package org.trails.component.blob;

 import org.apache.tapestry.IAsset;

 import org.apache.tapestry.request.IUploadFile;

 import org.trails.descriptor.IClassDescriptor;

 import org.trails.descriptor.IPropertyDescriptor;

 /**

  * An interface to the persistence mechanism that allows to plug in different strategies for persisting binary files.

  */

 public interface IFilePersister

 {

         IAsset getAsset(IPropertyDescriptor propertyDescriptor, Object model);

         void store(IPropertyDescriptor propertyDescriptor, Object model, IUploadFile file);

         public byte[] getData(IPropertyDescriptor propertyDescriptor, Object model);

         String getContentType(IPropertyDescriptor propertyDescriptor, Object model);

         String getFileName(IPropertyDescriptor propertyDescriptor, Object model);

         void delete(IPropertyDescriptor propertyDescriptor, Object model);

 }