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https://issues.apache.org/jira/browse/IO-651?focusedWorklogId=555277&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-555277
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ASF GitHub Bot logged work on IO-651:
-------------------------------------
Author: ASF GitHub Bot
Created on: 20/Feb/21 22:21
Start Date: 20/Feb/21 22:21
Worklog Time Spent: 10m
Work Description: garydgregory commented on a change in pull request #206:
URL: https://github.com/apache/commons-io/pull/206#discussion_r579716893
##########
File path:
src/main/java/org/apache/commons/io/output/DeferredFileOutputStream.java
##########
@@ -272,4 +274,31 @@ public void writeTo(final OutputStream outputStream)
throws IOException {
}
}
}
+
+ /**
+ * Gets the current contents of this byte stream as an {@link InputStream}.
+ * If the data for this output stream has been retained in memory, the
+ * returned stream is backed by buffers of {@code this} stream,
+ * avoiding memory allocation and copy, thus saving space and time.<br>
+ * Otherwise, the returned stream will be one that is created from the data
+ * that has been committed to disk.
+ *
+ * @return the current contents of this output stream.
+ * @throws IOException if this stream is not yet closed or an error occurs.
+ * @see org.apache.commons.io.output.ByteArrayOutputStream#toInputStream()
Review comment:
Ping. FYI, you should run the _default_ Maven build: 'mvn'.
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Issue Time Tracking
-------------------
Worklog Id: (was: 555277)
Time Spent: 2h 10m (was: 2h)
> Provide method to retrieve data from DeferredFileOutputStream as InputStream
> ----------------------------------------------------------------------------
>
> Key: IO-651
> URL: https://issues.apache.org/jira/browse/IO-651
> Project: Commons IO
> Issue Type: Improvement
> Components: Streams/Writers
> Affects Versions: 2.6
> Reporter: John Mark
> Priority: Major
> Labels: easyfix, performance, pull-request-available
> Time Spent: 2h 10m
> Remaining Estimate: 0h
>
> It would be very helpful to have to {{toInputStream()}} method on the
> {{DeferredFileOutputStream}} class. Besides for convenience, it would allow
> for improved efficiency since in the case of in-memory data the byte buffer
> would not need to be copied (as opposed to the current {{getData()}} method).
> The implementation is pretty simple and can be something like the following
> (based on the current {{writeTo(OutputStream)}} method):
> {code:java}
> public InputStream toInputStream() throws IOException {
> if (!closed) {
> throw new IOException("Stream not closed");
> }
> if (isInMemory()) {
> return memoryOutputStream.toInputStream();
> } else {
> return Files.newInputStream(outputFile.toPath());
> }
> }
> {code}
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