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:maui.main.MauiTopicExtractor.java

/** 
 * Loads the extraction model from the file.
 *///  ww  w  .j ava2  s.  c  om
public void loadModel() throws Exception {

    BufferedInputStream inStream = new BufferedInputStream(new FileInputStream(modelName));
    ObjectInputStream in = new ObjectInputStream(inStream);
    mauiFilter = (MauiFilter) in.readObject();

    // If TFxIDF values are to be computed from the test corpus
    if (buildGlobalDictionary == true) {
        if (debugMode) {
            System.err.println("-- The global dictionaries will be built from this test collection..");
        }
        mauiFilter.globalDictionary = null;
    }
    in.close();
}

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From source file:com.adjust.sdk.PackageHandler.java

private void readPackageQueue() {
    if (dropOfflineActivities) {
        packageQueue = new ArrayList<ActivityPackage>();
        return; // don't read old packages when offline tracking is disabled
    }/*from  ww  w . jav  a 2 s.c  o  m*/

    try {
        FileInputStream inputStream = context.openFileInput(PACKAGE_QUEUE_FILENAME);
        BufferedInputStream bufferedStream = new BufferedInputStream(inputStream);
        ObjectInputStream objectStream = new ObjectInputStream(bufferedStream);

        try {
            Object object = objectStream.readObject();
            @SuppressWarnings("unchecked")
            List<ActivityPackage> packageQueue = (List<ActivityPackage>) object;
            logger.debug("Package handler read %d packages", packageQueue.size());
            this.packageQueue = packageQueue;
            return;
        } catch (ClassNotFoundException e) {
            logger.error("Failed to find package queue class");
        } catch (OptionalDataException e) {
            /* no-op */
        } catch (IOException e) {
            logger.error("Failed to read package queue object");
        } catch (ClassCastException e) {
            logger.error("Failed to cast package queue object");
        } finally {
            objectStream.close();
        }
    } catch (FileNotFoundException e) {
        logger.verbose("Package queue file not found");
    } catch (Exception e) {
        logger.error("Failed to read package queue file");
    }

    // start with a fresh package queue in case of any exception
    packageQueue = new ArrayList<ActivityPackage>();
}

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From source file:junk.gui.HazardDataSetCalcCondorApp.java

/**
 * sets up the connection with the servlet on the server (gravity.usc.edu)
 *///from  ww  w . j a  va2  s . c  om
private void sendParametersToServlet(SitesInGriddedRegion regionSites,
        ScalarIntensityMeasureRelationshipAPI imr, String eqkRupForecastLocation) {

    try {
        if (D)
            System.out.println("starting to make connection with servlet");
        URL hazardMapServlet = new URL(SERVLET_URL);

        URLConnection servletConnection = hazardMapServlet.openConnection();
        if (D)
            System.out.println("connection established");

        // inform the connection that we will send output and accept input
        servletConnection.setDoInput(true);
        servletConnection.setDoOutput(true);

        // Don't use a cached version of URL connection.
        servletConnection.setUseCaches(false);
        servletConnection.setDefaultUseCaches(false);
        // Specify the content type that we will send binary data
        servletConnection.setRequestProperty("Content-Type", "application/octet-stream");

        ObjectOutputStream toServlet = new ObjectOutputStream(servletConnection.getOutputStream());

        //sending the object of the gridded region sites to the servlet
        toServlet.writeObject(regionSites);
        //sending the IMR object to the servlet
        toServlet.writeObject(imr);
        //sending the EQK forecast object to the servlet
        toServlet.writeObject(eqkRupForecastLocation);
        //send the X values in a arraylist
        ArrayList list = new ArrayList();
        for (int i = 0; i < function.getNum(); ++i)
            list.add(new String("" + function.getX(i)));
        toServlet.writeObject(list);
        // send the MAX DISTANCE
        toServlet.writeObject(maxDistance);

        //sending email address to the servlet
        toServlet.writeObject(emailText.getText());
        //sending the parameters info. to the servlet
        toServlet.writeObject(getParametersInfo());

        //sending the dataset id to the servlet
        toServlet.writeObject(datasetIdText.getText());

        toServlet.flush();
        toServlet.close();

        // Receive the datasetnumber from the servlet after it has received all the data
        ObjectInputStream fromServlet = new ObjectInputStream(servletConnection.getInputStream());
        String dataset = fromServlet.readObject().toString();
        JOptionPane.showMessageDialog(this, dataset);
        if (D)
            System.out.println("Receiving the Input from the Servlet:" + dataset);
        fromServlet.close();

    } catch (Exception e) {
        ExceptionWindow bugWindow = new ExceptionWindow(this, e, getParametersInfo());
        bugWindow.setVisible(true);
        bugWindow.pack();
    }
}

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From source file:br.org.acessobrasil.nucleuSilva.util.ObterPaginaLocal.java

/**
 * Mtodo que extra o contedo de uma pgina web.
 * @param relatorio Pgina que vai ser pesquisada.
 * @throws IOException Erro ao tentar extrair o contedo da pgina html.
 *//*from   w ww .j  av  a 2s  . co m*/
public void getContent(final RelatorioDaUrl relatorio) {
    final int mb = 1024;

    try {
        StringBuilder sbd = null;
        sbd = new StringBuilder();
        FileInputStream fis = null;
        ObjectInputStream ois = null;
        try {
            //JOptionPane.showMessageDialog(null,"arq = " + relatorio.getUrl()); 
            File file = new File(relatorio.getUrl());
            // JOptionPane.showMessageDialog(null,"fileexist");
            if (file.exists()) {

                fis = new FileInputStream(file);

                byte[] dados = new byte[mb];
                int bytesLidos = 0;

                while ((bytesLidos = fis.read(dados)) > 0) {
                    sbd.append(new String(dados, 0, bytesLidos));
                }

                fis.close();
            }

        } catch (Exception e) {
            log.error(e);
        }

        finally {
            if (fis != null) {
                try {
                    fis.close();
                } catch (Exception e) {
                }
            }
            if (ois != null) {
                try {
                    ois.close();
                } catch (Exception e) {
                }
            }
        }

        if (sbd != null) {

            relatorio.setConteudo(sbd);
        }
    } catch (Exception e) {

        log.error(e.getMessage(), e);
    }

}

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From source file:hu.tbognar76.apking.ApKing.java

private void readPhoneCache() {
    try {/*from  ww w  .  j av  a  2s  .  co m*/
        FileInputStream fileIn = new FileInputStream(this.init.phoneCache);
        ObjectInputStream in = new ObjectInputStream(fileIn);
        @SuppressWarnings("unchecked")
        ArrayList<DeviceApp> readObject = (ArrayList<DeviceApp>) in.readObject();
        this.dmanager.apps = readObject;
        in.close();
        fileIn.close();
        // System.out.println("Cache loaded: " + this.serialCache +
        // " cache size: " + this.serialInHash.size());
    } catch (IOException i) {
        System.out.println("No Cache!!");
        return;
    } catch (ClassNotFoundException c) {

        c.printStackTrace();
        return;
    }

}

---

From source file:com.splicemachine.derby.serialization.ActivationSerializerTest.java

@Test
public void canSerdeStatementTextLargerThanUTF8Limit() throws Exception {
    ObjectOutputStream oos = null;
    ObjectInputStream ois = null;
    try {//from ww w .j ava  2  s.c  o m
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 65535 + 1; i++) {
            sb.append('A');
        }
        SpliceObserverInstructions.ActivationContext context = new SpliceObserverInstructions.ActivationContext(
                null, true, true, sb.toString(), false, 100, "foo".getBytes());
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        oos = new ObjectOutputStream(baos);
        context.writeExternal(oos);
        oos.flush();
        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
        ois = new ObjectInputStream(bais);
        SpliceObserverInstructions.ActivationContext context2 = new SpliceObserverInstructions.ActivationContext();
        context2.readExternal(ois);
        Assert.assertEquals("Serde Incorrect", context.getStatementTxt(), context2.getStatementTxt());
    } finally {
        if (oos != null)
            oos.close();
        if (ois != null)
            ois.close();
    }

}

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From source file:edu.usf.cutr.opentripplanner.android.util.JacksonConfig.java

/**
 * Read the given object from Android internal storage for this app
 *
 * @param objectType object type, defined by class constant Strings, to retrieve
 *                   from cache (ObjectReader, ObjectMapper, or XmlReader)
 * @return deserialized Object, or null if object couldn't be deserialized
 *///from   w  ww.j  a  va 2s  .  c om
private static synchronized Serializable readFromCache(String objectType) {

    FileInputStream fileStream = null;
    ObjectInputStream objectStream = null;

    // Holds object to be read from cache
    Serializable object = null;

    // Before reading from cache, check to make sure that we don't already
    // have the requested object in memory
    if (objectType.equalsIgnoreCase(OBJECT_MAPPER) && mapper != null) {
        return mapper;
    }
    if (objectType.equalsIgnoreCase(OBJECT_READER) && reader != null) {
        return reader;
    }

    if (context != null) {
        try {
            String fileName = objectType + CACHE_FILE_EXTENSION;

            cacheReadStartTime = System.nanoTime();
            fileStream = context.openFileInput(fileName);
            objectStream = new ObjectInputStream(fileStream);
            object = (Serializable) objectStream.readObject();
            cacheReadEndTime = System.nanoTime();

            // Get size of serialized object
            long fileSize = context.getFileStreamPath(fileName).length();

            Log.d("TAG", "Read " + fileName + " from cache (" + fileSize + " bytes) in "
                    + df.format(getLastCacheReadTime()) + " ms.");
        } catch (FileNotFoundException e) {
            Log.w(TAG, "Cache miss - Jackson object '" + objectType + "' does not exist in app cache: " + e);
            return null;
        } catch (Exception e) {
            // Reset timestamps to show there was an error
            cacheReadStartTime = 0;
            cacheReadEndTime = 0;
            Log.e(TAG, "Couldn't read Jackson object '" + objectType + "' from cache: " + e);
        } finally {
            try {
                if (objectStream != null) {
                    objectStream.close();
                }
                if (fileStream != null) {
                    fileStream.close();
                }
            } catch (Exception e) {
                Log.e(TAG, "Error closing cache file connections: " + e);
            }
        }

        if (object instanceof ObjectMapper) {
            mapper = (ObjectMapper) object;
        }
        if (object instanceof ObjectReader) {
            reader = (ObjectReader) object;
        }

        return object;
    } else {
        Log.w(TAG,
                "Couldn't read from cache - no context provided.  If you want to use the cache, call JacksonConfig.setUsingCache(true, context) with a reference to your context.");
        return null;
    }
}

---

From source file:com.moscona.dataSpace.persistence.DirectoryDataStore.java

public DataSpace loadDataSpace(IMemoryManager memoryManager) throws DataSpaceException {
    stats.startTimerFor(TIMING_LOAD_DATA_SPACE);
    try {//from www.j a  v a  2s . c om
        DataSpace dataSpace = null;
        InputStream in = new FileInputStream(dataSpaceFileName());
        try {
            ObjectInputStream objIn = new ObjectInputStream(in);
            try {
                dataSpace = (DataSpace) objIn.readObject();
                dataSpace.initTransientsAfterRestore(this, memoryManager);
                register(dataSpace);
            } finally {
                objIn.close();
            }
        } finally {
            in.close();
        }
        return dataSpace;
    } catch (Exception e) {
        throw new DataSpaceException(
                "Exception while restoring data space from " + dataSpaceFileName() + ": " + e, e);
    } finally {
        stopTimerFor(TIMING_LOAD_DATA_SPACE);
    }
}

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From source file:foodsimulationmodel.pathmapping.Route.java

/**
 * Used to create a new BuildingsOnRoadCache object. This function is used instead of the constructor directly so
 * that the class can check if there is a serialised version on disk already. If not then a new one is created and
 * returned.// w w  w.  j a  v a 2s.  c o  m
 * 
 * @param buildingEnv
 * @param buildingsFile
 * @param roadEnv
 * @param roadsFile
 * @param serialisedLoc
 * @param geomFac
 * @return
 * @throws Exception
 */
public synchronized static NearestRoadCoordCache getInstance(Geography<IAgent> buildingEnv, File buildingsFile,
        Geography<Road> roadEnv, File roadsFile, File serialisedLoc, GeometryFactory geomFac) throws Exception {
    double time = System.nanoTime();
    // See if there is a cache object on disk.
    if (serialisedLoc.exists()) {
        FileInputStream fis = null;
        ObjectInputStream in = null;
        NearestRoadCoordCache ncc = null;
        try {

            fis = new FileInputStream(serialisedLoc);
            in = new ObjectInputStream(fis);
            ncc = (NearestRoadCoordCache) in.readObject();
            in.close();

            // Check that the cache is representing the correct data and the
            // modification dates are ok
            if (!buildingsFile.getAbsolutePath().equals(ncc.buildingsFile.getAbsolutePath())
                    || !roadsFile.getAbsolutePath().equals(ncc.roadsFile.getAbsolutePath())
                    || buildingsFile.lastModified() > ncc.createdTime
                    || roadsFile.lastModified() > ncc.createdTime) {
                LOGGER.log(Level.FINE, "BuildingsOnRoadCache, found serialised object but it doesn't match the "
                        + "data (or could have different modification dates), will create a new cache.");
            } else {
                LOGGER.log(Level.FINER, "NearestRoadCoordCache, found serialised cache, returning it (in "
                        + 0.000001 * (System.nanoTime() - time) + "ms)");
                return ncc;
            }
        } catch (IOException ex) {
            if (serialisedLoc.exists())
                serialisedLoc.delete(); // delete to stop problems loading incomplete file next tinme
            throw ex;
        } catch (ClassNotFoundException ex) {
            if (serialisedLoc.exists())
                serialisedLoc.delete();
            throw ex;
        }

    }

    // No serialised object, or got an error when opening it, just create a new one
    return new NearestRoadCoordCache(buildingEnv, buildingsFile, roadEnv, roadsFile, serialisedLoc, geomFac);
}

---

From source file:foodsimulationmodel.pathmapping.Route.java

/**
 * Used to create a new BuildingsOnRoadCache object. This function is used instead of the constructor directly so
 * that the class can check if there is a serialised version on disk already. If not then a new one is created and
 * returned.//from w  w  w .  j a  v  a  2  s  .  c om
 * 
 * @param buildingEnv
 * @param buildingsFile
 * @param roadEnv
 * @param roadsFile
 * @param serialisedLoc
 * @param geomFac
 * @return
 * @throws Exception
 */
public synchronized static BuildingsOnRoadCache getInstance(Geography<IAgent> buildingEnv, File buildingsFile,
        Geography<Road> roadEnv, File roadsFile, File serialisedLoc, GeometryFactory geomFac) throws Exception {
    double time = System.nanoTime();
    // See if there is a cache object on disk.
    if (serialisedLoc.exists()) {
        FileInputStream fis = null;
        ObjectInputStream in = null;
        BuildingsOnRoadCache bc = null;
        try {
            fis = new FileInputStream(serialisedLoc);
            in = new ObjectInputStream(fis);
            bc = (BuildingsOnRoadCache) in.readObject();
            in.close();

            // Check that the cache is representing the correct data and the
            // modification dates are ok
            // (WARNING, if this class is re-compiled the serialised object
            // will still be read in).
            if (!buildingsFile.getAbsolutePath().equals(bc.buildingsFile.getAbsolutePath())
                    || !roadsFile.getAbsolutePath().equals(bc.roadsFile.getAbsolutePath())
                    || buildingsFile.lastModified() > bc.createdTime
                    || roadsFile.lastModified() > bc.createdTime) {
                LOGGER.log(Level.FINER,
                        "BuildingsOnRoadCache, found serialised object but it doesn't match the "
                                + "data (or could have different modification dates), will create a new cache.");
            } else {
                // Have found a useable serialised cache. Now use the cached
                // list of id's to construct a
                // new cache of buildings and roads.
                // First need to buld list of existing roads and buildings
                Hashtable<String, Road> allRoads = new Hashtable<String, Road>();
                for (Road r : roadEnv.getAllObjects())
                    allRoads.put(r.getIdentifier(), r);
                Hashtable<String, IAgent> allBuildings = new Hashtable<String, IAgent>();
                for (IAgent b : buildingEnv.getAllObjects())
                    allBuildings.put(b.getIdentifier(), b);

                // Now create the new cache
                theCache = new Hashtable<Road, ArrayList<IAgent>>();

                for (String roadId : bc.referenceCache.keySet()) {
                    ArrayList<IAgent> buildings = new ArrayList<IAgent>();
                    for (String buildingId : bc.referenceCache.get(roadId)) {
                        buildings.add(allBuildings.get(buildingId));
                    }
                    theCache.put(allRoads.get(roadId), buildings);
                }
                LOGGER.log(Level.FINER, "BuildingsOnRoadCache, found serialised cache, returning it (in "
                        + 0.000001 * (System.nanoTime() - time) + "ms)");
                return bc;
            }
        } catch (IOException ex) {
            if (serialisedLoc.exists())
                serialisedLoc.delete(); // delete to stop problems loading incomplete file next tinme
            throw ex;
        } catch (ClassNotFoundException ex) {
            if (serialisedLoc.exists())
                serialisedLoc.delete();
            throw ex;
        }

    }

    // No serialised object, or got an error when opening it, just create a
    // new one
    return new BuildingsOnRoadCache(buildingEnv, buildingsFile, roadEnv, roadsFile, serialisedLoc, geomFac);
}

---

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