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https://issues.apache.org/jira/browse/IO-137?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Niall Pemberton updated IO-137:
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Fix Version/s: (was: AFTER-1.4)
(was: 1.3.2)
Affects Version/s: (was: 1.4)
(was: AFTER-1.4)
> Added method for getting InputStream from ByteArrayOutputStream & IOUtils
> avoiding unnecessary array allocation and copy
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: IO-137
> URL: https://issues.apache.org/jira/browse/IO-137
> Project: Commons IO
> Issue Type: New Feature
> Components: Streams/Writers, Utilities
> Affects Versions: 1.3.2
> Environment: Any OS with appropriate JVM
> Reporter: Nikunj Trivedi
> Fix For: 1.4
>
> Attachments: baos_toIstream.patch
>
>
> Patch inclues following two methods and test cases for both.
> 1) New Method: ByteArrayOutputStream.toInputStream
> ByteArrayOutputStream exposes its byte buffers by toByteArray(), which
> creates a fresh buffer and copy existing data to it.
> A new method toInputStream() available in patch returns the current contents
> of baos, as an InputStream, avoiding unnecessary allocation and copying.
> 2) New Method: IOUtils.toFullyBufferedInputStream
> There are situations where the InputStream source is available and it has to
> be passed to different modules for processing.
> It is needed to fetch the full contents of the InputStream in internal
> buffer(IOUtils.toByteArray() ), convert this buffer to ByteArrayInputStream
> and use that stream instead. But this is wasteful since toByteArray()
> requires one fresh allocation and copy operation.
> New method copies InputStream to ByteArrayOutputStream and returns
> baos.toInputStream(), avoiding unnecessary memory allocation and copy.
> Testcases are available in respective classes.
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