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:org.pgptool.gui.config.impl.ConfigRepositoryImpl.java

public static void writeObject(Object o, String destinationFile) {
    ObjectOutputStream oos = null;
    try {/*w w  w.  j  a v  a2s .c  o  m*/
        log.trace(String.format("Persisting %s to %s", o, destinationFile));

        File file = new File(destinationFile);
        if (!file.getParentFile().exists() && !file.getParentFile().mkdirs()) {
            throw new RuntimeException("Failed to create all parent directories");
        }

        FileOutputStream fout = new FileOutputStream(file);
        oos = new ObjectOutputStream(fout);
        oos.writeObject(o);
        oos.flush();
        oos.close();
        fout.close();
    } catch (Throwable t) {
        throw new RuntimeException("Failed to write config: " + destinationFile, t);
    } finally {
        safeClose(oos);
    }
}

From source file:de.tudarmstadt.ukp.dkpro.tc.core.util.TaskUtils.java

/**
 * Saves a serializable object of type <T> to disk. Output file may be uncompressed, gzipped or
 * bz2-compressed. Compressed files must have a .gz or .bz2 suffix.
 *
 * @param serializedFile/*from  ww  w  . j av a2  s. c o m*/
 *            model output file
 * @param serializableObject
 *            the object to serialize
 * @throws IOException
 */
public static void serialize(File serializedFile, Object serializableObject) throws IOException {

    FileOutputStream fos = new FileOutputStream(serializedFile);
    BufferedOutputStream bufStr = new BufferedOutputStream(fos);

    OutputStream underlyingStream = null;
    if (serializedFile.getName().endsWith(".gz")) {
        underlyingStream = new GZIPOutputStream(bufStr);
    } else if (serializedFile.getName().endsWith(".bz2")) {
        underlyingStream = new CBZip2OutputStream(bufStr);
        // manually add bz2 prefix to make it compatible to normal bz2 tools
        // prefix has to be skipped when reading the stream with CBZip2
        fos.write("BZ".getBytes("UTF-8"));
    } else {
        underlyingStream = bufStr;
    }
    ObjectOutputStream serializer = new ObjectOutputStream(underlyingStream);
    try {
        serializer.writeObject(serializableObject);

    } finally {
        serializer.flush();
        serializer.close();
    }
}

From source file:com.conwet.silbops.model.JSONvsRMIPerfT.java

public static void sizeExternalizeSeveralWithoutTypes(Externalizable[] objects) {

    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    try {//www  .j a  v a 2  s  .c  o m
        ObjectOutputStream out = new ObjectOutputStream(baos);

        for (Externalizable object : objects) {
            object.writeExternal(out);
        }

        out.close();
    } catch (IOException ex) {
        ex.printStackTrace();
    }

    int size = baos.size();
    int sizePerMessage = size / objects.length;
    System.out.println("   Size no indicating types " + objects.length + " messages - RMI: " + size + " bytes ("
            + sizePerMessage + " bytes/msg)");
}

From source file:com.sec.ose.osi.sdk.protexsdk.component.ComponentAPIWrapper.java

public static void save() {
    ObjectOutputStream oos;
    try {/*from   w w w.j  av a  2 s. co  m*/
        oos = new ObjectOutputStream(new FileOutputStream(new File(COMPONENT_FILE_PATH)));
        for (ComponentInfo tmp : globalComponentManager.getComponentList()) {
            oos.writeObject(tmp);
        }
        oos.flush();
        oos.close();
    } catch (FileNotFoundException e) {
    } catch (IOException e) {
    }
}

From source file:com.titilink.camel.rest.util.CommonUtils.java

/**
 * clone ? ?//w  w  w.  j  a va2  s . c  o  m
 *
 * @param obj ?
 * @return ?
 */
public static Object clone(Object obj) {
    if (obj == null) {
        return null;
    }

    Object anotherObj = null;
    byte[] bytes = null;
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream oos = null;
    try {
        oos = new ObjectOutputStream(baos);
        oos.writeObject(obj);
        bytes = baos.toByteArray();
    } catch (Exception ex) {
        LOGGER.error("CloneObjectUtil cloneexception ", ex);
        return null;
    } finally {
        if (oos != null) {
            try {
                oos.close();
            } catch (Exception e) {
                LOGGER.error("CloneObjectUtil cloneexception ", e);
            }
        }
    }
    ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
    ObjectInputStream ois = null;
    try {
        ois = new ObjectInputStream(bais);
        anotherObj = ois.readObject();
    } catch (Exception ex) {
        LOGGER.error("CloneObjectUtil cloneexception ", ex);
        return null;
    } finally {
        if (ois != null) {
            try {
                ois.close();
            } catch (Exception e) {
                LOGGER.error("CloneObjectUtil cloneexception ", e);
            }
        }
    }
    return anotherObj;
}

From source file:com.beetle.framework.util.ObjectUtil.java

/**
 * // ww  w  . j  a  v  a  2 s. c  o m
 * 
 * @param originObj
 * @return
 */
public final static Object objectClone(Object originObj) {
    ByteArrayOutputStream bao = null;
    ByteArrayInputStream bai = null;
    ObjectOutputStream oos;
    ObjectInputStream ois;
    try {
        bao = new ByteArrayOutputStream();
        oos = new ObjectOutputStream(bao);
        oos.writeObject(originObj);
        oos.flush();
        oos.close();
        bai = new ByteArrayInputStream(bao.toByteArray());
        ois = new ObjectInputStream(bai);
        Object obj = ois.readObject();
        ois.close();
        oos = null;
        ois = null;
        return obj;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    } finally {
        try {
            if (bao != null) {
                bao.close();
                bao = null;
            }
            if (bai != null) {
                bai.close();
                bai = null;
            }
        } catch (IOException e) {
        }
    }
}

From source file:de.tudarmstadt.ukp.dkpro.tc.mallet.util.MalletUtils.java

public static void runTrainCRF(File trainingFile, File modelFile, double var, int iterations,
        String defaultLabel, boolean fullyConnected, int[] orders, boolean denseFeatureValues)
        throws FileNotFoundException, IOException, ClassNotFoundException {
    Reader trainingFileReader = null;
    InstanceList trainingData = null;/*from  ww  w. j  av  a2s  .  c  om*/
    //trainingFileReader = new FileReader(trainingFile);
    trainingFileReader = new InputStreamReader(new GZIPInputStream(new FileInputStream(trainingFile)), "UTF-8");
    Pipe p = null;
    CRF crf = null;
    p = new ConversionToFeatureVectorSequence(denseFeatureValues); //uses first line of file to identify DKProInstanceID feature and discard
    p.getTargetAlphabet().lookupIndex(defaultLabel);
    p.setTargetProcessing(true);
    trainingData = new InstanceList(p);
    trainingData.addThruPipe(new LineGroupIterator(trainingFileReader, Pattern.compile("^\\s*$"), true)); //if you want to skip the line containing feature names, add "|^[A-Za-z]+.*$"
    //      logger.info
    //      ("Number of features in training data: "+p.getDataAlphabet().size());

    //      logger.info ("Number of predicates: "+p.getDataAlphabet().size());

    if (p.isTargetProcessing()) {
        Alphabet targets = p.getTargetAlphabet();
        StringBuffer buf = new StringBuffer("Labels:");
        for (int i = 0; i < targets.size(); i++) {
            buf.append(" ").append(targets.lookupObject(i).toString());
            //         logger.info(buf.toString());
        }
    }

    crf = trainCRF(trainingData, crf, var, iterations, defaultLabel, fullyConnected, orders);

    ObjectOutputStream s = new ObjectOutputStream(new FileOutputStream(modelFile));
    s.writeObject(crf);
    s.close();
}

From source file:cascading.util.Util.java

public static String serializeBase64(Object object, boolean compress) throws IOException {
    ByteArrayOutputStream bytes = new ByteArrayOutputStream();

    ObjectOutputStream out = new ObjectOutputStream(compress ? new GZIPOutputStream(bytes) : bytes);

    try {//from   w w  w . j a  v a  2  s  . co m
        out.writeObject(object);
    } finally {
        out.close();
    }

    return new String(Base64.encodeBase64(bytes.toByteArray()));
}

From source file:com.conwet.silbops.model.JSONvsRMIPerfT.java

public static void sizeExternalizeSeveralWithType(String type, Externalizable[] objects) {

    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    try {/*  www .j  a v a  2  s.co  m*/
        ObjectOutputStream out = new ObjectOutputStream(baos);

        for (Externalizable object : objects) {
            Message msg = new MessageImpl(type, object, null);
            out.writeObject(msg);
        }

        out.close();
    } catch (IOException ex) {
        ex.printStackTrace();
    }

    int size = baos.size();
    int sizePerMessage = size / objects.length;
    System.out.println("   Size indicating types " + objects.length + " messages - RMI: " + size + " bytes ("
            + sizePerMessage + " bytes/msg)");
}

From source file:jade.mtp.http.XMLCodec.java

/** 
 * A user-defined property (String name, Object value) is encoded the following way:
 * <user-defined href="name" type="type">value</user-defined>
 * //from   w  ww . j a  v a2s.  c  o m
 */
private static void encodeProp(StringBuffer sb, Property p) {
    String v = null;
    Object o = p.getValue();
    String type = PROP_STRING_TYPE;
    if (o instanceof String) {
        v = (String) o;
    } else if (o instanceof byte[]) {
        type = PROP_BYTE_TYPE;
        try {
            v = new String(Base64.encodeBase64((byte[]) o), "US-ASCII");
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
    } else if (o instanceof Serializable) {
        type = PROP_SER_TYPE;
        try {
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            ObjectOutputStream oos = new ObjectOutputStream(bos);
            oos.writeObject(o);
            oos.close();
            byte[] bytes = bos.toByteArray();
            if (bytes != null)
                v = new String(Base64.encodeBase64(bytes), "US-ASCII");
        } catch (IOException ioe) {
            return;
        }
    } else {
        return;
    }
    sb.append(OT).append(PROP_TAG).append(" ");
    sb.append(PROP_ATTR).append("=\"").append(p.getName()).append("\" ");
    sb.append(PROP_ATTR_TYPE).append("=\"").append(type).append("\"");
    sb.append(CT);
    sb.append(v);
    sb.append(ET).append(PROP_TAG).append(CT);
}