package org.trails.component.blob;

 import org.apache.tapestry.BaseComponent;

 import org.apache.tapestry.annotations.ComponentClass;

 import org.apache.tapestry.annotations.InjectObject;

 import org.apache.tapestry.annotations.Parameter;

 import org.apache.tapestry.request.IUploadFile;

 import org.trails.descriptor.IClassDescriptor;

 import org.trails.descriptor.IPropertyDescriptor;

 @ComponentClass(allowBody = true, allowInformalParameters = true)

 public abstract class TrailsUpload extends BaseComponent

 {

         @InjectObject("service:trails.core.FilePersister")

         public abstract IFilePersister getFilePersister();

         @Parameter(required = true)

         public abstract Object getModel();

         @Parameter(required = true)

         public abstract IPropertyDescriptor getPropertyDescriptor();

         public IUploadFile getFile()

         {

                 return null;

         }

         public void setFile(IUploadFile file)

         {

                 if (file != null)

                 {

                         getFilePersister().store(getPropertyDescriptor(), getModel(), file);

                 }

         }

 }