Uploading a file from jsp page on weblogic portal 9.2 into VCR content node

I am working on Content Management in Weblogic Portal 9.2 using the com.bea.content API. I have succedded to the extent that I have created "Node" both Hierarchy and Content Node in the Virtual Content Repository using the CM API from a JSP.
Now I have to upload a file from this JSP into VCR Content Node. I am facing some problems. I am not able to figure out which class to use for this purpose from CM API. Please help in this regard.

You need to ensure you're using an ObjectClass with a PropertyDefiition of type Property.BINARY. Then, construct a BinaryValue with your InputStream. Use that to construct the Value and Property for the Node you're creating or updating.

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