Example usage for java.io ObjectOutput writeObject

Introduction

In this page you can find the example usage for java.io ObjectOutput writeObject.

Prototype

public void writeObject(Object obj) throws IOException;

Source Link

Document

Write an object to the underlying storage or stream.

Usage

From source file:Main.java

public static synchronized void writeArrayListToFile(ArrayList<double[]> x, String filename) {
    //        double  []x  = {1,2,4};
    //        String filename = "data.dat";
    ObjectOutput out = null;

    try {// ww w  . jav  a  2 s  .  c om
        out = new ObjectOutputStream(new FileOutputStream(new File(filename)));
        out.writeObject(x);
        out.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static byte[] toByteArray(Serializable serializable) {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    ObjectOutput out = null;
    try {//from   ww  w  .  ja va 2 s . c om
        out = new ObjectOutputStream(bos);
        out.writeObject(serializable);
        byte[] bytes = bos.toByteArray();
        return bytes;
    } catch (IOException e) {
        throw new IllegalArgumentException(e);
    } finally {
        try {
            out.close();
            bos.close();
        } catch (IOException e) {
            //can be ignored;
        }

    }
}

From source file:Main.java

public static byte[] serialize(Object o) {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    ObjectOutput out = null;
    byte[] bytes = null;
    try {//from  w  ww.  j  a  va 2s . c om
        out = new ObjectOutputStream(bos);
        out.writeObject(o);
        bytes = bos.toByteArray();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (out != null) {
                out.close();
            }
        } catch (IOException ex) {
            // ignore close exception
        }
        try {
            bos.close();
        } catch (IOException ex) {
            // ignore close exception
        }
    }
    return bytes;
}

From source file:org.kuali.rice.core.api.util.ChecksumUtils.java

/**
* Creates a checksum for the given object which must be serializable.
*
* @param object the serializable object for which to calculate the checksum
 * /*  w w w  .  j  a  v a2  s  .c o m*/
* @return A checksum value for the object.
*/
public static String calculateChecksum(Object object) {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    ObjectOutput out = null;
    try {
        out = new ObjectOutputStream(bos);
        out.writeObject(object);
    } catch (IOException e) {
        throw new RiceRuntimeException(e);
    } finally {
        try {
            out.close();
        } catch (IOException e) {
        }
    }
    try {
        MessageDigest md = MessageDigest.getInstance("SHA-1");
        return new String(Base64.encodeBase64(md.digest(bos.toByteArray())), "UTF-8");
    } catch (GeneralSecurityException ex) {
        throw new RiceRuntimeException(ex);
    } catch (UnsupportedEncodingException ex) {
        throw new RiceRuntimeException(ex);
    }
}

From source file:net.ulno.jpunch.util.Util.java

/**
 * Serializes Object into byte array./*from w w  w. ja  v  a 2 s.c o m*/
 * @throws IOException 
 */
public static byte[] serializeObject(Object obj) throws IOException {
    ByteArrayOutputStream os = new ByteArrayOutputStream();

    ObjectOutput oo;
    oo = new ObjectOutputStream(os);
    oo.writeObject(obj);

    return os.toByteArray();
}

From source file:org.apache.stratos.cloud.controller.persist.Serializer.java

/**
 * Serialize a {@link org.apache.stratos.cloud.controller.runtime.FasterLookUpDataHolder} to a byte array.
 * @param serializableObj/*from  ww  w . j  a v a2  s. c  om*/
 * @return byte[] 
 * @throws IOException
 */
public static byte[] serializeToByteArray(FasterLookUpDataHolder serializableObj) throws IOException {

    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    ObjectOutput out = null;
    try {
        out = new ObjectOutputStream(bos);
        out.writeObject(serializableObj);

        return bos.toByteArray();

    } finally {
        if (out != null) {
            out.close();
        }
        bos.close();
    }

}

From source file:org.apache.stratos.cloud.controller.persist.Serializer.java

/**
* Serialize a {@link org.apache.stratos.cloud.controller.runtime.FasterLookUpDataHolder} to a byte array.
* @param topology//from w ww .j  ava2  s.  c  om
* @return byte[]
* @throws IOException
*/
public static byte[] serializeToByteArray(Topology topology) throws IOException {

    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    ObjectOutput out = null;
    try {
        out = new ObjectOutputStream(bos);
        out.writeObject(topology);

        return bos.toByteArray();

    } finally {
        if (out != null) {
            out.close();
        }
        bos.close();
    }

}

From source file:com.bah.applefox.main.plugins.pageranking.utilities.PRtoFile.java

public static boolean writeToFile(String[] args) {
    String fileName = args[16];//w  w  w  .j a  v  a  2s  . c om
    File f = new File(fileName);
    try {
        f.createNewFile();
        OutputStream file = new FileOutputStream(f);
        OutputStream buffer = new BufferedOutputStream(file);
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(createMap(args));
        out.flush();
        out.close();
    } catch (IOException e) {
        if (e.getMessage() != null) {
            log.error(e.getMessage());
        } else {
            log.error(e.getStackTrace());
        }
        return false;
    } catch (AccumuloException e) {
        if (e.getMessage() != null) {
            log.error(e.getMessage());
        } else {
            log.error(e.getStackTrace());
        }
        return false;
    } catch (AccumuloSecurityException e) {
        if (e.getMessage() != null) {
            log.error(e.getMessage());
        } else {
            log.error(e.getStackTrace());
        }
        return false;
    } catch (TableNotFoundException e) {
        if (e.getMessage() != null) {
            log.error(e.getMessage());
        } else {
            log.error(e.getStackTrace());
        }
        return false;
    }

    return true;

}

From source file:com.linkedin.pinot.common.utils.DataTableJavaSerDe.java

/**
 * Helper method to serialize an object using Java ser/de.
 *
 * @param object  to serialize/*from w  ww .java  2 s.  co  m*/
 * @return Serialized byte[] for the object.
 */
public static byte[] serializeJavaObject(@Nonnull Object object) {
    byte[] bytes;
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    ObjectOutput out = null;

    try {
        try {
            out = new ObjectOutputStream(bos);
            out.writeObject(object);
        } catch (IOException e) {
            LOGGER.error("Caught exception while serializing object for data table.", e);
            Utils.rethrowException(e);
        }

        bytes = bos.toByteArray();
    } finally {
        IOUtils.closeQuietly((Closeable) out);
        IOUtils.closeQuietly(bos);
    }

    return bytes;
}

From source file:com.abcseo.comments.dao.RepositoryTreapImpl.java

private static byte[] object2Bytes(Object o) {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    ObjectOutput out;
    try {//from   ww  w  .  j  a  va  2s  .co m
        out = new ObjectOutputStream(bos);
        out.writeObject(o);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return bos.toByteArray();
}