName
 * @param fileName the name of the file to load
 * @return the object loaded from the file
 *///from  w ww.j  a  v  a2  s  .c  o m
public Object loadObjectFromInternalStorage(String fileName) {
    Object obj = null;
    ObjectInputStream input = null;
    try {
        if (fileExists(fileName)) {
            input = new ObjectInputStream(new BufferedInputStream(openFileInput(fileName)));
            obj = input.readObject();
        }
    } catch (Exception e) {
        e.printStackTrace(System.out);
    } finally {
        if (input != null)
            try {
                input.close();
            } catch (IOException e) {
                e.printStackTrace(System.out);
            }
    }
    return obj;
}

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From source file:hudson.console.AnnotatedLargeText.java

private ConsoleAnnotator createAnnotator(StaplerRequest req) throws IOException {
    try {/*from  ww  w  .ja  va 2  s . c  om*/
        String base64 = req != null ? req.getHeader("X-ConsoleAnnotator") : null;
        if (base64 != null) {
            Cipher sym = PASSING_ANNOTATOR.decrypt();

            ObjectInputStream ois = new ObjectInputStreamEx(
                    new GZIPInputStream(new CipherInputStream(
                            new ByteArrayInputStream(Base64.decode(base64.toCharArray())), sym)),
                    Jenkins.getInstance().pluginManager.uberClassLoader);
            try {
                long timestamp = ois.readLong();
                if (TimeUnit2.HOURS.toMillis(1) > abs(System.currentTimeMillis() - timestamp))
                    // don't deserialize something too old to prevent a replay attack
                    return (ConsoleAnnotator) ois.readObject();
            } finally {
                ois.close();
            }
        }
    } catch (ClassNotFoundException e) {
        throw new IOException(e);
    }
    // start from scratch
    return ConsoleAnnotator.initial(context == null ? null : context.getClass());
}

---

From source file:com.frostwire.gui.updates.InstallerUpdater.java

private final InstallerMetaData getLastInstallerMetaData() {
    InstallerMetaData result = null;// ww w . ja  v  a 2  s .c  om
    try {
        File installerDatFile = new File(getInstallerDatPath());

        if (!installerDatFile.exists()) {
            return null;
        }

        FileInputStream fis = new FileInputStream(installerDatFile);
        ObjectInputStream ois = new ObjectInputStream(fis);

        try {
            result = (InstallerMetaData) ois.readObject();

            if (result == null) {
                return null;
            }
        } finally {
            fis.close();
            ois.close();
        }

        return result;

    } catch (Throwable e) {
        // processMessage will deal with us returning null
        LOG.info("Can't read installer meta data");
        return null;
    }
}

---

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