[jbossseam-issues] [JBoss JIRA] Reopened: (JBSEAM-2552) Restructure UIFileUpload.processUpdates code

[Shane Bryzak (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBSEAM-2552?page=all ]

Shane Bryzak reopened JBSEAM-2552:
----------------------------------

             

> Restructure UIFileUpload.processUpdates code
> --------------------------------------------
>
>                 Key: JBSEAM-2552
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-2552
>             Project: JBoss Seam
>          Issue Type: Feature Request
>          Components: JSF Controls
>    Affects Versions: 2.0.1.CR2
>         Environment: Seam 2.0.1.CR2
>            Reporter: Kenneth Christensen
>         Assigned To: Shane Bryzak
>             Fix For: 2.0.1.GA
>
>   Original Estimate: 10 minutes
>  Remaining Estimate: 10 minutes
>
> Will it be possible to restructure code in the UIFileUpload.processUpdates (s:fileUpload)?
> From - Original:
> {code}
>    public void processUpdates(FacesContext context)
>    {
>       ValueExpression dataBinding = getValueExpression("data");
>       if (dataBinding != null)
>       {
>          Class clazz = dataBinding.getType(context.getELContext());
>          if (clazz.isAssignableFrom(InputStream.class))
>          {
>             dataBinding.setValue(context.getELContext(), getLocalInputStream());
>          }
>          else if (clazz.isAssignableFrom(byte[].class))
>          {
>             byte[] bytes = null;
>             if (getLocalInputStream() != null)
>             {
>                ByteArrayOutputStream bos = new ByteArrayOutputStream();
>                try
>                {                  
>                   byte[] buffer = new byte[512];
>                   int read = getLocalInputStream().read(buffer);
>                   while (read != -1)
>                   {
>                      bos.write(buffer, 0, read);
>                      read = getLocalInputStream().read(buffer);
>                   }
>                   bytes = bos.toByteArray();              
>                }
>                catch (IOException e)
>                {
>                   throw new RuntimeException(e);
>                }
>             }
>             dataBinding.setValue(context.getELContext(), bytes);
>          }
>          
>          if (getLocalContentType() != null)
>          {
>             ValueExpression valueExpression = getValueExpression("contentType");
>             if (valueExpression != null) 
>             {
>                valueExpression.setValue(context.getELContext(), getLocalContentType());
>             }
>          }
>          if (getLocalFileName() != null)
>          {
>             ValueExpression valueExpression = getValueExpression("fileName");
>             if (valueExpression != null)
>             {
>                valueExpression.setValue(context.getELContext(), getLocalFileName());
>             }
>          }
>          if (getLocalFileSize() != null)
>          {
>             ValueExpression valueExpression = getValueExpression("fileSize");
>             if (valueExpression != null)
>             {
>                valueExpression.setValue(context.getELContext(), getLocalFileSize());
>             }
>          }
>       }    
>    }
> {code}
> To - Restructured:
> {code}
>     public void processUpdates(FacesContext context)
>     {
>        ValueExpression dataBinding = getValueExpression("data");
>        if (dataBinding != null)
>        {         
>           if (getLocalContentType() != null)
>           {
>              ValueExpression valueExpression = getValueExpression("contentType");
>              if (valueExpression != null) 
>              {
>                 valueExpression.setValue(context.getELContext(), getLocalContentType());
>              }
>           }
>           if (getLocalFileName() != null)
>           {
>              ValueExpression valueExpression = getValueExpression("fileName");
>              if (valueExpression != null)
>              {
>                 valueExpression.setValue(context.getELContext(), getLocalFileName());
>              }
>           }
>           if (getLocalFileSize() != null)
>           {
>              ValueExpression valueExpression = getValueExpression("fileSize");
>              if (valueExpression != null)
>              {
>                 valueExpression.setValue(context.getELContext(), getLocalFileSize());
>              }
>           }
>            
>           Class clazz = dataBinding.getType(context.getELContext());
>           if (clazz.isAssignableFrom(InputStream.class))
>           {
>              dataBinding.setValue(context.getELContext(), getLocalInputStream());
>           }
>           else if (clazz.isAssignableFrom(byte[].class))
>           {
>              byte[] bytes = null;
>              if (getLocalInputStream() != null)
>              {
>                 ByteArrayOutputStream bos = new ByteArrayOutputStream();
>                 try
>                 {                  
>                    byte[] buffer = new byte[512];
>                    int read = getLocalInputStream().read(buffer);
>                    while (read != -1)
>                    {
>                       bos.write(buffer, 0, read);
>                       read = getLocalInputStream().read(buffer);
>                    }
>                    bytes = bos.toByteArray();              
>                 }
>                 catch (IOException e)
>                 {
>                    throw new RuntimeException(e);
>                 }
>              }
>              dataBinding.setValue(context.getELContext(), bytes);
>           }           
>        }    
>     }
> {code}
> and/or what about a fileupload event, when upload is finish?
> I really need setFileName(), setFileSize() and setContentType() to be called first - before setData() !

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