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https://issues.apache.org/jira/browse/IO-753?focusedWorklogId=666969&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-666969
]
ASF GitHub Bot logged work on IO-753:
-------------------------------------
Author: ASF GitHub Bot
Created on: 19/Oct/21 13:03
Start Date: 19/Oct/21 13:03
Worklog Time Spent: 10m
Work Description: garydgregory commented on a change in pull request #281:
URL: https://github.com/apache/commons-io/pull/281#discussion_r731842874
##########
File path: src/test/java/org/apache/commons/io/IOUtilsCopyTest.java
##########
@@ -80,6 +80,22 @@ public void testCopy_inputStreamToOutputStream() throws
Exception {
assertEquals(inData.length,count);
}
+ @SuppressWarnings("resource") // 'in' is deliberately not closed
+ @Test
+ public void testCopy_byteArrayOutputStreamToInputStream() throws Exception
{
+ final java.io.ByteArrayOutputStream out = new
java.io.ByteArrayOutputStream();
Review comment:
Gotcha, please see the other comments.
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Issue Time Tracking
-------------------
Worklog Id: (was: 666969)
Remaining Estimate: 0h
Time Spent: 10m
> Provide a IOUtils.copy(OutputStream, InputStream)
> -------------------------------------------------
>
> Key: IO-753
> URL: https://issues.apache.org/jira/browse/IO-753
> Project: Commons IO
> Issue Type: New Feature
> Components: Utilities
> Affects Versions: 2.11.0
> Reporter: Sebastian Dietrich
> Priority: Minor
> Time Spent: 10m
> Remaining Estimate: 0h
>
> We already have several copy(InputStream, OutputStream) methods, but often
> the other way round is necessary - i.e. providing an InputStream on data
> provided by an OutputStream.
> This is e.g. the case when one is using a serialization library (for example,
> serializing to JSON) and a transport layer (say, Tomcat) which takes an
> InputStream. So you need to pipe the OutputStream from JSON over an HTTP
> connection which wants to read from an InputStream.
> My particular use-case is that I want to provide an Excel file (generated via
> POI) at my web-application. POI can write a workbook to an OutputStream, but
> I need to provide that Excel as an InputStream to my Web-Framework (Vaadin),
> so users can download it.
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