How to save changes back into binary text file

I have a repository with a single binary field that contains an HTML file
I have a pageflow with a form where users can edit content, including the contents of the HTML file.
Can I just treat that like any other property:
If the name of my binary field containing an HTML file is â€œfileâ€
Can I just treat it like any other field in the repository and do :
<pre>
try{
properties = node.getProperties();
properties[0] = new Property("title",new Value(form.title));
properties[1] = new Property("description",new Value(form.description));
properties[2] = new Property("file",new Value(form.contentText));
properties[3] = new Property("author",new Value(form.author));
node.setProperties(properties);
String title = form.title;
nodeId = node.getId();
title = node.getProperty("title").getValue().toString();
} catch(Exception e){
e.printStackTrace();
error = "error1";
RepositoryManager manager = null;
try{
manager = RepositoryManagerFactory.connect();
NodeOps nodeOps = manager.getNodeOps();
nodeOps.updateProperties(nodeId, properties);
} catch(Exception e){
error += "error2";
e.printStackTrace();
</pre>
Thanks much.

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