BlobHelper

BlobHelper.java

class BlobHelper {

public static Object toObject(byte[] bytes) {
        Object object = null;
        try {
            object = new java.io.ObjectInputStream(new java.io.ByteArrayInputStream(bytes)).readObject();
        } catch (java.io.IOException ioe) {
        } catch (java.lang.ClassNotFoundException cnfe) {
        }
        return object;
    }

 private byte[] toByteArray(Blob fromModelBlob) {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        try {
            return toByteArrayImpl(fromModelBlob, baos);
        } catch (Exception e) {
        }
        return null;
    }

    private byte[] toByteArrayImpl(Blob fromModelBlob,
            ByteArrayOutputStream baos) throws SQLException, IOException {
        byte buf[] = new byte[4000];
        int dataSize;
        InputStream is = fromModelBlob.getBinaryStream();
        try {
            while ((dataSize = is.read(buf)) != -1) {
                baos.write(buf, 0, dataSize);
            }
        } finally {
            if (is != null) {
                is.close();
            }
        }
        return baos.toByteArray();
    }

}