Java - String to StringReader

Question

I have 3rd party library function which only takes Reader as parameter. And I have String that I need to pass into function. How do I do that ?

String s = "Some String";
StringReader sReader = new StringReader(s);

// 3rd Party Function Definition is public File saveResult(Reader source);

Can I do as File aFile = saveResult(sReader); ? Or Should I create buffer and call read() first ?

I tried both way, and I am keep getting null pointer exception.

Can you please provide details on the exception you receive? — Louis Wasserman
– Louis Wasserman, Commented Feb 21, 2012 at 0:45

1218985 · Accepted Answer · 2012-02-21 11:30:07Z

6

Hope this should be enough to serve your purpose:

String string = "Some String";
StringReader stringReader = new StringReader(string);
File fileName = saveResult(stringReader); // calling Third party library method

answered Feb 21, 2012 at 11:30

1218985

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