I found this very interesting and thought I could post this here.

Let me jump directly to the code.

On your jsp, you have

<input id="productimage" name="productimage" type="file">

Your ActionForm will have

private FormFile productimage;

public FormFile getProductimage() { return productimage; } public void setProductimage(FormFile productimage) { this.productimage = productimage; }

My product.hbm.xml has

<property name="productimage" type="blob" column="productimage" not- null="true" length="250" /> My ActionClass has

Product product=new Product(); product.setProductimg(

product.toByteArrayImpl(adminForm.getProductimage())); model.addProduct(factory, product);

And my model.addProduct() has

public boolean **addProduct**(SessionFactory factory, Product product) { Session session =null; try { session = factory.openSession(); session.save(product); } catch (Exception e) { e.printStackTrace(); return false; } finally{ session.flush(); session.close();

}

return true;

}

and my ProductVO has private byte[] **productimg**; private Blob **productimage**;

/** Don't invoke this. Used by Hibernate only. */ public void **setProductimage**(Blob productimage) { this.productimg = this.toByteArray(productimage); }

/** Don't invoke this. Used by Hibernate only. */ public Blob **getProductimage**() { return Hibernate.createBlob(this.productimg); } public byte[] **getProductimg**() { return productimg; } public void **setProductimg**(byte[] productimg) { this.productimg = productimg; }

public byte[] toByteArray(Blob fromBlob) { ByteArrayOutputStream baos = new ByteArrayOutputStream(); try { return toByteArrayImpl(fromBlob, baos); } catch (SQLException e) { throw new RuntimeException(e); } catch (IOException e) { throw new RuntimeException(e); } finally { if (baos != null) { try { baos.close(); } catch (IOException ex) { } } } }

public byte[] toByteArrayImpl(Blob fromBlob, ByteArrayOutputStream baos) throws SQLException, IOException { byte[] buf = new byte[4000]; InputStream is = fromBlob.getBinaryStream(); try { for (;;) { int dataSize = is.read(buf);

if (dataSize == -1) break; baos.write(buf, 0, dataSize); } } finally { if (is != null) { try { is.close(); } catch (IOException ex) { } } } return baos.toByteArray(); }

public byte[] toByteArrayImpl(FormFile formfile) throws SQLException, IOException { byte[] buf = new byte[4000]; InputStream is = formfile.getInputStream(); ByteArrayOutputStream baos = new ByteArrayOutputStream(); try { for (;;) { int dataSize = is.read(buf);

if (dataSize == -1) break; baos.write(buf, 0, dataSize); } } finally { if (is != null) { try { is.close(); } catch (IOException ex) { } } } return baos.toByteArray(); }