Don't use MiscUtil.readFileAsString in integration tests

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This mainly applies for integrations that uses SFTP on inbound endpoints. It 
could apply to other integrations as well.

Using MiscUtil.readFileAsString requires two unnecessary conversions that 
involves encoding (file -> convert -> String -> convert -> file). If the 
content of the file is read into a bytearray instead there is no need for any 
conversion that takes encoding into account. 

Currently there is a bug in mule sftp connector that has to be worked around 
due to the encoding dependent conversion:

http://www.mulesoft.org/jira/browse/MULE-6055

So use:

byte [] input = IOUtils.toByteArray(new FileInputStream(inputFile));

instead of

String input = MiscUtil.readFileAsString(inputFile);

Where IOUtils is from commons-io (org.apache.commons.io.IOUtils)

I think that both methods readFileAsString can be dropped since they are 
available in IOUtils.

Original issue reported on code.google.com by par.wena...@gmail.com on 11 Sep 2012 at 1:55

• Blocking: #81

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Original comment by hakan.dahl@gmail.com on 12 Jun 2013 at 8:28

• Now blocking: #81

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Related to issue 297 and issue 341.

Original comment by hakan.dahl@gmail.com on 12 Jun 2013 at 8:29