Examples with ObjectOutputStream java.io.ObjectOutputStream used on opensource projects

Example 1 with ObjectOutputStream

use of java.io.ObjectOutputStream in project camel by apache.

the class AhcHelper method writeObjectToStream.

/**
     * Writes the given object as response body to the output stream
     *
     * @param stream output stream
     * @param target   object to write
     * @throws java.io.IOException is thrown if error writing
     */
public static void writeObjectToStream(OutputStream stream, Object target) throws IOException {
    ObjectOutputStream oos = new ObjectOutputStream(stream);
    oos.writeObject(target);
    oos.flush();
    IOHelper.close(oos);
}

Example 2 with ObjectOutputStream

use of java.io.ObjectOutputStream in project camel by apache.

the class HBaseHelper method toBytes.

public static byte[] toBytes(Object obj) {
    if (obj instanceof byte[]) {
        return (byte[]) obj;
    } else if (obj instanceof Byte) {
        return Bytes.toBytes((Byte) obj);
    } else if (obj instanceof Short) {
        return Bytes.toBytes((Short) obj);
    } else if (obj instanceof Integer) {
        return Bytes.toBytes((Integer) obj);
    } else if (obj instanceof Long) {
        return Bytes.toBytes((Long) obj);
    } else if (obj instanceof Double) {
        return Bytes.toBytes((Double) obj);
    } else if (obj instanceof String) {
        return Bytes.toBytes((String) obj);
    } else {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = null;
        try {
            oos = new ObjectOutputStream(baos);
            oos.writeObject(obj);
            return baos.toByteArray();
        } catch (IOException e) {
            LOG.warn("Error while serializing object. Null will be used.", e);
            return null;
        } finally {
            IOHelper.close(oos);
            IOHelper.close(baos);
        }
    }
}

Example 3 with ObjectOutputStream

use of java.io.ObjectOutputStream in project camel by apache.

the class HttpHelper method writeObjectToStream.

/**
     * Writes the given object as response body to the output stream
     *
     * @param stream output stream
     * @param target   object to write
     * @throws IOException is thrown if error writing
     */
public static void writeObjectToStream(OutputStream stream, Object target) throws IOException {
    ObjectOutputStream oos = new ObjectOutputStream(stream);
    oos.writeObject(target);
    oos.flush();
    IOHelper.close(oos);
}

Example 4 with ObjectOutputStream

use of java.io.ObjectOutputStream in project camel by apache.

the class JavaSpaceProducer method process.

public void process(Exchange exchange) throws Exception {
    Entry entry;
    Object body = exchange.getIn().getBody();
    if (!(body instanceof Entry)) {
        entry = new InEntry();
        if (body instanceof BeanInvocation) {
            ((InEntry) entry).correlationId = (new UID()).toString();
        }
        if (body instanceof byte[]) {
            ((InEntry) entry).binary = true;
            ((InEntry) entry).buffer = (byte[]) body;
        } else {
            ((InEntry) entry).binary = false;
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            ObjectOutputStream oos = new ObjectOutputStream(bos);
            oos.writeObject(body);
            ((InEntry) entry).buffer = bos.toByteArray();
        }
    } else {
        entry = (Entry) body;
    }
    Transaction tnx = null;
    if (transactionHelper != null) {
        tnx = transactionHelper.getJiniTransaction(transactionTimeout).transaction;
    }
    if (LOG.isDebugEnabled()) {
        LOG.debug("Writing body : " + entry);
    }
    javaSpace.write(entry, tnx, Lease.FOREVER);
    if (ExchangeHelper.isOutCapable(exchange)) {
        OutEntry tmpl = new OutEntry();
        tmpl.correlationId = ((InEntry) entry).correlationId;
        OutEntry replyCamelEntry = null;
        while (replyCamelEntry == null) {
            replyCamelEntry = (OutEntry) javaSpace.take(tmpl, tnx, 100);
        }
        Object obj;
        if (replyCamelEntry.binary) {
            obj = replyCamelEntry.buffer;
        } else {
            ByteArrayInputStream bis = new ByteArrayInputStream(replyCamelEntry.buffer);
            ObjectInputStream ois = new ObjectInputStream(bis);
            obj = ois.readObject();
        }
        exchange.getOut().setBody(obj);
    }
    if (tnx != null) {
        tnx.commit();
    }
}

Example 5 with ObjectOutputStream

use of java.io.ObjectOutputStream in project flink by apache.

the class KvStateRequestSerializer method serializeKvStateRequestFailure.

/**
	 * Allocates a buffer and serializes the KvState request failure into it.
	 *
	 * @param alloc ByteBuf allocator for the buffer to serialize message into
	 * @param requestId ID of the request responding to
	 * @param cause Failure cause
	 * @return Serialized KvState request failure message
	 * @throws IOException Serialization failures are forwarded
	 */
public static ByteBuf serializeKvStateRequestFailure(ByteBufAllocator alloc, long requestId, Throwable cause) throws IOException {
    ByteBuf buf = alloc.ioBuffer();
    // Frame length is set at the end
    buf.writeInt(0);
    writeHeader(buf, KvStateRequestType.REQUEST_FAILURE);
    // Message
    buf.writeLong(requestId);
    try (ByteBufOutputStream bbos = new ByteBufOutputStream(buf);
        ObjectOutputStream out = new ObjectOutputStream(bbos)) {
        out.writeObject(cause);
    }
    // Set frame length
    int frameLength = buf.readableBytes() - 4;
    buf.setInt(0, frameLength);
    return buf;
}