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https://issues.apache.org/jira/browse/IO-218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12753454#action_12753454
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Denis Zhdanov commented on IO-218:
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Haruhiko,
Ok, I see now your question. I'll check your code if I have free time (not sure
when that can be done however).
About the 'surround replacements' - no, my class doesn't support that because
it's not possible to determine if such a replacement occurs without
variable-sized buffering that, in turn, doesn't correlate with streaming
processing.
About the exception - you probably found a bug that evaded from me. Can you
send me your input file (_"test.html"_ from your example)?
Regards, Denis
> Introduce new filter input stream with replacement facilities
> -------------------------------------------------------------
>
> Key: IO-218
> URL: https://issues.apache.org/jira/browse/IO-218
> Project: Commons IO
> Issue Type: Improvement
> Components: Filters
> Affects Versions: 1.4
> Environment: all environments
> Reporter: Denis Zhdanov
> Fix For: 1.4, 2.0
>
> Attachments: ReplaceFilterInputStream.java,
> ReplaceFilterInputStreamTest.java
>
> Original Estimate: 120h
> Remaining Estimate: 120h
>
> It seems convenient to have a FilterInputStream that allows to apply
> predefined repalcement rules against the read data.
> For example we may want to configure the following replacements:
> {noformat}
> {1, } -> {7, 8}
> {1} -> {9}
> {3, 2} -> {}
> {noformat}
> and apply them to the input like
> {noformat}
> {4, 3, 2, 1, 2, 1, 3}
> {noformat}
> in order to get a result like
> {noformat}
> {4, 7, 8, 9, 3}
> {noformat}
> I created the class that allows to do that and attached it to this ticket.
> Unit test class at junit4 format is attached as well.
> So, the task is to review the provided classes, consider if it's worth to add
> them to commons-io distribution and perform the inclusion in the case of
> possible result.
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