Download Image does not

Hello

12.1.3 Jdev

I have a table that stores the BLOB.

I use a fileDownloadActionListener to download the file.

<af:column headerText="Download" id="c3">
                            <af:link text="#{row.FileName}" id="l1">
                                <af:fileDownloadActionListener filename="#{row.FileName}"
                                                               method="#{downloadBean.downloadBlobFile}"
                                                               contentType="#{row.MimeType}"/>
                            </af:link>
                        </af:column>

Code to download the file:

    public void downloadBlobFile(FacesContext facesContext, OutputStream outputStream)
    {
        BindingContainer bindings = BindingContext.getCurrent().getCurrentBindingsEntry();
        AttributeBinding attr = (AttributeBinding) bindings.getControlBinding("Image");
        if (attr != null)
        {
            BlobDomain blob = (BlobDomain) attr.getInputValue();
            try
            {   // copy hte data from the blobDomain to the output stream
                IOUtils.copy(blob.getInputStream(), outputStream);
                blob.closeInputStream();
                outputStream.flush();
            }
            catch (IOException e)
            {
                // handle errors
                e.printStackTrace();
                FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_ERROR, e.getMessage(), "");
                FacesContext.getCurrentInstance().addMessage(null, msg);
            }
        }
    }

AttributeBinding attr = bindings.getControlBinding ("Image") (AttributeBinding);

The line above returns zero;

It works fine in my other project. But not able to find out what is missing.

See you soon

What is missing in your pageDef is:

Tags: Java

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